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Joshua Bell 2012-02-08 22:13:44 -05:00
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//
// Applesoft BASIC in Javascript
// Bell - play an audio file for the CHR$(7) "BEL" beep
//
// Copyright (C) 2009-2011 Joshua Bell
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
var Bell;
if (typeof Bell !== 'function') {
Bell = function(base) {
var tag;
// Prefer HTML5 audio
tag = document.createElement('audio');
if (typeof tag.canPlayType === 'function') {
tag.setAttribute('preload', 'true');
if (tag.canPlayType('audio/mp3')) {
tag.setAttribute('src', base + 'bell.mp3');
} else if (tag.canPlayType('audio/ogg')) {
tag.setAttribute('src', base + 'bell.ogg');
} else if (tag.canPlayType('audio/wav')) {
tag.setAttribute('src', base + 'bell.wav');
}
this.play = function() { tag.play(); };
this.stop = function() { tag.pause(); tag.currentTime = 0; };
return;
}
// Fallback for IE<9
tag = document.createElement('bgsound');
if ('loop' in tag) {
tag.src = base + 'bell.wav';
tag.loop = 1;
this.play = function() { document.body.appendChild(tag); };
this.stop = function() { document.body.removeChild(tag); };
return;
}
this.play = function() { };
this.stop = function() { };
};
}

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.cm-s-default span.cm-basic-statement {
color: #00007f;
}
.cm-s-default span.cm-basic-unsupported {
color: #00007f;
background-color: #ff7f7f
}
.cm-s-default span.cm-basic-function {
color: teal;
}
.cm-s-default span.cm-basic-identifier {
color: #7f7f00;
}
.cm-s-default span.cm-basic-string {
color: #007f00;
}
.cm-s-default span.cm-basic-number {
color: #0000ff;
}
.cm-s-default span.cm-basic-operator {
color: #7f007f;
}
.cm-s-default span.cm-basic-separator {
color: #7f7f7f;
}
.cm-s-default span.cm-basic-linenumber {
color: orange;
}
.cm-s-default span.cm-basic-comment {
color: #cc00ff;
font-style: italic;
}
.cm-s-default span.cm-basic-error {
color: black;
background-color: red;
}

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// Really just a lexer
CodeMirror.defineMode('basic', function(config, parserConfig) {
var STATEMENT = 'basic-statement',
OPERATOR = 'basic-operator',
FUNCTION = 'basic-function',
UNSUPPORTED = 'basic-unsupported';
var reserved = {
"ABS": FUNCTION,
"AND": OPERATOR,
"ASC": FUNCTION,
"ATN": FUNCTION,
"AT": STATEMENT,
"CALL": STATEMENT,
"CHR$": FUNCTION,
"CLEAR": STATEMENT,
"COLOR=": STATEMENT,
"CONT": UNSUPPORTED,
"COS": FUNCTION,
"DATA": STATEMENT,
"DEF": STATEMENT,
"DEL": UNSUPPORTED,
"DIM": STATEMENT,
"DRAW": UNSUPPORTED,
"END": STATEMENT,
"EXP": FUNCTION,
"FLASH": STATEMENT,
"FN": STATEMENT,
"FOR": STATEMENT,
"FRE": FUNCTION,
"GET": STATEMENT,
"GOSUB": STATEMENT,
"GOTO": STATEMENT,
"GR": STATEMENT,
"HCOLOR=": STATEMENT,
"HGR2": STATEMENT,
"HGR": STATEMENT,
"HIMEM:": UNSUPPORTED,
"HLIN": STATEMENT,
"HOME": STATEMENT,
"HPLOT": STATEMENT,
"HTAB": STATEMENT,
"IF": STATEMENT,
"IN#": UNSUPPORTED,
"INPUT": STATEMENT,
"INT": FUNCTION,
"INVERSE": STATEMENT,
"LEFT$": FUNCTION,
"LEN": FUNCTION,
"LET": STATEMENT,
"LIST": UNSUPPORTED,
"LOAD": UNSUPPORTED,
"LOG": FUNCTION,
"LOMEM:": UNSUPPORTED,
"MID$": FUNCTION,
"NEW": UNSUPPORTED,
"NEXT": STATEMENT,
"NORMAL": STATEMENT,
"NOTRACE": STATEMENT,
"NOT": OPERATOR,
"ONERR": STATEMENT,
"ON": STATEMENT,
"OR": OPERATOR,
"PDL": FUNCTION,
"PEEK": FUNCTION,
"PLOT": STATEMENT,
"POKE": STATEMENT,
"POP": STATEMENT,
"POS": FUNCTION,
"PRINT": STATEMENT,
"PR#": STATEMENT,
"READ": STATEMENT,
"RECALL": UNSUPPORTED,
"REM": STATEMENT,
"RESTORE": STATEMENT,
"RESUME": STATEMENT,
"RETURN": STATEMENT,
"RIGHT$": FUNCTION,
"RND": FUNCTION,
"ROT=": UNSUPPORTED,
"RUN": UNSUPPORTED,
"SAVE": UNSUPPORTED,
"SCALE=": UNSUPPORTED,
"SCRN": FUNCTION,
"SGN": FUNCTION,
"SHLOAD": UNSUPPORTED,
"SIN": FUNCTION,
"SPC": FUNCTION,
"SPEED=": STATEMENT,
"SQR": FUNCTION,
"STEP": STATEMENT,
"STOP": STATEMENT,
"STORE": UNSUPPORTED,
"STR$": FUNCTION,
"TAB": FUNCTION,
"TAN": FUNCTION,
"TEXT": STATEMENT,
"THEN": STATEMENT,
"TO": STATEMENT,
"TRACE": STATEMENT,
"USR": FUNCTION,
"VAL": FUNCTION,
"VLIN": STATEMENT,
"VTAB": STATEMENT,
"WAIT": UNSUPPORTED,
"XDRAW": UNSUPPORTED,
"&": UNSUPPORTED,
"?": STATEMENT
};
var reservedKeys = (function() {
// Need longer stems first: ATN/AT, ONERR/ON, NOTRACE/NOT
var keys = [], name;
for (name in reserved) {
if (Object.prototype.hasOwnProperty.call(reserved, name)) {
keys.push(name);
}
}
keys.sort();
keys.reverse();
return keys;
} ());
// states are 'normal' and 'comment'
return {
startState: function() {
return {
state: 'normal'
};
},
token: function(stream, state) {
var name, i;
if (state.state === 'normal') {
if (stream.eatSpace()) {
return null;
}
else if (/[0-9.]/.test(stream.peek())) {
stream.eatWhile(/[0-9]/);
if (stream.peek() === '.') {
stream.next();
stream.eatWhile(/[0-9]/);
}
if (/[eE]/.test(stream.peek())) {
stream.next();
stream.eatWhile(/[ \u00a0]/);
if (stream.peek() === '-' || stream.peek() === '+') {
stream.next();
}
stream.eatWhile(/[ \u00a0]/);
stream.eatWhile(/[0-9]/);
}
return 'basic-number';
}
else if (stream.peek() === '"') {
stream.next();
while (!stream.eol()) {
if (stream.next() === '"') {
break;
}
}
return 'basic-string';
}
else if (/[;=<>+\-*\/\^(),]/.test(stream.peek())) {
stream.next();
return 'basic-operator';
}
else if (stream.peek() === ':') {
stream.next();
return 'basic-separator';
}
else if (stream.match('REM', true, true)) {
stream.eatWhile(/[ \u00a0]/);
if (!stream.eol()) {
state.state = 'comment';
}
return 'basic-statement';
}
// TODO: Applesoft-style space ignoring within reserved words
for (i = 0; i < reservedKeys.length; i += 1) {
name = reservedKeys[i];
if (stream.match(name, true, true)) {
return reserved[name];
}
}
if (/[A-Za-z]/.test(stream.peek())) {
stream.next();
stream.eatWhile(/[A-Za-z0-9]/);
if (stream.peek() === '$' || stream.peek() === '%') {
stream.next();
}
return 'basic-identifier';
}
stream.next();
return 'basic-error';
}
else if (state.state === 'comment') {
while (!stream.eol()) {
stream.next();
}
state.state = 'normal';
return 'basic-comment';
}
else {
throw 'WTF!?';
}
}
};
});
CodeMirror.defineMIME("text/x-basic", "basic");
CodeMirror.defineMIME("text/x-applesoft", "basic");

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//
// Applesoft BASIC in Javascript
// DOS Emulation
// Copyright (C) 2009-2011 Joshua Bell
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Usage:
// var dos = new DOS( tty ) // hooks tty's writeChar/readChar/readLine
// dos.reset() // Close all open buffers
/*global basic*/
function DOS(tty) {
/*jslint bitwise: false, browser: true*/
var DOSErrors = {
LANGUAGE_NOT_AVAILABLE: [1, "Language not available"],
RANGE_ERROR: [2, 'Range error'],
WRITE_PROTECTED: [4, 'Write protected'],
END_OF_DATA: [5, 'End of data'],
FILE_NOT_FOUND: [6, 'File not found'],
VOLUME_MISMATCH: [7, 'Volume mismatch'],
IO_ERROR: [8, 'I/O error'],
DISK_FULL: [9, 'Disk full'],
FILE_LOCKED: [10, 'File locked'],
INVALID_OPTION: [11, 'Invalid option'],
NO_BUFFERS_AVAILABLE: [12, 'No buffers available'],
FILE_TYPE_MISMATCH: [13, 'File type mismatch'],
PROGRAM_TOO_LARGE: [14, 'Program too large'],
NOT_DIRECT_COMMAND: [15, 'Not direct command']
},
STORAGE_PREFIX = 'vfs/',
// For MON/NOMON
MON_I = 1,
MON_C = 2,
MON_O = 4,
// Original versions of hooked I/O routines
tty_readLine,
tty_readChar,
tty_writeChar,
// character output state
commandBuffer = "",
commandMode = false,
// I/O buffers
buffers = {},
activebuffer = null,
mode = "",
// other state
monico = 0;
function doserror(msg) {
throw new basic.RuntimeError(msg[1], msg[0]);
}
// Internal - crack arguments e.g. ",S6,D1"
function parseArgs(str, opts) {
opts = opts || '';
// Set these to zero so they're always defined when passed into command handlers
var args = {
V: 0, // Volume
D: 0, // Drive
S: 0, // Slot
L: 0, // Length
R: 0, // Record/Relative
B: 0, // Byte
A: 0, // Address
C: undefined, // Echo Commands
I: undefined, // Echo Input
O: undefined // Echo Output
};
while (str.match(/^,?\s*([VDSLRBACIO])\s*([0-9]+|\$[0-9A-Fa-f]+)?\s*([\x20-\x7E]*)/)) {
if (opts.indexOf(RegExp.$1) === -1) {
doserror(DOSErrors.INVALID_OPTION);
}
args[RegExp.$1] = Number(RegExp.$2);
str = RegExp.$3;
}
if (str.length > 0) {
doserror(DOSErrors.INVALID_OPTION);
}
return args;
}
//----------------------------------------------------------------------
// Browser-side VFS
//----------------------------------------------------------------------
function vfs_set(key, value) {
return window.localStorage.setItem(STORAGE_PREFIX + key, encodeURIComponent(value));
}
function vfs_get(key) {
var item = window.localStorage.getItem(STORAGE_PREFIX + key);
return item !== null ? decodeURIComponent(item) : null;
}
function vfs_remove(key) {
return window.localStorage.removeItem(STORAGE_PREFIX + key);
}
//----------------------------------------------------------------------
// Implementation
//----------------------------------------------------------------------
this.reset = function _reset() {
buffers = {};
activebuffer = null;
mode = "";
};
function unlink(filename) {
var item = vfs_get(filename);
if (item === null) {
doserror(DOSErrors.FILE_NOT_FOUND);
}
vfs_remove(filename);
}
function rename(oldname, newname) {
var item = vfs_get(oldname);
if (item === null) {
doserror(DOSErrors.FILE_NOT_FOUND);
}
vfs_remove(oldname);
vfs_set(newname, item);
}
function open(filename, recordlength) {
if (recordlength === 0) {
// Sequential access
recordlength = 1;
}
// Peek in the VFS cache first
var file = vfs_get(filename),
req, url, async;
if (file === null) {
// Not cached - do a synchronous XmlHttpRequest for the file here
req = new XMLHttpRequest();
try {
url = "vfs/" + encodeURIComponent(filename.replace(/\./g, '_')) + ".txt";
async = false;
req.open("GET", url, async);
req.send(null);
if (req.status === 200 || req.status === 0) { // 0 for file:// protocol
file = req.responseText.replace(/\r\n/g, "\r");
vfs_set(filename, file);
}
} catch (e) {
// File doesn't exist - APPEND/READ will fail
throw e;
}
}
// Create a buffer for the file
buffers[filename] = {
file: file,
recordlength: recordlength,
recordnum: 0,
filepointer: 0
};
}
function append(filename, recordlength) {
// Normal open logic
open(filename, recordlength);
if (!buffers.hasOwnProperty(filename)) {
doserror(DOSErrors.FILE_NOT_FOUND);
}
var buf = buffers[filename];
// Then seek to the end of the file
buf.filepointer = buf.file.length;
buf.recordnum = Math.floor(buf.filepointer / buf.recordlength);
}
function close(filename) {
var buf, fn;
// If not specified, close all buffers
if (!filename) {
for (fn in buffers) {
if (buffers.hasOwnProperty(fn)) {
close(fn);
}
}
return;
}
buf = buffers[filename];
if (buf) {
// flush changes to "disk"
vfs_set(filename, buf.file);
delete buffers[filename];
if (buf === activebuffer) {
activebuffer = null;
mode = "";
}
}
}
function read(filename, recordnum, bytenum) {
var buf = buffers[filename];
if (!buf) {
// Open file if no such named buffer, but don't create it
open(filename, 0);
buf = buffers[filename];
}
if (buf.file === null) {
doserror(DOSErrors.FILE_NOT_FOUND);
}
// Set the file position
buf.recordnum = recordnum;
buf.filepointer = buf.recordlength * recordnum + bytenum;
// Set the active buffer into read mode
activebuffer = buf;
mode = "r";
}
function write(filename, recordnum, bytenum) {
var buf = buffers[filename];
if (!buf) {
// Must open the file before writing
doserror(DOSErrors.FILE_NOT_FOUND);
}
if (buf.file === null) {
// If we still don't have it, create in VFS if necessary
vfs_set(filename, '');
buf.file = '';
}
// Set up the file position
buf.recordnum = recordnum;
if (buf.recordlength > 1) {
buf.filepointer = buf.recordlength * recordnum;
}
buf.filepointer += bytenum;
// Set the active buffer into write mode
activebuffer = buf;
mode = "w";
}
function position(filename, records) {
var buf = buffers[filename];
if (!buf) {
// Open file if no such named buffer, but don't create it
open(filename, 0, false);
buf = buffers[filename];
}
// Set up the file position
buf.recordnum += records;
buf.filepointer += buf.recordlength * records;
}
//----------------------------------------------------------------------
// Command Dispatch
//----------------------------------------------------------------------
function executeCommand(command) {
// Delegate to various commands
// http://www.xs4all.nl/~fjkraan/comp/apple2faq/app2doscmdfaq.html
// http://www.textfiles.com/apple/ANATOMY/
var filename, filename2, args, slot;
if (monico & MON_C && tty) {
tty.writeString(command + "\r");
}
if (command.match(/^MON([\x20-\x7E]*)/)) {
// MON[,C][,I][,O] Traces DOS 3.3 commands ('Commands', 'Input' and 'Output')
args = parseArgs(RegExp.$1, 'ICO');
if (args.I !== undefined) {
monico |= MON_I;
}
if (args.C !== undefined) {
monico |= MON_C;
}
if (args.O !== undefined) {
monico |= MON_O;
}
} else if (command.match(/^NOMON([\x20-\x7E]*)/)) {
// NOMON[,C][,I][,O] Cancels tracing of DOS 3.3 commands ('Commands', 'Input' and 'Output')
args = parseArgs(RegExp.$1, 'ICO');
if (args.I !== undefined) {
monico &= ~MON_I;
}
if (args.C !== undefined) {
monico &= ~MON_C;
}
if (args.O !== undefined) {
monico &= ~MON_O;
}
} else if (command.match(/^OPEN\s*([\x20-\x2B\x2D-\x7E]+)(,[\x20-\x7E]*)?/)) {
// OPEN filename[,Llen] Opens a text file.
filename = RegExp.$1;
args = parseArgs(RegExp.$2, 'L');
open(filename, args.L);
} else if (command.match(/^APPEND\s*([\x20-\x2B\x2D-\x7E]+)(,[\x20-\x7E]*)?/)) {
// APPEND filename Appends to a text file.
filename = RegExp.$1;
args = parseArgs(RegExp.$2);
append(filename, args.L);
} else if (command.match(/^CLOSE\s*([\x20-\x2B\x2D-\x7E]+)?(,[\x20-\x7E]*)?/)) {
// CLOSE [filename] Closes specified (or all) open text files.
filename = RegExp.$1;
close(filename);
} else if (command.match(/^POSITION\s*([\x20-\x2B\x2D-\x7E]+)(,[\x20-\x7E]*)?/)) {
// POSITION filename[,Rnum] Advances position in text file.
filename = RegExp.$1;
args = parseArgs(RegExp.$2, 'R');
position(filename, args.R);
} else if (command.match(/^READ\s*([\x20-\x2B\x2D-\x7E]+)(,[\x20-\x7E]*)?/)) {
// READ filename[,Rnum][,Bbyte] Reads from a text file.
filename = RegExp.$1;
args = parseArgs(RegExp.$2, 'RB');
read(filename, args.R, args.B);
} else if (command.match(/^WRITE\s*([\x20-\x2B\x2D-\x7E]+)(,[\x20-\x7E]*)?/)) {
// WRITE filename[,Rnum][,Bbyte] Writes to a text file.
filename = RegExp.$1;
args = parseArgs(RegExp.$2, 'RB');
write(filename, args.R, args.B);
} else if (command.match(/^DELETE\s*([\x20-\x2B\x2D-\x7E]+)(,[\x20-\x7E]*)?/)) {
// DELETE filename Delete a file
filename = RegExp.$1;
args = parseArgs(RegExp.$2);
unlink(filename);
} else if (command.match(/^RENAME\s*([\x20-\x2B\x2D-\x7E]+),\s*([\x20-\x2B\x2D-\x7E]+)(,[\x20-\x7E]*)?/)) {
// RENAME filename,filename Rename a file
filename = RegExp.$1;
filename2 = RegExp.$2;
args = parseArgs(RegExp.$3);
rename(filename, filename2);
} else if (command.match(/^PR#\s*([\x20-\x2B\x2D-\x7E]+)(,[\x20-\x7E]*)?/)) {
// PR# slot Direct output to slot
slot = Number(RegExp.$1);
args = parseArgs(RegExp.$2);
if (slot === 0) {
if (tty.setFirmwareActive) { tty.setFirmwareActive(false); }
} else if (slot === 3) {
if (tty.setFirmwareActive) { tty.setFirmwareActive(true); }
} else {
doserror(DOSErrors.RANGE_ERROR);
}
} else if (command.match(/^$/)) {
// Null command - terminates a READ/WRITE, but doesn't CLOSE
// (leaves record length intact on open buffer)
activebuffer = null;
mode = "";
} else {
doserror(DOSErrors.INVALID_OPTION);
}
}
//----------------------------------------------------------------------
// Install TTY Hooks
//----------------------------------------------------------------------
tty_readLine = tty.readLine;
tty_readChar = tty.readChar;
tty_writeChar = tty.writeChar;
tty.readLine = function _dos_readLine(callback, prompt) {
var string = "", c, data, len, fp, buffer;
if (mode === "r") {
// Cache for performance
data = activebuffer.file;
len = data.length;
fp = activebuffer.filepointer;
if (fp >= len) {
doserror(DOSErrors.END_OF_DATA);
}
buffer = [];
while (fp < len) {
// Sequential Access
c = data[fp];
fp += 1;
if (c === "\r" || c === "\n" || c === "\x00") {
break;
} else {
buffer.push(c);
}
}
activebuffer.filepointer = fp;
string = buffer.join("");
if (monico & MON_I) {
tty.writeString(prompt + string + "\r");
}
// Non-blocking return
setTimeout(function() { callback(string); }, 0);
} else {
tty_readLine(callback, prompt);
}
};
tty.readChar = function _dos_readChar(callback) {
var character = "";
if (mode === "r") {
if (activebuffer.filepointer >= activebuffer.file.length) {
doserror(DOSErrors.END_OF_DATA);
}
character = activebuffer.file[activebuffer.filepointer];
activebuffer.filepointer += 1;
if (monico & MON_I && tty) {
tty_writeChar(character);
}
// Non-blocking return
setTimeout(function() { callback(character); }, 0);
} else {
tty_readChar(callback);
}
};
tty.writeChar = function _dos_writeChar(c) {
if (commandMode) {
if (c === "\r") {
commandMode = false;
executeCommand(commandBuffer);
commandBuffer = "";
} else {
commandBuffer += c;
}
return;
} else if (c === "\x04") {
commandBuffer = "";
commandMode = true;
return;
}
if (mode === "w") {
var buf, d;
if (monico & MON_O) {
tty_writeChar(c);
}
buf = activebuffer;
// Extend file to necessary length
while (buf.filepointer > buf.file.length) {
buf.file += "\x00";
}
// Append or insert character
if (buf.filepointer === buf.file.length) {
buf.file += c;
} else {
d = buf.file.substring(0, buf.filepointer);
d += c;
d += buf.file.substring(buf.filepointer + 1);
buf.file = d;
}
buf.filepointer += 1;
} else {
tty_writeChar(c);
}
}; // writeChar
}

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//
// Atom to HTML - fetch a feed, inject it as dl/dt/dd
//
// Copyright (C) 2009-2010 Joshua Bell
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
function atomToHtml(uri, element) {
var READYSTATE_UNINITIALIZED = 0;
var READYSTATE_LOADING = 1;
var READYSTATE_LOADED = 2;
var READYSTATE_INTERACTIVE = 3;
var READYSTATE_COMPLETE = 4;
var xhr = new XMLHttpRequest();
var async = true;
xhr.open("GET", uri, async);
xhr.onreadystatechange = function() {
if (xhr.readyState === READYSTATE_COMPLETE) {
if ((xhr.status === 200 || xhr.status === 0) && xhr.responseXML) {
var doc = xhr.responseXML;
var entries = doc.getElementsByTagName('entry');
var html = [];
html.push('<dl>');
for (var i = 0; i < entries.length; i += 1) {
var entry = entries[i];
try {
var entryHTML = [];
entryHTML.push('<dt>', entry.getElementsByTagName('title')[0].childNodes[0].nodeValue);
entryHTML.push('<dd>', entry.getElementsByTagName('content')[0].childNodes[0].nodeValue);
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<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom">
<id>http://www.calormen.com/Applesoft/</id>
<title>Applesoft BASIC in Javascript - Change Log</title>
<updated>2011-12-06T23:00:00Z</updated>
<author>
<name>Joshua Bell</name>
<email>inexorabletash@hotmail.com</email>
<uri>http://www.calormen.com/</uri>
</author>
<link rel="self" href="http://www.calormen.com/Applesoft/feed.xml"/>
<entry>
<title>2011-12-06</title>
<id>http://www.calormen.com/Applesoft/20111206</id>
<updated>2011-12-06T23:00:00Z</updated>
<content type="html">
&lt;p&gt;
Added &lt;code&gt;PEEK&lt;/code&gt; and &lt;code&gt;POKE&lt;/code&gt; shim for 230 (Hi-Res plotting page), to
enable drawing on the back buffer for animations.
</content>
</entry>
<entry>
<title>2011-04-20</title>
<id>http://www.calormen.com/Applesoft/20110420</id>
<updated>2011-04-20T21:00:00Z</updated>
<content type="html">
&lt;p&gt;
Re-added support for running under
&lt;a href="http://en.wikipedia.org/wiki/Windows_Script_Host"&gt;Windows Scripting Host&lt;/a&gt; and added
&lt;a href="http://www.mozilla.org/rhino/"&gt;Mozilla Rhino&lt;/a&gt; support too.
</content>
</entry>
<entry>
<title>2011-04-16</title>
<id>http://www.calormen.com/Applesoft/20110416</id>
<updated>2011-04-16T23:00:00Z</updated>
<content type="html">
&lt;p&gt;
Total internal revamp: Now a compiler rather than interpreter. Source errors are reported
by BASIC line number as well as source line/column.
&lt;p&gt;
Display defaults to 40 columns, emulates 80-column firmware more accurately. Character output
(&lt;code&gt;CHR$()&lt;/code&gt;, &lt;code&gt;INVERSE&lt;/code&gt;, etc) tweaked to match Apple
behavior.
&lt;p&gt;
Files written via DOS now persist in your browser via &lt;a href="http://dev.w3.org/html5/webstorage/"&gt;Web Storage&lt;/a&gt;.
&lt;p&gt;
Floating point and integer overflows are caught rather than propagating infinities and NaNs.
&lt;p&gt;
&lt;code&gt;DATA&lt;/code&gt; statements and &lt;code&gt;INPUT&lt;/code&gt; entries parse
more accurately as comma delimited, optionally-quoted strings. &lt;code&gt;RE-ENTER?&lt;/code&gt;
is shown on invalid &lt;code&gt;INPUT&lt;/code&gt; (and can be trapped via &lt;code&gt;ONERR&lt;/code&gt;)
&lt;p&gt;
Added &lt;code&gt;HGR2&lt;/code&gt; and page-flipping &lt;code&gt;POKE&lt;/code&gt; shims, plus a few &lt;code&gt;CALL&lt;/code&gt; shims
for graphics. Hires graphics are now to a 280x192 bitmap, rather than trying to be sneaky with a 140x192 bitmap.
&lt;p&gt;
Error codes can be distinguished in &lt;code&gt;ONERR&lt;/code&gt; via &lt;code&gt;PEEK(222)&lt;/code&gt;.
Out-of-memory and stack-overflow conditions reported where possible (this is
&lt;a href="http://cautionsingularityahead.blogspot.com/2011/03/stack-overflow-and-out-of-memory-in.html"&gt;
non-standard across browsers&lt;/a&gt;).
&lt;p&gt;
Tweaked samples that were dependent on language/environment quirks.
&lt;p&gt;
Updated code editor to (the much improved) &lt;a href="http://codemirror.net/"&gt;CodeMirror 2.0&lt;/a&gt;. On parse errors,
the cursor is moved to the offending line/character.
</content>
</entry>
<entry>
<title>2011-01-29</title>
<id>http://www.calormen.com/Applesoft/20110129</id>
<updated>2011-01-29T23:30:00Z</updated>
<content type="html">
&lt;p&gt;
Fixed error handling issues, e.g. DOS errors w/ &lt;code&gt;ONERR&lt;/code&gt; and syntax
errors e.g. &lt;code&gt;10 INPUT PRINT&lt;/code&gt;
&lt;/p&gt;
&lt;p&gt;
Added &lt;code&gt;HSCRN(x,y)&lt;/code&gt; extension function.
&lt;/p&gt;
&lt;p&gt;
Fix mouse-as-joystick to hit full range of 0...255.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2011-01-26</title>
<id>http://www.calormen.com/Applesoft/20110126</id>
<updated>2011-01-26T23:00:00Z</updated>
<content type="html">
&lt;p&gt;
No longer show paddles/joysticks automatically; rely on mouse-as-joystick primarily.
&lt;/p&gt;
&lt;p&gt;
Use &lt;a href="http://flashcanvas.net/"&gt;FlashCanvas&lt;/a&gt; for older IE versions, instead of
&lt;a href="http://excanvas.sourceforge.net/"&gt;excanvas&lt;/a&gt;, and switch to plotting hires
pixels/lines directly rather than relying on canvas scaling and line drawing.
&lt;/p&gt;
&lt;p&gt;
Added Gaussian Distribution 2D plot sample, by John Russ
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2011-01-25</title>
<id>http://www.calormen.com/Applesoft/20110125</id>
<updated>2011-01-25T21:00:00Z</updated>
<content type="html">
&lt;p&gt;
Added compatibility shims for &lt;code&gt;PEEK(78)&lt;/code&gt; and &lt;code&gt;PEEK(79)&lt;/code&gt;
for seeding the random number generator. On a real Apple these are incremented during the input
polling loop and are a good source of entropy for seeding a random number generator. In this
interpreter, they are simply generated by the JavaScript &lt;code&gt;Math.random()&lt;/code&gt; function.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2010-11-21</title>
<id>http://www.calormen.com/Applesoft/20101121</id>
<updated>2010-11-21T19:00:00Z</updated>
<content type="html">
&lt;p&gt;
Added lexical highlighting in code editor via &lt;a href="http://codemirror.net"&gt;CodeMirror&lt;/a&gt;. Note that this only highlights tokens, it does not check statement or expression syntax. It will highlight invalid tokens and unsupported statements.
&lt;p&gt;
Mousing over the screen now updates paddle position - try the lo-res painting demo for an example.
&lt;/p&gt;
&lt;p&gt;
Lots of internal code cleanup with hopefully no behavior changes.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2010-11-18</title>
<id>http://www.calormen.com/Applesoft/20101118</id>
<updated>2010-11-18T19:00:00Z</updated>
<content type="html">
&lt;p&gt;
Fix &lt;code&gt;RETURN&lt;/code&gt; and &lt;code&gt;POP&lt;/code&gt;
from inside a &lt;code&gt;FOR ... NEXT&lt;/code&gt; loop.
&lt;/p&gt;
&lt;p&gt;
Fix &lt;code&gt;TRACE&lt;/code&gt; and &lt;code&gt;NOTRACE&lt;/code&gt;
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2010-11-13</title>
<id>http://www.calormen.com/Applesoft/20101113</id>
<updated>2010-11-13T19:00:00Z</updated>
<content type="html">
&lt;p&gt;
Added &lt;code&gt;SPEED=&lt;/code&gt; shim (does nothing)
&lt;/p&gt;
&lt;p&gt;
Fixed &lt;code&gt;SPC()&lt;/code&gt; and &lt;code&gt;TAB()&lt;/code&gt;
&lt;/p&gt;
&lt;p&gt;
Work around
&lt;a href="http://code.google.com/p/chromium/issues/detail?id=58144"&gt;Chrome bug&lt;/a&gt;
to show full error alert text.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2010-08-29</title>
<id>http://www.calormen.com/Applesoft/20100829</id>
<updated>2010-08-29T11:22:00Z</updated>
<content type="html">
&lt;p&gt;
Added "Echo to Printer" option to allow copy/paste of output
&lt;/p&gt;
&lt;p&gt;
Big refactor of internals. Statement parsing and execution now separated. A library of statement functions are
used for execution. Hopefully nothing broke - all unit tests still pass.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2010-05-04</title>
<id>http://www.calormen.com/Applesoft/20100504</id>
<updated>2010-05-04T20:28:00-08:00</updated>
<content type="html">
&lt;p&gt;
When run under &lt;code&gt;cscript.exe&lt;/code&gt;, the program still blocks until the user
presses Enter when a &lt;code&gt;GET&lt;/code&gt; statement executes, but the entered
characters are returned by subsequent &lt;code&gt;GET&lt;/code&gt; statements.
&lt;/p&gt;
&lt;p&gt;
Added Hello World Sine Wave sample by Jamie Beu.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-11-01</title>
<id>http://www.calormen.com/Applesoft/20091101</id>
<updated>2009-11-01T14:22:00-08:00</updated>
<content type="html">
&lt;p&gt;
Changes are now recorded in an &lt;a href="feed.xml"&gt;Atom Feed&lt;/a&gt;.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-10-24</title>
<id>http://www.calormen.com/Applesoft/20091024</id>
<updated>2009-10-24T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Now licensed under the &lt;a href="http://www.apache.org/licenses/LICENSE-2.0"&gt;Apache 2.0 license&lt;/a&gt;
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-10-15</title>
<id>http://www.calormen.com/Applesoft/20091015</id>
<updated>2009-10-15T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Fixed bug with &lt;code&gt;POKE&lt;/code&gt; and negative addresses (introduced 2009-05-15, bleah)
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-06-10</title>
<id>http://www.calormen.com/Applesoft/20090610</id>
<updated>2009-06-10T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Added &lt;a href="http://en.wikipedia.org/wiki/Boy%27s_surface"&gt;Boy's Surface&lt;/a&gt; sample by Lukas Innig
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-05-08</title>
<id>http://www.calormen.com/Applesoft/20090508b</id>
<updated>2009-05-08T13:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Fixed running with &lt;code&gt;cscript&lt;/code&gt;
&lt;/p&gt;
&lt;p&gt;Slight performance tweaks for IE c/o explicit sizing&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-05-08</title>
<id>http://www.calormen.com/Applesoft/20090508</id>
<updated>2009-05-08T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Tracked down source of IE perf issues when drawing with paddles; when the thumb/stick moves,
IE does a relayout/repaint of any content above the paddle in the HTML flow. If I delete the
page header it's silky-smooth. Unfortunately, any text above the screen seems to make it fall
off the deep end - so no fix yet without gutting the page.
&lt;/p&gt;
&lt;p&gt;
Undid "Line breaks from &lt;code&gt;PRINT&lt;/code&gt; now clear to the right edge" - doesn't repro on Apple. &lt;em&gt;What was I thinking?&lt;/em&gt;
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-05-06</title>
<id>http://www.calormen.com/Applesoft/20090506</id>
<updated>2009-05-06T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
A bunch of performance tweaks based on IE8's JavaScript profiler. While they look good on paper,
they mean diddly-squat to perceived performance. Don't precalc default variable values, avoid DOM
changes that are no-ops, and (sigh) don't scan the whole screen looking for &lt;code&gt;FLASH&lt;/code&gt;-styled
cells - maintain a list instead so perf isn't impacted if there are none.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-05-01</title>
<id>http://www.calormen.com/Applesoft/20090501</id>
<updated>2009-05-01T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Expressions are now just-in-time compiled to JavaScript. Screen updates are the real bottleneck, though,
so this isn't a big performance boost. Performance comparison (on my 1.73GHz machine) of the lores Mandelbrot set demo:
&lt;ul&gt;
&lt;li&gt;Google Chrome (V8 JavaScript compiler): 25% faster (21s vs. 27s)&lt;/li&gt;
&lt;li&gt;Firefox 3: 14% faster (64s vs. 73s)&lt;/li&gt;
&lt;li&gt;Internet Explorer 8: &amp;lt;1% faster (249s vs. 251s)&lt;/li&gt;
&lt;/ul&gt;
So not a huge win except on faster execution engines. But this is just the first step...
&lt;/p&gt;
&lt;p&gt;
Fixed &lt;code&gt;POKE 216,x&lt;/code&gt; shim to disable &lt;code&gt;ONERR&lt;/code&gt; handler
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-04-30</title>
<id>http://www.calormen.com/Applesoft/20090430</id>
<updated>2009-04-30T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Rejiggered internal value storage/passing system to use fundamental JavaScript types instead of &lt;code&gt;{number: value}&lt;/code&gt; or
&lt;code&gt;{string: value}&lt;/code&gt;. I didn't trust JavaScript's type system when I first wrote this code.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-04-26</title>
<id>http://www.calormen.com/Applesoft/20090426</id>
<updated>2009-04-26T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Performance - made &lt;code&gt;GOTO&lt;/code&gt;/&lt;code&gt;GOSUB&lt;/code&gt; not do a linear scan to find the line (d'oh). Significant perf boost for IE.
&lt;/p&gt;
&lt;p&gt;Added Unit Tests sample. Coverage is not complete but it's getting there.&lt;/p&gt;
&lt;p&gt;
&lt;code&gt;RND()&lt;/code&gt; with negative now consistently reseeds (added custom pseudoranom number generator)
&lt;/p&gt;
&lt;p&gt;
&lt;code&gt;FOR I = 10 TO 1 : PRINT I : NEXT&lt;/code&gt; now correctly prints &lt;samp&gt;10&lt;/samp&gt; then finishes (was previously incorrectly inferring &lt;code&gt;STEP -1&lt;/code&gt;)
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-04-25</title>
<id>http://www.calormen.com/Applesoft/20090425</id>
<updated>2009-04-25T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Line breaks from &lt;code&gt;PRINT&lt;/code&gt; now clear to the right edge of the text window
&lt;/p&gt;
&lt;p&gt;
Automatically show input devices if &lt;code&gt;PDL()&lt;/code&gt; called
&lt;/p&gt;
&lt;p&gt;Added Zhodani Relay Station Placement example (run after generating a sector with Traveller Sector Generator)&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-04-24</title>
<id>http://www.calormen.com/Applesoft/20090424</id>
<updated>2009-04-24T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Fixed a bug where changing text mode (e.g. &lt;code&gt;PR#3&lt;/code&gt;) after calling &lt;code&gt;HGR&lt;/code&gt; would break split-screen mode.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-04-14</title>
<id>http://www.calormen.com/Applesoft/20090414</id>
<updated>2009-04-14T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Updated to an &lt;a href="http://explorercanvas.blogspot.com/2009/03/new-explorer-canvas-release.html"&gt;IE8-compatible&lt;/a&gt; version of &lt;a href="http://code.google.com/p/explorercanvas/"&gt;excanvas&lt;/a&gt;.
Updated &lt;a href="excanvas.patch"&gt;my excanvas patch to support scaling&lt;/a&gt;.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-04-05</title>
<id>http://www.calormen.com/Applesoft/20090405</id>
<updated>2009-04-05T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Allow &lt;code&gt;DEF FN&lt;/code&gt; to be invalid (errors occur in &lt;code&gt;FN&lt;/code&gt;, per Applesoft)
&lt;/p&gt;
&lt;p&gt;
Fixed &lt;code&gt;PR#0&lt;/code&gt; in Safari
&lt;/p&gt;
&lt;p&gt;
Added &lt;code&gt;
RENAME &lt;var&gt;old&lt;/var&gt;,&lt;var&gt;new&lt;/var&gt;
&lt;/code&gt;to DOS
&lt;/p&gt;
&lt;p&gt;
Fixed &lt;code&gt;LIST&lt;/code&gt; for assignment statements with no &lt;code&gt;LET&lt;/code&gt;
&lt;/p&gt;
&lt;p&gt;
Fixed operator spacing for &lt;code&gt;LIST&lt;/code&gt;
&lt;/p&gt;
&lt;p&gt;
Fixed parsing of empty &lt;code&gt;REM&lt;/code&gt; statements
&lt;/p&gt;
&lt;p&gt;Program would execute after a tokenization error was encountered - fixed.&lt;/p&gt;
&lt;p&gt;Added Traveller Sector Generator sample&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-03-07</title>
<id>http://www.calormen.com/Applesoft/20090307</id>
<updated>2009-03-07T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Fixed cursor blinking&lt;/p&gt;
&lt;p&gt;Added Connections, Puzzler, and Squiggle by Gregg Buntin&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-03-06</title>
<id>http://www.calormen.com/Applesoft/20090306</id>
<updated>2009-03-06T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Addressed IE performance issues: sped up Text and LoRes screen initialization, don't use classes for characters (&lt;em&gt;sigh&lt;/em&gt;).
&lt;/p&gt;
&lt;p&gt;
Fixed &lt;code&gt;PRINT SPC()&lt;/code&gt;
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-03-05</title>
<id>http://www.calormen.com/Applesoft/20090305</id>
<updated>2009-03-05T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
&lt;code&gt;PRINT CHR$(7)&lt;/code&gt; now rings a &lt;code&gt;BELL&lt;/code&gt; (if your browser has an audio/wav WAV handler configured)
&lt;/p&gt;
&lt;p&gt;Reimplemented the text display (TTY) using bitmap font, to mimic the look of 40/80 column text (no more copy/paste, alas)&lt;/p&gt;
&lt;p&gt;
Added MouseText support. &lt;code&gt;INVERSE:PRINT CHR$(27);"XY";CHR$(24):NORMAL&lt;/code&gt;
&lt;/p&gt;
&lt;p&gt;
The ASCII Pac-Man sample was really &lt;em&gt;Unicode&lt;/em&gt; Pac-Man, which the bitmap font doesn't support, so it broke. So I cheated.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-03-01</title>
<id>http://www.calormen.com/Applesoft/20090301</id>
<updated>2009-03-01T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Added Scribble sample, by William Simms&lt;/p&gt;
</content>
</entry>
<entry>
<title>2009-02-12</title>
<id>http://www.calormen.com/Applesoft/20090212</id>
<updated>2009-02-12T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Added February Surprise sample by Antti Pirskanen&lt;/p&gt;
</content>
</entry>
<entry>
<title>2008-11-08</title>
<id>http://www.calormen.com/Applesoft/20081108</id>
<updated>2008-11-08T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Ignore whitespace-only lines, as a convenience&lt;/p&gt;
&lt;p&gt;Added ASCII PAC-MAN(ish) sample by Michael Kemp&lt;/p&gt;
</content>
</entry>
<entry>
<title>2008-10-19</title>
<id>http://www.calormen.com/Applesoft/20081019</id>
<updated>2008-10-19T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Added TEXT ADVENTURE sample by Floyd McWilliams.&lt;/p&gt;
&lt;p&gt;Allow string literals to be terminated by end-of-line (suggested by Mike Kienenberger for compatibility)&lt;/p&gt;
</content>
</entry>
<entry>
<title>2008-09-18</title>
<id>http://www.calormen.com/Applesoft/20080918</id>
<updated>2008-09-18T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Fixed a case where syntax errors were ignored&lt;/p&gt;
</content>
</entry>
<entry>
<title>2008-09-17</title>
<id>http://www.calormen.com/Applesoft/20080917</id>
<updated>2008-09-17T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Fixed input focus to work in Google Chrome&lt;/p&gt;
&lt;p&gt;
Fixed &lt;code&gt;READ&lt;/code&gt; to support multiple variables, e.g. &lt;code&gt;READ I,J,S$&lt;/code&gt;
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2008-08-23</title>
<id>http://www.calormen.com/Applesoft/20080823</id>
<updated>2008-08-23T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Added Save/Load buttons that let you save your work to a cookie&lt;/p&gt;
&lt;p&gt;Added DRAWING PROGRAM sample by Brian Broker&lt;/p&gt;
&lt;p&gt;Fixed power operator (^) which wasn't being parsed correctly&lt;/p&gt;
&lt;p&gt;Fixed subtle bug with string comparisons (result was double-typed as number and string)&lt;/p&gt;
</content>
</entry>
<entry>
<title>2008-05-01</title>
<id>http://www.calormen.com/Applesoft/20080501</id>
<updated>2008-05-01T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Fixed &lt;code&gt;NEXT I,J,...&lt;/code&gt; to terminate multiple loops - thanks to Scott Alfter for pointing this out
&lt;/p&gt;
&lt;p&gt;
Bowing to popular demand, it now supports &lt;code&gt;?&lt;/code&gt; as an alias for &lt;code&gt;PRINT&lt;/code&gt;
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2008-03-15</title>
<id>http://www.calormen.com/Applesoft/20080315</id>
<updated>2008-03-15T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Implemented &lt;code&gt;ONERR GOTO line&lt;/code&gt; and &lt;code&gt;RESUME&lt;/code&gt;, including &lt;code&gt;POKE 216,0&lt;/code&gt;
&lt;/p&gt;
&lt;p&gt;Added demo for ONERR, added ONERR support to sequential file access demo&lt;/p&gt;
&lt;p&gt;Fix hires graphics on Safari - not sure when it broke&lt;/p&gt;
</content>
</entry>
<entry>
<title>2008-03-14</title>
<id>http://www.calormen.com/Applesoft/20080314</id>
<updated>2008-03-14T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Code cleanup c/o &lt;a href="http://www.jslint.com"&gt;jslint.com&lt;/a&gt;
&lt;/p&gt;
&lt;p&gt;
Bug fix: &lt;code&gt;INPUT A,B,C&lt;/code&gt; no longer worked. Probably mis-re-factored at some point.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-12-08</title>
<id>http://www.calormen.com/Applesoft/20071208</id>
<updated>2007-12-08T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Implement file writing (to client-side VFS only), including &lt;code&gt;APPEND&lt;/code&gt; operations
&lt;/p&gt;
&lt;p&gt;
Added DOS &lt;code&gt;DELETE&lt;/code&gt; command
&lt;/p&gt;
&lt;p&gt;
&lt;code&gt;GR&lt;/code&gt; does implicit &lt;code&gt;HTAB 1 : VTAB 24&lt;/code&gt;
&lt;/p&gt;
&lt;p&gt;
&lt;code&gt;PEEK(49168)&lt;/code&gt; has the same effect as &lt;code&gt;POKE 49168,N&lt;/code&gt;
&lt;/p&gt;
&lt;p&gt;
As a convenience, &lt;code&gt;PEEK&lt;/code&gt; and &lt;code&gt;POKE&lt;/code&gt; at 49200/-16336 (speaker toggle) now accepted, but a no-op
&lt;/p&gt;
&lt;p&gt;
As a convenience, spaces now accepted before &lt;code&gt;=&lt;/code&gt; for&lt;code&gt;COLOR=&lt;/code&gt; and &lt;code&gt;HCOLOR=&lt;/code&gt;
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-11-22</title>
<id>http://www.calormen.com/Applesoft/20071122</id>
<updated>2007-11-22T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Added button to submit your sample (via email) for inclusion&lt;/p&gt;
&lt;p&gt;Added SIMPLE.PONG sample c/o USENET post by mad.scientist.jr&lt;/p&gt;
&lt;p&gt;Improved comment handling (doesn't tokenize)&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-10-22</title>
<id>http://www.calormen.com/Applesoft/20071022</id>
<updated>2007-10-22T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Make &lt;code&gt;GET&lt;/code&gt; support keyboard flag, so &lt;code&gt;IF PEEK(-16384) > 127 THEN GET A$&lt;/code&gt; works
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-10-20</title>
<id>http://www.calormen.com/Applesoft/20071020</id>
<updated>2007-10-20T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Bug fix: User could type after hitting Stop. Now TTY state is reset.&lt;/p&gt;
&lt;p&gt;
Added missing statement: &lt;code&gt;ON expr GOSUB ...&lt;/code&gt;
&lt;/p&gt;
&lt;p&gt;
&lt;code&gt;RND(0)&lt;/code&gt; returns last, negative reseeds
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-10-14</title>
<id>http://www.calormen.com/Applesoft/20071014</id>
<updated>2007-10-14T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Fixed location of paddle button 3 (C060)&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-09-22</title>
<id>http://www.calormen.com/Applesoft/20070922</id>
<updated>2007-09-22T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Implemented scaling in &lt;a target="_blank" href="http://excanvas.sourceforge.net/"&gt;
ExplorerCanvas&lt;/a&gt; (&lt;a target="_blank" href="excanvas.js"&gt;source&lt;/a&gt;); hires now scaled somewhat correctly in IE
&lt;/p&gt;
&lt;p&gt;Bug fixes: HOME would force full-screen text; HPLOT can now plot a single pixel&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-09-20</title>
<id>http://www.calormen.com/Applesoft/20070920</id>
<updated>2007-09-20T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Added hires support via &lt;a target="_blank" href="http://www.whatwg.org/specs/web-apps/current-work/#canvas"&gt;canvas&lt;/a&gt; tag
&lt;/p&gt;
&lt;p&gt;Display switches (POKE 49232...49239, not counting page 2) supported.&lt;/p&gt;
&lt;p&gt;Added text window support: POKE 32,left : POKE 33,width : POKE 34,top : POKE 35,bottom&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-09-16</title>
<id>http://www.calormen.com/Applesoft/20070916</id>
<updated>2007-09-16T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Added full screen lores support via &lt;a target="_blank" href="reference.htm#Poke"&gt;POKE&lt;/a&gt; 29234,0
&lt;/p&gt;
&lt;p&gt;Fixed keyboard input on Safari - hacky, but logical&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-09-15</title>
<id>http://www.calormen.com/Applesoft/20070915</id>
<updated>2007-09-15T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Added Mandelbrot set demo to DEMOS&lt;/p&gt;
&lt;p&gt;
Added &lt;a target="_blank" href="reference.htm#Peek"&gt;PEEK&lt;/a&gt; and &lt;a target="_blank" href="reference.htm#Poke"&gt;POKE&lt;/a&gt; shims
&lt;/p&gt;
&lt;p&gt;Added paddle buttons: Home = 0 = Open Apple, End = 1 = Solid Apple, Page Up = 2, Page Down = 3&lt;/p&gt;
&lt;p&gt;Added Caps Lock (defaults to on; real Caps Lock key toggles it; this means it usually ends up in an inverted state)&lt;/p&gt;
&lt;p&gt;Round numerical results to 8 decimal places (hacky)&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-09-10</title>
<id>http://www.calormen.com/Applesoft/20070910</id>
<updated>2007-09-10T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Added demo file links, cleaned up UI a bit.&lt;/p&gt;
&lt;p&gt;Added hacky PR#0/PR#3 support (to set 40 columns)&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-09-09</title>
<id>http://www.calormen.com/Applesoft/20070909</id>
<updated>2007-09-09T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Execute multiple steps before yielding. Increases perceived performance by about 10x.&lt;/p&gt;
&lt;p&gt;Adjust lores colors per Linards Ticmanis on comp.sys.apple2.&lt;/p&gt;
&lt;p&gt;Added Joystick, reorganized web pages&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-09-04</title>
<id>http://www.calormen.com/Applesoft/20070904</id>
<updated>2007-09-04T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Added MON/NOMON support.&lt;/p&gt;
&lt;p&gt;Fixed bugs with: READ into arrays, two argument MID$, e-format number parsing, DOS null command&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-09-03</title>
<id>http://www.calormen.com/Applesoft/20070903</id>
<updated>2007-09-03T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Bugfixes: SPC() and TAB() followed by ; in PRINT statements. DOS parameter lists can include spaces.&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-09-02</title>
<id>http://www.calormen.com/Applesoft/20070902</id>
<updated>2007-09-02T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Oops - FRE is a function not a statement. Fixed!&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-09-01</title>
<id>http://www.calormen.com/Applesoft/20070901</id>
<updated>2007-09-01T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Implemented DATA/READ/RESTORE&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-08-31</title>
<id>http://www.calormen.com/Applesoft/20070831</id>
<updated>2007-08-31T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Implemented DEF FN&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-08-30</title>
<id>http://www.calormen.com/Applesoft/20070830</id>
<updated>2007-08-30T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Implemented DIM. File reads complete.&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-08-27</title>
<id>http://www.calormen.com/Applesoft/20070827</id>
<updated>2007-08-27T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;
Added preliminary &lt;a target="_blank" href="reference.htm#DOSQuickReference"&gt;DOS implementation&lt;/a&gt;. Sequential access read only; there's a file called "JABBERWOCKY" to try.
&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-08-24</title>
<id>http://www.calormen.com/Applesoft/20070824</id>
<updated>2007-08-24T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Fixed bugs with string variables, key presses in IE, and HTML tweaks for better layout and lo-res sizing&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-06-05</title>
<id>http://www.calormen.com/Applesoft/20070605</id>
<updated>2007-06-05T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Added paddle support (PDL)&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-06-03</title>
<id>http://www.calormen.com/Applesoft/20070603</id>
<updated>2007-06-03T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Added lores graphics support (GR, PLOT, HLIN, VLIN, COLOR=, SCRN)&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-05-01</title>
<id>http://www.calormen.com/Applesoft/20070501</id>
<updated>2007-05-01T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Extracted step mechanism from interpreter, so web page can introduce delays; no longer case-sensitive to keywords&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-04-29</title>
<id>http://www.calormen.com/Applesoft/20070429</id>
<updated>2007-04-29T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Fixed command-line mode again&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-04-27</title>
<id>http://www.calormen.com/Applesoft/20070427</id>
<updated>2007-04-27T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Added screen emulation (e.g. HOME, HTAB, VTAB) and input (e.g. GET)&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-04-24</title>
<id>http://www.calormen.com/Applesoft/20070424</id>
<updated>2007-04-24T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Integrated into browser (display and event model)&lt;/p&gt;
</content>
</entry>
<entry>
<title>2007-04-21</title>
<id>http://www.calormen.com/Applesoft/20070421</id>
<updated>2007-04-21T12:00:00-08:00</updated>
<content type="html">
&lt;p&gt;Project started; interpreter functional via WSH on Windows&lt;/p&gt;
</content>
</entry>
</feed>

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//
// Applesoft BASIC in Javascript
// High Resolution Graphics (HiRes) Emulation
//
// Copyright (C) 2009-2011 Joshua Bell
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This variation does not rely on a canvas element with the same dimensions
// as the pixel buffer; instead, it paints pixels on the canvas using rectangles.
// This works even if the underlying canvas implementation does not support
// scaling (e.g. fallbacks for IE using VML or Flash)
// Usage:
//
// var hires = new LoRes( element, width, height )
// hires.clear()
// hires.setColor( color_index )
// hires.plot( x, y )
// hires.plot_to( x, x )
// hires.getPixel( x, x ) // for "HSCRN"
// hires.show( bool )
// { width: w, height: h } = hires.getScreenSize()
//
// Example:
//
// <script>
// hires = new HiRes( document.getElementById( 'hires' ), 140, 192 );
// interpreter = new BasicInterpreter( tty, lores, hires, paddle );
// </script>
// <canvas id="hires"></canvas>
function HiRes(element, width, height) {
var COLORS, // Apple II to HTML color table
last_x = 0,
last_y = 0,
pixels = [],
color = 0,
context = element.getContext("2d");
pixels.length = width * height;
// Colors c/o USENET:
// Date: Wed, 05 Sep 2007 01:04:20 +0200
// From: Linards Ticmanis <ticmanis@gmx.de>
// Newsgroups: comp.sys.apple2
// Subject: Re: Double hires mode color artifacts
// Message-ID: <46dde477$0$4527$9b4e6d93@newsspool3.arcor-online.net>
COLORS = [
'#000000', // Black 1
'#2fbc1a', // Green
'#d043e5', // Violet
'#ffffff', // White 1
'#000000', // Black 2
'#d06a1a', // Orange
'#2f95e5', // Medium Blue
'#ffffff' // White 2
];
this.clear = function(use_color) {
var i;
if (!use_color) {
context.clearRect(0, 0, element.width, element.height);
pixels = [];
pixels.length = width * height;
} else {
context.fillStyle = COLORS[color];
context.fillRect(0, 0, element.width, element.height);
pixels = [];
pixels.length = width * height;
for (i = 0; i < pixels.length; i += 1) {
pixels[i] = color;
}
}
};
this.setColor = function(newColor) {
color = Math.floor(newColor) % COLORS.length;
};
function drawPixel(x, y) {
var sx = element.width / width,
sy = element.height / height;
context.fillRect(x * sx, y * sy, sx, sy);
pixels[x + y * width] = color;
}
this.plot = function(x, y) {
context.fillStyle = COLORS[color];
drawPixel(x, y);
last_x = x;
last_y = y;
};
this.plot_to = function(x, y) {
var x0 = last_x, y0 = last_y, x1 = x, y1 = y,
dx = Math.abs(x1 - x0),
dy = Math.abs(y1 - y0),
sx = (x0 < x1) ? 1 : -1,
sy = (y0 < y1) ? 1 : -1,
err = dx - dy,
e2;
while (true) {
this.plot(x0, y0);
if (x0 === x1 && y0 === y1) { return; }
e2 = 2 * err;
if (e2 > -dy) {
err -= dy;
x0 += sx;
}
if (e2 < dx) {
err += dx;
y0 += sy;
}
}
last_x = x;
last_y = y;
};
this.getPixel = function(x, y) {
/*jslint bitwise:false*/
return pixels[y * width + x] >>> 0;
};
this.getScreenSize = function() {
return { width: width, height: height };
};
this.show = function(state) {
element.style.visibility = state ? "visible" : "hidden";
};
}

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<!DOCTYPE html>
<html>
<head>
<title>Applesoft BASIC in JavaScript</title>
<link rel="Stylesheet" href="styles.css" type="text/css">
<meta http-equiv="X-UA-Compatible" content="IE=edge"> <!-- Suppress browser compat button -->
<script type="text/javascript" src="../polyfill/polyfill.js?update=2011-12-17"></script>
<script type="text/javascript" src="../polyfill/harmony.js?update=2011-12-17"></script>
<script type="text/javascript">
(function () {
function load(url) { document.write('<script type="text/javascript" src="' + url + '"></' + 'script>'); }
if (!window.JSON) { load('../polyfill/json2.js'); }
if (!window.localStorage || !window.sessionStorage) { load('../polyfill/storage.js'); }
if (!('getContext' in document.createElement('canvas'))) { load('../polyfill/flashcanvas.js'); }
}());
</script>
<script type="text/javascript" src="../polyfill/keyboard.js"></script>
</head>
<body>
<h1>Applesoft BASIC in Javascript</h1>
<p>
By <a href="mailto:inexorabletash@hotmail.com">Joshua Bell</a>
| <a target="_blank" href="reference.htm">Applesoft BASIC Quick Reference</a>
| <a href="#notes">Notes &amp; Known Issues</a>
| <a href="#todo">To Do</a>
| <a href="#links">Links</a>
| <a href="#history">History</a>
<p>Related projects:
<a href="/Logo">Logo in Javascript</a>
| <a href="/vnIIc">Streaming video to an Apple II - vnIIc</a>
</p>
<br clear=left>
<!-- Screen -->
<div id="frame" class="frame" style="float: left; margin: 10px;">
<div id="screen-wrapper" class="wrapper">
<div id="lores" class="lores"></div>
<canvas id="hires" width="560" height="384" class="hires"></canvas>
<canvas id="hires2" width="560" height="384" class="hires"></canvas>
<div id="screen" class="tty"></div>
</div>
</div>
<!-- Keyboard - positioned offscreen -->
<input id="keyboard" class="keyboard" type="text" title="Hidden Keyboard Input Device">
<!-- Source -->
<div style="float: left; margin: 10px;">
Enter code below
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<input type="button" value="Run" id="btn_run">
<input type="button" value="Stop" id="btn_stop" disabled="disabled">
<select id="lb_files">
<option disabled selected="selected">Select a file...</option>
<option value="sample.basic">DEMOS</option>
<option disabled>---- Tests ----</option>
<option value="sample.unittests">Unit Tests</option>
<option value="sample.keyboard">Keyboard Test</option>
<option value="sample.charset">Charset Test</option>
<option disabled>---- User Submissions ----</option>
<option disabled>Games</option>
<option value="simple.pong">SIMPLE.PONG</option>
<option value="sample.adventure">Text Adventure (Floyd McWilliams)</option>
<option value="sample.pacman">(Not Really) ASCII Pac-Man (Michael Kemp)</option>
<option value="sample.puzzler">Puzzler (Gregg Buntin)</option>
<option value="sample.hangman">Hangman (Mike Gleason)</option>
<option value="sample.raindrops">Catch the Raindrop (Nicholas Merchant)</option>
<option value="sample.jot">JOT (Mike Gleason)</option>
<option disabled>Graphics</option>
<option value="sample.rodscolorpattern">Rod&apos;s Color Pattern</option>
<option value="sample.hacker">Hacker Logo (markwstock)</option>
<option value="sample.loreswalk">Random LoRes (John Melesky)</option>
<option value="sample.hireswalk">Random HiRes (John Melesky)</option>
<option value="sample.sierpinski">Sierpinski Triangles (Kevin Miller)</option>
<option value="sample.stringart">String Art (Chris Heric)</option>
<option value="sample.paint">Drawing Program (Brian Broker)</option>
<option value="sample.scribble">Scribble (William Simms)</option>
<option value="sample.connections">Connections (Gregg Buntin)</option>
<option value="sample.squiggle">Squiggle (Gregg Buntin)</option>
<option value="sample.boys_surface">Boy&apos;s Surface (Lukas Innig)</option>
<option value="sample.gaussian">Gaussian Distribution 2D (John Russ)</option>
<option value="sample.bitmaps">Bitmap Images (Brian Broker)</option>
<option value="sample.mandelbrot">Mandelbrot Set (c/o Gregory Lewis)</option>
<option value="sample.mandelbrot2">Mandelbrot Set in Color</option>
<option value="sample.steve">Steve (Nicola Foggi)</option>
<option disabled>Other</option>
<option value="sample.primes">Prime Sieve (Kevin Miller)</option>
<option value="sample.february">February Surprise (Antti Pirskanen)</option>
<option value="sample.hellosine">Hello World Sine Wave (Jamie Beu)</option>
<option value="sample.bodymass">Body Mass Index Calculator (Tim Dwyer)</option>
<option disabled>---- Traveller RPG Utilities ----</option>
<option value="TRADER C">TRADER</option>
<option value="sample.sectorgen">Traveller Sector Generator</option>
<option value="sample.zhorelay">Zhodani Relay Station Placement</option>
<option value="sample.readsector">Read Sector File</option>
</select>
<input type="button" id="btn_capture" value="Echo to &quot;Printer&quot;" title="Pops up a &quot;printer&quot; window and echoes all output there, so you can copy/paste">
<!-- Source code editor inserted here -->
<div id="editorframe"></div>
<form id="submission" method="post" enctype="text/plain" action="mailto:inexorabletash@hotmail.com?subject=Applesoft%20Sample%20Submission">
<textarea name="source" id="source" style="display: none;">
</textarea>
<input type="submit" id="btn_share" value="Share your sample!">
<input type="button" id="btn_save" value="Save Program" title="Save the current program. NOTE: Can only save one program.">
<input type="button" id="btn_load" value="Load Program" title="Load a previously saved program. WARNING: The current program will be lost!">
</form>
</div>
<br clear=left>
<h3 id="notes">Notes &amp; Known Issues</h3>
<ul>
<li>The BASIC program is compiled to JavaScript before execution. Syntax errors are therefore detected at compile-time
rather than at run-time as on a traditional interpreter. For example, the following program would run without errors
on an Apple since the erroneous second statement is never reached. <code>10 END : CHR$(PRINT)</code>
<li>Handling of BASIC code that does not match the canonical <code>LIST</code> output format may not behave as on an Apple:
<ul>
<li>Keyword parsing differs from Applesoft command line. For example <code>FOR I = S TO P</code> doesn&apos;t collapse into <code>FOR I = STOP</code>.
<li>The interpreter doesn&apos;t actually care about line numbers for statement ordering (just for <code>GOTO</code>/<code>GOSUB</code> targets and <code>IF</code> statements). So <code>20 PRINT "A"</code>, <code>10 PRINT "B"</code> will just print A, then B
</ul>
<li>To improve readability, lines may start with <code>:</code> and continue the previously numbered line.
<li>Floating point overflow is only detected on variable assignment.
<li>The DOS operating system implements only a subset of DOS 3.3 and ProDOS useful for basic file I/O.
<li>Except for a small number of compatibility shims for common operations (e.g. keyboard strobe), commands that refer to assembly routines (<code>PEEK</code>, <code>POKE</code>, <code>CALL</code>, <code>USR</code> etc.), shape tables, or tape I/O are not implemented.
<li>Commands that operate on the program itself (<code>LIST</code>, <code>RUN</code>, <code>DEL</code>, etc.) are not implemented.
<li>You can run your basic programs from the command line (with only basic text input and output, and no graphics or DOS commands):
<ul>
<li>On Windows, download <a href="basic.js">basic.js</a> and run from a command prompt via:
<code>cscript.exe basic.js your_basic_program.txt</code>
<li>On Mac/Linux, install <a href="http://www.mozilla.org/rhino/">Mozilla Rhino</a>,
download <a href="basic.js">basic.js</a> and run from the command prompt via:
<code>java -jar PATH_TO/js.jar basic.js your_program.txt</code>
</ul>
</ul>
<h3 id="todo">To Do</h3>
<ul>
<li>Implement DOS functionality for consoles
</ul>
<h3 id="links">Links</h3>
<ul>
<li><a href="http://www.6502asm.com/">6502asm.com</a> - a 6502 assembler/emulator in JavaScript
<li><a href="http://www.quitebasic.com/">Quite BASIC</a> - a similar project aimed at teaching programming
<li><a href="http://navahogunleg.net/blog/my-projects/ng-basic/">NG-BASIC for Javascript</a> Navaho Gunleg&apos;s interpreter
<li><a href="http://www.nicholson.com/rhn/basic/">BASIC Programming Resources</a>
</ul>
<h3 id="history">History</h3>
<div id="feed"></div>
<script src="cm2/lib/codemirror.js"></script>
<link rel="stylesheet" href="cm2/lib/codemirror.css">
<link rel="stylesheet" href="cm2/theme/default.css">
<script src="cm2/mode/basic/basic.js"></script>
<link rel="stylesheet" href="cm2/mode/basic/basic.css">
<style type="text/css">
.CodeMirror { border: solid 1px black; width: 598px; height: 384px; background-color: white; }
.CodeMirror-scroll { height: 100%; }
</style>
<script type="text/javascript" src="basic.js?2012-02-08"></script>
<script type="text/javascript" src="bell.js"></script>
<script type="text/javascript" src="tty.js"></script>
<script type="text/javascript" src="lores.js"></script>
<script type="text/javascript" src="hires.js"></script>
<script type="text/javascript" src="dos.js"></script>
<script type="text/javascript" src="printer.js"></script>
<script type="text/javascript" src="feed.js"></script>
<script type="text/javascript">
// not quite ready for jQuery...
var $ = function (id) { return document.getElementById(id); };
//
// Main
//
window.onload = function() {
$('lb_files').selectedIndex = 0;
var bell = (function() {
var b = new Bell(/^.*\/|/.exec(window.location)[0]);
return function() { b.play(); };
} ());
var tty = new TTY($('screen'), $('keyboard'), bell);
var dos = new DOS(tty);
var lores = new LoRes($('lores'), 40, 48);
var hires = new HiRes($('hires'), 280, 192);
var hires2 = new HiRes($('hires2'), 280, 192);
var display = {
state: { graphics: false, full: true, page1: true, lores: true },
setState: function(state, value /* ... */) {
var args = Array.prototype.slice.call(arguments);
while (args.length) {
state = args.shift();
value = args.shift();
this.state[state] = value;
}
if (this.state.graphics) {
lores.show(this.state.lores);
hires.show(!this.state.lores && this.state.page1);
hires2.show(!this.state.lores && !this.state.page1);
tty.splitScreen(tty.getScreenSize().height - (this.state.full ? 0 : 4));
}
else {
lores.show(false);
hires.show(false);
hires2.show(false);
tty.splitScreen(0);
}
}
};
var pdl = [0, 0, 0, 0];
// Lexical highlighting
var editor = new CodeMirror($('editorframe'), {
mode: 'basic',
tabMode: 'default',
content: $('source').value,
height: '100%'
});
$('btn_share').onclick = function() {
// Load up the hidden text area with the current source
$('source').value = getSource();
};
function getSource() {
return editor.getValue();
}
function setSource(source) {
editor.setValue(source);
}
// Do not let certain events take focus away from "keyboard"
function keyboardFocus(e) {
e = e ? e : window.event;
tty.focus();
e.cancelBubble = true; // IE
e.returnValue = false;
if (e.stopPropagation) { e.stopPropagation(); } // W3C
if (e.preventDefault) { e.preventDefault(); } // e.g. to block arrows from scrolling the page
return false;
}
$('lores').onclick = keyboardFocus;
$('hires').onclick = keyboardFocus;
$('hires2').onclick = keyboardFocus;
$('screen').onclick = keyboardFocus;
$('frame').onclick = keyboardFocus;
$('frame').onblur = keyboardFocus; // Needed on IE, not sure why it tries to get focus
$('keyboard').onfocus = function() { $('frame').style.backgroundColor = '#204020'; };
$('keyboard').onblur = function() { $('frame').style.backgroundColor = ''; };
var program;
$('btn_run').onclick = function() {
dos.reset();
tty.reset();
tty.autoScroll = true;
try {
program = basic.compile(getSource());
}
catch (e) {
if (e instanceof basic.ParseError) {
editor.setCursor({ line: e.line - 1, ch: e.column - 1 });
console.log(e.message +
' (source line:' + e.line + ', column:' + e.column + ')');
}
alert(e);
return;
}
stopped = false;
updateUI();
program.init({
tty: tty,
hires: hires,
hires2: hires2,
lores: lores,
display: display,
paddle: function(n) { return pdl[n]; }
});
setTimeout(driver, 0);
};
$('btn_stop').onclick = function() {
tty.reset(); // cancel any blocking input
stopped = true;
updateUI();
};
$('lb_files').onchange = function() {
var sel = $('lb_files');
loadFile('samples/' + sel.value + ".txt", setSource);
};
$('btn_save').onclick = function() { window.localStorage.setItem("save_program", getSource()); };
$('btn_load').onclick = function() { setSource(window.localStorage.getItem("save_program")); };
// Add a "printer" on demand
$('btn_capture').onclick = function() {
$('btn_capture').disabled = true;
var printer = new Printer(tty);
printer.onclose = function() {
$('btn_capture').disabled = false;
};
};
// Mouse-as-Joystick
var wrapper = $('screen-wrapper');
wrapper.onmousemove = function(e) {
e = e || window.event;
// compute relative coordinates
var x = e.clientX, y = e.clientY, elem = wrapper;
while (elem) {
x -= elem.offsetLeft - elem.scrollLeft;
y -= elem.offsetTop - elem.scrollTop;
elem = elem.offsetParent;
}
function clamp(n, min, max) { return Math.min(Math.max(n, min), max); }
pdl[0] = clamp(x / (wrapper.offsetWidth - 1), 0, 1);
pdl[1] = clamp(y / (wrapper.offsetHeight - 1), 0, 1);
};
var stopped = true;
function updateUI() {
$("btn_stop").disabled = stopped ? "disabled" : "";
$("btn_run").disabled = stopped ? "" : "disabled";
$("lb_files").disabled = stopped ? "" : "disabled";
if (stopped) {
$("btn_run").focus();
}
else {
tty.focus();
}
}
// TODO: Expose a RESPONSIVE |---+--------| FAST slider in the UI
// Number of steps to execute before yielding execution
// (Use a prime to minimize risk of phasing with loops)
var NUM_SYNCHRONOUS_STEPS = 37;
function driver() {
var state = basic.STATE_RUNNING;
var statements = NUM_SYNCHRONOUS_STEPS;
while (!stopped && state === basic.STATE_RUNNING && statements > 0) {
try {
state = program.step(driver);
}
catch (e) {
console.log(e);
alert(e.message ? e.message : e);
stopped = true;
updateUI();
return;
}
statements -= 1;
}
if (state === basic.STATE_STOPPED || stopped) {
stopped = true;
updateUI();
}
else if (state === basic.STATE_BLOCKED) {
// Fall out
}
else // state === basic.STATE_RUNNING
{
setTimeout(driver, 0); // Keep going
}
}
function loadFile(filename, callback) {
var req = new XMLHttpRequest();
var url = encodeURI(filename); // not encodeURIComponent, so paths can be specified
var async = true;
req.open("GET", url, async);
req.onreadystatechange = function() {
if (req.readyState === XMLHttpRequest.DONE) {
if (req.status === 200 || req.status === 0) // 0 for file:// protocol
{
callback(req.responseText);
}
}
}
req.send(null);
}
// load default
loadFile('samples/sample.default.txt', setSource);
// Show change history
atomToHtml('feed.xml?' + Math.random(), $('feed'));
};
</script>
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-18610679-3']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
</body>
</html>

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lores.js Normal file
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//
// Applesoft BASIC in Javascript
// Low Resolution Graphics (LoRes) Emulation
//
// Copyright (C) 2009-2011 Joshua Bell
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Usage:
//
// var lores = new LoRes( element, width, height )
// lores.clear()
// lores.setColor( color_index )
// lores.plot( x, y )
// lores.hlin( x1, x2, y )
// lores.vlin( x1, x2, y )
// lores.show( bool )
// color_index = lores.getPixel( x, y )
// { width: w, height: h } = lores.getScreenSize()
//
// Example:
//
// <style>
// .loresPixel { width: 14px; height: 8px; }
// </style>
// <script>
// lores = new LoRes( document.getElementById( 'lores' ), 40, 40 );
// interpreter = new BasicInterpreter( tty, lores, paddle );
// </script>
// <div id="lores"></div>
function LoRes(element, width, height) {
/*jslint browser: true*/
var COLORS, // Apple II to HTML color table
loresPixel = [], // element references
pixels = [], // color values
color = 0; // current color
// Colors c/o USENET:
// Date: Wed, 05 Sep 2007 01:04:20 +0200
// From: Linards Ticmanis <ticmanis@gmx.de>
// Newsgroups: comp.sys.apple2
// Subject: Re: Double hires mode color artifacts
// Message-ID: <46dde477$0$4527$9b4e6d93@newsspool3.arcor-online.net>
COLORS = [
'#000000', // Black
'#901740', // Deep Red
'#402ca5', // Dark Blue
'#d043e5', // Purple
'#006940', // Dark Green
'#808080', // Gray 1
'#2f95e5', // Medium Blue
'#bfabff', // Light Blue
'#402400', // Brown // WAS #405400, error pointed out by MJM
'#d06a1a', // Orange
'#808080', // Gray 2
'#ff96bf', // Pink
'#2fbc1a', // Light Green
'#bfd35a', // Yellow
'#6fe8bf', // Aquamarine
'#ffffff' // White
];
function init() {
var x, y, table, tbody, tr, td;
pixels = [];
pixels.length = width * height;
loresPixel = [];
loresPixel.length = width * height;
table = document.createElement('table');
table.className = 'loresDisplay';
tbody = document.createElement('tbody');
for (y = 0; y < height; y += 1) {
tr = document.createElement('tr');
tr.className = 'loresRow';
for (x = 0; x < width; x += 1) {
td = document.createElement('td');
td.className = 'loresPixel';
td.style.backgroundColor = 'black';
loresPixel[y * width + x] = td;
pixels[y * width + x] = 0;
tr.appendChild(td);
}
tbody.appendChild(tr);
}
table.appendChild(tbody);
element.innerHTML = "";
element.appendChild(table);
}
this.clear = function() {
var x, y, pixel;
for (y = 0; y < height; y += 1) {
for (x = 0; x < width; x += 1) {
pixel = loresPixel[y * width + x];
pixel.style.backgroundColor = "black";
pixels[y * width + x] = 0;
}
}
};
this.setColor = function(newColor) {
color = Math.floor(newColor) % COLORS.length;
};
function plot(x, y) {
var pixel = loresPixel[y * width + x];
if (pixel) {
pixel.style.backgroundColor = COLORS[color];
pixels[y * width + x] = color;
}
}
this.plot = function(x, y) {
plot(x, y);
};
this.getPixel = function(x, y) {
if (0 <= x && x < width &&
0 <= y && y < height) {
return pixels[y * width + x];
} else {
return 0;
}
};
this.hlin = function(x1, x2, y) {
var x;
if (x1 > x2) {
x = x1;
x1 = x2;
x2 = x;
}
for (x = x1; x <= x2; x += 1) {
plot(x, y);
}
};
this.vlin = function(y1, y2, x) {
var y;
if (y1 > y2) {
y = y1;
y1 = y2;
y2 = y;
}
for (y = y1; y <= y2; y += 1) {
plot(x, y);
}
};
this.getScreenSize = function() {
return { width: width, height: height };
};
this.show = function(state) {
element.style.visibility = state ? "visible" : "hidden";
};
//----------------------------------------------------------------------
// Constructor Logic
//----------------------------------------------------------------------
init();
}

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paddles.js Normal file
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//
// Applesoft BASIC in Javascript
// Paddle and Joystick Emulation
//
// Copyright (C) 2009-2011 Joshua Bell
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Usage:
//
// initPaddle( device_element, thumb_element, callback_function );
// initJoystick( device_element, thumb_element, callback_function_x, callback_function_y );
//
// Example:
//
// <script>
// initPaddle( device.getElementById('paddle'), device.getElementById('knob'), function ( v ) { window.status = v; /* v = 0...1 */ } );
// initJoystick( device.getElementById('joystick'), device.getElementById('stick'), function ( v ) { window.status = v; /* v = 0...1 */ }, function ( v ) { window.status = v; /* v = 0...1 */ } );
// </script>
// <style>
// #paddle { border-style: inset; border-width: 2px; border-color: gray; background-color: #c0c0c0; height: 20px;
// width: 300px; text-align: center; }
// #knob { border-style: outset; border-width: 2px; border-color: gray; background-color: #404040; height: 16px; width: 10px; }
// #joystick { border-style: inset; border-width: 2px; border-color: gray; background-color: #c0c0c0;
// width: 100px; height: 100px; text-align: center; vertical-align: middle; line-height: 100px; }
// #stick { border-style: outset; border-width: 2px; border-color: gray; background-color: #404040; height: 16px; width: 16px; }
// </style>
// <div id="paddle"> <div id="knob"></div> Slide the Paddle! </div>
// <div id="joystick"> <div id="stick"></div> Twiddle me!</div>
/*extern document,window,addEvent,removeEvent */
function initDevice(device, thumb, fn_x, fn_y) {
device.style.position = "relative";
device.style.overflow = "hidden";
thumb.style.position = "absolute";
thumb.style.left = 0;
thumb.style.top = 0;
thumb.last_x = 0;
thumb.last_y = 0;
var onStickDrag = function (e) {
e.returnValue = false;
e.cancelBubble = true;
if (e.stopPropagation) { e.stopPropagation(); }
if (e.preventDefault) { e.preventDefault(); }
if (fn_x) {
var x = e.clientX - thumb.originX + thumb.posX;
var min_x = 0;
var max_x = device.clientWidth - thumb.offsetWidth;
if (x < min_x) { x = min_x; }
if (x > max_x) { x = max_x; }
if (x != thumb.last_x) {
thumb.last_x = x;
thumb.style.left = x + "px";
fn_x((x - min_x) / (max_x - min_x));
}
}
if (fn_y) {
var y = e.clientY - thumb.originY + thumb.posY;
var min_y = 0;
var max_y = device.clientHeight - thumb.offsetHeight;
if (y < min_y) { y = min_y; }
if (y > max_y) { y = max_y; }
if (y != thumb.last_y) {
thumb.last_y = y;
thumb.style.top = y + "px";
fn_y((y - min_y) / (max_y - min_y));
}
}
return false;
};
var onStickUp = function (e) {
e.returnValue = false;
e.cancelBubble = true;
if (e.stopPropagation) { e.stopPropagation(); }
if (e.preventDefault) { e.preventDefault(); }
removeEvent(document, "mousemove", onStickDrag);
removeEvent(document, "mouseup", onStickUp);
if (thumb.releaseCapture) { thumb.releaseCapture(true); }
return false;
};
var onStickDown = function (e) {
e.returnValue = false;
e.cancelBubble = true;
if (e.stopPropagation) { e.stopPropagation(); }
if (e.preventDefault) { e.preventDefault(); }
addEvent(document, "mousemove", onStickDrag);
addEvent(document, "mouseup", onStickUp);
if (thumb.setCapture) { thumb.setCapture(true); }
if (fn_x) {
thumb.originX = e.clientX;
thumb.posX = parseInt(thumb.style.left, 10);
}
if (fn_y) {
thumb.originY = e.clientY;
thumb.posY = parseInt(thumb.style.top, 10);
}
return false;
};
device.appendChild(thumb);
addEvent(thumb, "mousedown", onStickDown);
}
function initPaddle(device, control, fn) {
initDevice(device, control, fn);
}
function initJoystick(device, control, fn_x, fn_y) {
initDevice(device, control, fn_x, fn_y);
}

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//
// Applesoft BASIC in Javascript
// Printer (for copying output)
//
// Copyright (C) 2009-2011 Joshua Bell
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
function Printer(tty) {
// For closures
var self = this;
// Create new window and document
var w = window.open('about:blank', '_blank', 'width=500,height=400,status=0,location=0,menubar=0,toolbar=0');
var body = w.document.getElementsByTagName('body')[0];
body.style.fontFamily = 'Courier, Monospace';
body.style.backgroundColor = '#ffffff';
body.style.backgroundImage = "url('http://calormen.com/Star_Trek/ASCII/lpt.jpg')";
body.style.color = '#000000';
body.style.paddingLeft = '50px';
var paper = w.document.createElement('div');
paper.style.whiteSpace = 'pre';
body.appendChild(paper);
var tty_writeChar = tty.writeChar;
tty.writeChar = function(c) {
tty_writeChar(c);
switch (c.charCodeAt(0)) {
case 0:
case 1:
case 2:
case 3:
case 4: // DOS hook
case 5:
case 6:
case 7: // (BEL) bell
case 8: // (BS) backspace
case 9:
case 11: // (VT) clear EOS
case 12: // (FF) clear
case 14: // (SO) normal
case 15: // (SI) inverse
case 16:
case 17: // (DC1) 40-column
case 18: // (DC2) 80-column
case 19: // (DC3) stop list
case 20:
case 21: // (NAK) quit (disable 80-col card)
case 22: // (SYN) scroll
case 23: // (ETB) scroll up
case 24: // (CAN) disable mousetext
case 25: // (EM) home
case 26: // (SUB) clear line
case 27: // (ESC) enable mousetext
case 28: // (FS) forward space
case 29: // (GS) clear EOL
case 30: // (RS) gotoXY
case 31:
break;
case 10: // (LF) line feed
case 13: // (CR) return
paper.appendChild(w.document.createTextNode('\n'));
break;
default:
paper.appendChild(w.document.createTextNode(c));
break;
}
paper.parentElement.scrollTop = paper.parentElement.scrollHeight;
};
w.onunload = function() {
if (self.onclose) {
self.onclose();
}
tty.writeChar = tty_writeChar;
};
}

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Strict//EN">
<html>
<head>
<title>Applesoft BASIC Reference</title>
<style type="text/css">
body { background-color: #EEEACD; color: black; }
#toc { float: right; background-color: #DDDABD; font-size: 80%;}
code, dt { font-family: 'Lucida Console', 'Courier New', Courier, monospace; font-weight: bold; font-size: 80%; }
h2 { border-top: solid 1px black; border-bottom: solid 1px black; }
</style>
</head>
<body>
<div id="toc"></div>
<h1>Applesoft BASIC Quick Reference</h1>
<p>
This is intended as a quick reference for the <a href="index.htm">Applesoft BASIC in JavaScript</a> by <a href="mailto:inexorabletash@hotmail.com">Joshua Bell</a>.
</p>
<p>
<a href="#Extensions">Extensions</a> beyond Applesoft BASIC are called out with footnotes.
</p>
<p>See also:</p>
<ul>
<li><a href="http://www.landsnail.com/a2ref.htm">Apple II Programmer's Reference: Applesoft Commands</a>
<li><a href="http://www.apple2.org/faq/FAQ.applesoft.html">Applesoft BASIC Frequently Asked Questions (FAQ)</a>
<li><a href="http://www.lazilong.com/apple_II/bbros/">Beagle Bros. Peeks, Pokes & Pointers Chart (Colors, ASCII values, etc)</a>
<li><a href="http://beagle.applearchives.com/posters.htm">More Beagle Bros. Posters - including Apple Commands Chart, in PDF format</a>
</ul>
<!-- ================================================== -->
<h2 id="Statements">Statements</h2>
<!-- ================================================== -->
<h3>Variable Control</h3>
<dl>
<dt>CLEAR<dd>Clear all variables
<dt>[LET] <var>var</var> = <var>expr</var><dd>Assign variable
<dt>DIM <var>var</var>( <var>size</var> [ , <var>size2</var> ...] ) [ , <var>var2</var>( <var>size</var> [ , <var>size2</var> ...] ) ... ] <dd>Allocate array
<dt>DEF FN <var>f</var>(<var>var</var> ) = <var>expr</var><dd>Define function of a single variable <a href="#Extension_StringFuncs">[1]</a>
</dl>
<h3>Flow Control</h3>
<dl>
<dt>GOTO<dd>Go to line number
<dt>GOSUB <var>line</var><dd>Go to subroutine
<dt>RETURN<dd>Return from subroutine
<dt>ON <var>expr</var> GOTO <var>line</var> [, <var>line2</var> ... ]<dd>Branch based on index (value = 1, 2, ...)
<dt>ON <var>expr</var> GOSUB <var>line</var> [, <var>line2</var> ... ]<dd>Subroutine branch based on index (value = 1, 2, ...)
<dt>POP<dd>Convert last gosub into a goto
<dt>FOR <var>var</var> = <var>start</var> TO <var>end</var> [ STEP <var>incr</var> ]<dd>Loop with counter variable
<dt>NEXT [<var>var</var> [, <var>var</var> ...] ]<dd>End of loop(s)
<dt>IF <var>expr</var> THEN <var>statement</var><br />IF <var>expr</var> GOTO <var>line</var><dd>Conditional; if expr is false, rest of line is skipped
<dt>END<dd>Terminate program
<dt>STOP<dd>Break, as if an error occurred
</dl>
<h3>Error Handling</h3>
<dl>
<dt>ONERR GOTO <var>line</var><dd>Set error hook
<dt>RESUME<dd>Retry line that caused ONERR GOTO
</dl>
<h3>Input/Output</h3>
<dl>
<dt>PRINT <var>expr</var> [ [;,] <var>expr2</var> ... ] [;]<dd>Output text
<dt>INPUT [<var>string</var> ;] <var>var</var> [, <var>var2</var> ... ]<dd>Read line of input
<dt>GET <var>var</var><dd>Read single key
<dt>HOME<dd>Clear text display
<dt>HTAB <var>expr</var><dd>Position text cursor horizontally
<dt>VTAB <var>expr</var><dd>Position text cursor vertically
<dt>INVERSE<dd>Set output mode to black-on-white
<dt>FLASH<dd>Set output mode to flashing
<dt>NORMAL<dd>Set output mode to white-on-black
<dt>TEXT<dd>Set display to text mode
</dl>
<h3>Miscellaneous</h3>
<dl>
<dt>REM [ <var>comment</var> ]<dd>Begin a comment; rest of line is skipped
<dt>TRACE<dd>Turn on trace mode (line numbers printed)
<dt>NOTRACE<dd>Turn off trace mode
</dl>
<h3>Inline Data</h3>
<dl>
<dt>DATA <var>value</var> [, <var>value2</var> ... ]<dd>Define inline data
<dt>READ <var>var</var> [, <var>var2</var> ... ]<dd>Read the next DATA value
<dt>RESTORE<dd>Restore the DATA pointer to the first value
</dl>
<h3>Lo-Res Graphics</h3>
<dl>
<dt>GR<dd>Set display to lores mode, clear screen
<dt>COLOR= <var>expr</var><dd>Set lores color (0...15)
<dt>PLOT <var>expr</var>, <var>expr</var><dd>Plot lores point (x = 0...39, y = 0...40/48)
<dt>HLIN <var>expr</var>, <var>expr</var> AT <var>expr</var><dd>Plot horizontal line (x1, x2 at y)
<dt>VLIN <var>expr</var>, <var>expr</var> AT <var>expr</var><dd>Plot vertical line (y1, y2 at x)
</dl>
<h3>Hi-Res Graphics</h3>
<dl>
<dt>HGR<dd>Set display to hires mode, clear screen
<dt>HGR2<dd>Set display to hires mode (page 2), clear screen
<dt>HPLOT [TO] <var>expr</var>, <var>expr</var> [ TO <var>expr</var>, <var>expr</var> ] ... <dd>Plot hires point/line (x=0...279, y=0...191)
<dt>HCOLOR= <var>expr</var><dd>Set hires color (0...7)
</dl>
<h3>Hi-Res Shape Tables <var>- NOT IMPLEMENTED</var></h3>
<dl>
<dt>ROT= <var>expr</var><dd>Set hires shape table rotation (0...63)
<dt>SCALE= <var>expr</var><dd>Set hires shape table scale (1...255)
<dt>DRAW <var>expr</var> [ AT <var>expr</var>, <var>expr</var> ]<dd>Draw hires shape table shape in color
<dt>XDRAW <var>expr</var> [ AT <var>expr</var>, <var>expr</var> ]<dd>Draw hires shape table shape with XOR
</dl>
<h3>Interpreter and Program State <var>- NOT IMPLEMENTED</var></h3>
<dl>
<dt>CONT<dd>Continue from a STOP
<dt>DEL<dd>Delete lines of program
<dt>LIST [ <var>expr</var> [, <var>expr</var> ] ]<dd>List lines of program
<dt>NEW<dd>Clear program and variables
<dt>RUN [ <var>expr</var> ]<dd>Start program execution at line
</dl>
<h3>Native Platform Interaction <var>- NOT IMPLEMENTED</var></h3>
<dl>
<dt>HIMEM: <var>expr</var><dd>Set upper address of variable memory
<dt>IN# <var>expr</var><dd>Direct input from slot
<dt>LOMEM: <var>expr</var><dd>Set lower address of variable memory
<dt>WAIT <var>expr</var>, <var>expr</var> [, <var>expr</var>]<dd>Wait until memory location masked by second argument equals third argument (or zero)
</dl>
<h3>Cassette Tape <var>- NOT IMPLEMENTED</var></h3>
<dl>
<dt>LOAD<dd>Load program from cassette
<dt>RECALL<dd>Load variables from cassette
<dt>SAVE<dd>Save program to cassette
<dt>STORE<dd>Save variables to cassette
<dt>SHLOAD<dd>Load hires shape table from cassette
</dl>
<h3 id="Compatibility_Shims">Compatibility Shims</h3>
<dl>
<dt>SPEED= <var>expr</var><dd>Set character output delay - <em>has no effect</em>
<dt id="Poke">POKE <var>expr</var>, <var>expr</var><dd>Set memory location to value
<ul>
<li><code>POKE 32,<var>n</var></code> - Text window left edge
<li><code>POKE 33,<var>n</var></code> - Text window width
<li><code>POKE 34,<var>n</var></code> - Text window top edge
<li><code>POKE 35,<var>n</var></code> - Text window bottom
<li><code>POKE 36,<var>n</var></code> - Text cursor x
<li><code>POKE 37,<var>n</var></code> - Text cursor y
<li><code>POKE 216,<var>n</var></code> - ONERR flag (<var>n</var> &lt; 128 disables ONERR handler)
<li><code>POKE 230,<var>n</var></code> - Hi-Res plotting page (32 = page 1, 64 = page 2)
<li><code>POKE 49168,0</code> - clear keyboard strobe
<li><code>POKE 49200,0</code> - toggle speaker (no-op)
<li><code>POKE 49232,0</code> - graphics mode
<li><code>POKE 49233,0</code> - text mode
<li><code>POKE 49234,0</code> - full graphics
<li><code>POKE 49235,0</code> - split screen
<li><code>POKE 49238,0</code> - lores
<li><code>POKE 49239,0</code> - hires
</ul>
<dt id="Call">CALL <var>expr</var><dd>Call native routine
<ul>
<li><code>CALL -3100</code> - reveal hi-res page 1
<li><code>CALL -3086</code> - clear current hi-res page to black
<li><code>CALL -3082</code> - clear current hi-res page to current color
<li><code>CALL 54951</code> - clear stack (cancel pending <code>FOR</code>-<code>NEXT</code> loops and <code>GOSUB</code>s)
</ul>
<dt>PR# <var>expr</var><dd>Direct output to slot
<ul>
<li><code>PR#0</code> - set 40 column mode
<li><code>PR#3</code> - set 80 column mode
</ul>
</dl>
<!-- ================================================== -->
<h2>Functions</h2>
<!-- ================================================== -->
<h3>Numeric Functions</h3>
<dl>
<dt>ABS( <var>expr</var> )<dd>Absolute value of number
<dt>ATN( <var>expr</var> )<dd>Arctangent of number
<dt>COS( <var>expr</var> )<dd>Cosine of number
<dt>EXP( <var>expr</var> )<dd>Raise e to number
<dt>INT( <var>expr</var> )<dd>Integer part of number
<dt>LOG( <var>expr</var> )<dd>Natural log of number
<dt>RND( <var>expr</var> )<dd>Pseudo-random number generator (0 repeats last, negative reseeds)
<dt>SGN( <var>expr</var> )<dd>Sign of number (-1,0,1)
<dt>SIN( <var>expr</var> )<dd>Sine of number
<dt>SQR( <var>expr</var> )<dd>Square root of number
<dt>TAN( <var>expr</var> )<dd>Tangent of number
</dl>
<h3>String Functions</h3>
<dl>
<dt>LEN( <var>expr</var> )<dd>Length of string
<dt>LEFT$( <var>expr</var>, <var>expr</var> )<dd>Left portion of (string, length)
<dt>MID$( <var>expr</var>, <var>expr</var> [, <var>expr</var>] )<dd>Substring of (string, start character, length)
<dt>RIGHT$( <var>expr</var>, <var>expr</var> )<dd>Right portion of (string, length)
</dl>
<h3>Type Conversion Functions</h3>
<dl>
<dt>ASC( <var>expr</var> )<dd>ASCII code for first character of string
<dt>CHR$( <var>expr</var> )<dd>Character at specified ASCII code point<a href="#Extensions_CHR">[3]</a>
<dt>STR$( <var>expr</var> )<dd>String representation of number
<dt>VAL( <var>expr</var> )<dd>Parse string into number
</dl>
<h3>System Interaction Functions</h3>
<dl>
<dt>FRE( <var>expr</var> )<dd>Garbage collect strings (returns 0)
<dt>PDL( <var>expr</var> )<dd>Paddle position (paddle number)
<dt>POS( <var>expr</var> )<dd>Horizontal cursor position
<dt>SCRN( <var>expr</var>, <var>expr</var> )<dd>Lores color at pixel (x,y)
<dt>HSCRN( <var>expr</var>, <var>expr</var> )<dd>Hires color at pixel (x,y)<a href="#Extension_HSCRN">[4]</a>
<dt>USR( <var>expr</var> )<dd>Execute assembly code at address, return accumulator value <var>- NOT IMPLEMENTED</var>
</dl>
<h3>User Defined Functions</h3>
<dl>
<dt>FN <var>f</var>( <var>expr</var> )<dd>Execute user defined function <a href="#Extension_StringFuncs">[1]</a>
</dl>
<h3 id="Function_Compatibility_Shims">Function Compatibility Shims</h3>
<dl>
<dt id="peek">PEEK( <var>expr</var> )<dd>Value at memory location
<ul>
<li><code>PEEK(32)</code> - Text window left edge
<li><code>PEEK(33)</code> - Text window width
<li><code>PEEK(34)</code> - Text window top edge
<li><code>PEEK(35)</code> - Text window bottom
<li><code>PEEK(36)</code> - Text cursor x
<li><code>PEEK(37)</code> - Text cursor y
<li><code>PEEK(78)</code> &amp; <code>PEEK(79)</code> - Random-Number Field
<li><code>PEEK(222)</code> - Last error code
<li><code>PEEK(230)</code> - Hi-Res plotting page (32 = page 1, 64 = page 2)
<li><code>PEEK(49152)</code> - Read Keyboard
<li><code>PEEK(49168)</code> - Clear Keyboard strobe
<li><code>PEEK(49200)</code> - Click Speaker (no-op)
<li><code>PEEK(49248)</code> - Read Paddle Button #3 - <em>Use the PageDown key</em>
<li><code>PEEK(49249)</code> - Read Paddle Button #0 - <em>Use the Home key</em>
<li><code>PEEK(49250)</code> - Read Paddle Button #1 - <em>Use the End key</em>
<li><code>PEEK(49251)</code> - Read Paddle Button #2 - <em>Use the PageUp or Shift key</em>
</ul>
</dl>
<!-- ================================================== -->
<h2 id="Operators">Operators</h2>
<!-- ================================================== -->
<h3>Comparison Operators</h3>
<dl>
<dt>=<dd>Equality<a href="#Extensions_DoubleEquals">[2]</a>
<dt>&lt;<dd>Less than
<dt>&gt;<dd>Greater than
<dt>&lt;=<dt>=&lt;<dd>Less than or equal
<dt>&gt;=<dt>=&gt;<dd>Greater than or equal
<dt>&lt;&gt;<dt>&gt;&lt;<dd>Not equal
</dl>
<h3>Boolean Operators</h3>
<dl>
<dt>AND<dd>Conjunction
<dt>OR<dd>Disjunction
<dt>NOT<dd>Negation
</dl>
<h3>Arithmetic Operators</h3>
<dl>
<dt>^<dd>Exponentiation
<dt>*<dd>Multiplication
<dt>/<dd>Division
<dt>+<dd>Addition
<dt>-<dd>Subtraction
</dl>
<h3>String Operators</h3>
<dl>
<dt>+<dd>String Concatenation
</dl>
<!-- ================================================== -->
<h2>Error Codes</h2>
<!-- ================================================== -->
<p>Error codes can be determined by calling
<code>PEEK(222)</code> in an ONERR handler.</p>
<dl>
<dt>0<dd>Next without for
<dt>16<dd>Syntax error <em>- Not generated</em>
<dt>22<dd>Return without gosub
<dt>42<dd>Out of data
<dt>53<dd>Illegal quantity
<dt>69<dd>Overflow
<dt>77<dd>Out of memory <em>- Not generated by all browsers</em>
<dt>90<dd>Undefined statement
<dt>107<dd>Bad subscript
<dt>120<dd>Redimensioned array
<dt>133<dd>Division by zero
<dt>163<dd>Type mismatch
<dt>176<dd>String too long <em>- Not generated</em>
<dt>191<dd>Formula too complex <em>- Not generated by all browsers</em>
<dt>224<dd>Undefined function
<dt>254<dd>Re-enter
<dt>255<dd>Break
</dl>
<!-- ================================================== -->
<h2 id="DOSQuickReference">DOS 3.3 / ProDOS Quick Reference</h2>
<!-- ================================================== -->
<p>See also</p>
<ul>
<li><a href="http://www.xs4all.nl/~fjkraan/comp/apple2faq/app2doscmdfaq.html">Apple II DOS &amp; Commands FAQ</a>
<li><a href="http://www.textfiles.com/apple/ANATOMY/">Apple II Textfiles: the DOS 3.3 Anatomy</a>
<li><a href="http://vectronicsappleworld.com/appleii/dos.html">Vectronic's Apple World DOS 3.3 and ProDOS Guide</a>
</ul>
<h3>DOS Commands</h3>
<dl>
<dt>MON[,C][,I][,O]<dd>Traces DOS 3.3 commands ('Commands', 'Input' and 'Output')
<dt>NOMON[,C][,I][,O] <dd>Cancels tracing of DOS 3.3 commands ('Commands', 'Input' and 'Output')
<dt>OPEN <var>filename</var>[,L<var>len</var>] <dd>Opens a text file.
<dt>APPEND <var>filename</var> <dd>Appends to a text file.
<dt>CLOSE [<var>filename</var>] <dd>Closes specified (or all) open text files.
<dt>POSITION <var>filename</var>[,R<var>num</var>] <dd>Advances position in text file.
<dt>READ <var>filename</var>[,R<var>num</var>][,B<var>byte</var>] <dd>Reads from a text file.
<dt>WRITE <var>filename</var>[,R<var>num</var>][,B<var>byte</var>]<dd>Writes to a text file
<dt>DELETE <var>filename</var> <dd>Delete a file
<dt>RENAME <var>oldname</var>,<var>newname</var> <dd>Rename a file
<dt>PR# <var>slot</var> <dd>Same as the BASIC command
</dl>
<p><var>Other DOS commands are NOT IMPLEMENTED.</var></p>
<p>Some sample files are present in a server-side store loaded on-demand into a client-side virtual file system (VFS). Creating or writing to a file will write to the VFS. Subsequent reads will read from the VFS. Files may be deleted from the VFS. These changes will not persist if the browser is refreshed or closed.</p>
<h3>DOS Error Codes</h3>
<p>Error codes can be determined by calling
<code>PEEK(222)</code> in an ONERR handler.</p>
<dl>
<dt>1<dd>Language not available <em>- Not generated</em>
<dt>2<dd>Range error <em>- Not generated</em>
<dt>4<dd>Write protected <em>- Not generated</em>
<dt>5<dd>End of data
<dt>6<dd>File not found
<dt>7<dd>Volume mismatch <em>- Not generated</em>
<dt>8<dd>I/O error <em>- Not generated</em>
<dt>9<dd>Disk full <em>- Not generated</em>
<dt>10<dd>File locked <em>- Not generated</em>
<dt>11<dd>Invalid option
<dt>12<dd>No buffers available <em>- Not generated</em>
<dt>13<dd>File type mismatch <em>- Not generated</em>
<dt>14<dd>Program too large <em>- Not generated</em>
<dt>15<dd>Not direct command <em>- Not generated</em>
</dl>
<!-- ================================================== -->
<h2>Input and Output</h2>
<!-- ================================================== -->
<h3>Input</h3>
<p>
The page attempts to emulate an Apple II keyboard. Note that the keyboard
API available in Web browsers is not standardized and is poorly defined;
a best-effort has been made testing on available systems and browsers.
</p>
<p>
The <em>Open Apple</em> and <em>Closed Apple</em> keys on later Apple II models
correspond to the Button #0 and Button #1 inputs and are emulated on modern keyboards
with the <em>Home</em> and <em>End</em> keys respectively. (Unfortunately, browsers
are currently unable to distinguish the left and right <em>Alt</em> or <em>Command</em> keys.)
</p>
<p>
Since the <em>Tab</em> key is necessary for keyboard access to browser functions and
the rest of the web page, it is not available. Otherwise, special keys can be detected
using <code>GET</code> (blocking) or <code>PEEK(49152)</code> (non-blocking):
</p>
<table style="margin-left: 3em;">
<tr><td><code>CHR$(8)</code><td>Left arrow
<tr><td><code>CHR$(10)</code><td>Down arrow
<tr><td><code>CHR$(11)</code><td>Up arrow
<tr><td><code>CHR$(13)</code><td>Enter or Return
<tr><td><code>CHR$(21)</code><td>Right arrow
<tr><td><code>CHR$(24)</code><td>Clear
<tr><td><code>CHR$(27)</code><td>Escape
<tr><td><code>CHR$(127)</code><td>Delete or Backspace
</table>
<h3>Output</h3>
<p>
The page attempts to emulate the display of an Apple II system with
80-column card firmware, which can be activated with the
<code>PR#3</code> statement.
</p>
<p>
When printing characters, <code>CHR$</code> functions as expected for values
from 32-126 (printable ASCII). Control characters have the typical Apple II meanings:
</p>
<table style="margin-left: 3em;">
<tr><td><code>CHR$(4)</code><td>DOS command escape prefix
<tr><td><code>CHR$(7)</code><td>Make a "beep" (if your browser supports it)
<tr><td><code>CHR$(8)</code><td>Backspace (move cursor left, wrap up)
<tr><td><code>CHR$(10)</code><td>Line feed (move cursor down)
<tr><td><code>CHR$(13)</code><td>Carriage return (move cursor down and to left edge)
<tr><td><code>CHR$(127)</code><td>Displays a cursor glyph
</table>
<p>
If 80-column firmware is active, the following additional codes are available:
</p>
<table style="margin-left: 3em;">
<tr><td><code>CHR$(11)</code><td>Clears from the cursor position to the end of the window
<tr><td><code>CHR$(12)</code><td>Move cursor to upper left and clear window
<tr><td><code>CHR$(14)</code><td>Set normal text output
<tr><td><code>CHR$(15)</code><td>Set inverse text output
<tr><td><code>CHR$(17)</code><td>Set display to 40 columns
<tr><td><code>CHR$(18)</code><td>Set display to 80 columns
<tr><td><code>CHR$(21)</code><td>Deactivate the 80-column firmware
<tr><td><code>CHR$(22)</code><td>Scroll display down, preserving cursor position
<tr><td><code>CHR$(23)</code><td>Scroll display up, preserving cursor position
<tr><td><code>CHR$(24)</code><td>Disable mousetext
<tr><td><code>CHR$(25)</code><td>Move cursor to upper left (but don't clear window)
<tr><td><code>CHR$(26)</code><td>Clear the current line
<tr><td><code>CHR$(27)</code><td>Enable mousetext
<tr><td><code>CHR$(28)</code><td>Forward space (move cursor right, wrap down)
<tr><td><code>CHR$(29)</code><td>Clear from cursor position to end of line
</table>
<p>
The text window can be changed and cursor finely controlled
with <code>POKE 32,<var>n</var></code> ... <code>POKE 37,<var>n</var></code>
</p>
<!-- ================================================== -->
<h2>Process and Grammars</h2>
<!-- ================================================== -->
<p><var>For the even geekier in the audience...</var></p>
<p>Compilation is done by splitting the input into tokens which are then
consumed by a recursive descent parser which outputs a JavaScript
object representing the program.</p>
<p>The token types (treated as terminals) are
<code>reserved</code>,
<code>identifier</code>,
<code>string-literal</code>,
<code>number-literal</code>,
<code>operator</code>,
<code>line-number</code>,
<code>separator</code>,
<code>remark</code>,
<code>data-declaration</code>
- take a peek at the code if you want the gruesome details. Source lines may
only start with line numbers or (as an extension) separators. Special statement
parsing is done while lexing: <code>REM</code> consumes anything to the next
line break, and <code>DATA</code> statements yeild an array of strings
from the comma-delimited, optionally-quoted values in the source.
</p>
<ul>
<li><var>[x]</var> zero or one occurences of x
<li><var>{x}</var> zero or more occurences of x
<li><var>x | y</var> one of either x or y
<li><var>(x)</var> grouping construct
</ul>
<p>Overall program parsing is done with a recursive descent parser.</p>
<pre>
Program = Line { Line }
Line = line-number Statement { separator Statement }
Statement = data-declaration | remark | Command | EmptyStatement
Command = identifier /*...*/ | reserved /*...*/
</pre>
<p>Statements ("commands" in the above grammar) are parsed with distinct cases for each statement type.
Most statements compile into a function call to a library of Applesoft routines. Expressions are parsed
with a standard recursive descent parser. The parser generates JavaScript expressions for each expression,
which are used as arguments for the library calls.</p>
<pre>
Expression = OrExpression
OrExpression = AndExpression [ 'OR' AndExpression ... ]
AndExpression = RelationalExpression [ 'AND' RelationalExpression ... ]
RelationalExpression = AdditiveExpression [ ( '=' | '&lt;' | '&gt;' | '&lt;=' | '=&lt;' | '&gt;=' | '=&gt;' | '&lt;&gt;' | '&gt;&lt;' ) AdditiveExpression ... ]
AdditiveExpression = MultiplicativeExpression [ ( '+' | '-' ) MultiplicativeExpression ... ]
MultiplicativeExpression = PowerExpression [ ( '*' | '/' ) PowerExpression ... ]
PowerExpression = UnaryExpression [ '^' UnaryExpression ]
UnaryExpression = ( '+' | '-' | 'NOT' ) UnaryExpression
| FinalExpression
FinalExpression = number-literal
| string-literal
| 'FN' user_function_name '(' Expression ')'
| reserved '(' Expression [, Expression ...] ')'
| identifier [ '(' Expression [, Expression ...] ')' ]
| '(' Expression ')'
</pre>
<p>Since Applesoft supports re-entrant error handling and synchronous input,
the output of the compiler is an array of statement-functions plus a driver
function which implements the logic for walking over the array.<p>
<!-- ================================================== -->
<h2 id="Extensions">Extensions beyond Standard Applesoft</h2>
<!-- ================================================== -->
<ul style="list-style: none;">
<li id="Extension_StringFuncs">
[1] <code>DEF FN</code> supports string and integer functions
e.g. <code>DEF FN IN$(X$) = " " + X$</code>
(but return type must still match argument type)
<li id="Extension_DoubleEquals">
[2] <code>==</code> is supported for equality comparisons, in addition to <code>=</code>
<li id="Extension_CHR">
[3] When printing characters, <code>CHR$</code> values greater than 255 generate glyphs that might be useful for certain maze games.
<li id="Extension_HSCRN">
[4] <code>HSCRN(<var>x</var>, <var>y</var>)</code> is added to allow reading the
hires screen. On a real Apple this required a machine-language routine (or a shape table and XDRAW).
</ul>
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302
samples/TRADER C.txt Normal file
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10 GOTO 10000
100 REM EDITION OF 2 NOV 1985
1000 A$ = LEFT$ (A$ + " ",1): IF A$ = "?" OR A$ = "CHANGE" THEN INPUT "WHAT SHIP LETTER? > ";A$:A$ = LEFT$ ("A" + A$,1):TY = ASC (A$) - 64: GOSUB 1500
1030 RETURN
1500 PRINT CHR$ (4);"OPEN SHIPS, L100": PRINT CHR$ (4);"READ SHIPS, R";TY: INPUT SH$: PRINT CHR$ (4);"CLOSE": HOME : GOSUB 3000: PRINT FI$;" ";TI$;" ";NA$;: HTAB 30: PRINT " ";DA$: PRINT "5";BL$: VTAB 4: PRINT MID$ (SH$,69,15);" "; MID$ (SH$,52,15)
1600 TN = VAL ( MID$ (SH$,3,4)): PRINT "TONNAGE: ";TN;:A$ = "STREAMLINED":SL$ = MID$ (SH$,28,1): IF SL$ = "U" THEN A$ = "UN" + A$
1610 PRINT " ";A$: PRINT "PERFORMANCE: ";: PRINT "JUMP-"; MID$ (SH$,8,1);:JP = VAL ( MID$ (SH$,8,1)):PN = VAL ( MID$ (SH$,10,1)):NA$ = MID$ (SH$,52,15):G = VAL ( MID$ (SH$,9,1)): PRINT " ";G;"-G":FU = VAL ( MID$ (SH$,23,4)): PRINT "FUEL TANKAGE: ";FU:FY = FU:CH = VAL ( MID$ (SH$,18,4)): PRINT "CARGO HOLD: ";CH
1690 SR = VAL ( MID$ (SH$,12,2)): PRINT "STATEROOMS: ";SR:LP = VAL ( MID$ (SH$,15,2)): PRINT "LOW BERTHS: ";LP:CW = VAL ( MID$ (SH$,49,2)): PRINT "CREW: ";CW:SA = VAL ( MID$ (SH$,34,6)): PRINT "CREW SALARIES: ";SA:CS = VAL ( MID$ (SH$,41,7)): PRINT "SHIP COST: ";CS;" MCR"
1740 AL$ = MID$ (SH$,86,2): PRINT "ALLEGIANCE: ";AL$: PRINT "SERVICE: ";:SE = VAL ( MID$ (SH$,32,1)): PRINT SE$(SE): PRINT "OPERATIONS: ";:OP = VAL ( MID$ (SH$,30,1)):TI$ = SE$(OP): PRINT TI$: PRINT "PAYMENTS: ";:PA$ = MID$ (SH$,89,3):PA = VAL (PA$): IF LEFT$ (PA$,1) = "S" THEN PRINT "HALF OF REVENUES."
1820 IF VAL (PA$) > 0 THEN PRINT INT ((CS / 240) * 1E + 6);" FOR ";PA$;" MONTHS."
1830 IF LEFT$ (PA$,1) < > "S" AND VAL (PA$) < 1 THEN PRINT "PAID OFF."
1840 PRINT "CR FUND: ";CR:OV = (FU * 500) + ((CST / 480) * 1000000) + (LP * 100) + (SR * 2000) + (SAL / 2) + (CST * .001) + 100:OV = INT (OV): PRINT "MAX OVERHEAD: ";OV: VTAB 22: PRINT "<CR> ACCEPT SHIP. A-Z DISPLAYS OTHERS " : HTAB 1 : VTAB 23 : PRINT " / RETURNS TO SHIP LIST"
1882 INPUT "ACCEPT SHIP? > ";A$: IF LEFT$ (A$,1) = "" THEN 1920
1900 TY = ASC ( LEFT$ (A$,1)) - 64: IF TY < 1 OR TY > 26 THEN A$ = "/":CR = 0:OH = 0: GOTO 1920
1910 GOTO 1500
1920 RETURN
2000 PRINT CHR$ (4);"OPEN ";FI$;",L50": PRINT CHR$ (4);"READ ";FI$;",R";A: INPUT A$: IF OP < > 6 THEN 2110
2050 IF XL = 0 THEN 2110
2060 IF MID$ (A$,42,1) < > "*" THEN CR = CR + 50000
2070 A$ = LEFT$ (A$,41) + "*" + " ": PRINT CHR$ (4);"WRITE ";FI$;",R";A: PRINT A$:XR = XR - 1
2110 PRINT CHR$ (4);"CLOSE": RETURN
3000 IF DA = 0 THEN 3060
3020 DD = DD + 1:DA = DA - 1: IF DD / 28 = INT (DD / 28) AND PA < > 0 THEN CR = CR - ((CST * 1E + 6) / 480):PA = PA - 1
3040 IF DD / 28 = INT (DD / 28) THEN CR = CR - SAL
3050 IF DA > 0 THEN 3020
3060 IF DD > 365 THEN YR = YR + 1:DD = DD - 365:MNT = 1
3070 DA$ = RIGHT$ ("00" + STR$ (DD),3) + "-" + STR$ (YR): RETURN
4000 P2 = VAL ( MID$ (A1$,10,1)): IF P2 = 0 AND ( MID$ (A1$,10,1)) < > "0" THEN P2 = ASC ( MID$ (A1$,10,1)) - 55
4020 T2 = VAL ( MID$ (A1$,14,1)): IF T2 = 0 AND ( MID$ (A1$,14,1)) < > "0" THEN T2 = ASC ( MID$ (A1$,14,1)) - 55
4030 P1 = VAL ( MID$ (A$(0),10,1)): IF P1 = 0 AND ( MID$ (A$(0),10,1)) < > "0" THEN P1 = ASC ( MID$ (A$(0),10,1)) - 55
4040 T1 = VAL ( MID$ (A$(0),14,1)): IF T1 = 0 AND ( MID$ (A$(0),14,1)) < > "0" THEN T1 = ASC ( MID$ (A$(0),14,1)) - 55
4050 TZ = 0: IF MID$ (A1$,36,1) = "A" THEN TZ = 1
4060 IF MID$ (A1$,36,1) = "R" THEN TZ = 2
4070 RETURN
5000 D = FN B(8) + BR: IF D > 15 THEN D = 15
5050 IF D < 2 THEN D = 2
5060 AV = AV(D):CD = AV * CC * (1 - (BR * .05)):CC = CD * B: RETURN
6000 FL = 0:J = JP: FOR FL = 1 TO 169:FL(FL) = 0:J(FL) = 0: NEXT :FL = 0: FOR M = 7 - J TO 7 + J:X = XC - 7 + M: FOR N = 7 - J TO 7 + J:Y = YC - 7 + N: IF X < 1 OR X > 32 THEN 6200
6120 IF Y < 1 OR Y > 40 THEN 6200
6130 IF PO(X,Y) = 0 THEN 6200
6140 IF X = XC AND Y = YC THEN 6200
6150 IF OP > 7 AND PO(X,Y) > 0 THEN 6200
6160 IF XC / 2 = INT (XC / 2) THEN 6190
6170 IF OD(N,M) = < J THEN FL = FL + 1:J(FL) = OD(N,M):FL(FL) = PO(X,Y): GOTO 6200
6180 GOTO 6200
6190 IF OD(14 - N,M) = < J THEN FL = FL + 1:J(FL) = OD(14 - N,M):FL(FL) = PO(X,Y): GOTO 6200
6200 VTAB 11: HTAB 2: PRINT " "; RIGHT$ ("0" + STR$ (X),2); RIGHT$ ("0" + STR$ (Y),2):FL(FL) = ABS (FL(FL)): NEXT : NEXT : RETURN
7000 CC = 4000: FOR X = 18 TO 33 STEP 3: IF MID$ (A1$,X,2) = " " THEN 7090
7040 FOR X1 = 1 TO 23 STEP 2: IF X1 > 10 THEN 7070
7060 IF MID$ (A1$,X,2) = MID$ ("AGASHIINPO",X1,2) THEN CC = CC - 1000: GOTO 7080
7065 IF X1 < 11 THEN 7080
7070 IF MID$ (A1$,X,2) = MID$ ("BADEFLLONIVARI",X1 - 10,2) THEN CC = CC + 1000: GOTO 7080
7080 NEXT
7090 NEXT : TL = VAL ( MID$ (A1$,14,1)): IF TL = 0 AND MID$ (A1$,14,1) = "0" THEN TL = 0: GOTO 7110
7103 IF TL > 0 AND TL < 10 THEN 7110
7105 TL = ASC ( MID$ (A1$,14,1)) - 55: IF TL > 19 THEN TL = TL - 1: IF TL > 24 THEN TL = TL - 1
7110 CC = CC + (TL * 100):ST$ = MID$ (A1$,6,1): IF ST$ = "A" THEN CC = CC - 1000
7140 IF ST$ = "C" THEN CC = CC + 1000
7150 IF ST$ = "D" THEN CC = CC + 2000
7160 IF ST$ = "E" THEN CC = CC + 3000
7170 IF ST$ = "X" THEN CC = CC + 5000
7180 CA$ = ST$ + "-" + MID$ (HE$,TL + 1,1) + " " + MID$ (A1$,18,15) + " CR" + STR$ (CC):A$ = CA$: RETURN
8000 CC = 5000: FOR X = 5 TO 20 STEP 3: IF MID$ (B$,X,2) = " " THEN 8620
8040 FOR Y = 5 TO 20 STEP 3: IF MID$ (A$,Y,2) = "BA" THEN CC = CC - 2000: GOTO 8600
8060 IF MID$ (A$,Y,2) = " " THEN 8600
8070 IF MID$ (B$,X,2) < > "AG" THEN 8110
8080 FOR Z = 1 TO 15 STEP 2: IF MID$ (A$,Y,2) = MID$ ("AGASDEHIINLONARI",Z,2) THEN CC = CC + 1000
8100 NEXT
8110 IF MID$ (B$,X,2) < > "AS" THEN 8150
8120 FOR Z = 1 TO 9 STEP 2: IF MID$ (A$,Y,2) = MID$ ("ASINNARIVA",Z,2) THEN CC = CC + 1000
8140 NEXT
8150 IF MID$ (B$,X,2) < > "BA" THEN 8190
8160 FOR Z = 1 TO 3 STEP 2: IF MID$ (A$,Y,2) = MID$ ("AGIN",Z,2) THEN CC = CC + 1000
8180 NEXT
8190 IF MID$ (B$,X,2) < > "DE" THEN 8230
8200 FOR Z = 1 TO 3 STEP 2: IF MID$ (A$,Y,2) = MID$ ("DENA",Z,2) THEN CC = CC + 1000
8220 NEXT
8230 IF MID$ (B$,X,2) < > "FL" THEN 8270
8240 FOR Z = 1 TO 3 STEP 2: IF MID$ (A$,Y,2) = MID$ ("FLIN",Z,2) THEN CC = CC + 1000
8260 NEXT
8270 IF MID$ (B$,X,2) < > "HI" THEN 8310
8280 FOR Z = 1 TO 3 STEP 2: IF MID$ (A$,Y,2) = MID$ ("HILORI",Z,2) THEN CC = CC + 1000
8300 NEXT
8310 IF MID$ (B$,X,2) = "IC" AND MID$ (A$,Y,2) = "IN" THEN CC = CC + 1000
8320 IF MID$ (B$,X,2) < > "IN" THEN 8360
8330 FOR Z = 1 TO 21 STEP 2: IF MID$ (A$,Y,2) = MID$ ("AGASFLHILONIPORI",Z,2) THEN CC = CC + 1000
8350 NEXT
8360 IF MID$ (B$,X,2) < > "LO" THEN 8400
8370 FOR Z = 1 TO 3 STEP 2: IF MID$ (A$,Y,2) = MID$ ("INRI",Z,2) THEN CC = CC + 1000
8390 NEXT
8400 IF MID$ (B$,X,2) < > "NA" THEN 8440
8410 FOR Z = 1 TO 7 STEP 2: IF MID$ (A$,Y,2) = MID$ ("AGASDEVA",Z,2) THEN CC = CC + 1000
8430 NEXT
8440 IF MID$ (B$,X,2) < > "NI" THEN 8470
8450 IF MID$ (A$,Y,2) = "IN" THEN CC = CC + 1000
8460 IF MID$ (A$,Y,2) = "NI" THEN CC = CC - 1000
8470 IF MID$ (B$,X,2) = "PO" AND MID$ (A$,Y,2) = "PO" THEN CC = CC - 1000
8480 IF MID$ (B$,X,2) < > "RI" THEN 8520
8490 FOR Z = 1 TO 11 STEP 2: IF MID$ (A$,Y,2) = MID$ ("AGDEHIINNARI",Z,2) THEN CC = CC + 1000
8510 NEXT
8520 IF MID$ (B$,X,2) < > "VA" THEN 8560
8530 FOR Z = 1 TO 5 STEP 2: IF MID$ (A$,Y,2) = MID$ ("ASINVA",Z,2) THEN CC = CC + 1000
8550 NEXT
8560 IF MID$ (B$,X,2) < > "WA" THEN 8600
8570 FOR Z = 1 TO 5 STEP 2: IF MID$ (A$,Y,2) = MID$ ("INRIWA",Z,2) THEN CC = CC + 1000
8590 NEXT
8600 REM
8610 NEXT
8620 NEXT :TR = VAL ( MID$ (B$,3,1)): IF TR = 0 AND MID$ (B$,3,1) = "0" THEN TR = 0: GOTO 8640
8635 TR = ASC ( MID$ (B$,3,1)) - 55: IF TR > 19 THEN TR = TR - 1: IF TR > 24 THEN TR = TR - 1
8640 TT = (TR - TL) * .1: IF TT = < - 1 THEN CC = 0: GOTO 8670
8660 CC = CC + (CC * TT)
8670 IF CC < 0 THEN CC = 0
8680 RETURN
9000 DM = (T1 - T2) + ( - 3 * (P2 < 5)) + (3 * (P2 > 7)) + (TZ * - 6):PH = 0:PM = 0:PL = 0:CG = 0: ON P1 GOTO 9060,9070,9080,9090,9100,9110,9120,9130,9140,9150
9050 GOTO 9160
9060 PM = FN A(6) + DM - 2:PL = FN B(6) + DM - 6: GOTO 9160
9070 PH = FN A(6) + DM - FN A(6):PM = FN A(6) + DM:PL = FN B(6) + DM: GOTO 9160
9080 PH = FN B(6) + DM - FN B(6):PM = FN B(6) + DM - FN A(7):PL = FN B(6) + DM: GOTO 9160
9090 PH = FN B(6) + DM - FN A(6):PM = FN B(6) + DM - FN A(7):PL = FN C(6) + DM - FN A(5): GOTO 9160
9100 PH = FN B(6) + DM - FN A(6):PM = FN C(6) + DM - FN B(7):PL = FN C(6) + DM - FN A(5): GOTO 9160
9110 PH = FN C(6) + DM - FN B(6):PM = FN C(6) + DM - FN B(7):PL = FN C(6) + DM: GOTO 9160
9120 PH = FN C(6) + DM - FN B(6):PM = FN C(6) + DM - FN A(7):PL = FN C(6) + DM: GOTO 9160
9130 PH = FN C(6) + DM - FN A(6):PM = FN C(6) + DM - FN A(7):PL = FN B(6) + FN B(8) + DM: GOTO 9160
9140 PH = FN C(6) + DM - FN A(6):PM = FN C(6) + DM:PL = FN B(6) + FN B(8) + FN A(5) + DM: GOTO 9160
9150 PH = FN C(6) + DM:PM = FN B(6) + FN B(5) + DM:PL = FN B(6) + FN B(8) + FN B(5) + DM: GOTO 9160
9160 PH = PH + V1:PM = PM + V2:PL = PL + V3: IF PH < 0 THEN PH = 0
9170 IF OP > 8 OR OP < 7 THEN PH = 0:PM = 0:PL = 0:CG = 0
9180 IF PM < 0 THEN PM = 0
9190 IF PL < 0 THEN PL = 0
9210 DM = (T1 - T2) + ( - 4 * (P2 < 5)) + (1 * (P2 > 7)):CG = 0:K1 = FN A(5):K2 = FN A(6):K3 = FN A(7): IF TZ = 2 THEN CG = 0: GOTO 9510
9240 IF TZ = 1 THEN ON P1 GOTO 9280,9300,9320,9340,9360,9380,9410,9430,9460,9490
9250 ON P1 GOTO 9270,9290,9310,9330,9350,9370,9400,9420,9450,9480
9260 CG = 0: GOTO 9510
9270 CG = 10 * (K1 + DM - 4)
9280 CG = CG + 5 * (K2 + DM - 4 + V4): GOTO 9510
9290 CG = 10 * (K1 + DM - 2)
9300 CG = CG + 5 * (K2 + DM - 1 + V4): GOTO 9510
9310 CG = 10 * (K1 + DM - 1)
9320 CG = CG + 5 * (K2 + DM + V4): GOTO 9510
9330 CG = 10 * (K1 + DM)
9340 CG = CG + 5 * (K2 + DM + 1 + V4): GOTO 9510
9350 CG = 10 * (K1 + DM + 1)
9360 CG = CG + 5 * (K2 + DM + 2 + V4): GOTO 9510
9370 CG = 10 * (K1 + DM + 2)
9380 CG = CG + 5 * (K2 + DM + 3 + V4):CG = CG + (K3 + DM - 3): GOTO 9510
9400 CG = 10 * (K1 + DM + 3)
9410 CG = CG + 5 * (K2 + DM + 4 + V4):CG = CG + (K3 + DM - 3): GOTO 9510
9420 CG = 10 * (K1 + DM + 4)
9430 CG = CG + 5 * (K2 + DM + 5 + V4):CG = CG + (K3 + DM - 2): GOTO 9510
9450 CG = 10 * (K1 + DM + 5)
9460 CG = CG + 5 * (K2 + DM + 6 + V4):CG = CG + (K3 + DM - 2): GOTO 9510
9480 CG = 10 * (K1 + DM + 6)
9490 CG = CG + 5 * (K2 + DM + 7 + V4):CG = CG + (K3 + DM)
9510 IF CG < 0 THEN CG = 0
9520 RETURN
10000 SP = 255: REM
10001 HOME :FI$ = "SPINWARD": VTAB 4: PRINT "USE SECTOR: > ";FI$: VTAB 4: INPUT "USE SECTOR: > ";F$: IF F$ < > "" THEN FI$ = F$
10012 PRINT : PRINT "READING SECTOR...": PRINT CHR$ (4);"MONICO": PRINT CHR$ (4);"OPEN ";FI$;".MAP,L7": PRINT CHR$ (4);"READ ";FI$;".MAP,R0": INPUT R: DIM HX$(R),AV(15),PO(32,40),OD(13,13),FL(169),J(169),A$(169): FOR Z = 1 TO R: VTAB 15: PRINT CHR$ (4);"READ ";FI$;".MAP,R";Z: INPUT A$:X = VAL ( LEFT$ (A$,2)):Y = VAL ( MID$ (A$,3,2)):PO(X,Y) = Z
10032 IF MID$ (A$,5,1) = "T" THEN PO(X,Y) = PO(X,Y) * ( - 1)
10034 HX$(Z) = LEFT$ (A$,4): NEXT : PRINT CHR$ (4);"CLOSE": PRINT CHR$ (4);"NOMONICO":DA = 1:YR = 1107:DA$ = "001-1107": DEF FN A(N) = INT ( RND (5) * 6) + 1: DEF FN B(N) = FN A(N) + FN A(N): DEF FN C(N) = FN B(N) + FN A(N): DEF FN D(N) = FN C(N) + FN A(N):BL$ = "------------------------------------"
10170 TEXT : HOME : PRINT FI$;" ";TI$;" ";NA$;: HTAB 30: PRINT " ";DA$: PRINT "0";BL$: PRINT CHR$ (4);"OPEN OD JUMP": PRINT CHR$ (4);"READ OD JUMP": FOR X = 1 TO 13: FOR Y = 1 TO 13: INPUT OD(X,Y): NEXT : NEXT : PRINT CHR$ (4);"CLOSE": PRINT CHR$ (4);"OPEN DATAFILE": PRINT CHR$ (4);"READ DATAFILE": INPUT HE$: FOR X = 0 TO 9: INPUT SE$(X): NEXT : FOR X = 1 TO 15: INPUT AV(X): NEXT : PRINT CHR$ (4);"CLOSE"
20000 REM
20010 HOME : GOSUB 3000: PRINT FI$;" ";TI$;" ";NA$;: HTAB 30: PRINT " ";DA$: PRINT "1";BL$: PRINT CHR$ (4);"OPEN SHIPS, L100": FOR X = 0 TO 25 STEP 2: PRINT CHR$ (4);"READ SHIPS, R";X + 1: INPUT A$: VTAB (X / 2) + 4: PRINT CHR$ (X + 65);" "; MID$ (A$,69,16): PRINT CHR$ (4);"READ SHIPS, R";X + 2: INPUT A$: VTAB (X / 2) + 4: HTAB 20: PRINT CHR$ (X + 66);" "; MID$ (A$,69,16): NEXT : PRINT CHR$ (4);"CLOSE"
20150 PRINT : INPUT "SELECT YOUR SHIP? > ";A$:A$ = LEFT$ (A$ + "A",1):TY = ASC (A$) - 64: IF TY < 1 OR TY > 26 THEN 20150
20170 GOSUB 1500: IF A$ = "/" THEN 20000
20175 HOME : PRINT "SHIP CHARACTERISTICS": PRINT BL$: INPUT "SHIP NAME? > ";A$: IF A$ = "" THEN 20200
20190 NA$ = A$
20200 PRINT "CREW SKILLS: ": INPUT " STEWARD- ";A$: GOSUB 1000:V1 = VAL (A$):SA = SA + (V1 * 300): INPUT " ADMIN- ";A$: GOSUB 1000:V2 = VAL (A$): INPUT " STREETWISE- ";A$: GOSUB 1000:V3 = VAL (A$): INPUT " LIAISON- ";A$: GOSUB 1000:V4 = VAL (A$): INPUT "CREDIT BALANCE? > ";CR$:CR = VAL (CR$)
20300 VTAB 13: PRINT "STARTPOINT? (0000) > ";HX$(SP)
20310 VTAB 13: INPUT "STARTPOINT? (0000) > ";A$: IF A$ = "" THEN 20381
20320 A$ = RIGHT$ ("0000" + A$,4):X = VAL ( LEFT$ (A$,2)):Y = VAL ( RIGHT$ (A$,2)): IF Y < 1 OR Y > 40 OR X < 1 OR X > 32 THEN 20310
20360 IF PO(X,Y) < > 0 THEN SP = ABS (PO(X,Y))
20370 IF PO(X,Y) = 0 THEN PRINT "INVALID STARTPOINT.": GOTO 20300
20380 PRINT "NEW STARTPOINT: ";HX$(SP)
20381 VTAB 15: PRINT "DATE? (000-0000) > ";DA$: VTAB 15: INPUT "DATE? (000-0000) > ";A$: IF A$ = "" THEN 20390
20383 DD = VAL ( LEFT$ (A$,3)): IF DD < 1 OR DD > 365 THEN 20381
20385 YR = VAL ( MID$ (A$,5)): GOSUB 3000: PRINT "DATE: ";DA$
20390 PRINT : PRINT "PROCESSING...":A = SP
30020 X = FRE (X): HOME : GOSUB 3000: PRINT FI$;" ";TI$;" ";NA$;: HTAB 30: PRINT " ";DA$: PRINT "2";BL$: GOSUB 2000:XC = VAL ( LEFT$ (A$,2)):YC = VAL ( MID$ (A$,3,2)): PRINT "SYSTEM: "; LEFT$ (A$,14);:A$(0) = A$: HTAB 30: PRINT MID$ (A$,33): PRINT "OVERHEAD: "; INT (OH);" (MAX= ";OV;"). ": PRINT "CR BALANCE: "; INT (CR);: IF UF > 0 THEN PRINT " UNREFINED FUEL.";
30120 PRINT :A1$ = A$(0): IF MSG = 1 AND CG$ = HX$(A) THEN PRINT "MESSAGE DELIVERED.":MSG = 0:BB$ = "":CG$ = ""
30150 IF OP = 5 AND MSG = 1 THEN PRINT "MESSAGE TO: ";BB$
30160 IF OP = 6 THEN PRINT XR;" UNSURVEYED WORLDS."
30180 GOSUB 7000: IF B < > 0 THEN PRINT "CARGO: ";CG$: GOTO 30220
30200 PRINT "CARGO HERE: ";CA$:B$ = CA$
30220 PRINT "FARES RCVD: ";(PH * 10000) + (PM * 8000) + (PL * 1000) + (CG * 1000): PRINT "FARES- HI "; SPC( PH < 10);PH;" MD "; SPC( PM < 10);PM;" LO "; SPC( PL < 10);PL;" CG "; SPC( CG < 10); SPC( CG < 100);CG: VTAB 11: PRINT "--------------DESTINATIONS-------------": GOSUB 6000
30260 VTAB 12: PRINT " # HEX SHGZB AL PRICE PROFIT FARES?": PRINT "--";BL$: IF FL = 0 THEN PRINT "YOUR SHIP CAN'T REACH ANY WORLDS.": END
30280 PRINT CHR$ (4);"OPEN ";FI$;",L50"
30290 I = 1:I1 = 1
30300 PRINT CHR$ (4);"READ ";FI$;",R";FL(I): INPUT A1$: PRINT CHR$ (4):XPL = 0: IF MID$ (A1$,42,1) = "*" OR MID$ (A1$,16,1) = "S" OR MID$ (A1$,16,1) = "W" OR MID$ (A1$,16,1) = "A" OR MID$ (A1$,16,1) = "B" THEN XPL = 1
30350 E$ = MID$ (A1$,6,1):F$ = " ": IF VAL ( MID$ (A1$,9,1)) > 0 AND MID$ (A1$,8,1) > "1" THEN F$ = "O"
30380 IF VAL ( MID$ (A1$,9,1)) > 0 AND MID$ (A1$,8,1) < "2" THEN F$ = "I"
30390 E$ = E$ + F$ + MID$ (A1$,38,1) + MID$ (A1$,36,1) + MID$ (A1$,16,1) + " " + MID$ (A1$,33,2) + " ": GOSUB 4000: IF OP = 5 AND MSG = 0 AND ( MID$ (A1$,16,1) = "N" OR MID$ (A1$,16,1) = "A") THEN MSG = 1:BB$ = HX$( INT ( RND (R) * R) + 1)
30420 IF OP = 9 OR OP = 5 OR OP = 6 THEN 30470
30430 GOSUB 7000: IF B < > 0 THEN CC = VAL ( MID$ (CG$,23)):B$ = CG$
30450 GOSUB 8000: GOSUB 9000
30470 A$(I) = A$:CA = VAL ( MID$ (B$,23)): VTAB I1 + 13: PRINT SPC( I < 10);I;". ";: PRINT HX$(FL(I));" ";: IF OP = 6 AND XPL = 0 THEN PRINT " UNSURVEYED.": GOTO 30670
30530 PRINT E$;: IF SL$ = "U" AND ( MID$ (A1$,6,1) > "C" AND MID$ (A1$,38,1) < > "G") THEN PRINT "INACCESSIBLE.": GOTO 30680
30550 IF OP > 7 AND MID$ (A1$,40,1) = " " THEN PRINT "NOT A TRADEWORLD.": GOTO 30680
30560 IF OP = 5 AND MSG = 1 AND HX$(FL(I)) = BB$ THEN PRINT "MESSAGE ADDRESSEE.": GOTO 30670
30570 IF OP = 9 OR OP = 5 OR OP = 6 THEN PRINT " ": GOTO 30670
30580 G$ = RIGHT$ (" " + STR$ ( INT (CC)),6): HTAB 19: PRINT G$;:G$ = RIGHT$ (" " + STR$ ( INT (CC - CA)),6): HTAB 25: PRINT G$;" ";: IF PH > SR - CW THEN PH = SR - CW
30620 IF PM > SR - (CW + PH) THEN PM = SR - (CW + PH)
30630 IF PL > LP THEN PL = LP
30640 IF CG > CH THEN CG = CH
30650 PF = (PH * 10000) + (PM * 8000) + (PL * 1000) + (CG * 1000): HTAB 33: PRINT SPC( PF < 10); SPC( PF < 100); SPC( PF < 1000); SPC( PF < 10000); SPC( PF < 100000); INT (PF)
30670 GOTO 30710
30680 PRINT CHR$ (4): IF I = FL THEN 30760
30700 IF FL(I + 1) = 0 THEN 30760
30710 IF I = FL THEN 30760
30720 IF I1 < 6 THEN I1 = I1 + 1:I = I + 1: GOTO 30300
30730 VTAB 21: INPUT "SHOW MORE? (Y/N) > ";A$: GOSUB 1000: IF A$ < > "Y" THEN 30760
30750 I1 = 1:I = I + 1: GOTO 30300
30760 VTAB 21: INPUT "WHAT DESTINATION? > ";A$: IF A$ = "A" THEN 30290
30780 IF A$ = "" THEN 30760
30790 DE = VAL (A$): IF DE > FL OR DE < 1 THEN 30730
30800 JF = J(DE):DE = FL(DE): VTAB 11: HTAB 33: PRINT HX$(DE): IF OP = 9 OR OP = 5 THEN DA = DA + 1: GOTO 31230
30830 IF OP = 6 THEN DA = DA + 7: GOTO 31230
30850 A = DE: GOSUB 2000:A1$ = A$: GOSUB 4000: GOSUB 9000: IF PH > SR - CW THEN PH = SR - CW
30910 IF PM > SR - (CW + PH) THEN PM = SR - (CW + PH)
30920 IF PL > LP THEN PL = LP
30930 IF CG + B > CH THEN CG = CH - B
30940 VTAB 21: INPUT "BOARD PASSENGERS & FREIGHT? > ";A$: GOSUB 1000: IF A$ = "W" THEN INPUT "WAIT HOW MANY DAYS? > ";A$: GOSUB 1000:DA = DA + VAL (A$): GOTO 30940
30942 IF A$ = "N" THEN PH = 0:PM = 0:PL = 0:CG = 0: GOTO 31000
30944 IF A$ = "P" THEN CG = 0
30946 IF A$ = "F" THEN PH = 0:PM = 0:PL = 0
30950 PF = (PH * 10000) + (PM * 8000) + (PL * 1000) + (CG * 1000): IF MID$ (SH$,89,1) = "S" THEN CR = CR + INT (PF / 2): GOTO 30980
30970 CR = CR + PF
30980 PRINT "FARES= ";PF;: IF MID$ (SH$,89,1) = "S" THEN PRINT " LESS 50% FOR SUBSIDY.";
30990 PRINT
31000 VTAB 23: PRINT "HI: ";PH;" MID: ";PM;" LOW: ";PL;" CARGO: ";CG;" TONS.": IF B < > 0 THEN 31200
31020 IF CR < CC THEN 31200
31030 IF CG + B = CH THEN 31200
31040 VTAB 21: CALL - 868: INPUT "BUY GOODS? > ";A$: GOSUB 1000: IF A$ < > "Y" THEN 31220
31050 IF A$ = "Y" THEN VTAB 21: CALL - 868: INPUT "HOW MANY TONS? > ";A$
31060 IF A$ = "" THEN A$ = "9999"
31070 BC = VAL (A$): IF BC < 1 THEN BC = 0: GOTO 31190
31080 BA = CH - CG:A1$ = A$(0): GOSUB 7000:BB = INT (CR / CC): IF (BC > BA) THEN BC = BA
31130 IF BC > BB THEN BC = BB
31140 B$ = A$:CG$ = B$:CW$ = A$(0):CR = CR - (BC * CC): VTAB 21: HTAB 20: PRINT " ";BC;" FOR ";(BC * CC)
31190 HTAB 20: INPUT "ADVANCE DELIVERY? > ";A$: GOSUB 1000: IF A$ = "Y" THEN CR = CR - (.2 * (BC * CC)):DA = DA + 3: GOTO 31230
31200 REM
31210 IF PM = 0 AND PH = 0 AND PL = 0 AND CG = 0 AND BC = 0 THEN INPUT "LEAVE IMMEDIATELY? > ";A$: GOSUB 1000: IF A$ = "Y" THEN DA = DA + 1: GOTO 31230
31220 DA = DA + 5
31230 REM
31240 A = DE:XF = VAL ( LEFT$ (A1$,2)):YF = VAL ( MID$ (A1$,3,2)):FY = FY - ((JF * TN / 10) + (10 * PN)): IF FY < 0 AND MID$ (B$,5,5) = "HI IN" THEN FY = FY + B:B$ = " ":B = 0
31290 DA = DA + 9:A = DE: GOSUB 2000:XC = VAL ( LEFT$ (A$,2)):YC = VAL ( MID$ (A$,3,2)):A$(0) = A$: IF SE = 1 OR SE = 2 THEN 40000
31370 Z1 = FN B(5) + (UF > 0) + (MNT > 0): IF Z1 < 13 THEN 40000
31380 PRINT "MISJUMP (";Z1;"): ";:X = INT ( RND (6) * 32) + 1:Y = INT ( RND (4) * 40) + 1:A = PO(X,Y): IF A = 0 THEN PRINT NA$;" IS LOST IN DEEP SPACE (HEX ";X;Y;"). ALL CARGO, CREW, AND PASSENGERS ARE LOST."
31420 A = ABS (A): IF A < > 0 THEN 31440
31430 IF A < > 0 THEN PRINT "SHIP IS THROWN TO "; LEFT$ (A$,4);"."
31440 INPUT "CONTINUE? > ";Z$: IF DE < > A AND LEFT$ (Z$ + " ",1) = "I" THEN 40000
31460 DE = A: IF A = 0 THEN END
40000 REM
40010 CR = CR - ((CW + PH + PM) * 2000) + (LP * 100): HOME : GOSUB 3000: VTAB 1: PRINT FI$;" ";TI$;" ";NA$;: HTAB 30: PRINT " ";DA$: PRINT "3";BL$: PRINT "LIFE SUPPORT COSTS: ";((CW + PH + PM) * 2000) + (LP * 100): PRINT "FUEL USED: ";FU - FY:A = DE:XL = 1: GOSUB 2000:XL = 0:A$ = A$(0): PRINT "SYSTEM: "; LEFT$ (A$,14);
40140 HTAB 30: PRINT MID$ (A$,33,2);" "; MID$ (A$,36,1): IF OP = 9 AND MID$ (A$,40,1) < > " " THEN PRINT "XBOAT TENDER REFUELS SHIP.":FY = FU:DA = DA + 1: GOTO 40440
40160 IF ( MID$ (A$(0),16,1) = "S" OR MID$ (A$(0),16,1) = "W" OR MID$ (A$(0),16,1) = "A" OR MID$ (A$(0),16,1) = "B") AND SE = 2 THEN PRINT "SCOUT BASE REFUELS SHIP.":FY = FU: GOTO 40440
40170 IF ( MID$ (A$(0),16,1) = "N" OR MID$ (A$(0),16,1) = "D" OR MID$ (A$(0),16,1) = "A" OR MID$ (A$(0),16,1) = "B") AND SE = 1 THEN PRINT "NAVAL BASE REFUELS SHIP.":FY = FU: GOTO 40440
40180 PRINT "GAS GIANT: ";:C$ = "ABSENT.":GG = 0: IF MID$ (A$(0),38,1) = "G" THEN C$ = "PRESENT.":GG = 1
40190 PRINT C$;: IF SL$ = "U" THEN PRINT : GOTO 40270
40210 HTAB 22: PRINT "OCEANS: ";:C$ = "ABSENT. ":HY = 0: IF ASC ( MID$ (A$(0),9,1)) > 48 AND ASC ( MID$ (A$(0),8,1)) < 50 THEN C$ = "ICE-CAPPED.":HY = 2
40250 IF ASC ( MID$ (A$(0),9,1)) > 48 AND VAL ( MID$ (A$(0),8,1)) > 1 THEN C$ = "PRESENT. ":HY = 1
40260 PRINT C$
40270 IF GG = 1 THEN INPUT "SKIM GAS GIANT? > ";A$
40280 GOSUB 1000: IF A$ = "Y" THEN DA = DA + 2:FY = FU:UF = UF + 1: GOTO 40430
40290 IF HY = 1 AND SL$ < > "U" THEN INPUT "OCEAN REFUEL? > ";A$
40300 GOSUB 1000: IF A$ = "Y" THEN DA = DA + 1:FY = FU:UF = UF + 1: GOTO 40430
40310 IF HY = 2 THEN INPUT "ICECAP REFUEL? > ";A$
40320 GOSUB 1000: IF A$ = "Y" THEN DA = DA + 4:FY = FU:UF = UF + 1: GOTO 40430
40330 IF FY > = FU THEN 40440
40340 RF = 0: IF MID$ (A$(0),6,1) = "A" OR MID$ (A$(0),6,1) = "B" THEN RF = 1
40350 IF RF = 1 THEN PRINT "REFINED AND ";
40360 PRINT "UNREFINED FUEL AVAILABLE.": IF MID$ (SH$,28,1) = "U" AND MID$ (A$(0),6,1) > "C" THEN PRINT "SURFACE REFUELLING FACILITIES ARE INACCESSIBLE. REFUELLING TAKES 14 DAYS.":DA = 14: GOSUB 3000:UF = UF + 1:FY = FU: GOTO 40440
40380 INPUT "REFUEL WITH (R/U) > ";A$:A$ = LEFT$ (A$ + "R",1): IF A$ = "R" AND RF = 0 THEN A$ = "U"
40400 IF A$ = "R" THEN CF = (FU - FY) * 500:FY = FU:UF = UF - 1
40410 IF A$ = "U" THEN CF = (FU - FY) * 100:FY = FU:UF = UF + 1
40420 IF CF < > 0 THEN PRINT "BOUGHT CR";CF;" OF FUEL."
40430 IF UF < 1 THEN UF = 0
40440 PRINT :B = BC: IF OP < > 7 THEN 50000
40480 PRINT CHR$ (4);"OPEN ";FI$;", L50": PRINT CHR$ (4);"WRITE ";FI$;", R";DE: PRINT LEFT$ (A$(0),41);"* ": PRINT CHR$ (4);"CLOSE"
50000 REM
50001 IF B < 1 THEN 50350
50010 VTAB 11: GOSUB 3000: PRINT FI$;" ";TI$;" ";NA$;: HTAB 30: PRINT " ";DA$: PRINT "4";BL$:B$ = CG$:A1$ = A$(0): GOSUB 7000: GOSUB 8000: PRINT B;" TONS OF ";: PRINT B$: PRINT "BASE COST: "; MID$ (B$,19);: HTAB 21: PRINT "BASE PRICE: ";CC:CB = VAL ( MID$ (B$,23)): INPUT "SELL GOODS? > ";A$: GOSUB 1000: IF A$ < > "Y" THEN 50420
50140 BR = ASC ( MID$ (A$(0),6,1)) - 64:BR = 5 - BR: IF BR < 1 THEN PRINT "NO BROKERS AVAILABLE.":BR = 0: GOTO 50230
50170 IF BR = 1 THEN PRINT "BROKER-1 AVAILABLE."
50180 IF BR > 1 THEN PRINT "BROKER-1 TO ";BR;" AVAILABLE."
50190 INPUT "USE A BROKER? > ";A$: GOSUB 1000: IF LEFT$ (A$,1) = "Y" THEN INPUT "WHICH NUMBER? > ";A$
50210 IF VAL (A$) < 0 OR VAL (A$) > BR THEN 50190
50220 BR = VAL (A$)
50230 A$ = A$(0): PRINT B;" TONS AT CR";CB;" BASE COST.": GOSUB 5000:E = INT (100 * CD / CB): IF E = 100 THEN PRINT "SOLD AT NO PROFIT.": GOTO 50300
50280 IF E < 100 THEN PRINT "SOLD AT ";100 - E;"% LOSS.": GOTO 50300
50290 IF E > 100 THEN PRINT "SOLD AT ";E - 100;"% PROFIT.": GOTO 50300
50300 PRINT "BROKER COMMISSION: ";BR * 5;"%.": PRINT "PROCEEDS: ";CC;" ("; INT (CC / B);" PER TON).":CR = CR + CC:B$ = "":B = 0:BC = 0
50350 IF MNT < 1 THEN 50410
50360 PRINT FI$;" ";TI$;" ";NA$;: HTAB 30: PRINT " ";DA$: PRINT "6";BL$: IF MNT > 0 THEN PRINT : PRINT "THE SHIP NEEDS ANNUAL MAINTENANCE."
50375 IF OP = 5 AND ( MID$ (A$(0),26,1) = "B" OR MID$ (A$(0),26,1) = "W") THEN 50380
50377 IF ST < 3 THEN 50380
50379 GOTO 50400
50380 INPUT "PERFORM IT NOW? > ";A$: GOSUB 1000: IF A$ = "Y" THEN DA = DA + 14:MNT = 0: PRINT "MAINTENANCE COST: ";((CST * 1E + 6) * .001)
50400 REM
50410 VTAB 23: INPUT "CONTINUE? > ";Z$
50420 OH = (LP * 100) + ((PH + PM + CW) * 2000) + (SAL * .5) + 100 + ((.001 / 24) * 1E + 6 * CST) + (SAL / 24):CR = CR - OH: GOTO 30020

254
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100 DIM INW$(10):DIM INPTK(10):DIM VOCAB$(60):DIM NULLW$(4):DIM IDESC$(30)
140 DIM ILOC(30):DIM RNAME$(31):DIM RDESC$(31):DIM REXIT(31,6):DIM EXDESC$(10): DIM EXLOC(10,2)
180 SAFED = 0: LOC=1: IC = 0
190 SP = 0
300 DATA "7UVYAO5", "2UQWVJ3", "2GCUV1", "7DLZA3", "9DY5", "5ITBS2", "6T8", "2U3", "2G9", "2Y7", "8C5", "8L8"
305 DATA "2K3", "1JOWFOUPSZ8", "1TDPSF0", "8RCUX6", "3KHOS7"
310 DATA "4XEOI3", "7KYVW9", "6RUUQ9", "3UHDG4", "9NGJVRWN9", "5ZSQTHP0", "9NJC8", "6YVOT4"
312 DATA "9VXEN1", "8WXMV6", "9CRN6", "4SMP8", "9YDC9", "8TMNB9", "5HJSYJW9", "4VMKLX2"
400 DATA "5SJBXUFUJW3", "6ZKJJEHKGX0", "7MBZL7", "1KBDL1", "7WPJABYL0", "1CVOHFF8"
405 DATA "9TNH3", "2VQR3", "6TUZK0", "8OIQVMAJCZOMZ4", "7NSVCLZ4", "1CPYTQSJOH0"
410 DATA "4FVEGI9", "4QEKEDMRI8", "4SMPGER8", "2EJGEMDQQM9", "6JOGSUTJ8", "2NQXGTDQA6"
415 DATA "7PUCLZATLUA1", "9UXXWB5", "4JVMHKI3", "4GSYGL0", "2ENQVJGU0", "3GRRU8"
420 DATA "8ZIQTQVO8", "3GXPEZDLWHU6", "6LAYKHUD0", "1UIF5", "8BW3", "8EQBP6", "7BZPUN0"
451 DATA "8...BIGA PWCAM CVTQSMTG MDMZ BW JM AWTL. BITMA WN OCBBML ABIQZEMTTA IVL JWWJG BZIXA PIDM AXWWSML JCGMZA...8"
452 DATA "4WSQISRI LEW FIIR TPECMRK ZIVC VSYKL AMXL XLMW XSC3", "3ROG-IDVKLRQHG HOHFWULFDO IXVH5"
454 DATA "2VKTG LCEM HQT NKHVKPI JGCXA QDLGEVU NKMG ECTU8", "6ATIRK ZGEY OT GRR NOY YGRRUC MRUXE5"
456 DATA "3FRUG IRU EXQJHH MXPSLQJ3", "2C UOCNN DTCUU MGA4", "5F HMNQI'X YTD6", "2VJG YTKVKPI KU TGXGTUGF7"
458 DATA "5XZUUTXJIQD ITL KTTI, YMTZLM NY FUUJFWX YT GJ RFIJ TK UQFXYNH4"
459 DATA "1SVCCFS HMPWFT VTFE GPS DMFBOJOH7", "1B RVFFO-TJAFE CPYTQSJOH0", "7H IHJR IYHJL7"
460 DATA "5...YFDX' XYWFSLJ NSAJSYNTSX NSHQZIJ GTTGD-YWFUUJI ITTWX FSI YTDX YMFY TUJS ITTWX GD WJRTYJ HTSYWTQ...6"
462 DATA "1UIJT DBO DPOUBJOT GJOF MVCSJDBUJOH PJM7", "9DWLUN CJHB' LQNLTKXXT URBCB J KJUJWLN XO $220,0004"
464 DATA "3WKLV GLDPRQG'V EHDXWB VWHPV IURP DOO WKH JRGGDPQHG PRQHB LW LV ZRUWK9"
466 DATA "1MPWFSCPZ'T GJSTU BMCVN JO WJOZM, XPSUI BO JODBMDVMBCMF TVN8"
467 DATA "9YAN-RYX BQJANB XO JYXUUX LXVYDCRWP QJEN CX KN FXACQ ... BXVNCQRWP5"
468 DATA "4E XLMGO AEH SJ GEREHMER RSXIW7"
470 DATA "4XLMW SPH VIJVMKIVEXSV'W QSXSV PEFSVW LIEZMPC8", "3DQ RYHUVWXIIHG, GXVWB FRXFK7"
472 DATA "3D GLVJXVWLQJ SLOH RI VRLOHG ODXQGUB2", "", "", ""
473 DATA "3DQ ROG-IDVKLRQHG IXVHERA. WKH IXVH PDUNHG 'DWWLF' LV PLVVLQJ.8"
502 DATA "5KTDJW9", 2, 31, 3, 4, 0, 0, "1UIF FOUSZXBZ UP UIF IPVTF4"
504 DATA "1LJUDIFO8", 0, 1, 0, 0, 0, -1
505 DATA "7JVBUALYAVWZ HYL KBZAF HUK AOLYL HYL YBZAPUN WVAZ HUK WHUZ7"
506 DATA "3VLWWLQJ URRP3", 2, 0, 11, 1, 12, 0
507 DATA "2VJKU TQQO KU VYQ UVQTKGU JKIJ CPF EQPVCKPU GNGICPV EJCKTU CPF EQWEJGU1"
508 DATA "9QJUUFJH0", 6, 7, 1, 5, 0, 0, "9J WJAAXF QJUUFJH FQRLQ ADWB FNBC XO CQN OXHNA3"
510 DATA "8PITTEIG0", 0, 9, 4, 10, 0, 0, "2C PCTTQY JCNNYCA CV VJG YGUV GPF QH VJG JQWUG2"
512 DATA "9MNW5", 0, 4, 0, 0, 0, 0, "7AOPZ YVVT OHZ HU HUJPLUA ALSLCPZPVU6"
514 DATA "7IHAOYVVT4", 4, 0, 0, 0, 0, -1, "2C FKPIA DCVJTQQO YKVJ C ETCEMGF UKPM1"
516 DATA "1MJCSBSZ3", 0, 0, 0, 24, 0, 0
517 DATA "2VJKU YGNN-HWTPKUJGF NKDTCTA KU NKPGF YKVJ DQQMU CPF NGCVJGT HWTPKVWTG7"
518 DATA "4WQEPP FIHVSSQ7", 5, 0, 0, 0, 0, 0
519 DATA "7AOPZ ZTHSS ILKYVVT OHZ H ADPU ILK HUK JOHPY. PA SVVRZ SPAASL BZLK.5"
520 DATA "1HBSBHF3", 0, 0, 5, 0, 0, 0
521 DATA "4XLI GEZIVRSYW KEVEKI LSPHW E RSR-STIVEXMSREP KVIQPMR ERH TMPIW SJ NYRO9"
522 DATA "7KPUPUN YVVT8", 0, 0, 0, 3, 0, 0
523 DATA "2VTQRJKGU NKPG VJG YCNNU. VJGTG CTG UKZ EJCKTU CTQWPF C NQPI VCDNG.4"
524 DATA "5GFQHTSD0", 13, 0, 0, 14, -1, 3
525 DATA "2DCNEQPA CDQXG VJG UKVVKPI TQQO. C TCKNKPI RTQVGEVU AQW HTQO C 15-HQQV FTQR.1"
526 DATA "3PDVWHU EHGURRP0", 0, 12, 0, 0, 0, 0
527 DATA "9CQRB UJAPN LXAWNA KNMAXXV QJB BXURM FJUWDC ODAWRCDAN JWM J UJAPN VRAAXA8"
528 DATA "4LEPPAEC0", 0, 15, 12, 17, 0, 0, "2C JCNNYCA YKVJ C NCTIG CTEJ QP KVU UQWVJ UKFG8"
530 DATA "3JDPH URRP9", 14, 0, 0, 16, 0, 0
531 DATA "6ZNOY KRKMGTZ MGSK XUUS NGY G VUUR ZGHRK GTJ SGXHRK INKYYHUGXJ2"
532 DATA "8KTWAMB8", 0, 0, 15, 0, 0, 0, "8I AXIKQWCA KTWAMB WNN BPM OIUMZWWU1"
534 DATA "8PITTEIG0", -1, 0, 14, -1, 0, 0, "6G NGRRCGE OT ZNK IKTZKX UL ZNK YKIUTJ LRUUX4"
536 DATA "3FKLOG'V URRP6", 0, 17, -1, 0, 0, 0
537 DATA "5DTZW HTZXNS'X WTTR NS MFUUNJW YNRJX, GJKTWJ MJ WFS TKK YT OTNS YMJ GFFYM UFWYD2"
538 DATA "7ZLJYLA YVVT1", 0, 0, 0, 18, 0, 0, "5F IFWP HMFRGJW TKK YMJ GJIWTTR7"
540 DATA "1EBOHFSPVT IBMM9", 21, 22, 17, -1, 0, 0
541 DATA "5YMNX JJWNJ MFQQ MFX YMWJJ NIJSYNHFQ ITTWX TS YMJ BJXY BFQQ2"
542 DATA "9LXAWNA KNMAXXV7", 0, 20, 0, 0, 0, 0, "6G IUFE IUXTKX XUUS COZN COTJUCY UT ZCU CGRRY9"
544 DATA "3EDWKURRP4", 20, 0, 0, 0, 0, 0, "7HU LSLNHUA IHAO DPAO H TPYYVY VCLY H THYISL ZPUR3"
546 DATA "3GXPEZDLWHU6", 0, 0, 20, 0, 0, -1, "8I KZIUXML LCUJEIQBMZ9"
548 DATA "7KBTIDHPALY6", 0, 0, 8, 0, 23, 0, "2C ETCORGF FWODYCKVGT9"
550 DATA "3DWWLF3", 0, 0, 0, 0, 0, 12, "7H KBZAF HAAPJ DPAO SVD ZSVWPUN DHSSZ2"
552 DATA "1TUPSBHF SPPN0", 0, 0, 27, 0, 0, 0
553 DATA "2C DCTG TQQO WUGF VQ UVQTG TCPFQO GSWKROGPV CPF HWTPKVWTG3"
554 DATA "5QFZSIWD3", 0, 0, 28, 26, 0, 0
555 DATA "6ZNOY XUUS NGY G CGYNKX GTJ JXEKX, GY CKRR GY G HUORKX GTJ LAXTGIK4"
556 DATA "7DVYRYVVT0", 0, 0, 29, 27, 0, 0, "5JVZNURJSY KTW BTWPNSL BTTI FSI RJYFQ7"
558 DATA "6HUZZUS UL YZGOXY8", 0, 0, 0, 28, -1, 0, "2UVCKTU HTQO DCUGOGPV VQ MKVEJGP0"
560 DATA "5RNI-FNW8", 0, 0, 0, 0, 0, 0, "2JCPIKPI HTQO C DWPIGG EQTF5"
562 DATA "5QJFAJ YMJ MTZXJ (FSI YMJ LFRJ)6", 0, 0, 0, 0, 0, 0, ""
650 DATA 1, -1, -1, 10, 30, 10, 13, 15, 9, 16, 22, 26, 25, 25, 28, 8, -1, 19, 21, 27
655 DATA 2, 6, 7, -1, 12, -1, -1
700 DIROFF = 30: ITEMOFF = 33: LASTITEM = 27: IMMOFF = 20: LWRD = 60: NXDESC = 7
705 PR#3 : TEXT : HOME : PRINT "LOADING..."; : SP = 1
710 FOR I = 1 TO LWRD: READ D$: GOSUB 10000: VOCAB$(I) = D2$: NEXT
750 FOR I = 1 TO 4: READ D$: GOSUB 10000: NULLW$(I) = D2$: NEXT
780 FOR I = 1 TO LASTITEM: READ D$: GOSUB 10000: IDESC$(I) = D2$: NEXT
800 FOR I = 1 TO 31: READ D$: GOSUB 10000: RNAME$(I) = D2$
810 FOR J = 1 TO 6: READ REXIT(I,J): NEXT
820 READ D$: GOSUB 10000: RDESC$(I) = D2$: NEXT
950 FOR I = 1 TO LASTITEM: READ ILOC(I): NEXT
1000 DATA 5, 6, "5YMJWJ NX F QTHPJI ITTW YT YMJ STWYM2", 8, 6, "9CQNAN RB J UXLTNM MXXA CX CQN BXDCQ0"
1005 DATA 2, 6, "8ABIQZA TMIL LWEV BW I KMTTIZ. AMDMZIT ABMXA PIDM KWTTIXAML, UISQVO BPM ABIQZKIAM CVCAIJTM.9"
1010 DATA 29, 5, "3VWDLUV OHDG XS. VHYHUDO VWHSV KDYH FROODSVHG, PDNLQJ WKH VWDLUFDVH XQXVDEOH.9"
1015 DATA 12, 5, "3GDUN VWDLUV OHDG XS WR WKH DWWLF4", 17, 4, "4E PSGOIH HSSV XS XLI AIWX MW PEFIPPIH 'IBXVIQI HERKIV'0"
1025 DATA 17, 1, "4CSYV YRGPI'W HSFIVQER FPSGOW E HSSVAEC XS XLI RSVXL0"
1050 FOR I = 1 TO NXDESC: READ EXLOC(I,1): READ EXLOC(I,2): READ D$: GOSUB 10000: EXDESC$(I) = D2$: NEXT
1060 SP = 0 : HOME
2000 GOSUB 15000
2500 IF LOC = 30 THEN D$= "5... FSI XUWNSL GFHP1": GOSUB 11000: LOC = 12
2525 IF LOC = 31 THEN GOTO 19900
2510 PRINT RNAME$(LOC): PRINT RDESC$(LOC)
2530 FOR I = 1 TO 6: NEIGH = REXIT(LOC, I): IF NEIGH > 0 THEN PRINT VOCAB$(I) ; ": "; RNAME$(NEIGH)
2559 NEXT
2560 FOR I = 1 TO NXDESC: IF LOC = EXLOC(I,1) AND REXIT(EXLOC(I,1),EXLOC(I,2)) <= 0 THEN PRINT EXDESC$(I)
2569 NEXT
2570 IF LOC = 17 AND REXIT(17,1) > 0 THEN D$="3BRXU XQFOH'V GREHUPDQ LV VQRULQJ SHDFHIXOOB3": GOSUB 11000
2580 IF LOC = 3 AND ILOC(6) = -12 THEN D$="9J KDWPNN LXAM MJWPUNB OAXV CQN AJRURWP JKXEN5": GOSUB 11000
2582 IF LOC = 12 AND ILOC(6) = -12 THEN D$="8I JCVOMM KWZL LIVOTMA NZWU BPM ZIQTQVO0": GOSUB 11000
2600 FOR I = 1 TO LASTITEM: IF ILOC(I) = LOC THEN PRINT "THERE IS A "; VOCAB$(I + ITEMOFF); " HERE"
2619 NEXT
2620 IF LOC = 2 AND ILOC(3) = -1 THEN D$= "6YUSKZNOTM OY HGXKRE BOYOHRK ATJKX ZNK LXOJMK5": GOSUB 11000
2650 IF LOC = 3 AND ILOC(5) = 30 THEN D$= "5YMJWJ NX F UNHYZWJ MNLM ZU TS YMJ BFQQ6": GOSUB 11000
4999 IF LOC = 30 THEN TURN1 = 1
5000 IF TURN1 <> 1 AND LOC = 30 THEN D$= "1...BOE TQSJOH CBDL1": GOSUB 11000: LOC = 12: GOTO 2500
5010 TURN1 = 0: INPUT "] "; I$: INWORD = 0: WIDX = 0
5020 FOR C = 1 TO LEN(I$): C$ = MID$(I$,C,1): IF C$ = " " AND INWORD = 1 THEN INWORD = 0
5060 IF C$ <> " " AND INWORD = 0 THEN WIDX = WIDX + 1: INW$(WIDX) = "": INWORD = 1
5065 IF WIDX > 10 GOTO 5100
5070 IF C$ <> " " THEN INW$(WIDX) = INW$(WIDX) + C$
5099 NEXT
5100 CURTOK = 1: FOR TIDX = 1 TO WIDX
5115 ISNULLW = 0
5120 FOR XN = 1 TO 4: IF INW$(TIDX) = NULLW$(XN) THEN ISNULLW = 1
5135 NEXT
5137 IF ISNULLW = 1 THEN GOTO 5170
5140 FOR CMDIDX = 1 TO LWRD: IF INW$(TIDX) = VOCAB$(CMDIDX) THEN INPTK(CURTOK) = CMDIDX: CURTOK = CURTOK + 1
5160 NEXT CMDIDX
5170 NEXT TIDX
5180 NTOK = CURTOK - 1
6000 COMM = INPTK(1): ON NTOK+1 GOTO 5000, 6050, 6400, 7100
6049 D$ = "8GWC KIV'B LW BPIB9": GOSUB 11000: GOTO 5000
6050 IF INPTK(1) >= 1 AND INPTK(1) <= 12 THEN GOTO 7000
6070 IF COMM <= 20 THEN ON COMM-12 GOTO 6100, 6100, 6200, 6300, 6350, 6099, 6099, 2500
6099 D$ = "9QDQ?9": GOSUB 11000: GOTO 5000
6100 D$ = "7FVB HYL JHYYFPUN:6": GOSUB 11000
6110 FOR I = 1 TO LASTITEM
6120 IF ILOC(I) = 0 THEN PRINT " "; VOCAB$(I+ITEMOFF)
6130 NEXT I
6199 GOTO 5000
6200 GOSUB 9500: GOTO 5000
6300 IF LOC <> 12 THEN D$= "4ALS EVI CSY, HEZMH PII VSXL?8": GOSUB 11000: GOTO 5000
6320 IF ILOC(6) <> -12 THEN D$ = "4CSY JSVKSX CSYV TEVEGLYXI2": GOSUB 11000: GOTO 5000
6330 D$= "9HXD KDWPNN XOO CQN KJULXWH...5": GOSUB 11000: LOC = 30: GOTO 2510
6350 GOSUB 15000: GOTO 5000
6400 ARG = INPTK(2) - ITEMOFF: IF ARG < 1 or ARG > LASTITEM THEN D$ = "6NAN?9": GOSUB 11000: GOTO 5000
6430 IF COMM > 17 AND COMM <= 27 THEN ON COMM-17 GOTO 6500, 6600, 6700, 6700, 6700, 6800, 6900, 7600, 6950, 8200
6499 D$ = "5MZM?9": GOSUB 11000: GOTO 5000
6500 IF ILOC(ARG) = 0 THEN D$ = "5DTZ FQWJFID MFAJ NY6": GOSUB 11000: GOTO 5000
6510 IF ILOC(ARG) = 30 AND LOC = 3 AND ARG = 5 THEN D$= "2KV'U VQQ JKIJ0": GOSUB 11000: GOTO 5000
6520 IF ILOC(ARG) <> LOC THEN D$ = "5NY'X STY MJWJ3": GOSUB 11000: GOTO 5000
6530 IF IC >= 8 THEN D$ = "1ZPV'SF DBSSZJOH UPP NVDI4": GOSUB 11000: GOTO 5000
6540 IF ARG > IMMOFF THEN D$ = "3LW'V WRR KHDYB3": GOSUB 11000: GOTO 5000
6559 IF LOC = 29 AND ARG = 12 THEN D$ = "5DTZ HFS'Y IT YMFY9": GOSUB 11000: GOTO 5000
6530 IC = IC + 1: IF LOC = 30 AND ARG = 5 THEN D$ = "7AHRPUN AOL WPJABYL YLCLHSZ H MBZLIVE6": GOSUB 11000: ILOC(ARG) = 0: ILOC(IMMOFF+7) = 30: GOTO 2500
6590 ILOC(ARG) = 0: PRINT VOCAB$(INPTK(2)); ": TAKEN": GOTO 5000
6600 IF ILOC(ARG) <> 0 THEN D$= "9HXD JANW'C LJAAHRWP RC5": GOSUB 11000: GOTO 5000
6630 IC = IC - 1: IF LOC = 17 AND ARG = 10 AND REXIT(17,1) <= 0 THEN D$= "7AOL KVN SVVRZ KPZNBZALK. THFIL FVB ZOVBSK LHA PA.6": GOSUB 11000: GOTO 6690
6640 IF LOC = 17 AND ARG = 2 AND REXIT(17,1) <= 0 THEN D$= "4XLI HSK GLIAW LMW JEZSVMXI XSC ERH MW WSSR EWPIIT7": GOSUB 11000: ILOC(ARG) = -999: REXIT(17,1)=18: GOTO 2500
6650 IF LOC = 29 AND ARG = 12 AND REXIT(29,5) <= 0 THEN D$= "3WKH ERAVSULQJ FRYHUV WKH JDS LQ WKH VWDLUV8": GOSUB 11000: ILOC(ARG) = -999: REXIT(29,5) = 2: REXIT(2,6) = 29: GOTO 2500
6690 ILOC(ARG) = LOC: PRINT VOCAB$(INPTK(2)); ": DROPPED": GOTO 5000
6700 ARG = INPTK(2) - ITEMOFF
6740 IF ILOC(ARG) <> 0 AND ILOC(ARG) <> LOC THEN D$= "9RC'B WXC QNAN3": GOSUB 11000: GOTO 5000
6750 IF ARG = 9 AND (LOC = 13 OR LOC = 22) THEN GOSUB 8000: GOSUB 8050: GOTO 5000
6755 IF IDESC$(ARG) = "" THEN PRINT "THERE'S NOTHING SPECIAL ABOUT THE "; VOCAB$(INPTK(2)): GOTO 5000
6760 PRINT IDESC$(ARG): GOTO 5000
6800 IF ILOC(7) <> 0 THEN D$ = "7FVB KVU'A OHCL H RLF!2": GOSUB 11000: GOTO 5000
6820 IF LOC = 5 THEN D$= "2VJG MGA FQGUP'V HKV VJG NQEM8": GOSUB 11000: GOTO 5000
6830 IF LOC = 17 THEN D$ = "3BRX XQORFN WKH GRRU. EHZDUH!4": GOSUB 11000: REXIT(17,4) = 20: GOTO 2500
6899 D$ = "5MZM?9": GOSUB 11000: GOTO 5000
6900 IF ILOC(ARG) <> 0 THEN D$= "7FVB KVU'A OHCL PA!1": GOSUB 11000: GOTO 5000
6920 IF ARG <> 10 THEN D$= "7FVB JHU'A LHA AOHA!0": GOSUB 11000: GOTO 5000
6930 D$= "7AOLYL DHZ H KPHTVUK OPKKLU PUZPKL AOL NHPULZIBYNLY5": GOSUB 11000: ILOC(ARG) = -2: ILOC(17) = 0: GOTO 2500
6950 AIMM = ARG - IMMOFF
6960 IF AIMM >= 1 AND AIMM <= 4 THEN ON AIMM GOTO 6970, 6975, 6980
6965 D$= "5DTZ HFS'Y IT YMFY9": GOSUB 11000: GOTO 5000
6970 D$= "9RC'B CXX QNJEH OXA HXD CX VXEN1": GOSUB 11000: GOTO 5000
6975 D$= "1ZPVS CBDL JT BDUJOH VQ7": GOSUB 11000: GOTO 5000
6980 D$= "9CQJC BNNVB YXRWCUNBB JWM DWBJWRCJAH4": GOSUB 11000: GOTO 5000
7000 GOARG = INPTK(1): IF GOARG > 6 THEN GOARG = GOARG - 6
7010 IF REXIT(LOC, GOARG) > 0 THEN LOC = REXIT(LOC, GOARG): GOTO 2500
7020 IF LOC = 12 AND GOARG = 5 THEN D$= "3BRX'UH DIUDLG RI WKH GDUN1": GOSUB 11000: GOTO 5000
7025 IF LOC = 17 AND GOARG = 1 THEN D$= "7FVB ULCLY KPK SPRL AOHA KVN2": GOSUB 11000: GOTO 5000
7030 IF LOC = 23 AND REXIT(23, 6) <= 0 THEN D$ = "8BPM LCUJEIQBMZ UMKPIVQAU QA KWZZWLML IVL EWV'B UWDM2": GOSUB 11000: GOTO 5000
7099 D$= "9HXD LJW'C PX CQJC FJH3": GOSUB 11000: GOTO 5000
7100 IF COMM < 23 OR COMM > 30 THEN GOTO 6899
7120 ARG = INPTK(2) - ITEMOFF: IF COMM <> 27 AND ARG < 1 or ARG > LASTITEM THEN D$ = "3KXK?9": GOSUB 11000: GOTO 5000
7130 IF COMM <> 23 AND COMM <> 29 AND ILOC(ARG) <> LOC AND ILOC(ARG) <> 0 THEN D$= "5NY'X STY MJWJ3": GOSUB 11000: GOTO 5000
7140 ON COMM-22 GOTO 6800, 6899, 6899, 7200, 7400, 7500, 7700, 7800
7200 IF ARG < IMMOFF THEN D$= "7FVB JHU QBZA AHRL AOHA7": GOSUB 11000: GOTO 5000
7220 AIMM = ARG - IMMOFF: MVARG = INPTK(3) - ITEMOFF: IF AIMM < 1 OR AIMM > 3 THEN D$ = "8GWC KIV'B LW BPIB9": GOSUB 11000: GOTO 5000
7230 IF ILOC(MVARG) <> 0 THEN D$ = "1ZPV EPO'U IBWF JU!1": GOSUB 11000: GOTO 5000
7240 ON AIMM GOTO 7250, 7300, 7350
7250 IF MVARG <> 4 OR ILOC(3) >= 0 THEN D$= "4CSY GER'X HS XLEX9": GOSUB 11000: GOTO 5000
7260 D$= "5DTZ OFHP ZU YMJ KWNILJ FSI KNSI F KZXJ ZSIJW NY8": GOSUB 11000: ILOC(3)=LOC: GOTO 2500
7300 IF MVARG <> 13 OR ILOC(2) >= 0 THEN D$ = "2AQW ECP'V FQ VJCV9": GOSUB 11000: GOTO 5000
7310 D$="5DTZ RTAJ YMJ HTZHM FSI KNSI F YJIIDGJFW GJMNSI NY7": GOSUB 11000: ILOC(2)=LOC: GOTO 2500
7350 IF MVARG <> 11 THEN D$ = "4CSY GER'X HS XLEX9": GOSUB 11000: GOTO 5000
7360 D$="3PRYLQJ WKH FORWKHV UHYHDOV D ODXQGUB FKXWH WR WKH EDVHPHQW3": GOSUB 11000: REXIT(LOC,6) = 27: GOTO 2500
7400 IF LOC <> 20 THEN D$ = "3KXK?9": GOSUB 11000: GOTO 5000
7450 IF INPTK(3) - ITEMOFF <> IMOFF + 4 THEN D$ = "2JWJ?9": GOSUB 11000: GOTO 5000
7460 DOORDIR = INPTK(2) - DIROFF: IF DOORDIR < 1 OR DOORDIR > 3 THEN D$ = "4LYL?9": GOSUB 11000: GOTO 5000
7470 GOSUB 8025
7480 IF DOORDIR = SAFED THEN D$= "1PQFOJOH UIF EPPS SFWFBMT B EVNCXBJUFS2": GOSUB 11000: REXIT(LOC, 4) = 23: GOTO 2500
7490 IF INT(RND(2)) > 1 THEN D$= "4E WLSX VMRKW SYX! MX AEW AIPP-EMQIH XSS.2": GOSUB 11000: GOTO 19000
7495 D$= "2CP KTQPKPI DQCTF UNCOU QPVQ AQWT JGCF0": GOSUB 11000: GOTO 19000
7500 IF LOC <> 12 THEN D$ = "6EUA IGT'Z JU ZNGZ9": GOSUB 11000: GOTO 5000
7520 IF INPTK(2) - ITEMOFF <> 6 THEN D$= "9HXD LJW'C CRN CQJC8": GOSUB 11000: GOTO 5000
7530 IF INPTK(3) - ITEMOFF <> (IMOFF + 5) THEN D$= "9HXD LJW'C CRN CX CQJC1": GOSUB 11000: GOTO 5000
7540 IF ILOC(6) <> 0 THEN D$ = "8GWC LWV'B PIDM QB!1": GOSUB 11000: GOTO 5000
7550 D$= "1UJFE4": GOSUB 11000: ILOC(6) = -12: IC = IC - 1: GOTO 2500
7600 IF ILOC(8) <> 0 THEN D$ = "3KXK?9": GOSUB 11000: GOTO 5000
7610 IF LOC = 18 THEN D$= "1UIFSF JT B GMBTI PG MJHIU BOE B DSBDLJOH TPVOE. BO PQFOJOH BQQFBST JO UIF FBTU XBMM1": GOSUB 11000: REXIT(18, 3) = 19: GOTO 2500
7620 INVERSE: D$= "7DOLL!7": GOSUB 11000: NORMAL: PRINT "": GOTO 5000
7700 IF LOC <> 20 THEN D$ = "3BRX FDQ'W GR WKDW9": GOSUB 11000: GOTO 5000
7705 IF ILOC(15) <> 0 THEN D$= "2AQW FQP'V JCXG CPA QKN4": GOSUB 11000: GOTO 5000
7720 IF INPTK(2) - ITEMOFF <> IMOFF + 6 THEN D$ = "1IVI?9": GOSUB 11000: GOTO 5000
7725 D$= "2VJG FWODYCKVGT OGEJCPKUO PQY TWPU UOQQVJNA3": GOSUB 11000: REXIT(23,6) = 24: GOTO 5000
7800 IF LOC <> 30 OR (INPTK(2) - ITEMOFF <> 3) THEN D$ = "8GWC KIV'B LW BPIB9": GOSUB 10000: GOTO 5000
7830 IF INPTK(3) - ITEMOFF <> (IMOFF + 7) THEN D$= "2AQW ECP'V RWV KV VJGTG9": GOSUB 11000: GOTO 5000
7840 IF ILOC(3) <> 0 THEN D$ = "2AQW FQP'V JCXG KV!1": GOSUB 11000: GOTO 5000
7850 D$= "5DTZ UZY YMJ KZXJ NS YMJ GTC3": GOSUB 11000: ILOC(3) = -999: IC = IC - 1: REXIT(12,5) = 25: GOTO 5000
8000 IF SAFED <> 0 THEN RETURN
8020 SAFED = INT(RND(3) * 3) + 1: RETURN
8025 IF SAFED <> 0 THEN RETURN
8030 SAFED = (INPTK(2) - DIROFF) + 1: IF SAFED > 3 THEN SAFED = 1
8049 RETURN
8050 N1$ = VOCAB$(DIROFF+1): N2$ = VOCAB$(DIROFF+3): IF SAFED = 1 THEN N1$ = VOCAB$(DIROFF+2)
8070 IF SAFED = 3 THEN N2$ = VOCAB$(DIROFF+2)
8080 D$ = "3HASHULPHQWV RQ 9": GOSUB 10000: NTMSG$ = D2$ + N1$
8085 D$ = "8 IVL 1": GOSUB 10000: NTMSG$ = NTMSG$ + D2$ + N2$
8090 D$="3 GRRUV SURFHHGLQJ ZHOO; ILOH IRU SDWHQW4": GOSUB 10000: NTMSG$=NTMSG$+D2$
8099 PRINT NTMSG$: RETURN
8200 IF LOC = 20 AND (INPTK(2) - ITEMOFF) = IMOFF + 4 THEN D$= "5UQJFXJ XUJHNKD QJKY, HJSYJW, TW WNLMY4": GOSUB 11000: GOTO 5000
8299 D$ = "5MZM?9": GOSUB 11000: GOTO 5000
9500 SCORE = 50
9510 FOR I = 16 TO 20: IF ILOC(I) = 0 THEN SCORE = SCORE + 10
9515 NEXT
9520 FOR I = 3 TO 30: FOR J = 1 TO 6: IF REXIT(I,J) = -1 THEN SCORE = SCORE -5
9525 NEXT J, I
9530 FOR I = 1 TO 15: IF ILOC(I) = -1 THEN SCORE = SCORE - 5
9535 NEXT
9540 PRINT "YOUR SCORE IS "; SCORE; " OUT OF A POSSIBLE 100": RETURN
10000 D2$ = "" : IF D$ = "" THEN GOTO 10070
10005 CS = 0: OFF = ASC(MID$(D$,1,1))-48
10010 FOR DC = 2 to LEN(D$)-1
10020 D2AS = ASC(MID$(D$,DC,1)): IF D2AS >= 65 AND D2AS <= 90 THEN D2AS=D2AS - OFF: IF D2AS < 65 THEN D2AS = D2AS+26
10030 D2$ = D2$ + CHR$(D2AS)
10040 IF D2AS >= 65 AND D2AS <= 90 THEN CS = CS + D2AS: IF CS > 9 THEN CS = CS-((INT(CS/10)) * 10)
10050 NEXT
10060 IF D$ <> "" THEN IF ASC(MID$(D$, LEN(D$), 1))-48 <> CS THEN PRINT "BAD CHECKSUM FOR "; D$; ", FOUND "; CS: GOTO 19999
10070 IF SP THEN PRINT ".";
10099 RETURN
11000 GOSUB 10000: PRINT D2$: RETURN
15000 D$ = "6ZGEY NUAYK GJBKTZAXK5": GOSUB 11000
15010 D$ = "2 HKPF VTGCUWTGU CPF XCNWCDNGU KP AQWT OCF WPENG VCAU' JQWUG3": GOSUB 11000
15020 D$ = "4XCTI WMQTPI GSQQERHW: RSVXL, WSYXL, IXG. XS QSZI (SV NYWX 'R', 'W').4": GOSUB 11000
15030 D$ = "4 XEOI ERH HVST, MRZIRXSVC, PSSO, VIEH, QSZI, ERH WS SR.5": GOSUB 11000
15040 D$ = "7ZVTL JVTTHUKZ HYL JVTWSLE: 'TVCL AOL OBIJHW DPAO AOL ZWHUULY'1": GOSUB 11000: RETURN
19000 D$= "6EUA NGBK JOKJ3": GOSUB 11000: GOTO 19999
19900 GOSUB 9500: IF SCORE = 100 THEN D$ = "2AQW JCXG YQP VJG ICOG!6": GOSUB 11000
19999 END

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5 PR#3 : TEXT : HOME
10 PRINT "(1) GOSUB/RETURN/POP"
15 PRINT "(2) Basic I/O, IF/THEN"
20 PRINT "(3) Fibbonacci Sequence"
25 PRINT "(4) Guess my number"
30 PRINT "(5) Guess your number"
35 PRINT "(6) Approximate Pi"
40 PRINT "(7) Function tests"
45 PRINT "(8) Error tests"
50 PRINT "(9) Cellular automata"
55 PRINT "(10) Madlibs"
60 PRINT "(11) Lissajous Figures"
65 PRINT "(12) Screen Test"
70 PRINT "(13) DOS Sequential Access"
75 PRINT "(14) Lores Drawing with Joystick"
80 PRINT "(15) Lores Colors"
85 PRINT "(16) Mandelbrot Set"
85 PRINT "(17) Light Cycles"
90 PRINT "(18) Hires Demo"
92 PRINT "(19) DOS WRITE/APPEND"
94 PRINT "(20) ONERR ... RESUME"
94 PRINT "(21) CHR$ Tests"
95 PRINT: INPUT "Enter option: "; A : PRINT : HOME : ON A GOTO 100,200,300,400,500,600,700,800,1900,1000,1100,1200,2000,2100,2200,2300,2400,2500,2600,2700,2800
98 HOME
99 END
100 REM Gosub/Pop/Return tests
110 TRACE : PRINT "GOSUB 150" : GOSUB 150
120 PRINT "GOSUB 160" : GOSUB 160
130 PRINT : PRINT "Press any key: " : GET A$ : GOTO 5
150 PRINT "RETURN" : NOTRACE : RETURN
160 PRINT "GOSUB 190" : GOSUB 190
180 PRINT "RETURN - Shouldn't happen!"
190 PRINT "POP" : POP : PRINT "RETURN" : RETURN
200 REM Basic input/output, expression, IF/THEN tests
205 PRINT "at line 200"
210 INPUT "Pick a number: "; A
215 PRINT A
220 IF (A) THEN PRINT "TRUE"
230 IF (NOT A) THEN PRINT "FALSE"
240 PRINT : PRINT "Press any key: " : GET A$ : GOTO 5
300 REM Fibbonacci
310 LA = 0 : CU = 1
320 NX = LA + CU : PRINT NX
330 LA = CU : CU = NX
340 GOTO 320
400 REM Guess my number
405 PRINT "I'm picking a number between 1 and 100..."
410 N = INT( RND(1) * 100 ) + 1
420 INPUT "Your guess? "; G
430 IF G = N THEN PRINT "Got it!" : PRINT : PRINT "Press any key: " : GET A$ : GOTO 5
430 IF G < N THEN PRINT "Too low" : GOTO 420
440 IF G > N THEN PRINT "Too high" : GOTO 420
500 REM Guess your number
510 INPUT "Pick a number between 1 and 100, then press Enter: "; X
520 MN = 1 : MX = 100: G = INT( RND(1) * 100 ) + 1
530 PRINT "I guess ";G;" - enter 1 for too high, -1 for too low, 0 for got it"
540 INPUT R
550 IF R = 0 THEN PRINT "I guessed right!" : PRINT : PRINT "Press any key: " : GET A$ : GOTO 5
540 IF R < 0 THEN MN = G + 1 : GOTO 560
550 IF R > 0 THEN MX = G - 1 : GOTO 560
560 IF MX = MN THEN PRINT "It must be "; MX; " - I guess you win." : END
570 G = INT( ( MX + MN ) / 2 ) : GOTO 530
600 REM Compute pi
610 I = 0
620 SUM = 0
630 SIGN = 1
640 D = ( SIGN * ( 1 / ( 2 * I + 1 ) ) )
645 SUM = SUM + D
650 SIGN = -SIGN
660 PI = 4 * SUM
670 PRINT "I = ";I;" PI = ";PI;" D = ";D
680 I = I + 1
690 GOTO 640
700 REM Function tests
702 PRINT "ABS(-3.14) = "; ABS(-3.14)
704 PRINT "ASC('A') = "; ASC("A")
706 PRINT "ATN(1) = "; ATN(1)
708 PRINT "CHR$(65) = "; CHR$(65)
710 PRINT "COS(1) = "; COS(1)
712 PRINT "EXP(1) = "; EXP(1)
714 PRINT "INT(3.14) = "; INT(3.14)
716 PRINT "LEFT$('abcdef',3) = "; LEFT$("abcdef",3)
718 PRINT "LEN('abcdef') = "; LEN("abcdef")
720 PRINT "LOG(3.14) = "; LOG(3.14)
722 PRINT "MID$('abcdef',3) = "; MID$("abcdef",3)
724 PRINT "MID$('abcdef',3,2) = "; MID$("abcdef",3,2)
726 PRINT "RIGHT$('abcdef',3) = "; RIGHT$("abcdef",3)
728 PRINT "RND(1) = "; RND(1)
730 PRINT "SGN(-3.14) = "; SGN(-3.14)
732 PRINT "SIN(1) = "; SIN(1)
734 PRINT "SQR(9) = "; SQR(9)
736 PRINT "STR$(3.14) = "; STR$(3.14)
738 PRINT "TAN(1) = "; TAN(1)
740 PRINT "VAL('3.14') = "; VAL("3.14")
790 PRINT : PRINT "Press any key: " : GET A$ : GOTO 5
800 REM Error tests
810 A = 2 / 0 : PRINT "Shouldn't print this!"
820 PRINT : PRINT "Press any key: " : GET A$ : GOTO 5
900 REM Cellular automata
901 PRINT "Wolfram's CA rules" : PRINT "Try 110, 111, 118, 121, 126" : PRINT
902 INPUT "Rule: "; R : PRINT
904 DIM VT(8) : FOR I = 0 TO 7 : VT(I) = NOT( R / 2 = INT( R / 2 ) ) : R = INT(R / 2) : NEXT
910 S$ = " # "
912 PRINT ">";S$;"<"
914 N$ = " "
916 FOR I = 2 TO LEN(S$) - 1
918 V = 4 * ( MID$( S$, I-1, 1) = "#" ) + 2 * ( MID$( S$, I, 1) = "#" ) + 1 * ( MID$( S$, I+1, 1) = "#" )
920 IF VT(V) THEN N$ = N$ + "#" : GOTO 930
922 N$ = N$ + " "
930 NEXT I
940 N$ = N$ + " "
950 S$ = N$
960 GOTO 912
1000 REM Madlibs
1010 INPUT "Name: "; N$
1020 INPUT "Verb: "; V$
1030 INPUT "Noun: "; NN$
1040 INPUT "Place: "; P$
1050 S$ = "One day, " + N$ + " " + V$ + " to " + P$ + " to see the " + NN$ + "."
1060 PRINT S$ : PRINT
1070 PRINT : PRINT "Press any key: " : GET A$ : GOTO 5
1100 REM Lissajous Figures
1105 REM POKE 49168,0 : REM Clear keyboard strobe
1110 XA = 19 : YA = 19
1120 XM = RND(1) * 0.5 + 0.5 : YM = RND(1) * 0.5 + 0.5
1130 P = RND(1) * 3.14159 * 2
1140 GR : COLOR= RND(1) * 14 + 1
1150 FOR T = 0 TO 99 STEP 0.05
1155 IF PEEK(49152) > 127 THEN POKE 49168,0 : GOTO 5
1160 X = XA * COS( XM * T )
1170 Y = YA * COS( YM * T + P )
1180 PLOT 20 + X, 20 + Y
1190 NEXT T : GOTO 1100
1200 REM Screen Coordinates
1210 TEXT: HOME : FOR I = 1 TO 24 : HTAB 1 : VTAB I : PRINT I; : NEXT
1220 GR : FOR I = 0 TO 39 : COLOR= I : HLIN 0, 39 AT I : NEXT
1230 VTAB 24 : HTAB 10 : PRINT "Press Any Key To Continue"; : GET A$
1240 HGR : C = 3 : FOR I = 0 TO 70 : HCOLOR= C : HPLOT I*2,I TO 279-I*2,I TO 279-I*2,159-I TO I*2,159-I TO I*2,I : C = C + 1 : IF C > 7 THEN C = 0
1245 NEXT
1250 VTAB 24 : HTAB 10 : PRINT "Press Any Key To Continue"; : GET A$
1290 GOTO 5
1900 REM Cellular automata
1901 HOME
1902 PRINT "Wolfram's CA rules" : PRINT "Try 110, 111, 118, 121, 126" : PRINT
1903 INPUT "Rule: "; R : PRINT
1904 DIM VT(8) : FOR I = 0 TO 7 : VT(I) = NOT( R / 2 = INT( R / 2 ) ) : R = INT(R / 2) : NEXT
1910 DIM C(30) : DIM N(30) : N(15) = 1
1912 FOR I = 0 TO 30 : C(I) = N(I) : PRINT C(I); : NEXT : PRINT
1916 FOR I = 2 TO 30 - 1
1918 V = 4 * C(I-1) + 2 * C(I) + 1 * C(I+1)
1920 N(I) = VT(V)
1930 NEXT I
1940 GOTO 1912
2000 REM DOS Sequential Text File
2005 PRINT "First, knowing it has 4 lines..." : PRINT
2010 PRINT CHR$(4)"OPEN JABBERWOCKY"
2015 PRINT CHR$(4)"READ JABBERWOCKY"
2020 FOR I = 1 TO 4 : INPUT A$ : PRINT A$ : NEXT
2025 PRINT CHR$(4)"CLOSE"
2030 PRINT : PRINT "Now with ONERR..." : PRINT
2035 PRINT CHR$(4)"OPEN JABBERWOCKY"
2040 PRINT CHR$(4)"READ JABBERWOCKY"
2045 ONERR GOTO 2055
2050 INPUT A$ : PRINT A$ : GOTO 2050
2055 PRINT : PRINT "Hit EOF " : POKE 216,0 : PRINT CHR$(4)"CLOSE"
2090 PRINT : PRINT "Press any key to continue: " : GET A$ : GOTO 5
2100 REM Lores Drawing
2110 GR
2115 OX = -1 : OY = -1
2116 C = 0
2120 X = INT( PDL(0) / 256 * 40 )
2130 Y = INT( PDL(1) / 256 * 48 )
2135 HTAB 1 : VTAB 23 : PRINT X ; " " ; Y ; " "
2140 REM IF ( OX <> X OR OY <> Y ) AND OX <> -1 AND OY <> -1 THEN COLOR= 0 : PLOT OX, OY
2150 COLOR= C : PLOT X, Y
2160 OX = X : OY = Y : C = C + 1 : IF C > 15 THEN C = 0
2170 GOTO 2120
2200 REM Color Chart
2210 GR
2220 DATA 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, 10, 11, -1, -1, 12, 13, -1, -1, 14, 15, -2
2230 MX = 0 : MY = 0 : XS = 6 : YS = 9
2240 READ C : IF C = -2 THEN HTAB 1 : VTAB 22 : PRINT "Press any key: " : GET A$ : GOTO 5
2250 IF C = -1 THEN GOTO 2270
2260 COLOR= C : FOR Y = 0 TO YS-1 : HLIN MX*XS,MX*XS+(XS-2) AT MY*(YS+1)+Y : NEXT
2270 MY = MY + 1 : IF MY > 3 THEN MY = 0 : MX = MX + 1
2280 GOTO 2240
2300 REM Mandelbrot Set
2310 HOME : GR : POKE 49234,0
2320 FOR X = 0 TO 39 : FOR Y = 1 TO 24
2330 I = X / 40 * 3 - 2 : J = Y / 48 * 2 - 1
2340 GOSUB 2360 : COLOR= C : PLOT X, Y : PLOT X,48 - Y
2350 NEXT Y : NEXT X : HTAB 1 : VTAB 22 : PRINT "Press any key: " : GET A$ : GOTO 5
2360 IT = 0 : S = I : T = J
2370 S1 = S*S - T*T + I : T = 2*S*T + J: S = S1 : IT = IT + 1
2380 IF ((S*S + T*T) < 4) AND IT < 16 THEN GOTO 2370
2390 C = IT : RETURN
2400 REM Light Cycles Game
2410 HOME : GR : REM TODO: Fullscreen
2420 X = 19 : Y = 38 : DX = 0 : DY = -1
2430 COLOR= 15 : HLIN 0,39 AT 0: HLIN 0,39 AT 39: VLIN 0,39 AT 0 : VLIN 0,39 AT 39
2440 HTAB 1 : VTAB 22 : PRINT "Press any key to start: " : GET A$ : HOME
2450 COLOR= 2: PLOT X,Y
2460 K = PEEK(49152) : POKE 49168,0
2461 LX = DX : LY = DY
2462 IF K = 8+128 THEN DX = -1 : DY = 0
2463 IF K = 21+128 THEN DX = 1 : DY = 0
2464 IF K = 11+128 THEN DX = 0 : DY = -1
2465 IF K = 10+128 THEN DX = 0 : DY = 1
2466 IF ( LX AND LX = -DX ) OR (LY AND LY = -DY) THEN DX = LX : DY = LY
2470 X = X + DX : Y = Y + DY
2480 IF SCRN(X,Y) <> 0 THEN HTAB 1 : VTAB 23 : PRINT "Crashed! Press any key to continue: " : GET A$ : GOTO 5
2490 HTAB 1 : VTAB 21 : SC = SC + 10 : PRINT "Score: "; SC
2490 GOTO 2450
2500 REM Hires Demo
2510 HOME : HGR
2520 W = 279 : H = 159
2530 FOR I = 0 TO 1 STEP 0.05
2535 HCOLOR= 1
2540 HPLOT 0,H * I TO W* (1-I),0
2545 HCOLOR= 2
2550 HPLOT 0,H * (1-I) TO W* (1-I),H
2555 HCOLOR= 5
2560 HPLOT W,H * I TO W * I,0
2565 HCOLOR= 6
2570 HPLOT W,H * (1-I) TO W * I,H
2575 NEXT
2580 HTAB 1 : VTAB 22 : PRINT "Press any key to continue: " : GET A$ : GOTO 5
2600 REM DOS WRITE/APPEND
2610 PRINT CHR$(4)"OPEN FOO"
2615 PRINT CHR$(4)"WRITE FOO"
2620 FOR I = 1 TO 5 : PRINT "WRITE - "; CHR$(ASC("A") - 1 + I ) : NEXT
2625 PRINT CHR$(4)"CLOSE FOO"
2630 PRINT CHR$(4)"APPEND FOO"
2635 PRINT CHR$(4)"WRITE FOO"
2640 FOR I = 6 TO 10 : PRINT "APPEND - ";CHR$(ASC("A") - 1 + I ) : NEXT
2645 PRINT CHR$(4)"CLOSE FOO"
2650 PRINT CHR$(4)"OPEN FOO"
2655 PRINT CHR$(4)"READ FOO"
2660 FOR I = 1 TO 10 : INPUT A$ : PRINT "READ LINE ";I;": ";A$ : NEXT
2665 PRINT CHR$(4)"CLOSE FOO"
2670 PRINT : PRINT "Press any key to continue: " : GET A$ : GOTO 5
2700 REM ONERR ... RESUME
2710 PRINT "First, RESUME into an IF statement"
2712 ONERR GOTO 2718
2714 PRINT "Testing... " : X = 0 : IF 1 / X THEN PRINT "Succeeded!"
2716 PRINT "That worked!" : GOTO 2750
2718 PRINT "Oops! How about this... " : X = 1 : RESUME
2750 ONERR GOTO 2785
2755 PRINT "Trigger division by zero with X / Y"
2760 INPUT "X = ";X
2765 INPUT "Y = ";Y
2770 PRINT "X / Y = ";X;" / ";Y;" = ";(X/Y)
2775 POKE 216,0 : REM Clear ONERR Flag
2780 PRINT "That worked! Press any key to continue: " : GET A$ : GOTO 5
2785 PRINT : PRINT "Oops, caught an error. Try again": INPUT "Y = ";Y : RESUME
2800 REM CONTROL KEY TESTS
2810 PR#0 : TEXT : HOME
2820 HTAB 20 : VTAB 24 : PRINT "1"CHR$(10)"2";
2830 HTAB 1 : VTAB 11 : PRINT CHR$(8)"3";
2840 HTAB 1 : VTAB 1 : PRINT CHR$(8)"4";
2851 HTAB 16 : VTAB 23 : PRINT "1-->";
2852 HTAB 17 : VTAB 24 : PRINT "2-->";
2853 HTAB 36 : VTAB 10 : PRINT "3-->";
2854 HTAB 36 : VTAB 1 : PRINT "4-->";
2860 VTAB 10 : HTAB 1 : PRINT "Press key to beep:"; : GET A$ : PRINT CHR$(7)
2870 VTAB 11 : HTAB 1 : PRINT "Press any key:"; : GET A$ : GOTO 5

408
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0 REM ** Apple ][ in Hi-Res graphics (280x192) **
5 HGR2 : HCOLOR= 1
10 FOR Y = 0 TO 191
20 FOR X = 0 TO 279 STEP 16
30 READ N
40 FOR I = 0 TO 15
50 N = N/2 : IF N <> INT(N) THEN HPLOT X+I, Y : N = INT(N)
60 NEXT
70 NEXT
80 NEXT
90 GET NxtPct$
100 REM ** Apple skull in Hi-Res graphics (280x192) **
105 HGR2 : HCOLOR= 3
110 FOR Y = 0 TO 191
120 FOR X = 0 TO 279 STEP 16
130 READ N
140 FOR I = 0 TO 15
150 N = N/2 : IF N <> INT(N) THEN HPLOT X+I, Y : N = INT(N)
160 NEXT
170 NEXT
180 NEXT
1000 DATA 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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1080 DATA 0,0,0,0,21832,43877,43690,43690,43690,23210,46411,10532,43603,20,0,0,0,0
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1500 DATA 0,0,0,27136,56537,43706,55997,23278,44407,14006,46443,42331,46762,46421,0,0,0,0
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1580 DATA 0,0,0,43584,44717,46426,23253,46421,44469,44461,54965,56234,27318,44373,5,0,0,0
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1600 DATA 0,0,0,46464,46422,23403,27575,54998,43866,55029,43866,47866,38226,28074,5,0,0,0
1610 DATA 0,0,0,27328,27499,46765,27994,56173,28013,28075,60779,27466,27309,44373,1,0,0,0
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1800 DATA 0,0,0,56152,46806,56173,48566,25126,19106,21012,27554,56027,46957,43734,21,0,0,0
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1900 DATA 0,0,0,46812,30445,48559,46573,18759,35154,18576,23410,46811,56173,27498,91,0,0,0
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1920 DATA 0,0,0,56246,54998,61373,61278,46814,60093,39766,60852,56246,28086,48493,109,0,0,0
1930 DATA 0,0,0,56172,48566,23915,47851,65531,65535,65279,56191,56174,28086,26059,171,0,0,0
1940 DATA 0,0,0,28013,46811,46838,28093,43691,21842,27573,56299,28085,46811,56173,342,0,0,0
1950 DATA 0,0,0,56246,27574,56239,63451,56798,61165,46806,46765,56174,28086,23387,109,0,0,0
1960 DATA 0,0,0,46810,57205,30429,44651,30573,48063,57211,61150,46813,56173,46806,365,0,0,0
1970 DATA 0,0,0,56173,46443,28538,56799,56251,46810,47853,23413,28123,46811,28013,91,0,0,0
1980 DATA 0,0,0,46957,31670,56039,48058,61174,28525,30175,60911,56758,28086,46811,426,0,0,0
1990 DATA 0,0,0,56027,55158,48605,60277,47981,64247,61274,48054,56173,56173,54998,349,0,0,0
2000 DATA 0,0,32768,28084,28395,63419,57071,56799,44510,55031,46941,46811,46813,28077,171,0,0,0
2010 DATA 0,0,32768,46955,27989,43607,14038,56245,57050,47982,30445,56247,28086,23387,437,0,0,0
2020 DATA 0,0,0,55991,56254,57326,60858,46774,30139,46957,44470,28022,56171,60118,854,0,0,0
2030 DATA 0,0,32768,28122,47987,30141,64439,28123,56247,61147,56173,46829,46813,22381,219,0,0,0
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2050 DATA 0,0,32768,56173,55150,56302,32507,62903,46829,48109,48887,48045,46811,28077,685,0,0,0
2060 DATA 0,0,32768,28086,48565,28511,62935,44790,65243,60254,60270,28030,56173,60246,346,0,0,0
2070 DATA 0,0,32768,47981,27387,48569,43886,31597,54719,57083,56794,46805,46811,22253,747,0,0,0
2080 DATA 0,0,32768,30427,63319,60151,57277,47071,44917,28077,48055,56251,28086,46811,941,0,0,0
2090 DATA 0,0,49152,44470,24045,47067,48491,61114,30446,64375,46781,28526,56175,27990,347,0,0,0
2100 DATA 0,0,16384,56173,48058,57006,62430,56181,64365,22510,60907,47853,46837,46829,694,0,0,0
2110 DATA 0,0,49152,32182,63319,31613,44923,48623,45019,48477,24543,62939,28078,55003,1002,0,0,0
2120 DATA 0,0,16384,42315,19050,54739,30421,30557,55991,64443,47802,44983,30573,47963,1325,0,0,0
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2150 DATA 0,0,16384,56247,55150,30685,30447,65405,61367,64507,65398,65243,63455,56157,1373,0,0,0
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2170 DATA 0,0,49152,28086,48635,56765,61302,48055,32237,56759,63419,28542,47835,46813,213,0,0,0
2180 DATA 0,0,32768,46811,27541,48107,23995,61309,55005,32733,56183,47845,55223,28086,987,0,0,0
2190 DATA 0,0,40960,32237,63343,28087,64503,46806,48059,54651,28374,28123,28013,56171,2870,0,0,0
2200 DATA 0,0,49152,60342,44798,63198,46766,32239,28535,48055,48573,47039,46811,46813,365,0,0,0
2210 DATA 0,0,40960,55133,56786,28653,28539,56251,63214,61166,27611,55989,31670,27355,3029,0,0,0
2220 DATA 0,0,49152,48886,30143,55995,65015,63350,56797,24029,56763,32214,55151,56758,686,0,0,0
2230 DATA 0,0,40960,27051,56149,13636,18701,44763,46811,48053,47981,55163,56058,46518,2909,0,0,0
2240 DATA 0,0,40960,46973,48891,0,4224,0,512,8200,33344,2052,24576,43883,745,0,0,0
2250 DATA 0,0,49152,57046,27566,18472,1232,3075,16432,256,5,32800,50180,56158,3510,0,0,0
2260 DATA 0,0,53248,31598,30427,33810,16384,9362,34869,2338,10772,41312,51521,46773,813,0,0,0
2270 DATA 0,0,24576,54715,24445,12296,720,258,20608,32896,16420,514,25984,56171,1782,0,0,0
2280 DATA 0,0,40960,28533,28087,9282,8321,11265,16434,800,6665,4168,49162,46518,2765,0,0,0
2290 DATA 0,0,53248,47982,32219,8,33808,2340,2320,2305,10244,41232,25600,22235,1453,0,0,0
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3000 DATA 37449,18724,9362,37449,18724,9362,37154,18724,9362,8777,9361,8738,8738,18722,9362,37449,18724,82
3020 DATA 9362,37449,18724,9362,37449,18724,37444,37412,37412,4388,9353,8738,8738,9361,37449,18724,9362,73
3030 DATA 18724,9362,37449,18724,9362,37449,9362,18761,9362,19017,37458,38036,38036,18724,9362,37449,18724,18
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3060 DATA 18724,9361,37449,9540,9365,4681,18725,37522,18724,21650,37458,38036,9364,18725,21650,37449,18724,73
3070 DATA 43593,19108,9362,43177,18720,42130,37448,9252,37449,33060,9348,8481,18721,37448,9508,9362,4681,18
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3110 DATA 2706,42057,18724,38178,9364,4681,9509,18761,21028,43474,34961,37156,8776,18725,37449,18724,41610,18
3120 DATA 20772,4754,37449,9364,18721,42130,34884,4624,35145,62052,21028,9362,21541,8778,9362,37449,5204,36
3130 DATA 8777,42057,9364,18721,37450,16932,21138,18762,21010,62618,33929,19012,33416,18576,18725,9362,41633,73
3140 DATA 38034,2340,18721,37450,9364,10385,33833,41508,34980,64532,10578,4393,10533,4645,37448,18724,18698,18
3150 DATA 8484,42129,9364,9361,35105,37444,10564,5265,9481,64773,16900,42050,37448,42312,9362,37449,10836,36
3160 DATA 19017,4676,37449,18724,8778,9362,16914,16970,18514,48963,38056,2344,9361,34853,18724,9362,37025,74
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3180 DATA 18980,9282,33865,18576,4644,18706,37410,37012,43156,28480,18729,33928,9488,35106,37156,18724,21666,42
3190 DATA 42121,18580,20754,9482,18761,33953,17556,17672,50466,32736,9362,20773,37450,9364,9289,9362,35081,68
3200 DATA 4690,34081,9380,34977,37412,21012,10530,10405,26692,31720,37129,9288,18577,37410,35088,37448,21076,18
3210 DATA 18561,20628,35080,20756,9362,34978,33352,34056,12946,49136,17572,4754,8778,8521,21066,8482,33954,36
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3230 DATA 10312,9364,1156,10505,17573,18514,17481,17034,10564,24572,16970,10532,9354,8850,9361,4257,21074,18
3240 DATA 17042,37153,43090,17572,10512,1353,10530,37969,6674,45053,5264,16913,18513,17441,37130,42260,33924,36
3250 DATA 37897,9364,17033,37448,33354,21008,16969,8836,6308,8126,41253,10564,4740,37514,17568,2210,10537,73
3260 DATA 8866,37410,10512,9253,10532,37194,10532,37929,39490,44031,5268,16937,42025,9296,4682,42249,21072,18
3270 DATA 37961,17476,4682,37521,17474,9361,16914,8850,3369,6127,18721,10562,2370,18565,18705,18596,33930,36
3280 DATA 17042,4754,17553,18500,4392,37410,10568,17481,52370,22015,8778,33833,21012,9512,9290,4361,10513,73
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3310 DATA 34953,37000,18724,9481,8745,18498,37522,42132,46656,21239,5194,38053,33954,18706,37512,9364,21066,73
3320 DATA 4644,2597,8722,34850,37952,9480,9289,2337,64661,42175,41252,8520,10500,4644,17445,16930,2193,18
3330 DATA 42129,41104,35144,9544,16682,36946,18724,21066,64802,2735,5257,35345,37032,41288,4752,10377,21026,37
3340 DATA 586,19013,9250,16933,5265,2697,9361,42121,65172,20565,8786,20554,18949,5125,9290,37458,17556,72
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3360 DATA 4228,9490,2082,33346,18706,4425,18706,18431,48458,32586,5119,43156,38026,1162,4228,4372,16917,18
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3380 DATA 1090,33300,17474,16930,20625,2385,63753,24509,21887,55165,14190,5162,43173,17482,8514,8514,9257,37
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3400 DATA 33924,33044,34066,41106,9248,18706,28434,63149,32762,37173,30634,18517,5161,33941,4164,4773,18513,74
3410 DATA 21073,21570,20552,5380,17045,4644,48033,41218,38573,43692,44765,1315,8836,20546,19080,18568,1284,33
3420 DATA 2306,297,2705,18513,10304,41281,12244,0,18811,10773,64373,20619,18513,34089,36946,8738,20649,20
3430 DATA 41129,21632,40994,33412,34058,2580,2802,1152,4628,21157,55251,35374,1284,10372,9508,17556,34050,66
3440 DATA 2564,8746,5444,5202,20560,20808,1001,8256,42089,21834,64173,8347,20562,37137,34962,34882,10280,20
3450 DATA 20817,34881,16402,41224,2698,33829,692,2120,27304,43601,22379,38207,2696,17570,8772,9480,17730,33
3460 DATA 1058,8852,10916,2597,20512,21136,33018,33024,38052,27284,61149,16571,40994,37396,18728,37029,4116,74
3470 DATA 21129,37921,32776,20544,2709,9221,94,4128,11712,55973,56795,2654,5444,18753,9282,8720,19106,17
3480 DATA 2084,16522,10914,650,41026,37544,8246,16932,42261,46932,46902,20501,16401,9236,35113,33858,8456,68
3490 DATA 41617,5392,17417,21584,5385,17474,2143,4240,6944,60117,48618,1366,10914,17057,4242,21140,33954,18
3500 DATA 2052,8261,37028,258,16464,10516,13,33824,54596,23978,28543,43051,32772,10500,19012,2081,21001,72
3510 DATA 9553,35472,1280,21588,35461,17568,23,8201,46226,60282,48890,642,10921,16552,8457,8842,2212,17
3520 DATA 16386,4133,43093,128,20520,51466,16911,35144,27304,55973,30047,21589,16384,10821,33874,18464,20737,34
3530 DATA 10921,41608,640,43605,642,37457,4101,8200,39234,63197,23541,33026,10922,36880,10368,1354,33364,4
3540 DATA 33028,1058,10282,16648,21524,58500,131,17698,21845,44475,27582,10793,33792,1354,16661,20496,5153,41
3550 DATA 5201,43144,16704,5157,32929,18514,32779,10244,27304,55253,23295,32834,4778,10272,35360,1346,8842,64
3560 DATA 41092,290,2581,8512,21770,58632,9221,16724,21077,15871,48621,10900,40960,17034,4245,20500,18464,21
3570 DATA 1297,10756,20640,17429,2080,53841,65,10754,21842,61437,24251,16416,1365,5200,41536,34114,4746,34
3580 DATA 43042,16552,517,34976,42314,58500,37378,18596,54613,61421,11950,2709,43136,16642,5141,10248,17424,8
3590 DATA 324,5377,21672,9477,16,59689,129,9490,60074,61183,39295,20488,597,5204,16704,16721,37541,34
3600 DATA 43529,41044,2,36946,21834,29250,18449,18501,32085,61439,9686,2725,43008,16514,2581,2562,8,68
3610 DATA 162,1282,43688,17672,8736,59689,512,37522,65196,61405,38783,41232,682,5416,20640,20820,43681,40
3620 DATA 21768,43048,2,34849,18570,46148,20642,43553,63402,65023,10107,1061,21508,16453,33285,1024,10,1
3630 DATA 32849,322,10920,21130,37152,61714,1028,42133,32726,55295,19326,43336,338,5392,5288,20821,43680,84
3640 DATA 5378,43528,16386,1056,9365,43552,20661,10529,65525,64989,38879,530,43520,16418,8705,33280,10,2
3650 DATA 41044,162,35496,20618,37448,20810,34121,21844,56831,61439,8826,43332,170,5449,18602,5205,43680,40
3660 DATA 1281,43528,4098,34080,18722,43524,21138,19081,65535,23421,38573,16402,21760,41476,8704,41088,10,1
3670 DATA 20564,161,41640,10250,33300,59560,19818,53842,32699,61167,19447,5448,85,2385,34986,1322,10912,42
3680 DATA 2305,20996,2050,17056,10561,29957,43653,60052,56319,32703,9949,8741,43656,40964,8704,20480,16389,0
3690 DATA 8340,2217,8521,2053,17450,62544,46352,64165,65278,63483,35775,18576,37,5456,34986,682,5456,85
3700 DATA 35393,16896,17440,20816,34945,47754,26660,64853,44887,24319,22525,4362,21826,16389,8704,21504,16389,0
3710 DATA 8212,2218,2181,2565,20756,28964,17729,22363,65533,63423,9149,42145,40,38224,34986,340,5456,21
3720 DATA 34113,8704,8720,41040,8736,31305,43284,65014,65463,65006,22381,4682,43665,2,8704,41986,16388,32
3730 DATA 4100,34962,18594,2693,37957,59682,9378,65449,48125,65535,34299,18576,10,21844,34901,4240,5458,5
3740 DATA 41553,8736,516,9232,8840,29832,18697,32746,65535,48127,10911,33317,43680,0,8832,16964,16384,80
3750 DATA 2308,32906,10320,16545,18513,63781,43600,61434,32731,61311,44919,5268,10,21845,2069,5137,5461,5
3760 DATA 8273,5152,33026,5380,34058,27208,21157,48125,61183,64475,6125,41289,21840,0,16544,16708,16384,16
3770 DATA 34052,41226,10792,41000,20768,62610,21780,65279,65535,65534,45019,2578,133,21845,5381,1041,4693,69
3780 DATA 4129,1088,32898,1346,33941,26916,43337,61375,65501,46591,20351,9380,21800,0,16424,20612,16640,16
3790 DATA 17544,37129,4648,10248,10304,62793,43602,65527,48127,57279,39901,18760,69,21845,2689,545,5193,65
3800 DATA 4129,17444,16512,17058,17685,62610,60074,64511,65279,27133,16255,37,21776,512,8212,10376,16674,20
3810 DATA 17028,4418,5157,2056,10528,59689,64165,32509,65463,65519,49022,21832,32805,10410,35137,16930,5128,1
3820 DATA 2065,17,16656,20769,17477,53826,64170,65471,57343,61181,16123,533,21833,33040,8712,2056,16545,84
3830 DATA 8772,21636,1093,1156,34952,62612,48469,57327,65535,65471,48623,43336,528,5189,32930,8512,2570,1
3840 DATA 35089,528,20736,20497,20753,43298,65173,65535,64445,57339,23483,1106,21570,16648,5128,17418,8480,36
3850 DATA 8256,36930,84,1348,35364,57876,65387,65021,32751,65007,55919,20773,8341,5157,16673,2208,34953,0
3860 DATA 33290,1160,10754,8209,8513,60065,61397,57311,57343,49149,44027,35403,38184,16704,5252,8709,8738,42
3870 DATA 10401,41488,32912,35392,18964,21642,32727,65535,63229,63359,53238,9367,66,1034,16401,32912,34816,0
3880 DATA 520,2117,4612,8202,37024,58708,65003,65279,65535,65527,61421,18727,21801,20816,2372,5186,8874,18
3890 DATA 36930,8448,16545,4768,9477,51745,65535,30651,32735,48127,27518,4695,33298,2,8208,16649,2048,64
3900 DATA 2312,1108,5124,18437,21672,43338,30710,65535,62975,57215,65519,41706,10404,43668,2690,9248,16677,21
3910 DATA 8225,20481,16529,33360,33058,37546,57215,65535,49147,47095,47071,38391,33034,64,16424,137,4624,0
3920 DATA 33412,1352,4608,10242,10820,42257,61439,48111,65215,65023,56319,9687,10832,37394,2304,43552,34884,36
3930 DATA 10257,8192,34901,17064,18729,21578,56303,65275,65535,24510,46555,18943,32901,136,8266,5,8448,16
3940 DATA 576,1173,256,4096,37442,8868,44797,65534,61403,65519,19455,37815,5416,21538,512,9360,33877,2
3950 DATA 4106,36864,21540,17557,9364,38025,20478,57339,64511,65019,43709,9455,40997,256,43177,260,4352,72
3960 DATA 17568,681,128,37376,19016,10578,12223,63453,32511,65407,49847,18943,3016,9258,4,43040,16420,2
3970 DATA 4105,43008,37386,164,37009,16932,20474,65258,65526,57327,43359,37501,22514,32896,9504,1157,5248,40
3980 DATA 33344,548,160,10752,10826,23189,39933,65460,65535,65533,33325,9455,3773,2597,2,16400,16394,1
3990 DATA 2069,8320,21506,32853,16656,33966,24314,65225,28607,32511,59735,19135,24350,41088,43592,2372,4768,68
4000 DATA 41600,33802,72,9472,37957,10562,40890,46482,64495,63423,53285,37039,7750,2090,32,40960,4,17
4010 DATA 36,4384,17664,4178,18696,42243,16372,60709,65531,24559,58005,9533,49047,16640,37130,1172,9360,0
4020 DATA 37377,16392,4178,16896,4177,19017,32757,60072,61438,47101,62498,21599,8011,1060,1088,36864,32772,36
4030 DATA 72,2626,33288,2196,42242,5921,63466,38037,32511,11775,59716,35119,49059,20608,8201,1353,5408,0
4040 DATA 10498,16400,2114,40962,2088,19531,65001,43298,65018,19327,47625,53838,14309,554,2336,8192,16393,21
4050 DATA 32784,1156,41232,2720,42306,40789,65490,43595,65462,4853,64850,35483,40937,18432,16386,554,576,0
4060 DATA 4673,20512,2049,16388,53256,24571,65492,2815,56169,19119,65269,53543,16343,658,4776,18560,10245,34
4070 DATA 16388,258,33060,4368,41633,16383,57161,32767,65514,62815,65503,59989,36343,36928,32770,4,33104,0
4080 DATA 1360,9288,9216,1090,62468,31727,64466,65502,65535,65533,56829,57483,24567,532,4640,9360,2049,20
4090 DATA 36865,32768,74,40968,63632,65407,65316,65535,31679,65279,65535,47698,3069,10369,16393,1,8740,1
4100 DATA 1060,2378,18688,578,55810,57338,65097,63223,65517,28607,64507,64805,12223,36,2368,19108,128,16
4110 DATA 8320,8192,145,18448,30888,65524,61075,49150,57343,65519,48863,65352,22271,21121,8210,0,9225,1
4120 DATA 33289,548,37892,130,63489,63357,64815,65535,65023,65531,32767,60821,3855,40,33280,18452,288,36
4130 DATA 2080,18560,288,4616,61732,24559,64093,64991,65407,31743,47095,65506,38878,38144,2194,320,18434,0
4140 DATA 8322,9,8201,16545,29696,49151,54448,57341,49133,65279,24575,65528,9135,74,8192,9225,584,73
4150 DATA 520,18720,2624,1032,57673,32255,62187,65535,61439,57279,14205,57341,38887,20992,594,32896,8192,0
4160 DATA 18465,2,16402,20610,18432,65467,54657,64991,64511,65517,22527,64383,2813,170,18432,9234,1170,9
4170 DATA 136,37448,4224,1040,20626,61421,22295,57335,49085,65535,38383,65535,42431,18944,138,64,8192,32
4180 DATA 37378,0,33316,32900,41472,65490,56495,65534,25983,63485,60414,32751,2815,37,37408,35076,2340,9
4190 DATA 32,9362,4097,4640,18516,31317,47423,65021,31471,65267,64191,61435,42351,37520,4,8208,16384,0
4200 DATA 9348,0,33352,16388,8450,64853,58111,49014,64251,49084,64891,64383,2490,2,37440,580,585,36
4210 DATA 32801,18724,4098,2336,33808,58708,34299,63451,64511,61438,32599,49151,42346,21672,9,2048,34816,0
4220 DATA 4608,0,33056,20484,4421,43336,22399,44399,49151,24575,57301,45055,2218,513,18720,16658,8338,8
4230 DATA 32836,37156,9224,1312,16400,10789,8157,43868,65503,47071,65514,43447,21850,146,9,4096,512,2
4240 DATA 1040,1024,64,16386,2690,54400,65534,51570,65018,19959,64509,22271,41557,21512,37440,584,34833,32
4250 DATA 8449,73,35081,2192,8200,20757,32745,37609,61439,44029,65530,43710,5290,289,18,16384,64,8
4260 DATA 72,8704,8192,41472,2338,17472,60917,42883,57308,38399,57214,10927,41233,8196,8448,1058,37124,0
4270 DATA 9216,145,1169,146,16384,37129,65450,11871,61183,58743,63487,19115,19018,2642,1057,4360,1057,4
4280 DATA 34,18436,32768,9216,4777,9248,65194,22879,65492,59887,65503,42157,10916,16385,16648,16386,16384,32
4290 DATA 18696,512,4388,264,32772,34954,48468,62839,26538,64171,32759,2389,17481,2388,4160,1088,580,2
4300 DATA 2,32930,0,36929,5184,8480,60240,43773,44373,32343,24063,20779,10898,32769,1028,17,4097,16
4310 DATA 8768,4096,9352,1040,16644,35397,59978,22527,27467,65429,28671,33941,20820,4650,16528,18688,16528,2
4320 DATA 8,521,32769,8452,2065,8232,43684,45055,21678,61413,23419,43557,35402,32900,1028,68,1024,32
4330 DATA 18561,4128,9360,64,8512,35457,21522,64989,42298,64490,22014,4233,21649,9233,4160,4097,8457,4
4340 DATA 16,16512,2,17426,1042,8228,43332,65526,18679,65276,22207,18978,2346,290,530,272,32,1
4350 DATA 2308,1033,37408,4352,41216,17552,20497,57341,43999,65518,38255,21652,21157,32777,8192,9220,17410,16
4360 DATA 8256,8256,4,32840,2084,4610,35490,64426,19455,48787,10927,8457,38034,4644,33344,32832,4160,0
4370 DATA 1041,530,4673,8706,33024,41128,20500,65389,57342,61349,17749,19026,18729,128,2066,2064,264,34
4380 DATA 33024,4096,16400,2080,2066,2562,19009,64938,32631,64488,4693,38021,37444,18474,8448,258,34818,0
4390 DATA 4164,1088,2308,33033,41536,20648,37140,56148,38911,32730,18581,8490,9385,128,66,36864,544,8
4400 DATA 16,16402,16448,2112,2052,34050,1090,62793,12287,24565,41557,18960,18706,37413,17424,548,16384,0
4410 DATA 8705,256,4113,8708,41617,10280,20744,21845,17851,22271,1029,37189,4772,8,0,129,4164,34
4420 DATA 32832,2056,1280,33,2048,17730,33825,54564,53758,44030,21162,10770,42057,9282,2338,18432,512,0
4430 DATA 9220,8256,66,18560,41554,2320,4426,43593,54334,43775,2050,16708,19090,260,16392,8,32785,8
4440 DATA 272,514,8200,530,2052,20642,41984,43154,62805,23279,17060,43537,4388,18449,514,578,2176,0
4450 DATA 2,16400,33280,36864,8480,42244,2218,9514,64143,19451,2313,2368,17481,68,4160,36864,16388,36
4460 DATA 18496,2176,4241,1168,35346,2216,20992,21073,65187,6142,37026,21012,658,18689,32784,1040,544,0
4470 DATA 520,2,0,8196,64,21057,8341,42122,65448,24447,2568,42146,10276,16,2305,128,4096,1
4480 DATA 32770,4368,33826,32832,20756,33940,18976,31017,49109,49151,41122,2184,33417,4676,68,8194,137,16
4490 DATA 4384,32768,8448,2576,1024,10496,4234,2626,61434,65519,1280,42274,9252,16384,8192,528,17408,4
4500 DATA 0,1092,8,16388,32850,41556,19024,22357,48125,65023,20567,4680,129,1161,2312,132,32,0
4510 DATA 17426,8192,2114,257,4352,2176,20741,18834,44927,61310,1295,18562,18986,36896,66,36865,516,1
4520 DATA 128,272,512,36928,36,21033,33832,58596,21487,65517,36927,37456,128,514,16384,1024,4224,16
4530 DATA 4096,34817,16520,16,8704,33920,43330,59962,44287,32762,763,9348,36885,8328,1040,144,32,4
4540 DATA 530,136,0,1028,73,4117,38164,62604,43710,57298,37375,18704,576,2048,260,16388,16386,0
4550 DATA 128,8194,9234,8192,17408,42304,8354,65363,2735,64341,1983,33860,8210,544,8193,1025,1024,0
4560 DATA 36896,1088,64,129,4368,2068,54536,65186,8875,65364,12271,4353,2048,2,64,64,32840,36
4570 DATA 2,32784,256,33808,4,41281,42066,57300,35146,64680,16381,8208,585,16400,1040,36880,2048,0
4580 DATA 528,2048,18468,8192,17472,2568,14980,63465,42,27298,65023,2626,32768,1152,8192,514,256,0
4590 DATA 36864,260,0,2114,4352,41121,17704,48638,35154,60032,65535,16389,4130,4,258,0,8210,9
4600 DATA 130,8256,1153,528,16457,46084,43842,24570,8197,38164,61407,4399,264,36864,32832,4160,2048,0
4610 DATA 1040,2064,8200,0,1024,65296,18677,42879,2602,43009,65014,33919,34816,288,2064,33800,576,0
4620 DATA 8192,513,32,16385,37124,22338,62815,23551,8256,21160,65533,12285,66,8,0,256,8,17
4630 DATA 130,32776,2304,2184,16,2440,59904,43743,2698,8193,49138,65503,517,2050,8193,65,16384,0
4640 DATA 2064,8258,16388,0,21057,42434,64874,21883,16528,33316,61140,49279,36943,16896,2320,16400,4226,0
4650 DATA 33280,512,4128,16930,16,720,32656,2719,4612,2176,65445,10935,30,64,0,4096,32,36
4660 DATA 4,0,264,0,37380,43396,65494,9399,145,16405,65096,17661,2335,0,4,1026,1024,0
4670 DATA 8256,18576,2050,2048,128,19168,57321,341,9216,256,31378,22015,93,4100,17472,64,32772,0
4680 DATA 1024,4,16896,32914,9248,21890,65018,19030,290,2081,62624,56319,16447,33056,0,16,8321,0
4690 DATA 18,513,32,8192,32776,43984,49149,37013,4096,16904,58632,32703,4639,0,8,4100,2080,36
4700 DATA 256,8256,1,1024,2304,32640,44991,554,33348,128,34945,61431,151,2050,9344,512,0,0
4710 DATA 4096,2064,9352,137,16450,65412,44031,21650,16,4100,21024,65534,31,33312,0,32769,0,0
4720 DATA 32776,0,0,0,4096,61344,22519,5,18433,1056,43010,65278,32813,0,8,8256,16648,4
4730 DATA 578,33028,0,8192,528,64265,22269,4752,132,16640,32784,61420,2311,8,128,1040,2112,0
4740 DATA 0,4160,37448,548,16386,54912,35775,32770,32,9,8452,32765,85,4352,18433,4,0,32
4750 DATA 36864,0,0,32768,1088,54304,5119,4424,9216,4096,2049,65278,32789,0,16,0,2,1
4760 DATA 1040,520,1,4096,4096,58626,9726,1,260,288,33312,61374,8194,32,256,8448,8224,0
4770 DATA 130,8320,9360,1089,32784,59664,1519,9252,65,18441,0,32760,1029,17416,32772,64,512,8
4780 DATA 0,33,0,8,260,54336,8959,1,4096,0,132,32756,289,0,2048,2056,2,0
4790 DATA 8224,2048,2,0,2049,49156,2427,128,16,256,18465,48616,0,258,544,32768,4160,1
4800 DATA 1028,32776,37440,16640,16384,33280,639,18440,16900,18500,0,28581,32768,8192,2,1,16,32
4810 DATA 256,8448,16,4164,576,37008,16542,2,128,0,4352,38184,4104,64,16384,576,1024,8
4820 DATA 0,65,0,0,0,32770,676,576,4097,0,36,10832,128,2048,64,8208,0,2
4830 DATA 8210,2064,9216,0,8200,32768,42,8192,16,8721,513,37505,0,16,1026,0,16642,0
4840 DATA 256,0,273,2,2048,2048,8529,2057,512,0,4224,9512,1056,32770,0,0,32,0
4850 DATA 0,16388,0,35088,128,72,10,576,8322,128,8,2048,16392,8448,8224,16898,0,0
4860 DATA 34884,1152,32768,0,32,16385,16,0,0,4100,32769,256,0,0,512,32,4096,32
4870 DATA 0,0,4128,0,8,1024,9280,32770,32,1,1056,4,2,64,0,4096,1028,9
4880 DATA 0,8208,516,0,8194,0,4,4240,2048,16896,256,8256,512,2056,8,8,64,0
4890 DATA 8466,516,0,17476,1024,64,0,0,0,64,16388,0,8192,2,4096,513,0,0
4900 DATA 0,0,1,1,0,32784,37120,1024,516,16,0,0,64,0,129,0,0,0
4910 DATA 0,4224,16512,0,0,4100,64,68,32897,8192,32,1028,16,0,0,32768,32776,0
4920 DATA 33824,0,4128,0,256,1025,0,0,0,2048,514,33025,0,16896,0,128,4352,0

32
samples/sample.bodymass.txt Normal file
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@ -0,0 +1,32 @@
10 REM A Simple Body Mass Index Calculator.
20 REM Written by Tim Dwyer on 5 July 2011.
30 HOME
40 DIM height
50 DIM weight
60 DIM bmiCalc
70 DIM keepGoing$
80 PRINT "***************************"
90 PRINT "* *"
100 PRINT "* Simple BMI Calculator *"
110 PRINT "* *"
120 PRINT "***************************"
130 PRINT ""
140 PRINT ""
150 INPUT "Input your height (inches): "; height
160 INPUT "Input your weight (lbs): ";weight
170 bmiCalc = (weight/(height*height))*703
180 PRINT ""
190 PRINT "Your BMI is ";bmiCalc
200 PRINT ""
210 PRINT ""
220 INPUT "Calculate another? (y/n): ";keepGoing$
230 IF keepGoing$ = "y" or keepGoing$ = "Y" GOTO 130
240 IF keepGoing$ = "n" or keepGoing$ = "N" GOTO 300
250 IF keepGoing$ <> "y" or keepGoing$ <> "Y" GOTO 270
260 IF keepGoing$ <> "n" or keepGoing$ <> "N" GOTO 270
270 PRINT ""
280 PRINT "That is not a valid selection."
290 GOTO 200
300 PRINT ""
310 PRINT "Goodbye!"
320 END

25
samples/sample.boys_surface.txt Normal file
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@ -0,0 +1,25 @@
10 REM Boy's Surface
20 REM From the book "Topologicon" by Jean-Pierre Petit
100 PI=3.141592:P3=PI/3:P6=PI/6:P8=PI/8
110 HGR : POKE 49234,0
120 HCOLOR=3
130 FOR MU = 0 TO PI STEP 0.1
140 D=34+4.79*SIN(6*MU-P)
150 E=6.73*SIN(3*MU-P6)
160 A=D+E
170 B=D-E
180 AL=(P8)*SIN(3*MU)
190 C1=A*A-B*B
200 C2=SQR(A*A+B*B)
210 CM=COS(MU)
220 SM=SIN(MU)
230 FOR TE=0 TO 6.282 STEP .03
240 X1=C1/C2+A*COS(TE)-B*SIN(TE)
250 Z1=C2+A*COS(TE)+B*SIN(TE)
260 REM KOORDINATEN
270 X=X1*CM-Z1*SIN(AL)*SM
280 Y=X1*SM+Z1*SIN(AL)*SM
300 REM ZEICHNUNG
310 HPLOT 140+X,96+Y
320 NEXT TE
330 NEXT MU

23
samples/sample.charset.txt Normal file
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@ -0,0 +1,23 @@
100 PR#0 : HOME
110 PRINT "80 Col Firmware Inactive"
120 GOSUB 1000
130 PRINT : PRINT "Press any key "; : GET A$
200 PR#3 : PRINT CHR$(17); : HOME
210 PRINT "80 Col Firmware Active"
220 GOSUB 1000
999 END
1000 PRINT : PRINT "Normal" : NORMAL : GOSUB 2000 : NORMAL
1010 PRINT : PRINT "Inverse" : INVERSE : GOSUB 2000 : NORMAL
1020 PRINT : PRINT "Flash" : FLASH : GOSUB 2000 : NORMAL
1030 PRINT : PRINT "Mousetext" : PRINT CHR$(27);CHR$(15); : GOSUB 2000 : PRINT CHR$(14);CHR$(24)
1040 RETURN
2000 FOR I = 32 TO 127 STEP 32
2010 : FOR J = 0 TO 31
2020 :: PRINT CHR$(I+J);
2030 : NEXT : PRINT
2040 NEXT
2050 RETURN

9
samples/sample.connections.txt Normal file
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@ -0,0 +1,9 @@
10 TEXT : HOME : INPUT "NUMBER OF POINTS:";A: HCOLOR= 3
20 HGR : POKE -16302,0
30 FOR T1 = 0 TO (2 * 3.14) - .001 STEP ((2 * 3.14) / A)
40 FOR T2 = (T1 + (2 * 3.14) / A) TO (2 * 3.14) - .001 STEP (2 * 3.14) / A
50 HPLOT ( COS (T1) * 95 + 127),( SIN (T1) * 95 + 95) TO ( COS (T2) * 95 + 127),( SIN (T2) * 95 + 95)
60 NEXT
70 NEXT
80 GET A$
90 GOTO 10

1
samples/sample.default.txt Normal file
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@ -0,0 +1 @@
10 PRINT "Hello World"

25
samples/sample.february.txt Normal file
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@ -0,0 +1,25 @@
1 REM 25 THINGS
2 TEXT
3 HOME
4 GR
5 LET E = 0
6 LET V = 100
7 HTAB V/10 - 1
8 VTAB 23
9 COLOR = V/100
10 FOR L = 0 TO V + E
11 LET V = E
12 LET E = L/10
13 VLIN 20,20+(L/100)*20 AT (E)+10
14 VLIN 20,20+(L/100)*20 AT 30-(E)
15 VLIN (SIN((L+27.1)/10)*7)+12,20 AT L/5+10
16 LET E = V
17 LET E = E + 1
18 IF E = 4 THEN GOSUB 21
19 NEXT
20 END
21 LET V = INT(L/E)+1
22 PRINT V" ";
23 LET E = 0
24 RETURN
25 REM BY API

47
samples/sample.gaussian.txt Normal file
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@ -0,0 +1,47 @@
5 rem Plot Gaussian distribution in two dimensions
10 text: home: PRINT "Std. Dev. = ";: input s1
20 hgr: hcolor = 3
30 w = 279: h = 159
40 w0 = w - 100: w1 = w0/10
45 h1 = h - 100: h2 = h - 60
50 k = 0.5: m = 1 / (2 * 3.14159265 * s1 * s1)
60 for i = 0 to 10 step k
70 x = 10 * i + 1: y = 10 * i + h1
75 hplot x,y
80 for j = 0 to w0 step 1
85 j1 = 10 * j / w0
90 d1 = abs(5 - i)
100 d2 = abs(5 - j1)
110 r2 = (d1*d1+d2*d2)/(2*s1*s1)
120 g = exp(-r2)/(2*3.14159*s1*s1)
130 a = int((h2 * g)/ m)
140 x = 10 * i + w1 * j1 + 1
150 y = 10 * i + h1 - a
160 hplot to x,y
170 if (i = 0) goto 265
175 if (j = w0) goto 190
180 j2 = int(j/10): if ((j/10) <> j2) goto 290
190 d1 = abs(5 - i + k)
200 d2 = abs(5 - j1)
210 r2 = (d1*d1+d2*d2)/(2*s1*s1)
220 u = exp(-r2)/(2*3.14159*s1*s1)
225 a1 = int((h2 * u)/ m)
230 x1 = 10 * (i - k) + w1 * j1 + 1
240 y1 = 10 * (i - k) + h1 - a1
245 rem if (y <= y1) goto 290
250 hplot to x1,y1
260 hplot x,y
265 if (j = 0) goto 310
270 if (i < 10) goto 290
275 if (j = w0) goto 295
280 j2 = int(j/10): if ((j/10) = j2) goto 295
290 hcolor = 0
295 hplot to x,10 * i + h1
300 hcolor = 3
305 hplot x,y
310 next j
320 next i
330 hplot w+1,h: hplot to 100+1,h: hplot to 0+1,h1
340 vtab 21: print "Gaussian (standard deviation = ";s1;")"
350 print "Plot from -5.0 to + 5.0"
360 print "Peak value = "m

48
samples/sample.hacker.txt Normal file
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@ -0,0 +1,48 @@
5 REM http://www.geocities.com/mmphosis/apple2/contest/2007/old-computer-challenge.html
10 GR
20 POKE 49234,0 : rem fullscreen
30 COLOR= 15
40 FOR I = 0 TO 39
50 VLIN 0,47 AT I
60 NEXT
100 COLOR= 5
110 S = 21
120 W = S
130 H = 27
140 X = INT ((40 - W) / 2)
150 Y = INT ((48 - H) / 2)
160 D = INT (W / 3)
161 DX = D
170 Y2 = Y + H
180 X2 = X + W
200 FOR I = 0 TO 3
210 VLIN Y,Y2 AT X + I * D
220 NEXT
240 D = INT (H / 3)
250 FOR I = 0 TO 3
260 HLIN X,X2 AT Y + I * D
270 NEXT
280 YH = INT (D / 2)
281 YM = Y + H - YH
290 XH = INT (DX / 2)
300 COLOR= 0
310 FOR I = 0 TO 2
320 YY = YM
330 XX = X + XH + I * DX
340 GOSUB 500
350 NEXT
400 YY = YY - D
410 GOSUB 500
420 YY = YY - D
430 XX = XX - DX
440 GOSUB 500
450 K = PEEK ( - 16384)
460 IF K < 128 THEN 450
470 K = PEEK ( - 16368)
480 TEXT : HOME
490 END
500 VLIN YY + 1,YY - 2 AT XX
510 VLIN YY + 1,YY - 2 AT XX + 1
520 VLIN YY,YY - 1 AT XX - 1
530 VLIN YY,YY - 1 AT XX + 2
540 RETURN

613
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100 REM ***HANGMAN**
120 REM BY MIKE GLEASON, 1986, 2011
140 REM
160 REM ==WELCOME SCREEN==
180 TEXT : HOME :SW = PEEK (33):ES$ = "": GG = 1: SND = 1: DD = 0.040: JY = 0
188 DD = 0.0010 : SND = 0: GOTO 380: REM Hack to work in the JavaScript emulator
200 IF (GG < 1) THEN 380
220 IF (PEEK(103) <> 1) THEN 280
240 IF (PEEK(104) = 64) AND (PEEK(16384) = 0) THEN 380
260 IF (PEEK(104) = 96) AND (PEEK(24576) = 0) THEN 380
280 PRINT "THIS VERSION OF HANGMAN IS TOO BIG"
300 PRINT "TO RUN WITHOUT HELP FROM YOU.":PRINT
320 PRINT "PLEASE TYPE THE FOLLOWING:":PRINT
340 PRINT "NEW":PRINT "POKE 103, 1":PRINT "POKE 104, 64":PRINT "POKE 16384, 0":PRINT "RUN HANGMAN"
360 END
380 VTAB 12:I = SW / 2 - 6: HTAB I: PRINT "_ _ _ _ _ _ _";
400 GOSUB 13800 : REM INIT SOUND
420 D = 1: GOSUB 800: HTAB I + 8: PRINT "M";
440 D = 1: GOSUB 800: HTAB I + 4: PRINT "N";: HTAB I + 12: PRINT "N";
460 D = 1: GOSUB 800: HTAB I + 6: PRINT "G";
480 D = 1: GOSUB 800: HTAB I + 2: PRINT "A";: HTAB I + 10: PRINT "A";
500 D = 1: GOSUB 800: HTAB I + 0: PRINT "H";
520 D = 2: GOSUB 800: HTAB I + 0: FLASH : PRINT "H A N G M A N": NORMAL : PRINT
540 D = 2: GOSUB 800
560 A$ = "(C) 1986, 2011 by Mike Gleason"
580 I = SW / 2 - ( LEN (A$) - 0) / 2
600 HTAB I: PRINT A$;
620 A$ = "Loading, please wait..."
640 I = SW / 2 - ( LEN (A$) - 3) / 2
660 VTAB 23: HTAB I: PRINT A$;: JY=1
680 GOTO 1100
700 :
720 :
800 REM ==DELAY SUBROUTINE==
820 REM Unfortunately, I don't know of a way to make this delay constant
840 REM across CPU speeds. For example, in an emulator, this code may
860 REM run too fast. You can try changing DD to modulate the speed.
880 IF ( PEEK (49152) > 127) THEN 940: REM SKIP DELAY UPON KEYBOARD INPUT
900 D = D - DD: IF D > 0 THEN 880
920 GOTO 980
940 A$ = CHR$ ( PEEK (49152) - 128)
960 IF (JY=1) THEN POKE 49168,0
980 RETURN
1000 :
1020 :
1100 REM ==INITIALIZE PROGRAM==
1120 DIM GZ%(32)
1140 GOSUB 3200: REM SETUP LIMBS
1160 GOSUB 13200: REM LOAD WORDS
1180 GOSUB 2500: REM SETUP SCREEN
1200 PRINT "Shall I be [e]asy, "
1220 PRINT " [m]edium, "
1240 PRINT " or [h]ard on you? ";
1260 POKE 49168,0: REM CLEAR KEYB BUFFER
1280 GOSUB 1800
1300 IF (A$ = "E") THEN EZ = 1: GOTO 1400
1320 IF (A$ = "M") THEN EZ = 2: GOTO 1400
1340 IF (A$ = "H") THEN EZ = 3: GOTO 1400
1360 PRINT : GOTO 1200
1400 REM ==GAME LOOP==
1420 HOME:VTAB 24
1440 CHEET = 0
1460 PRINT : GOSUB 2100
1480 PRINT "Play again? (Yes/No) ";: GOSUB 1800
1500 IF (A$ = "Y") THEN 1400
1520 ES$ = "": GOTO 1620
1600 REM ==CLEANUP AND EXIT==
1620 TEXT
1640 IF (ES$ = "") THEN 1720
1660 GOSUB 14300: REM RING BELL
1680 PRINT : PRINT "* ERROR: ";ES$;"."
1700 END
1720 HOME
1740 PRINT "GOOD BYE."
1760 END
1800 REM ==GET 1 UPPERCASE CHAR==
1820 GET A$:A$ = LEFT$ (A$,1)
1840 IF (A$ = CHR$ (1)) THEN CHEET = 1: GOTO 1980
1860 IF (A$ = CHR$ (27)) OR (A$ = CHR$ (3)) THEN 1600
1880 A = ASC (A$)
1900 IF ( ASC ("A") < = A) AND (A < = ASC ("Z")) THEN 2020
1920 IF (A < ASC ("a")) OR (A > ASC ("z")) THEN 1980
1940 A$ = CHR$ (A - ( ASC ("a") - ASC ("A")))
1960 GOTO 2020
1980 GOSUB 14300: REM RING BELL
2000 GOTO 1820
2020 RETURN
2040 :
2060 :
2100 REM ==GAME SUBROUTINE==
2120 GOSUB 3600: REM SETUP GRAPHICS
2140 GOSUB 9600: REM CHOOSE A SECRET WORD
2160 POKE 49168,0: REM CLEAR KEYB BUFFER
2180 NLIMBS = 0:GAMEOVER = 0
2200 FOR I = 0 TO 30:GZ%(I) = 0: NEXT I
2220 HOME: VTAB 21
2300 REM --GUESS LOOP--
2320 GOSUB 7400: REM DISPLAY STATUS
2340 GOSUB 7700: REM GET A GUESS
2360 GOSUB 8100: REM CHECK GUESS
2380 IF GAMEOVER = 0 THEN 2300
2400 RETURN
2420 :
2440 :
2500 REM ==SETUP SCREEN==
2520 TEXT : HOME : CB$ = "an" : CA$ = "ANIMAL"
2540 A$ = "Welcome to HANGMAN!": GOSUB 3000: PRINT : PRINT
2560 PRINT "You have been condemned for execution."
2580 PRINT "To escape this fate, you must guess"
2600 PRINT "the secret word (";CB$;" ";CA$;") by "
2620 PRINT "choosing letters from the alphabet."
2640 PRINT
2660 PRINT "The secret word's letters will be shown"
2680 PRINT "as dashes at first, and then will"
2700 PRINT "change to letters as you guess them."
2720 PRINT
2740 PRINT "With each incorrect guess, one body"
2760 PRINT "part will be added to the gallows."
2780 PRINT "Guess the secret word before all your"
2800 PRINT "limbs are hanging!"
2820 PRINT
2840 A$ = "Press any key to begin!": GOSUB 3000
2841 POKE 49168,0: REM CLEAR KEYB BUFFER
2842 I=1: REM Initialize random number generator
2845 IF ( PEEK (49152) > 127) THEN 2860
2848 I = I + 1
2850 IF I > 127 THEN 2842
2852 GOTO 2845
2860 GET A$
2863 L=RND(-I)
2880 HTAB 1: CALL - 868: REM ERASE STATUS MESSAGE
2900 RETURN
2920 :
2940 :
3000 REM ==PRINT CENTERED==
3020 HTAB (40 / 2 - LEN (A$) / 2)
3040 PRINT A$;
3060 RETURN
3080 :
3100 :
3200 REM ==SETUP LIMBS==
3220 DIM LIMBS$(11)
3240 LIMBS$(1) = "HEAD"
3260 LIMBS$(2) = "LEFT EYE"
3280 LIMBS$(3) = "RIGHT EYE"
3300 LIMBS$(4) = "NOSE"
3320 LIMBS$(5) = "MOUTH"
3340 LIMBS$(6) = "TORSO"
3360 LIMBS$(7) = "LEFT ARM"
3380 LIMBS$(8) = "RIGHT ARM"
3400 LIMBS$(9) = "LEFT LEG"
3420 LIMBS$(10) = "RIGHT LEG"
3440 LIMBS$(11) = "***HANGMAN***"
3460 RETURN
3480 :
3500 :
3600 REM ==SETUP GRAPHICS==
3620 IF (GG = 0) THEN 3680
3640 HGR : GW=280 : GH=160 : REM THIS IS ALL FOR NOW
3660 GOSUB 3800: REM DRAW GALLOWS
3680 RETURN
3700 :
3720 :
3800 REM ==DRAW GALLOWS==
3820 IF (GG = 0) THEN 3980
3840 HCOLOR=1:FOR I=GH-1 TO 152 STEP -1:HPLOT 0,I TO GW-1,I:NEXT I
3860 HCOLOR=3
3880 FOR I=152 TO 148 STEP -1:HPLOT 70,I TO 210,I:NEXT I
3900 FOR I=80 TO 88:HPLOT I,10 TO I,152:NEXT I
3920 FOR I=10 TO 18:HPLOT 88,I TO 147,I:NEXT I
3940 FOR I=0 TO 7:HPLOT 80,48+I TO 110+I,18:NEXT I
3960 FOR I=147 TO 145 STEP -1:HPLOT I,18 TO I,30:NEXT I
3980 RETURN
4000 :
4020 :
4100 REM ==DRAW LIMB==
4120 IF (GG = 0) THEN 4180
4140 ON NLIMBS GOSUB 4300, 4500, 4700, 4900, 5100, 5500, 5600, 5700, 5800, 5900
4160 GOTO 4200
4180 VTAB 21: HTAB 1: CALL -868: PRINT "Your ";LIMBS$(NLIMBS);" is now hanging!":
4200 RETURN
4220 :
4240 :
4300 REM ==DRAW HEAD==
4320 REM Note: It'd be quicker (and use less code) to just HPLOT out the
4340 REM circle by hand rather than calling my CIRCLE2 subroutine, but
4360 REM then the trigonometry lesson would be wasted.
4380 HCOLOR=2
4400 REM HPLOT 126,30 TO 166,30 TO 166,70 TO 126,70 TO 126,30
4420 RADIUS=20:CX=146:CY=50:FILL=0:GOSUB 6000
4440 RETURN
4460 :
4480 :
4500 REM ==DRAW LEFT EYE==
4520 HCOLOR=6:HPLOT 137,43 TO 140,43
4540 HPLOT 136,44 TO 141,44
4560 HPLOT 137,45 TO 140,45
4580 RETURN
4600 :
4620 :
4700 REM ==DRAW RIGHT EYE==
4720 HCOLOR=6:HPLOT 152,43 TO 155,43
4740 HPLOT 151,44 TO 156,44
4760 HPLOT 152,45 TO 155,45
4780 RETURN
4800 :
4820 :
4900 REM ==DRAW NOSE==
4920 HCOLOR=0:
4940 IF (FILL=1) THEN 4980
4960 HCOLOR=3
4980 HPLOT 146,48 TO 143,52 TO 146,52
5000 RETURN
5020 :
5040 :
5100 REM ==DRAW MOUTH==
5120 HCOLOR=5: HPLOT 140,60 TO 143,56 TO 149,56 TO 152,60
5140 RETURN
5160 :
5180 :
5200 REM ==DRAW SMILEY MOUTH==
5220 IF GG=0 THEN 5440
5240 HCOLOR=0: HPLOT 140,60 TO 143,56 TO 149,56 TO 152,60
5260 HCOLOR=0
5280 HPLOT 146,70 TO 146,106:HPLOT 146,88 TO 116,58:HPLOT 146,88 TO 176,58
5300 HPLOT 146,106 TO 116,140:HPLOT 146,106 TO 176,140
5320 GOSUB 3880
5340 IF (NLIMBS < 1) THEN GOSUB 4380
5360 IF (NLIMBS < 2) THEN GOSUB 4500
5380 IF (NLIMBS < 3) THEN GOSUB 4700
5400 IF (NLIMBS < 4) THEN GOSUB 4900
5420 HCOLOR=5: HPLOT 138,60 TO 143,64 TO 149,64 TO 154,60
5440 RETURN
5460 :
5480 :
5500 REM ==DRAW TORSO==
5520 HCOLOR=2: HPLOT 146,70 TO 146,106
5540 RETURN
5560 :
5580 :
5600 REM ==DRAW LEFT ARM==
5620 HPLOT 146,88 TO 116,58
5640 RETURN
5660 :
5680 :
5700 REM ==DRAW RIGHT ARM==
5720 HPLOT 146,88 TO 176,58
5740 RETURN
5760 :
5780 :
5800 REM ==DRAW LEFT LEG==
5820 HPLOT 146,106 TO 116,140
5840 RETURN
5860 :
5880 :
5900 REM ==DRAW RIGHT LEG==
5920 HPLOT 146,106 TO 176,140
5940 RETURN
5960 :
5980 :
6000 REM *** SUBROUTINE: CIRCLE2
6020 REM * IN: RADIUS
6040 REM * IN: CX (X COORDINATE OF CENTER)
6060 REM * IN: CY (Y COORDINATE OF CENTER)
6080 REM * IN: FILL (0 OR 1)
6100 REM ***
6120 PI = ATN (1) * 4: REM = 3.14159265
6140 I0 = PI / 2:I1 = 0:DI = PI / (RADIUS * 4)
6160 I1 = I1 - 0.1: REM SLOP TO FILL IN LAST LINE
6180 I = I0
6200 IF (I < = I1) THEN 7360
6220 X0 = - 666:X1 = - 666:Y0 = - 666
6300 REM
6320 DX = COS (I) * RADIUS:X = INT (0.5 + CX - DX)
6340 DY = SIN (I) * RADIUS:Y = INT (0.5 + CY - DY)
6400 REM PRINT "X = ";X;", Y = ";Y
6420 IF (X0 = - 666) THEN 6500
6440 IF (Y0 < > Y) THEN 6600
6460 X1 = X
6480 GOTO 7300
6500 REM FIRST POINT IN NEW LINE
6520 X0 = X:X1 = X:Y0 = Y: GOTO 7300
6600 REM END OF LINE
6620 IF X0 < = - 666 THEN 7200
6640 R0X = CX + (CX - X0)
6660 IF R0X < GW THEN 6700
6680 R0X = GW - 1
6700 R1X = CX + (CX - X1)
6720 IF R1X < GW THEN 6760
6740 R1X = GW - 1
6760 IF X0 > = 0 THEN 6800
6780 X0 = 0
6800 IF X1 > = 0 THEN 6840
6820 X1 = 0
6840 Y2 = CY + (CY - Y0)
6900 REM DRAW THE LINE(S)
6920 REM PRINT "HPLOT ";X0;",";Y0;" TO ";R0X;",";Y0
6940 REM GET A$:IF (A$ = "Q") THEN END
6960 IF (Y0 < 0) OR (Y0 > = GH) THEN 7040: REM LINE NOT ON SCREEN
6980 IF FILL = 0 THEN 7020
7000 HPLOT X1,Y0 TO R1X,Y0: GOTO 7040
7020 HPLOT X1,Y0 TO X0,Y0: HPLOT R0X,Y0 TO R1X,Y0
7040 IF (Y2 < 0) OR (Y2 > = GH) THEN 7120
7060 IF FILL = 0 THEN 7100
7080 HPLOT X1,Y2 TO R1X,Y2: GOTO 7120
7100 HPLOT X1,Y2 TO X0,Y2: HPLOT R0X,Y2 TO R1X,Y2
7120 Y0 = Y0 + 1:Y2 = Y2 - 1
7140 IF Y0 < = Y THEN 6960
7200 REM END OF DRAWING LINE
7220 I = I - DI
7240 GOTO 6200
7300 REM END OF RADIAN, PREPARE NEXT
7320 I = I - DI
7340 IF (I > I1) THEN 6300
7360 RETURN
7400 REM ==DISPLAY STATUS==
7420 REM HOME
7440 IF CHEET = 0 THEN 7520
7460 VTAB 21: HTAB 1: CALL -868: PRINT "* Pssst... the word is ";SECRET$;"."
7480 D = 2: GOSUB 800
7500 CHEET=0
7520 I = SW / 2 - LEN (HIDDEN$) / 2
7540 IF I < 1 THEN 7580
7560 VTAB 22: HTAB I
7580 PRINT HIDDEN$
7600 RETURN
7620 :
7640 :
7700 REM ==GET A GUESS==
7720 OGUESS$ = ""
7740 FOR I = 0 TO 25
7760 IF (GZ%(I) > 0) THEN 7820
7780 OGUESS$ = OGUESS$ + CHR$ ( ASC ("A") + I)
7800 GOTO 7840
7820 OGUESS$ = OGUESS$ + "."
7840 NEXT I
7860 VTAB 23: CALL - 868
7880 VTAB 24: HTAB 1: PRINT "Guess? (";OGUESS$;") ";
7900 GOSUB 1800:GUESS$ = A$
7920 IF (GZ%( ASC (A$) - ASC ("A")) = 0) THEN 7980
7940 GOSUB 14300: REM RING BELL ON DUPE GUESS
7960 GOTO 7880
7980 GZ%( ASC (A$) - ASC ("A")) = 1
8000 HTAB 1: CALL - 868
8020 L=ASC(A$) - ASC("A") + 1:FOR I=1 TO L:D=RND(1):NEXT I:REM TWEAK RANDOM
8025 RETURN
8040 :
8060 :
8100 REM ==CHECK GUESS==
8120 OK = 0:DUP = 0:TK = 0:NHIDDEN$ = ""
8140 FOR I = 1 TO LEN (SECRET$)
8160 IF I = 1 THEN 8200
8180 NHIDDEN$ = NHIDDEN$ + " "
8200 A$ = MID$ (HIDDEN$,2 * I - 1,1)
8220 IF (A$ = "_") THEN 8260
8240 TK = TK + 1
8260 IF ( MID$ (SECRET$,I,1) < > GUESS$) THEN 8340
8280 IF (A$ = GUESS$) THEN DUP = 1
8300 A$ = GUESS$
8320 OK = OK + 1
8340 NHIDDEN$ = NHIDDEN$ + A$
8360 NEXT I
8380 IF (DUP = 1) THEN 8900
8400 IF (OK = 0) THEN 9000
8420 TK = TK + OK
8440 IF TK = LEN (SECRET$) THEN 9400
8500 REM CORRECT GUESS
8520 IF (SND > 0) THEN POKE 768,32: POKE 769,12: CALL 770
8540 RARE$ = "QZXJ":FRARE = 0
8560 FOR I = 1 TO LEN (RARE$)
8580 IF ( MID$ (RARE$,I,1) = GUESS$) THEN FRARE = 1
8600 NEXT I
8620 IF FRARE = 0 THEN 8660
8640 PRINT "Glorious!!!";: GOTO 8780
8660 I = INT ( RND (1) * 3) + 1
8680 ON I GOTO 8720,8740,8760
8700 PRINT "Whaa? This wasn't supposed to happen.";: GOTO 8780
8720 PRINT "Bah! Lucky guess.";: GOTO 8780
8740 PRINT "Nice work!";: GOTO 8780
8760 PRINT "Good job!";: GOTO 8780
8780 HIDDEN$ = NHIDDEN$
8800 D=2: GOSUB 800:HTAB 1: CALL -868:GOTO 9520
8900 REM DUPLICATE GUESS
8920 PRINT "You already guessed '";GUESS$;"'.";
8940 GOTO 9520
9000 REM WRONG GUESS
9020 I=20: GOSUB 14200: REM BZZZ
9040 PRINT "Wrong! The secret word has no '";GUESS$;"'.";
9060 NLIMBS = NLIMBS + 1
9080 GOSUB 4100: REM SHOW NEWLY ADDED LIMB ON THE GALLOWS
9100 IF (LIMBS$(NLIMBS + 1) = "***HANGMAN***") THEN 9200
9120 D=1: GOSUB 800:CALL -868:GOTO 9520
9200 REM YOU LOSE
9220 GAMEOVER = 1
9240 PRINT : HTAB 1: CALL -868: PRINT "You lose. The secret word was... "
9260 HTAB 1: CALL -868: PRINT " ";SECRET$;"."
9280 A$ = "48 ,27 ,57 ,54 ,72 ,54 ,114,255.": GOSUB 14000
9300 GOTO 9520
9400 REM YOU WIN
9420 HTAB 1: CALL -868: PRINT "You WIN! You solved the secret word, "
9440 HTAB 1: CALL -868: PRINT " ";SECRET$;"."
9460 A$ = "128,27 ,114,54 ,114,54 ,85 ,216.": GOSUB 14000
9480 GAMEOVER = 1
9500 GOSUB 5200
9520 RETURN
9540 :
9560 :
9600 REM ==SELECT WORD==
9620 HOME:VTAB 24:PRINT "Choosing word, please wait...";
9640 NR = 0
9660 NR = NR + 1: IF (NR > 100) THEN ES$ = "COULD NOT LOAD A VALID WORD": GOTO 1620
9680 IF NW < = 0 THEN ES$ = "NO WORDS LOADED": GOTO 1620
9700 RESTORE
9720 WI = INT ( RND (1) * NW) + 1
9740 IF WI = WO THEN 9720: REM DON'T PICK SAME WORD
9760 FOR I = 1 TO WI
9780 READ SECRET$
9800 NEXT I
9820 OK = 0:AA = ASC ("A"):AZ = ASC ("Z")
9840 FOR I = 1 TO LEN (SECRET$)
9860 C = ASC ( MID$ (SECRET$,I,1))
9880 IF (C < AA) OR (C > AZ) THEN 9920
9900 OK = OK + 1
9920 NEXT I
9940 IF ( LEN (SECRET$) < 3) OR ( LEN (SECRET$) > 20) THEN OK = 0: GOTO 10200
10000 REM IF (EZ = 1) AND ( LEN (SECRET$) > 5) THEN OK = 0: GOTO 10200
10020 A$ = SECRET$: GOSUB 12100: REM SET WD=WORD DIFFICULTY
10100 REM HTAB 1:PRINT "___ ";SECRET$;" = ";WD
10120 IF (EZ = 1) AND (WD > 0.36) THEN OK = 0
10140 IF (EZ = 2) AND ((WD < = 0.36) OR (WD > 0.66)) THEN OK = 0
10160 IF (EZ = 3) AND (WD < = 0.66) THEN OK = 0
10180 IF (OK > 0) THEN 10320
10200 REM ==WORD NOT OK, PICK ANOTHER==
10220 WI = WI + 1
10240 IF (WI > NW) THEN GOTO 9660
10260 NR = NR + 1: IF (NR > 100) THEN ES$ = "COULD NOT LOAD A VALID WORD": GOTO 1620
10280 READ SECRET$
10300 GOTO 9820
10320 WO = WI
10400 REM SECRET$="TYRANNOSAURUS REX" : REM FOR TESTING
10420 HIDDEN$ = ""
10440 FOR I = 1 TO LEN (SECRET$)
10460 IF I = 1 THEN 10500
10480 HIDDEN$ = HIDDEN$ + " "
10500 C = ASC ( MID$ (SECRET$,I,1))
10520 IF (C < AA) OR (C > AZ) THEN 10560
10540 HIDDEN$ = HIDDEN$ + "_": GOTO 10580
10560 HIDDEN$ = HIDDEN$ + MID$ (SECRET$,I,1)
10580 NEXT I
10600 HTAB 1: CALL - 868: REM ERASE STATUS MESSAGE
10620 RETURN
10640 :
10660 :
10700 REM ==COUNT AVAILABLE WORDS==
10720 REM THE ARRAYS BELOW ARE USED TO CALCULATE LETTER FREQUENCIES, WHICH IN
10740 REM TURN ARE USED TO CATEGORIZE WORDS INTO EASY, MEDIUM, AND HARD LEVELS.
10760 REM THE FQ TABLE IS INITIALIZED TO THE FREQUENCIES CORRESPONDING TO
10780 REM OVERALL ENGLISH LANGUAGE USAGE. IF CQ<>0, THEN WE OVERWRITE THESE
10800 REM WITH THE FREQS DETERMINED FROM THE WORD LIST ITSELF, WHICH IS MORE
10820 REM MORE ACCURATE BUT TAKES A LOT OF TIME TO DO AT STARTUP.
10840 DIM FQ(27),FC(27)
10860 FQ(0) = 8.167: REM "A"
10880 FQ(1) = 1.492
10900 FQ(2) = 2.782
10920 FQ(3) = 4.253
10940 FQ(4) = 12.702
10960 FQ(5) = 2.228
10980 FQ(6) = 2.015
11000 FQ(7) = 6.094
11020 FQ(8) = 6.966
11040 FQ(9) = 0.153
11060 FQ(10) = 0.772
11080 FQ(11) = 4.025
11100 FQ(12) = 2.406
11120 FQ(13) = 6.749
11140 FQ(14) = 7.507
11160 FQ(15) = 1.929
11180 FQ(16) = 0.095
11200 FQ(17) = 5.987
11220 FQ(18) = 6.327
11240 FQ(19) = 9.056
11260 FQ(20) = 2.758
11280 FQ(21) = 0.978
11300 FQ(22) = 2.360
11320 FQ(23) = 0.150
11340 FQ(24) = 1.974
11360 FQ(25) = 0.074: REM "Z"
11380 CQ = 0
11400 FOR I = 0 TO 26:FC(I) = 0: NEXT I
11420 RESTORE :NW = 0:NB = 0
11440 READ SECRET$
11460 IF SECRET$ = "*NO MORE WORDS*" THEN 11700
11480 IF (CQ = 0) THEN 11620
11500 L = LEN (SECRET$):AA = ASC ("A"):AZ = ASC ("Z")
11520 FOR I = 1 TO L
11540 C = ASC ( MID$ (SECRET$,I,1))
11560 IF (C < AA) OR (C > AZ) THEN 11600
11580 C = C - AA:FC(C) = FC(C) + 1
11600 NEXT I
11620 NW = NW + 1
11640 IF NW > 10000 THEN ES$ = "INVALID WORD DATA": GOTO 1620
11660 IF ( LEN (SECRET$) < 3) OR ( LEN (SECRET$) > 20) THEN NB = NB + 1
11680 GOTO 11440
11700 IF (NW < 1) OR (NB > = NW) THEN ES$ = "INVALID WORD DATA": GOTO 1620
11800 REM COMPUTE ALPHABET FREQUENCIES
11820 FOR I = 0 TO 25:FC(26) = FC(26) + FC(I): NEXT I
11840 IF CQ = 0 THEN 11900
11860 FOR I = 0 TO 25:FQ(I) = FC(I) * 100 / FC(26): NEXT I
11900 REM GOSUB 12600
11920 REM GOSUB 12800
11940 REM A$="YAK": GOSUB 12100
11960 RETURN
11980 :
12000 :
12100 REM ==CALCULATE WORD DIFFICULTY==
12120 IF (FQ(0) < = 0) THEN 12440
12140 WD = 0:AA = ASC ("A"):AZ = ASC ("Z")
12160 L = LEN (A$)
12180 FOR I = 1 TO L
12200 C = ASC ( MID$ (A$,I,1))
12220 IF (C < AA) OR (C > AZ) THEN 12280
12240 QC = FQ(C - AA)
12260 WD = WD + 1 / (QC * QC)
12280 NEXT I
12300 IF (WD < = 0) OR (L < = 0) THEN 12440
12400 REM WD = WD / L
12420 GOTO 12500
12440 WD = 0
12500 REM HTAB 1:PRINT:PRINT "DIFFICULTY FOR ";A$;" = ";WD;".":PRINT
12520 RETURN
12540 :
12560 :
12600 REM ==PRINT FREQUENCIES==
12620 HTAB 1: PRINT : PRINT
12640 AA = ASC ("A")
12660 FOR I = 1 TO 13
12680 PRINT CHR$ (AA + I - 1);": ";FQ(I - 1);" "; CHR$ (AA + I - 1 + 13);": ";FQ(I - 1 + 13)
12700 NEXT I
12720 PRINT : INPUT "PRESS RETURN TO CONTINUE...";A$
12740 RETURN
12760 :
12780 :
12800 REM ==CALCULATE AVERAGE WORD DIFFICULTY==
12820 RESTORE
12840 NW = 0:TD = 0:D0 = 999999:D9 = - 1:W0$ = "":W9$ = ""
12860 READ SECRET$
12880 IF SECRET$ = "*NO MORE WORDS*" THEN 13000
12900 A$ = SECRET$: GOSUB 12100
12920 NW = NW + 1:TD = TD + WD
12940 IF WD < D0 THEN D0 = WD:W0$ = A$
12960 IF WD > D9 THEN D9 = WD:W9$ = A$
12980 GOTO 12860
13000 IF NW < = 0 THEN 13140
13020 TD = TD / NW
13040 HTAB 1: PRINT : PRINT
13060 PRINT "AVG DIFFICULTY = ";TD
13080 PRINT "EASIEST WORD = ";D0;", ";W0$
13100 PRINT "HARDEST WORD = ";D9;", ";W9$
13120 PRINT : INPUT "PRESS RETURN TO CONTINUE...";A$
13140 RETURN
13160 :
13180 :
13200 REM ==================
13220 REM DATA SECTION:
13240 REM SECRET WORDS ARE
13260 REM LISTED BELOW.
13280 REM ==================
13300 NW = 0: REM NUMBER OF WORDS LOADED
13320 SECRET$ = ""
13340 WI = - 1: REM SECRET WORD #
13360 WO = - 1: REM PREVIOUS SECRET WORD #
13380 DATA ALLIGATOR,ANT,APE,BAT,BEAR,BEE,BIRD,BOBCAT,CAT,CENTIPEDE,CHEETAH,CHICKEN,CHIMPANZEE,CLAM,COBRA
13400 DATA CONDOR,COUGAR,COW,CROCODILE,DEER,DINGO,DOG,DONKEY,DUCK,EAGLE,ELECTRIC EEL,ELEPHANT,ELK,EMU,FISH,FOX,FROG,GAZELLE
13420 DATA GIRAFFE,GOAT,GOOSE,GORILLA,GRIZZLY BEAR,HAWK,HEDGEHOG,HIPPOPOTAMUS,HORSE,HYENA,IGUANA,JAGUAR
13440 DATA JELLYFISH,KANGAROO,KRILL,LEMUR,LEOPARD,LION,LIZARD,LLAMA,LOBSTER,LYNX,MOLE,MONKEY,MOOSE,NEWT
13460 DATA OCTOPUS,OKAPI,OPOSSUM,ORANGUTAN,OTTER,OWL,PANDA,PENGUIN,PIG,POLAR BEAR,PORCUPINE,PUMA,QUAIL
13480 DATA RABBIT,RACCOON,REINDEER,RHINOCEROS,SCORPION,SEA LION,SEAL,SHARK,SHRIMP,SNAIL,SNAKE,SPIDER,SQUID
13500 DATA SQUIRREL,TIGER,TOAD,TORTOISE,TUNA,TURKEY,TURTLE,TYRANNOSAURUS REX,VOLE,VULTURE,WALRUS,WARTHOG,WASP,WHALE,WILDCAT,WILDEBEEST
13520 DATA WOLF,WORM,YAK,ZEBRA
13540 DATA "*NO MORE WORDS*"
13600 REM THIS VERSION OF THE PROGRAM
13620 REM HAS DATA BUILT-IN, RATHER
13640 REM THAN USING A DATAFILE.
13660 GOSUB 10700
13680 RETURN
13700 :
13720 :
13800 REM ==INSTALL TONE GENERATOR==
13820 IF (SND = 0) THEN 13880
13840 POKE 770, 173: POKE 771, 48: POKE 772, 192: POKE 773, 136: POKE 774, 208: POKE 775, 5: POKE 776, 206: POKE 777, 1: POKE 778, 3: POKE 779, 240
13860 POKE 780, 9: POKE 781, 202: POKE 782, 208: POKE 783, 245: POKE 784, 174: POKE 785, 0: POKE 786, 3: POKE 787, 76: POKE 788, 2: POKE 789, 3: POKE 790, 96
13880 RETURN
13900 :
13920 :
14000 REM ==PLAY TUNE==
14020 REM A$ = "128,27 ,114,54 ,114,54 ,85 ,216."
14040 IF (SND = 0) THEN 14140
14060 L=LEN(A$)
14080 I=1
14100 IF (I+7 > L) THEN 14140
14120 POKE 768,VAL(MID$(A$,I,3)): POKE 769,VAL(MID$(A$,I+4,3)): CALL 770: I = I + 8: GOTO 14100
14140 RETURN
14160 :
14180 :
14200 REM ==BUZZ SPEAKER==
14220 L=PEEK(-16336):I=I-1:IF (I > 0) THEN 14220
14240 RETURN
14260 :
14280 :
14300 REM ==RING BELL==
14320 IF (SND = 0) THEN 14360
14340 CALL -198: REM COULD ALSO JUST PRINT CHR$(7)
14360 RETURN

6
samples/sample.hellosine.txt Normal file
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0 PR#3
5 x = 0
7 sp = int(30 + (30* sin(x* 3.14159 / 180 ) ))
10 PRINT spc(sp);"Hello World"
20 x = x + 15
30 goto 7

34
samples/sample.hireswalk.txt Normal file
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10 HGR
20 X=140: Y=80
30 C=INT(RND(1)*8)
40 BR=3
40 HCOLOR=C: HPLOT X,Y: HPLOT X-1,Y-1: HPLOT X+1,Y+1
50 HPLOT X+1,Y-1: HPLOT X-1,Y+1
60 HPLOT X+1,Y: HPLOT X-1,Y: HPLOT X,Y+1: HPLOT X,Y-1
70 IF RND(1)>=.9 THEN C=INT(RND(1)*8)
80 IF RND(1)>=.9 THEN BR=BR + INT(RND(1)*3) - 1
90 IF BR<1 THEN BR=1
100 IF BR>7 THEN BR=7
110 NX = X + INT(RND(1)*15) - 7
120 NY = Y + INT(RND(1)*15) - 7
130 IF NX > 279 THEN NX=279
140 IF NX < 0 THEN NX=0
150 IF NY > 159 THEN NY=159
160 IF NY < 0 THEN NY=0
170 HCOLOR=C
180 FOR I=-INT(BR/2) TO INT((BR+1)/2)
190 FOR J=-INT(BR/2) TO INT((BR+1)/2)
200 X1=X+I: X2=NX+I: Y1=Y+J: Y2=NY+J
210 IF X1>279 THEN X1=279
220 IF X1<0 THEN X1=0
230 IF X2>279 THEN X2=279
240 IF X2<0 THEN X2=0
250 IF Y1>159 THEN Y1=159
260 IF Y1<0 THEN Y1=0
270 IF Y2>159 THEN Y2=159
280 IF Y2<0 THEN Y2=0
290 HPLOT X1,Y1 TO X2,Y2
300 NEXT: NEXT
310 X=NX: Y=NY
320 GOTO 70

168
samples/sample.jot.txt Normal file
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1 TEXT : HOME : PRINT "THIS GAME IS PLAYED ENTIRELY WITH"
2 FLASH : PRINT "3";: NORMAL : PRINT "-LETTER WORDS. ALL LETTERS IN A WORD"
3 PRINT "MUST BE UNIQUE (FOR EXAMPLE, 'POP' IS"
4 PRINT "*NOT* A VALID WORD).": PRINT
5 PRINT "TO BEGIN THE GAME, BOTH YOU AND I WILL"
6 PRINT "CHOOSE A SECRET WORD. THE FIRST PLAYER"
7 PRINT "TO GUESS THE OTHER'S WORD WINS.": PRINT
8 PRINT "AFTER EACH GUESS, THE ASKER IS TOLD"
9 PRINT "HOW MANY LETTERS WERE CORRECT. THE"
10 PRINT "POSITION OF THE LETTERS DOES *NOT*"
11 PRINT "MATTER (FOR EXAMPLE, IF THE WORD WAS"
12 PRINT "'OWN' A GUESS OF 'WHO' WOULD HAVE 2"
13 PRINT "HITS.": PRINT
95 INPUT "READY? ";Q$
99 M1 = 0:M2 = 0
100 REM : JOT
110 REM : COPYRIGHT 1980 BY PHIL FELDMAN AND TOM RUGG
150 M = 25:N = 406
160 DIM A$(N)
170 DIM G1$(M),G2$(M),H1(M),H2(M)
200 G1 = 0:G2 = 0
210 L = N:Q = PEEK (78) + 256 * PEEK (79):Q = RND ( - Q)
250 TEXT : HOME : PRINT TAB(17);"J O T": PRINT
260 PRINT "JUST A MOMENT PLEASE .....": GOSUB 3000:Q = INT(RND (1) * N) + 1: PRINT
270 PRINT "THANKS, NOW LET'S EACH THINK": PRINT "OF OUR SECRET WORD"
280 PRINT : PRINT "(THIS TAKES ME A WHILE ...)"
290 GOSUB 2200:M$ = A$(Q): PRINT : PRINT "OK, ";
300 INPUT "DO YOU WANT TO GO FIRST? ";Q$
310 Q$ = LEFT$ (Q$,1): IF Q$ = "N" THEN 600
320 IF Q$ = "Y" THEN 500
330 PRINT : PRINT "YES OR NO PLEASE": PRINT : GOTO 300
500 M2 = M2 + 1: IF M2 = 1 THEN PRINT : PRINT "TYPE S FOR LIST OF PREVIOUS GUESSES."
502 PRINT : INPUT "YOUR GUESS (OR S)? ";P$: IF P$ = "S" THEN GOSUB 1000: GOTO 500
510 IF P$ = "Q" THEN 1200
520 IF P$ = M$ THEN G1 = G1 + 1:G1$(G1) = P$:H1(G1) = 9: GOTO 3400
530 GOSUB 1800: IF F = 0 THEN PRINT "THAT'S NOT A LEGAL WORD -- TRY AGAIN": GOTO 500
540 Q$ = M$: GOSUB 2600:Q$ = P$: GOSUB 1500
550 PRINT "# OF HITS IS ";Q
560 G1 = G1 + 1:G1$(G1) = Q$:H1(G1) = Q
570 IF G1 = M THEN 3600
600 Q$ = A$(L):G2 = G2 + 1:G2$(G2) = Q$
610 PRINT : PRINT "MY GUESS IS -- ";Q$
615 M1 = M1 + 1: IF M1 = 1 THEN PRINT : PRINT "IF I AM RIGHT, TYPE R."
620 INPUT "HOW DID I DO (0-3 OR R)? ";P$
630 P$ = LEFT$ (P$,1)
640 IF P$ = "R" THEN H2(G2) = 9: GOTO 3200
650 P = VAL (P$): IF P > 3 OR (P = 0 AND P$ < > "0") THEN PRINT "BAD ANSWER": GOTO 610
660 IF L > 100 THEN PRINT : PRINT "I'M THINKING ..."
670 H2(G2) = P: GOSUB 800
680 GOTO 500
800 Q$ = G2$(G2):H = H2(G2):J = 0: GOSUB 2600:L = L - 1: IF L < 1 THEN 900
810 J = J + 1: IF J > L THEN 870
820 Q$ = A$(J): GOSUB 1500
830 IF Q = H THEN 810
840 A = J:B = L: GOSUB 2400:L = L - 1
850 IF L < 1 THEN 900
860 IF L > = J THEN 820
870 RETURN
900 PRINT : PRINT "SOMETHING'S WRONG !!"
910 PRINT : INPUT "WHAT'S YOUR SECRET WORD? ";P$: GOSUB 1800
920 IF F = 0 THEN PRINT : PRINT "ILLEGAL WORD -- I NEVER HAD A CHANCE": GOTO 1200
930 PRINT : PRINT "YOU GAVE A BAD ANSWER SOMEWHERE --"
940 PRINT "CHECK THE SUMMARY": GOSUB 1000
950 GOTO 1200
1000 PRINT :Q = G1: IF G2 > G1 THEN Q = G2
1010 IF Q = 0 THEN PRINT "NO GUESSES YET": RETURN
1020 PRINT TAB(1);: FOR J = 1 TO 37: PRINT "-";: NEXT : PRINT "-"
1030 PRINT TAB(1);: INVERSE : PRINT "YOUR GUESSES";: NORMAL
1040 PRINT " SUMMARY ";: INVERSE
1050 PRINT "MY GUESSES";: NORMAL : PRINT " "
1060 PRINT "WORD HITS"; TAB(29);"WORD HITS"
1070 FOR J = 1 TO Q:K = 1: IF J > 9 THEN K = 0
1080 IF J > G1 THEN PRINT TAB(19 + K);J; TAB(30);G2$(J); TAB(36);H2(J): GOTO 1110
1090 IF J > G2 THEN PRINT TAB(2);G1$(J); TAB(9);H1(J); TAB(19 + K);J: GOTO 1110
1100 PRINT TAB(2);G1$(J); TAB(9);H1(J); TAB(19 + K);J; TAB(30);G2$(J); TAB(36);H2(J)
1110 NEXT : RETURN
1200 PRINT : INPUT "HOW ABOUT ANOTHER GAME? ";Q$
1210 Q$ = LEFT$ (Q$,1): IF Q$ = "Y" THEN 200
1220 IF Q$ = "N" THEN END
1230 PRINT : PRINT "YES OR NO PLEASE": GOTO 1200
1500 P$ = LEFT$ (Q$,1):Q = 0: GOSUB 1600
1510 P$ = MID$ (Q$,2,1): GOSUB 1600
1520 P$ = RIGHT$ (Q$,1): GOSUB 1600: RETURN
1600 IF P$ = M1$ OR P$ = M2$ OR P$ = M3$ THEN Q = Q + 1
1610 RETURN
1800 F = 0
1810 FOR J = 1 TO N
1820 IF A$(J) = P$ THEN F = 1: RETURN
1830 NEXT : RETURN
2200 FOR A = N TO 100 STEP - 1:B = INT ( RND (1) * A) + 1
2210 GOSUB 2400: NEXT
2220 PRINT : PRINT "I'VE ALMOST GOT IT ..."
2230 FOR A = 99 TO 2 STEP - 1:B = INT ( RND (1) * A) + 1
2240 GOSUB 2400: NEXT : RETURN
2400 Q$ = A$(B):A$(B) = A$(A):A$(A) = Q$: RETURN
2600 M1$ = LEFT$ (Q$,1):M2$ = MID$ (Q$,2,1)
2610 M3$ = RIGHT$ (Q$,1): RETURN
3000 RESTORE : FOR P = 1 TO N: READ A$(P): NEXT : RETURN
3200 PRINT : PRINT "IT SURE FEELS GOOD"
3210 PRINT : PRINT "MY WORD WAS -- ";M$
3220 GOTO 1200
3400 PRINT : PRINT "CONGRATULATIONS - THAT WAS IT": PRINT
3410 INPUT "WHAT WAS YOUR WORD? ";P$: GOSUB 1800:J = 1
3420 IF F = 0 THEN PRINT : PRINT "ILLEGAL WORD - I HAD NO CHANCE": GOTO 1200
3430 IF A$(J) = P$ THEN PRINT : PRINT "NICE WORD": GOTO 1200
3440 J = J + 1: IF J < = L THEN 3430
3450 PRINT : PRINT "YOU MADE AN ERROR SOMEWHERE": PRINT "-- CHECK THE SUMMARY"
3460 GOSUB 1000: GOTO 1200
3600 PRINT : PRINT "SORRY, I'M OUT OF MEMORY": PRINT
3610 PRINT "MY WORD WAS - ";M$: GOTO 1200
5000 DATA ACE,ACT,ADE,ADO,ADS,AFT,AGE
5010 DATA AGO,AID,AIL,AIM,AIR,ALE,ALP
5020 DATA AND,ANT,ANY,APE,APT,ARC,ARE
5030 DATA ARK,ARM,ART,ASH,ASK,ASP,ATE
5040 DATA AWE,AWL,AXE,AYE,BAD,BAG,BAN
5050 DATA BAR,BAT,BAY,BED,BEG,BET,BID
5060 DATA BIG,BIN,BIT,BOA,BOG,BOW,BOX
5070 DATA BOY,BUD,BUG,BUM,BUN,BUS,BUT
5080 DATA BUY,BYE,CAB,CAD,CAM,CAN,CAP
5090 DATA CAR,CAT,COB,COD,COG,CON,COP
5100 DATA COT,COW,COY,CRY,CUB,CUD,CUE
5110 DATA CUP,CUR,CUT,DAB,DAM,DAY,DEN
5120 DATA DEW,DIE,DIG,DIM,DIN,DIP,DOE
5130 DATA DOG,DON,DOT,DRY,DUB,DUE,DUG
5140 DATA DYE,DUO,EAR,EAT,EGO,ELK,ELM
5150 DATA END,ELF,ERA,FAD,FAG,FAN,FAR
5160 DATA FAT,FED,FEW,FIG,FIN,FIR,FIT
5170 DATA FIX,FLY,FOE,FOG,FOR,FOX,FRY
5180 DATA FUN,FUR,GAP,GAS,GAY,GEM,GET
5190 DATA GIN,GNU,GOB,GOD,GOT,GUM,GUN
5200 DATA GUT,GUY,GYP,HAD,HAG,HAM,HAS
5210 DATA HAT,HAY,HEN,HEX,HID,HIM,HIP
5220 DATA HIS,HIT,HER,HEM,HOE,HOG,HOP
5230 DATA HOT,HOW,HUB,HUE,HUG,HUM,HUT
5240 DATA ICE,ICY,ILK,INK,IMP,ION,IRE
5250 DATA IRK,ITS,IVY,JAB,JAR,JAW,JAY
5260 DATA JOB,JOG,JOT,JOY,JUG,JAG,JAM
5270 DATA JET,JIB,JIG,JUT,KEG,KEY,KID
5280 DATA KIN,KIT,LAB,LAD,LAG,LAP,LAW
5290 DATA LAY,LAX,LED,LEG,LET,LID,LIE
5300 DATA LIP,LIT,LOB,LOG,LOP,LOT,LOW
5310 DATA LYE,MAD,MAN,MAP,MAR,MAT,MAY
5320 DATA MEN,MET,MID,MOB,MOP,MOW,MUD
5330 DATA MIX,MUG,NAB,NAG,NAP,NAY,NET
5340 DATA NEW,NIL,NIP,NOD,NOT,NOR,NOW
5350 DATA NUT,OAF,OAK,OAR,OAT,ODE,OIL
5360 DATA OLD,ONE,OPT,ORE,OUR,OUT,OVA
5370 DATA OWE,OWL,OWN,PAD,PAL,PAN,PAR
5380 DATA PAT,PAW,PAY,PEA,PEG,PEN,PET
5390 DATA PEW,PIE,PIG,PIT,PLY,POD,POT
5400 DATA POX,PER,PIN,PRO,PRY,PUB,PUN
5410 DATA PUS,PUT,RAG,RAM,RAN,RAP,RAT
5420 DATA RAW,RAY,RED,RIB,RID,REV,RIG
5430 DATA RIM,RIP,ROB,ROD,ROE,ROT,ROW
5440 DATA RUB,RUE,RUG,RUM,RUN,RUT,RYE
5450 DATA SAD,SAG,SAP,SAT,SAW,SAY,SET
5460 DATA SEW,SEX,SHY,SEA,SIN,SHE,SIP
5470 DATA SIR,SIT,SIX,SKI,SKY,SLY,SOB
5480 DATA SOD,SON,SOW,SOY,SPA,SPY,STY
5490 DATA SUE,SUM,SUN,TAB,TAD,TAG,TAN
5500 DATA TAP,TAX,TAR,TEA,TEN,THE,THY
5510 DATA TIC,TIE,TIN,TIP,TOE,TON,TOP
5520 DATA TOW,TOY,TRY,TUB,TUG,TWO,URN
5530 DATA USE,UPS,VAN,VAT,VEX,VIA,VIE
5540 DATA VIM,VOW,YAK,YAM,YEN,YES,YET
5550 DATA YOU,WAD,WAG,WAN,WAR,WAS,WAX
5560 DATA WAY,WEB,WED,WET,WHO,WHY,WIG
5570 DATA WIN,WIT,WOE,WON,WRY,ZIP,FIB

9
samples/sample.keyboard.txt Normal file
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@ -0,0 +1,9 @@
0 text : home : pr#0
1 c = peek(49152) : poke 49168,0
: htab 1 : vtab 20 : normal
2 if c >= 128 then c = c - 128 : inverse
4 y = int(c/16) : x = c - y * 16
: htab x * 2 + 1 : vtab y + 1
5 if c >= 32 then print chr$(c);
6 if c < 32 then print chr$(127);
9 goto 1

12
samples/sample.loreswalk.txt Normal file
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@ -0,0 +1,12 @@
10 GR
20 X=20: Y=20
30 C=INT(RND(1)*16)
40 COLOR=C: PLOT X,Y
50 IF RND(1)>=.9 THEN C=INT(RND(1)*16)
60 X = X + INT(RND(1)*3) - 1
70 Y = Y + INT(RND(1)*3) - 1
80 IF X > 39 THEN X=0
90 IF X < 0 THEN X=39
100 IF Y > 39 THEN Y=0
110 IF Y < 0 THEN Y=39
120 GOTO 40

10
samples/sample.mandelbrot.txt Normal file
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@ -0,0 +1,10 @@
100 REM Mandelbrot Set in B & W
110 HGR:POKE 49234,0:HCOLOR=3
120 FOR x = 0 TO 279:FOR y = 0 TO 95
130 x1 = x / 280 * 3 - 2:y1 = y / 191 * 2 - 1
140 i = 0:s = x1:t = y1:c = 0
150 s1 = s * s - t * t + x1
160 t = 2 * s * t + y1:s = s1:c = 1 - c:i = i + 1
170 IF s * s + t * t < 4 AND i < 117 THEN GOTO 150
180 IF c = 0 THEN HPLOT x,y:HPLOT x,191 - y
190 NEXT:NEXT

14
samples/sample.mandelbrot2.txt Normal file
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@ -0,0 +1,14 @@
0 REM Mandelbrot Set - in color
1 REM This picks random points to draw, so it will run forever
2 REM and may never fill in the full plane, but it is fast!
10 HGR : POKE 49234,0
20 DIM co(10) : FOR c = 0 TO 10 : READ d : co(c) = d : NEXT
30 DATA 1, 2, 3, 5, 6, 1, 2, 3, 5, 6, 0
100 x = INT(RND(1) * 280) : y = INT(RND(1) * 96)
110 x1 = x / 280 * 3 - 2 : y1 = y / 191 * 2 - 1
120 i = 0:s = x1:t = y1
130 s1 = s * s - t * t + x1
140 t = 2 * s * t + y1:s = s1: i = i + 1
150 IF s * s + t * t < 4 AND i < 20 THEN GOTO 130
160 c = co(i/2) : IF c THEN HCOLOR= c : HPLOT x,y : HPLOT x,191 - y
170 GOTO 100

245
samples/sample.pacman.txt Normal file
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@ -0,0 +1,245 @@
10 slow=3: level=1: lives=3: score=0
20 gt$=CHR$(286): ga$=CHR$(287): go$=gt$
30 ml$=CHR$(267): mr$=CHR$(266): mu$=CHR$(282): md$=CHR$(283): ms$=CHR$(284): mo$=ml$
40 d$=CHR$(284)+CHR$(282)+CHR$(268)+CHR$(269)+CHR$(270)+CHR$(42)
50 GOSUB 6000
100 DIM map(31,23)
101 DATA "9999999999999999999999999999999"
102 DATA "9000000000000009000000000000009"
103 DATA "9299999099999909099999909999929"
104 DATA "9099999099999909099999909999909"
105 DATA "9000000000000000000000000000009"
106 DATA "9099999099099999999909909999909"
107 DATA "9099999099000009000009909999909"
108 DATA "9000000099999909099999900000009"
109 DATA "9999999099999909099999909999999"
110 DATA "9999999099111111111119909999999"
111 DATA "1111111011199999999911101111111"
112 DATA "9999999099111111111119909999999"
113 DATA "9999999099199999999919909999999"
114 DATA "9000000000000009000000000000009"
115 DATA "9299999099999909099999909999929"
116 DATA "9099999099999909099999909999909"
117 DATA "9000099000000000000000009900009"
118 DATA "9999099099099999999909909909999"
119 DATA "9000000099000009000009900000009"
120 DATA "9099999999999909099999999999909"
121 DATA "9099999999999909099999999999909"
122 DATA "9000000000000000000000000000009"
123 DATA "9999999999999999999999999999999"
150 DIM me(8): DIM gho(4,8)
180 gho(1,1)=12: gho(1,2)=10: gho(1,4)=0
181 gho(1,5)=-1: gho(1,6)=0: gho(1,7)=0: gho(1,8)=-1
182 gho(2,1)=18: gho(2,2)=10: gho(2,4)=0
183 gho(2,5)=1: gho(2,6)=0: gho(2,7)=0: gho(2,8)=1
184 gho(3,1)=12: gho(3,2)=12: gho(3,4)=0
185 gho(3,5)=-1: gho(3,6)=0: gho(3,7)=0: gho(3,8)=-1
186 gho(4,1)=18: gho(4,2)=12: gho(4,4)=0
187 gho(4,5)=1: gho(4,6)=0: gho(4,7)=0: gho(4,8)=1
190 me(1)=15: me(2)=17: me(4)=136
191 me(5)=-1: me(6)=0: me(7)=-1: me(8)=0
200 TEXT: HOME
201 PRINT CHR$(272)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(278)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(274)
202 PRINT CHR$(280)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(280)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(280)
203 PRINT CHR$(280)CHR$(285)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(271)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(271)CHR$(280)CHR$(271)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(271)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(285)CHR$(280)
204 PRINT CHR$(280)CHR$(271)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(271)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(271)CHR$(280)CHR$(271)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(271)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(271)CHR$(280)
205 PRINT CHR$(280)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(280)
206 PRINT CHR$(280)CHR$(271)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(271)CHR$(256)CHR$(258)CHR$(271)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(278)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(271)CHR$(256)CHR$(258)CHR$(271)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(271)CHR$(280)
207 PRINT CHR$(280)CHR$(271)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(271)CHR$(264)CHR$(264)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(280)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(264)CHR$(264)CHR$(271)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(271)CHR$(280)
208 PRINT CHR$(280)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(264)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(271)CHR$(280)CHR$(271)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(264)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(280)
209 PRINT CHR$(273)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(274)CHR$(271)CHR$(264)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(271)CHR$(280)CHR$(271)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(264)CHR$(271)CHR$(272)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(275)
210 PRINT CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(275)CHR$(271)CHR$(257)CHR$(259)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(257)CHR$(259)CHR$(271)CHR$(273)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)
211 PRINT CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(271)CHR$(032)CHR$(032)CHR$(032)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(032)CHR$(032)CHR$(032)CHR$(271)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)
212 PRINT CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(274)CHR$(271)CHR$(256)CHR$(258)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(032)CHR$(256)CHR$(258)CHR$(271)CHR$(272)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)
213 PRINT CHR$(272)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(275)CHR$(271)CHR$(257)CHR$(259)CHR$(032)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(278)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(032)CHR$(257)CHR$(259)CHR$(271)CHR$(273)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(274)
214 PRINT CHR$(280)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(280)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(280)
215 PRINT CHR$(280)CHR$(285)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(271)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(271)CHR$(280)CHR$(271)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(271)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(285)CHR$(280)
216 PRINT CHR$(280)CHR$(271)CHR$(257)CHR$(265)CHR$(265)CHR$(258)CHR$(264)CHR$(271)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(271)CHR$(280)CHR$(271)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(271)CHR$(264)CHR$(256)CHR$(265)CHR$(265)CHR$(259)CHR$(271)CHR$(280)
217 PRINT CHR$(280)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(264)CHR$(264)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(264)CHR$(264)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(280)
218 PRINT CHR$(276)CHR$(281)CHR$(281)CHR$(281)CHR$(271)CHR$(257)CHR$(259)CHR$(271)CHR$(256)CHR$(258)CHR$(271)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(278)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(271)CHR$(256)CHR$(258)CHR$(271)CHR$(257)CHR$(259)CHR$(271)CHR$(281)CHR$(281)CHR$(281)CHR$(277)
219 PRINT CHR$(280)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(264)CHR$(264)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(280)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(264)CHR$(264)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(280)
220 PRINT CHR$(280)CHR$(271)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(271)CHR$(280)CHR$(271)CHR$(256)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(258)CHR$(271)CHR$(280)
221 PRINT CHR$(280)CHR$(271)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(271)CHR$(280)CHR$(271)CHR$(257)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(265)CHR$(259)CHR$(271)CHR$(280)
222 PRINT CHR$(280)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(271)CHR$(280)
223 PRINT CHR$(273)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(281)CHR$(275)
300 REM====READ IN MAP====
305 RESTORE
310 dots=0
315 HTAB 40: VTAB 8: PRINT "Level: ";: PRINT level;
320 FOR j=1 TO 23
325 HTAB 40: VTAB 10: PRINT "Finished Loading in: ";
330 HTAB 61: VTAB 10: PRINT 23-j;
335 READ r$
340 FOR i=1 TO 31: map(i,j)=VAL( MID$( r$, i, 1))
345 IF map(i,j)=0 THEN dots=dots + 1
350 IF map(i,j)=2 THEN dots=dots + 1
355 NEXT
360 NEXT
365 HTAB 40: VTAB 10: PRINT " ";
400 count=0
450 me(4)=PEEK (49152): count=count + 1
452 HTAB 40: VTAB 10: PRINT "Score: ";: PRINT score;
454 HTAB 40: VTAB 12: PRINT "Lives: ";: PRINT lives;
460 IF me(4)=136 THEN me(7)=-1:me(8)=0: REM ==== LEFT
462 IF me(4)=138 THEN me(7)=0:me(8)=1: REM ==== DOWN
464 IF me(4)=139 THEN me(7)=0:me(8)=-1: REM ==== UP
466 IF me(4)=149 THEN me(7)=1:me(8)=0: REM ==== RIGHT
472 IF map(me(1),me(2))=0 THEN dots=dots-1:map(me(1),me(2))=-1:score=score+50
474 IF map(me(1),me(2))=2 THEN dots=dots-1:map(me(1),me(2))=-1:GOSUB 1000
476 IF dots=0 THEN GOTO 5000: REM ==== Next Level
478 HTAB me(1): VTAB me(2): PRINT ms$;
490 IF (count/slow) <> INT(count/slow) THEN GOTO 450
500 GOSUB 600
505 IF me(5)=-1 THEN mo$=ml$
510 IF me(5)=1 THEN mo$=mr$
511 IF me(6)=-1 THEN mo$=mu$
511 IF me(6)=1 THEN mo$=md$
515 HTAB me(1): VTAB me(2): PRINT mo$;
520 FOR wg=1 to 4
525 IF gho(wg,4) > 0 THEN go$=ga$
530 IF gho(wg,4) <=0 THEN go$=gt$
532 IF me(1)=gho(wg,1) THEN IF me(2)=gho(wg,2) THEN GOSUB 550
534 GOSUB 800
536 HTAB gho(wg,1): VTAB gho(wg,2): PRINT go$;: gho(wg,4)=gho(wg,4)-1
538 IF me(1)=gho(wg,1) THEN IF me(2)=gho(wg,2) THEN GOSUB 550
540 NEXT
545 GOTO 450
550 IF gho(wg,4) > 0 THEN GOTO 580: REM EATABLE GHOST
560 POP: GOTO 5100
580 score=score + prize: prize=prize * 2
582 gho(wg,1)=15: gho(wg,2)=10: gho(wg,4)=0
584 gho(wg,5)=1: gho(wg,6)=0: gho(wg,7)=0: gho(wg,8)=1
586 RETURN
600 REM====TRY TO MOVE IN NEW DIRECTION====
605 IF map(me(1)+me(7),me(2)+me(8)) > 2 THEN GOTO 650
610 HTAB me(1): VTAB me(2): PRINT " ";
615 me(1)=me(1)+me(7): me(2)=me(2)+me(8)
620 me(5)=me(7): me(6)=me(8)
625 IF me(1) <=1 THEN me(1)=30
630 IF me(1) >=31 THEN me(1)=2
635 RETURN
650 REM====TRY TO MOVE IN CURRENT DIRECTION====
655 IF map(me(1)+me(5),me(2)+me(6)) > 2 THEN RETURN
660 HTAB me(1): VTAB me(2): PRINT " ";
665 me(1)=me(1)+me(5): me(2)=me(2)+me(6)
670 IF me(1) <=1 THEN me(1)=30
675 IF me(1) >=31 THEN me(1)=2
680 RETURN
800 REM====TRY TO MOVE GHOST IN NEW DIRECTION====
805 IF map(gho(wg,1)+gho(wg,7),gho(wg,2)+gho(wg,8)) > 2 THEN GOTO 850
810 HTAB gho(wg,1): VTAB gho(wg,2)
815 x=map(gho(wg,1),gho(wg,2)): GOSUB 2000
820 gho(wg,1)=gho(wg,1)+gho(wg,7): gho(wg,2)=gho(wg,2)+gho(wg,8)
825 gho(wg,5)=gho(wg,7): gho(wg,6)=gho(wg,8): GOSUB 900
830 IF gho(wg,1) <=1 THEN gho(wg,1)=2: gho(wg,5)=gho(wg,5) * -1
835 IF gho(wg,1) >=31 THEN gho(wg,1)=30: gho(wg,5)=gho(wg,5) * -1
840 RETURN
850 REM====TRY TO MOVE GHOST IN CURRENT DIRECTION====
855 IF map(gho(wg,1)+gho(wg,5),gho(wg,2)+gho(wg,6)) > 2 THEN GOTO 950
860 HTAB gho(wg,1): VTAB gho(wg,2)
865 x=map(gho(wg,1),gho(wg,2)): GOSUB 2000
870 gho(wg,1)=gho(wg,1)+gho(wg,5): gho(wg,2)=gho(wg,2)+gho(wg,6)
875 IF gho(wg,1) <=1 THEN gho(wg,1)=2: gho(wg,5)=gho(wg,5) * -1
880 IF gho(wg,1) >=31 THEN gho(wg,1)=30: gho(wg,5)=gho(wg,5) * -1
885 RETURN
900 REM====NEW NEW DIRECTION FOR GHOST ATTACK====
902 IF gho(wg,4) > 0 THEN GOTO 920
904 IF gho(wg,7)=0 THEN GOTO 912
906 REM====NEW VERTICAL====
908 IF me(2) < gho(wg,2) THEN gho(wg,7)=0: gho(wg,8)=-1: RETURN
910 gho(wg,7)=0: gho(wg,8)=1: RETURN
912 REM====NEW HORIZONTAL====
914 IF me(1) < gho(wg,1) THEN gho(wg,7)=-1: gho(wg,8)=0: RETURN
916 gho(wg,7)=1: gho(wg,8)=0: RETURN
920 REM====NEW NEW DIRECTION FOR GHOST RETREAT====
924 IF gho(wg,7)=0 THEN GOTO 932
926 REM====NEW VERTICAL====
928 IF me(2) < gho(wg,2) THEN gho(wg,7)=0: gho(wg,8)=1: RETURN
930 gho(wg,7)=0: gho(wg,8)=-1: RETURN
932 REM====NEW HORIZONTAL====
934 IF me(1) < gho(wg,1) THEN gho(wg,7)=1: gho(wg,8)=0: RETURN
936 gho(wg,7)=-1: gho(wg,8)=0: RETURN
950 REM====NEW CURRENT DIRECTION FOR GHOST====
955 pik=INT(RND(1)*7)+1
960 IF pik=1 THEN gho(wg,5)=1:gho(wg,6)=0:gho(wg,7)=0:gho(wg,8)=1:RETURN
961 IF pik=2 THEN gho(wg,5)=-1:gho(wg,6)=0:gho(wg,7)=0:gho(wg,8)=1:RETURN
962 IF pik=3 THEN gho(wg,5)=1:gho(wg,6)=0:gho(wg,7)=0:gho(wg,8)=-1:RETURN
963 IF pik=4 THEN gho(wg,5)=-1:gho(wg,6)=0:gho(wg,7)=0:gho(wg,8)=-1:RETURN
964 IF pik=5 THEN gho(wg,5)=0:gho(wg,6)=1:gho(wg,7)=1:gho(wg,8)=0:RETURN
965 IF pik=6 THEN gho(wg,5)=0:gho(wg,6)=-1:gho(wg,7)=1:gho(wg,8)=0:RETURN
966 IF pik=7 THEN gho(wg,5)=0:gho(wg,6)=1:gho(wg,7)=-1:gho(wg,8)=0:RETURN
967 IF pik=8 THEN gho(wg,5)=0:gho(wg,6)=-1:gho(wg,7)=-1:gho(wg,8)=0:RETURN
1000 FOR i=1 TO 4: gho(i,4)=30: NEXT: prize=2000: RETURN: REM ==== POWER UP
2000 IF x=0 THEN PRINT CHR$(271);: RETURN
2002 IF x=2 THEN PRINT CHR$(285);: RETURN
2004 PRINT " ";: RETURN
5000 slow=slow - 1: IF slow < 1 THEN slow=1
5010 level=level + 1
5020 GOTO 180
5100 lives=lives - 1
5110 FOR j=1 TO 6: HTAB me(1): VTAB me(2): PRINT MID$( d$, j, 1);
5115 FOR k=1 to 300: NEXT: NEXT
5120 IF lives=0 THEN GOTO 5500
5125 FOR j=1 TO 4: HTAB gho(j,1): VTAB gho(j,2)
5126 x=map(gho(j,1),gho(j,2)): GOSUB 2000: NEXT
5130 me(1)=15: me(2)=17: me(4)=136
5132 me(5)=-1: me(6)=0: me(7)=-1: me(8)=0
5134 gho(1,1)=12: gho(1,2)=10: gho(1,4)=0
5136 gho(1,5)=-1: gho(1,6)=0: gho(1,7)=0: gho(1,8)=-1
5138 gho(2,1)=18: gho(2,2)=10: gho(2,4)=0
5140 gho(2,5)=1: gho(2,6)=0: gho(2,7)=0: gho(2,8)=1
5142 gho(3,1)=12: gho(3,2)=12: gho(3,4)=0
5144 gho(3,5)=-1: gho(3,6)=0: gho(3,7)=0: gho(3,8)=-1
5146 gho(4,1)=18: gho(4,2)=12: gho(4,4)=0
5148 gho(4,5)=1: gho(4,6)=0: gho(4,7)=0: gho(4,8)=1
5149 HTAB me(1): VTAB me(2): PRINT mr$;:FOR k=1 to 300: NEXT
5150 GOTO 400
5500 HTAB 40: VTAB 10: PRINT "Score: ";: PRINT score;
5510 HTAB 40: VTAB 12: PRINT "Lives: ";: PRINT lives;
5520 HTAB 40: VTAB 14: PRINT "GAME OVER !";
5550 END
6000 PR#3 : TEXT: HOME: HTAB 30: VTAB 5: PRINT "(Not Really) ASCII": PRINT ""
6001 PRINT " MMMMMMMM 8OOOO8: ,";
6002 PRINT "NI ,M MMM? MM8"
6003 PRINT " MMMMMMMMMN MMM OOOOOOOOOO M";
6004 PRINT "MM~ MMM MMM~ MMMMN MM7"
6005 PRINT " 8MMMMMMMMM ?MMMM OOOOOOOOOOOO: ~M";
6006 PRINT "MMM MMMMM MMMM MMMMMN MM:"
6007 PRINT " MMM8O8MMM MMMMMM 8OOOOOOOO$ MM";
6008 PRINT "MMM~?MMMMMM 7MMMMM NMMMMMN MM "
6009 PRINT " MMMO NMM MM MMMD OOOO8 :MM";
6010 PRINT "MMMMMM MMMMM, MM MMMM DMMMMMMMMM "
6011 PRINT " ~MMMMMMM MM $MMM OOOOOO8 MM:";
6012 PRINT " MMMM+ MMMMM MM MMMM 8MMMMMMMMM "
6013 PRINT " MMMD: MMN+8MMMM +OOOOOOOOOO$ :MN ";
6014 PRINT " ,MMM MMMMN ~MM=ZMMMM+ DMM MMMMMM "
6015 PRINT " MMM MMMMMMMMMM 8OOOOOOOOOO8 MM ";
6016 PRINT " 7M OMMMM8 MMMMMMMMMM OMM MMMMM "
6017 PRINT " MM MM MMMMM :OOOOOOOO? $M ";
6018 PRINT " O MMI MM ZMMMM $MM ZMMM "
6019 PRINT " 7 Z =OO= ";
6020 PRINT " N "
6100 HTAB 32: VTAB 18: PRINT "by Michael Kemp"
6105 HTAB 29: VTAB 19: PRINT "tweaks by Joshua Bell"
6110 HTAB 29: VTAB 20: PRINT "Hit ENTER to begin..."
6200 IF PEEK (49152) <> 141 THEN GOTO 6200
6210 RETURN

23
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0 REM *** Drawing program using mixed 280x160 mode ***
10 LX = 0 : LY = 0 : PEN = 3 : GOSUB 100
20 GOSUB 300
30 VTAB 21 : HTAB 70 : PRINT "("X","Y") "
40 IF X <> LX OR Y <> LY THEN HPLOT TO X, Y : LX = X : LY = Y
50 A = PEEK(49152)-128 : IF A > 0 THEN A$ = CHR$(A) : POKE 49168,0
60 IF A$ >= "1" AND A$ <= "6" THEN PEN = ASC(A$) - ASC("0") : GOSUB 200
70 IF A$ = " " THEN GOSUB 100
80 IF A$ = CHR$(27) THEN END
90 A$ = CHR$(0) : GOTO 20
100 REM ** Show Menu **
110 PR#3 : HOME : HGR : HCOLOR= 3 : FOR Y = 150 TO 160 : HPLOT 0,Y TO 279,Y : NEXT Y
120 FOR HC = 1 TO 6 : HCOLOR= HC
130 FOR Y = 152 TO 159 : HPLOT 10+14*HC,Y TO 23+14*HC,Y : NEXT Y
140 NEXT HC
150 VTAB 21 : PRINT "COLOR: 1 2 3 4 5 6";
160 HTAB 60 : PRINT "POSITION:" : FOR N = 1 TO 8 : PRINT "=========="; : NEXT N
170 PRINT "Instructions: Joystick draws. 1-6 chooses colors. Space clears. Esc quits.";
200 HCOLOR= PEN : FOR Y = 154 TO 157 : HPLOT 5,Y TO 15,Y : NEXT Y
210 GOSUB 300 : HPLOT X, Y : RETURN
300 X = INT(PDL(0)/255*279) : Y = INT(PDL(1)/255*191) : IF Y > 149 THEN Y = 149
310 RETURN

29
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10 text : home
20 print "Prime numbers"
30 print " ";
40 for x = 1 to 1000
50 gosub 1000
60 if p == 1 then print x;" ";
70 next
80 print
90 end
1000 rem ** subroutine to check for prime **
1010 rem number to be checked is stored in x
1020 rem d is used for divisor
1030 rem q is used for quotient
1040 rem p is used for return value, if x is prime, p will be 1, else 0
1050 p = 0
1060 if x < 2 OR x <> int(x) goto 1180
1070 if x == 2 OR x == 3 OR x == 5 then p=1 : goto 1180
1080 if x/2 == int(x/2) goto 1180
1090 if x/3 == int(x/3) goto 1180
1100 d = 5
1110 q = x/d : if q == int(q) goto 1180
1120 d = d + 2
1130 if d*d> x goto 1170
1140 q = x/d : if q == int(q) goto 1180
1150 d = d + 4
1160 if d*d <= x goto 1110
1170 p = 1
1180 return
1190 rem ** end of subroutine to check for prime **

85
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0 PR#0
10 DIM PP(16),NU(16)
20 POKE - 16368,0
30 TEXT : HOME : VTAB 4: HTAB 14: PRINT "THE PUZZLER"
40 VTAB 15: HTAB 12: PRINT "BY GREGG BUNTIN"
50 FOR I = 1 TO 2000: NEXT I
60 VTAB 20: PRINT "DO YOU WISH INSTRUCTIONS ";: INPUT I$
70 IF I$ < > "Y" THEN 190
80 HOME : VTAB 2: HTAB 14: PRINT "THE PUZZLER"
90 VTAB 4: PRINT "THE OBJECT OF THIS GAME IS TO GET ALL OF": PRINT "THE NUMBERS IN ORDER FROM 1 TO 15"
100 PRINT "THE COMMANDS ARE" SPC( 13);: INVERSE : PRINT "A": NORMAL : HTAB 30: PRINT ":": HTAB 30: PRINT ":"
110 HTAB 25: INVERSE : PRINT "<-";: NORMAL : PRINT " - ";: INVERSE : PRINT "->": NORMAL
120 : HTAB 30: PRINT ":": HTAB 30: PRINT ":": INVERSE : HTAB 30: PRINT "Z": NORMAL
130 PRINT : PRINT "BY MEANS OF THESE COMMANDS YOU WILL ": PRINT "EXCHANGE THE BLANK SPACE WITH THE NUMBER";: PRINT "IN THE UP,DOWN,LEFT OR RIGHT POSITIONS"
150 : VTAB 21: PRINT SPC( 8)"PRESS <ESC> TO START GAME"
160 K = PEEK ( - 16384): IF K < 127 THEN 160
170 IF K = 155 THEN 190
180 GOTO 160
190 POKE - 16368,0: HOME : VTAB 4: HTAB 14: PRINT "THE PUZZLER": VTAB 12
200 PRINT "Type N to start a (N)EW GAME"
220 K = PEEK ( - 16384): IF K < 127 THEN 220
230 IF K = 206 THEN 260
240 IF K = 211 THEN 740
250 GOTO 220
260 HOME : PRINT "SCRAMBLING PUZZLE.............."
261 FOR I = 1 TO 16
270 Q = INT ( RND (1) * 16) + 1
280 IF PP(Q) THEN 270
290 PP(Q) = 1:NU(I) = Q: NEXT
300 TEXT : HOME : GR : COLOR= 12
310 FOR I = 0 TO 19: HLIN 0 + I,39 - I AT I: HLIN 0 + I,39 - I AT 39 - I
320 VLIN 0 + I,39 - I AT I: VLIN 0 + I,39 - I AT 39 - I: NEXT
330 COLOR= 1: FOR I = 9 TO 29 STEP 10: HLIN 0,39 AT I: VLIN 0,39 AT I: NEXT
340 COLOR= 0: HLIN 0,39 AT 39: VLIN 0,39 AT 39
350 FOR I = 1 TO 16:FLAG = 1:PL = I: GOSUB 370
360 NEXT I: GOTO 520
370 IF PL = 1 OR PL = 5 OR PL = 9 OR PL = 13 THEN X = 1
380 IF NU(PL) = 16 THEN RETURN
390 IF PL = 2 OR PL = 6 OR PL = 10 OR PL = 14 THEN X = 11
400 IF PL = 3 OR PL = 7 OR PL = 11 OR PL = 15 THEN X = 21
410 IF PL = 4 OR PL = 8 OR PL = 12 OR PL = 16 THEN X = 31
420 IF PL < 5 THEN Y = 2
430 IF PL > 4 AND PL < 9 THEN Y = 12
440 IF PL > 8 AND PL < 13 THEN Y = 22
450 IF PL > 12 THEN Y = 32
460 COLOR= 12: IF FLAG = 1 THEN COLOR= 2:FLAG = 0
470 IF NU(PL) > 9 THEN 500
480 X = X + 2
490 ON NU(PL) GOTO 850,860,870,880,890,900,910,920,930,1100,1110
500 GOSUB 850:X = X + 4
510 ON NU(PL) - 9 GOTO 840,850,860,870,880,890
520 FOR I = 1 TO 16: IF NU(I) = 16 THEN PL = I: GOTO 540
530 NEXT
540 K = PEEK ( - 16384): IF K < 127 THEN 540
545 POKE - 16368,0
550 IF K = 193 THEN 630
560 IF K = 218 THEN 650
570 IF K = 136 THEN 670
580 IF K = 149 THEN 690
610 IF K = 155 THEN TEXT : HOME : PRINT "BYE-BYE": END
620 GOTO 540
630 IF PL < 5 THEN 520
640 A = - 4: GOTO 710
650 IF PL > 12 THEN 520
660 A = 4: GOTO 710
670 IF PL = 1 OR PL = 5 OR PL = 9 OR PL = 13 THEN 520
680 A = - 1: GOTO 710
690 IF PL = 4 OR PL = 8 OR PL = 12 OR PL = 16 THEN 520
700 A = 1: GOTO 710
710 T = PL:PL = PL + A:FLAG = 0: GOSUB 370
720 NU(T) = NU(PL):NU(PL) = 16:PL = PL - A
730 FLAG = 1: GOSUB 370: GOTO 520
830 END
840 VLIN Y,Y + 5 AT X: VLIN Y,Y + 5 AT X + 2: PLOT X + 1,Y: PLOT X + 1,Y + 5: RETURN
850 VLIN Y,Y + 5 AT X + 1: PLOT X,Y: HLIN X,X + 2 AT Y + 5: RETURN
860 HLIN X,X + 2 AT Y: VLIN Y,Y + 2 AT X + 2: PLOT X + 1,Y + 2: VLIN Y + 3,Y + 5 AT X: HLIN X,X + 2 AT Y + 5: RETURN
870 HLIN X,X + 2 AT Y: HLIN X + 1,X + 2 AT Y + 2: HLIN X,X + 2 AT Y + 5: VLIN Y,Y + 5 AT X + 2: RETURN
880 VLIN Y,Y + 5 AT X + 2: VLIN Y,Y + 2 AT X: PLOT X + 1,Y + 2: RETURN
890 HLIN X,X + 2 AT Y: VLIN Y,Y + 2 AT X: PLOT X + 1,Y + 2: VLIN Y + 3,Y + 4 AT X + 2: HLIN X,X + 1 AT Y + 5: RETURN
900 VLIN Y + 1,Y + 5 AT X: HLIN X + 1,X + 2 AT Y: VLIN Y + 2,Y + 5 AT X + 2: HLIN X,X + 2 AT Y + 2: HLIN X,X + 2 AT Y + 5: RETURN
910 HLIN X,X + 2 AT Y: VLIN Y,Y + 5 AT X + 2: RETURN
920 VLIN Y,Y + 5 AT X: VLIN Y,Y + 5 AT X + 2: PLOT X + 1,Y: PLOT X + 1,Y + 2: PLOT X + 1,Y + 5: RETURN
930 HLIN X,X + 2 AT Y: VLIN Y + 1,Y + 5 AT X + 2: HLIN X,X + 2 AT Y + 2: VLIN Y,Y + 2 AT X: HLIN X,X + 1 AT Y + 5: RETURN

199
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0 REM Nicdem25's awesome game
100 REM Catch the raindrop
101 rem Game design by Nicholas Merchant, age 10
102 rem Programming mostly by his dad with Nicholas
103 rem version 1.7, August 2011
111 clear: home
115 print " Nicdem25games":?
:?" CATCH THE RAINDROP":?
116 print " Version 1.7":
:? " August 2011":?
117 rem print " Programmed by JRM":?
118 rem print " Concept by Nicholas Merchant"
121 ?:?"Game controls: ":?
122 ?" Left arrow (move left)"
123 ?" Right arrow (move right)"
124 ?" <SPACEBAR> (pause game)
125 ?" Q (quit)."
126 ?
130 ?"Powerdrops:"
131 ?" + = extra life"
133 ?" $ = 10 points"
134 ?" s = slow down"
135 ?
140 ?: Input "Press <RETURN> to begin.";A$
150 home
151 let level = 1
152 let lives = 3
155 let D$="*": rem default raindrop character
156 let pwl = 2: rem length of paddle expansion when powerup is caught
170 let bottomofscreen = 17: rem variable for how far the rain falls
180 let sp = 2000: rem sp is the variable that controls speed of rain
189 REM draw the bottom of screen
190 for a = 1 to 40: vtab bottomofscreen +1: htab a: ?"^";:next a
196 vtab bottomofscreen +3:?" Nicdem25: Catch the raindrop"
197 vtab 23:print "Score: "score" Level: "level" Lives: "lives;
191 REM Initial paddle position variable: p1 is the horizontal offset
192 REM PL is the paddle length in characters
193 let p1 = 18
194 let oldpos = p1
195 let PL = 10:let OPL = PL: rem OPL is the original paddle length
200 REM ++++++++++++++++++++++++++++
201 rem subroutine: falling raindrop
202 rem ++++++++++++++++++++++++++++
230 x = RND (-RND (1)): rem reseed random number
240 let x = int(rnd(1)*30)+5
241 rem assign a random x axis value for drop, 5<=x<=35
250 for y = 1 to bottomofscreen - 1
260 htab x: vtab y + 1
270 print D$;:rem draw drop at position <x,y>
271 rem delay loop controls speed: speed increases with level up to max
275 for n = 1 to sp: next n
276 gosub 900: rem do paddle subroutine
278 htab x: vtab y + 1: ?" ":rem erase old drop
279 next y
280 REM did you catch the raindrop?
284 rem missed the drop
285 if x < p1 or x > p1+PL then lives = lives -1:goto 320
290 rem caught the drop
291 print chr$(7): REM make a sound for catching the drop
292 let score = score + 1
293 if D$ = "+" then let lives = lives + 1
294 if D$ = "E" then gosub 2000: rem expand paddle, set power timer
295 if D$ = "s" then let sp=sp+350: rem s slows down drops
296 if D$ = "$" then let score = score + 9:if score/10 <> int(score/10) then let level = level + 1
300 rem check if score is a multiple of 10: if so, level up
303 if score/10 = int(score/10) then let level = level + 1:let counter=1
304 rem every five levels, add a life
305 if counter =1 and level/5 = int(level/5) then let counter=0:gosub 700
309 rem speed up if score is a multiple of 10
310 if score/10 = int(score/10) then gosub 800
314 rem powertime counter: expanded paddle length lasts five raindrops
315 rem let ptime = ptime - 1
316 rem if ptime < 0 then let ptime = 0
317 rem if ptime = 0 then let PL = OPL
320 if lives = -1 then goto 9000:rem lost last life: go to end routine
340 vtab 23
350 print "Score: "score" Level: "level" Lives: "lives" ";
400 REM powerups: powerup 1 = expand, powerup 2 = extra life
405 let powerup = 0
410 n = RND (-RND (1)): rem reseed random number
511 let n = rnd(1)
515 if n < 0.15 then let powerup = 1
520 if n >= 0.2 and n < 0.3 then let powerup = 2
530 if n >= 0.3 and n < 0.4 then let powerup = 3
550 rem powerup characters
560 if powerup = 0 then let D$ = "*"
570 if powerup = 1 then let D$ = "+"
580 if powerup = 2 then let D$ = "s"
590 if powerup = 3 then let D$ = "$"
600 goto 200:rem go back and start a new raindrop
700 rem ++++++
710 rem lives up subroutine
720 rem ++++++
730 if (int(score/10)+1)/5 = (int(int(score/10)+1))/5 then let lives = lives +2
750 return
800 rem +++++++
810 rem speed up subroutine
820 rem ++++++
850 let sp = sp - ((level-1)*100)
855 if sp < 400 then let sp = 400
890 return
900 REM ++++++++++++++++++++++++++++++++++++++++
901 REM GET PLAYER INPUT
902 REM ++++++++++++++++++++++++++++++++++++++++
903 IF PEEK (49152) > 127 THEN K$=CHR$(PEEK (49152)-128): REM SEE IF KEY(S) PRESSED
904 IF K$ = "Q" THEN goto 9000
905 if K$ = " " then gosub 5000
924 let oldpos = p1
935 if K$ = CHR$(8) then let p1 = p1 - 1
946 if K$ = CHR$(21) then let p1 = p1 + 1
950 if p1 < 1 then let p1 = 1
965 if p1 > 40-PL then let p1 = 40-PL
979 POKE 49168,0: REM reset keyboard input address (clear keyboard strobe)
999 REM +++++++++++
1000 REM Draw paddle
1001 rem +++++++++++
1215 for b = 0 to PL
1210 vtab bottomofscreen: htab p1 + b: ?"-";
1211 next b
1212 if oldpos < p1 then gosub 1220
1214 if oldpos > p1 then gosub 1225
1219 return
1220 REM erase old left edge of paddle subroutine
1221 vtab bottomofscreen: htab oldpos: ?" ";
1224 return
1225 REM erase old right edge of paddle subroutine
1228 vtab bottomofscreen: htab oldpos + PL: ?" ";
1230 return
1500 rem erase expanded paddle when power time is up
1510 for i = 1 to pwl
1515 if oldpos + i > 40 then goto 1530
1520 htab oldpos + i: ?" ";
1530 next i
1550 return
2000 REM increase paddle length; set power timer to five drops
2010 let PL=PL+pwl
2020 let ptime = 5
2030 return
5000 rem pause
5010 htab 4:vtab 4:input "Paused: press <RETURN> to resume";K$
5020 htab 4:vtab 4:? " "
5040 let K$ = ""
5050 return
9000 vtab 11:htab 16:print "GAME OVER":?
9010 print " Play again (Y/N)?"
9015 get A$
9020 if A$ = "Y" then goto 150
9030 if A$ = "N" then ?" Bye!":end
9040 goto 9000

11
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10 PR#0 : TEXT : HOME
20 INPUT "Sector filename: "; FI$
30 HOME
100 PRINT CHR$(4);"OPEN ";FI$;",L50"
110 PRINT CHR$(4);"READ ";FI$;",R0"
120 INPUT R : REM Number of records
130 FOR A = 1 TO R
140 PRINT CHR$(4);"READ ";FI$;",R";A
150 INPUT A$ : PRINT A$
160 NEXT

11
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0 REM Rod's Color Pattern
10 GR : ONERR GOTO 99
20 FOR W = 3 TO 50
30 FOR I = 1 TO 19
40 FOR J = 0 TO 19
50 K = I + J
60 COLOR= J * 3 / (I + 3) + I * W / 12
70 PLOT I,K: PLOT K,I: PLOT 40 - I,40 - K: PLOT 40 - K,40 - I
80 PLOT K,40 - I: PLOT 40 - I,K: PLOT I,40 - K: PLOT 40 - K,I
90 NEXT : NEXT : NEXT : GOTO 20
99 TEXT : HOME : END

24
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10 HOME:VTAB21:HTAB16:?"SCRIBBLE"
14 M=200
15 HGR:DIM OX(M),OY(M):I=0:J=1-M
20 OX(I)=140:OY(I)=80:X=OX(I):Y=OY(I):SX=0:SY=0
30 C=1+3*RND(1):IF RND(1)<0.5 THEN C=C+4
31 HCOLOR=C
33 HPLOT OX(I),OY(I) TO X,Y
35 SX=SX+1-2*RND(1):SY=SY+1-2*RND(1)
36 IF SX < 0 AND X<70 THEN SX=SX*X/50
37 IF SX > 0 AND X>210 THEN SX=SX*(279-X)/50
38 IF SY < 0 AND Y<40 THEN SY=SY*Y/30
39 IF SY > 0 AND Y>120 THEN SY=SY*(159-Y)/30
41 J=J+1:IF J>M THEN J=0
42 I=I+1:IF I>M THEN I=0
43 IF J<0 THEN 45
44 HCOLOR=0:HPLOT OX(I),OY(I) TO OX(J),OY(J):HCOLOR=3
45 OX(I)=X:OY(I)=Y
46 X=X+SX:Y=Y+SY
50 IF X>=0 THEN 70
60 X=0:GOTO 80
70 IF X>=280 THEN X=279
80 IF Y>=0 THEN 100
90 IF Y>=160 THEN Y=159
100 GOTO 30

423
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0 REM From Challenge Magazine #26, by Marc Miller
0 REM *** CORRECTIONS ***
0 REM 1220 Missing "once" and spacing
0 REM 1230 Missing INPUT
0 REM 1253 Typo: "C" -> "CH" for Chirper
0 REM 2050 DR$ initialized with " should be ""
0 REM 2070 LO$(B( should be LO$(B)
0 REM 2130 Unnecessary GOTO 2140
0 REM 2740 REM / merged with subsequent line
0 REM 3015 Typo: "O" -> "OR"
0 REM 3020 Typo: "HY 9" --> "HY = 9"
0 REM 3550 Typo: "AM 10" --> "AM = 10"
0 REM 3820 Typo: <> " should be <> ""
0 REM 4320 "(5-ST)" should be "(5-S1)"
0 REM Typo: line 4460 printed as 460
0 REM 4530 "ST = -3" should be "DM = -3"
0 REM 4622 "DM = +1" unary plus unnecessary
0 REM 4624 "D = 3" should be "DM = 3"
0 REM 5030 "ST$="B" AND ST$="C"" should be "ST$="B" OR ST$="C""
0 REM 6210 " " should be 15 spaces
0 REM 6625 DR$ initialized with " should be ""
0 REM 6650 goto target missing; split 6640 to ensure AL$ appended if DR$ set
0 REM 2070 Missing ) at end of SQR
0 REM 2070 Unnecessary GOTO 2080
0 REM *** INVESTIGATE ***
0 REM 6120 Rule seems bogus - verify?
0 REM 4150/4160 inverted?
0 REM 4120 Jump to 4150 leaves DM unset, must be incorrect; changed to 4120 (no bases if ST$ = "E" or "X")
0 PR#0
1000 TEXT : HOME : PRINT "Traveller Sector Generator"
1010 PRINT " This program generates world UPP data"
1020 PRINT " for Traveller. Copyright 1986 GDW, Inc."
1100 HX$ = "0123456789ABCDFGHJKLMNPQRSTUVWXYZ"
1105 SP$ = "AAAABBCCDEEX"
1110 BA$ = "ABCDEFGHJKLMNPQRSTUVWXYZ"
1140 DEF FN A(X) = INT ( RND (4) * 6) + 1
1150 DEF FN B(X) = FN A(X) + FN A(X)
1200 REM DETERMINE ALLEGIANCES
1210 PRINT : PRINT "Allegiances."
1220 PRINT " You may assign up to 10 allegiances (with a base location and a radius for each). The same allegiance may be used more than once (to allow non-circular regions).": PRINT
1230 INPUT "How many allegiances in the area? > ";A: IF A<1 OR A>10 THEN 1230
1240 HOME : PRINT "Allegiances"
1250 PRINT " Allegiances are two-letter codes. The following use special procedures in this program:"
1253 PRINT "A* CS CH DR HV IM KK NA SO V* Z*"
1254 PRINT "(* = Wildcard)"
1260 PRINT : PRINT " The first allegiance is the default (automatic) allegiance for the sector.": PRINT
1270 FOR B = 1 TO A
1280 PRINT "Allegiance ";B;
1290 INPUT " is: ";AL$(B):AL$(B) = LEFT$ (AL$(B) + "BB",2)
1300 IF B = 1 THEN LO$(B) = "1620":RA(B) = 22: GOTO 1330
1310 INPUT "Location (Hex) is: ";LO$(B):LO$(B) = LEFT$ (LO$(B) + "0000",4)
1320 INPUT "Radius (parsecs) is: ";RA(B)
1325 IF RA(B)<1 THEN RA(B) = 1
1330 NEXT B
1400 REM DESIGNATE DENSITIES
1410 HOME : PRINT "Densities"
1420 PRINT " You may assign up to 10 densities (with a base location and a radius for each).": PRINT
1430 INPUT "How many densities in the area? > ";A1
1435 IF A1<1 OR A1>10 THEN 1430
1440 PRINT " Densities are decimal fractions.": PRINT
1450 PRINT " The first density is the default (automatic) density for the sector.": PRINT
1460 FOR B = 1 TO A1
1470 PRINT "Density ";B;
1480 INPUT " is: ";DE(B): IF DE(B)>1 THEN 1480
1490 IF B = 1 THEN L1$(B) = "1620":RD(B) = 22: GOTO 1520
1500 INPUT "Location (hex) is: ";L1$(B):L1$(B) = LEFT$ (L1$(B) + "0000",4)
1510 INPUT "Radius (parsecs) is: ";RD(B)
1515 IF RD(B)<1 THEN RD(B) = 1
1520 NEXT B
1530 HOME
2000 REM PRODUCE SECTOR
2010 PRINT CHR$ (4);"OPEN SECTOR, L50"
2020 FOR X = 1 TO 32
2030 FOR Y = 1 TO 40
2040 REM FIND ALLEGIANCE
2050 DR$ = "":AL$ = AL$(1):DR = 0
2060 FOR B = A TO 2 STEP - 1
2070 D = SQR((VAL(LEFT$(LO$(B),2))-X)*(VAL(LEFT$(LO$(B),2))-X)+(VAL(MID$(LO$(B),3,2))-Y)*(VAL(MID$(LO$(B),3,2))-Y)): IF D<RA(B) THEN AL$=AL$(B): IF D>(0.9*RA(B)) AND FN B(4)>9 THEN AL$="NA": IF FN B(4)>6 THEN AL$="CS" : GOTO 2080
2080 NEXT B
2100 REM WORLD OCCURRENCE
2110 DE = DE(1): IF A1<2 THEN 2150
2120 FOR B = A1 TO 2 STEP - 1
2130 D = SQR (( VAL ( LEFT$ (L1$(B),2)) - X) * ( VAL ( LEFT$ (L1$(B),2)) - X) - ( VAL ( MID$ (L1$(B),3,2)) - Y) * ( VAL ( MID$ (L1$(B),3,2)) - Y)): IF D<RD(B) THEN DE = DE(B) : GOTO 2140
2140 NEXT B
2150 RN = RND (4): IF RN>DE THEN 7070
2200 REM GENERATOR WORLD UPP
2210 ST = FN B(4):ST$ = MID$ (SP$,ST,1)
2220 SI = FN B(4) - 2: IF AL$ = "DR" THEN SI = FN A(6)
2230 AM = FN B(2) - 7 + SI:AM = AM * (AM>0): IF SI = 0 THEN AM = 0
2240 HY = FN B(2) - 7 + SI: IF SI<2 THEN HY = 0
2250 IF AM<2 OR AM>9 THEN HY = HY - 4
2260 IF HY<0 THEN HY = 0
2270 IF HY>10 THEN HY = 10
2300 PO = FN B(3) - 2
2310 GO = FN B(3) - 7 + PO:GO = GO * (GO>0)
2320 LA = FN B(4) - 7 + GO:LA = LA * (LA>0)
2330 IF PO<1 THEN 2600
2400 REM FIND DROYNE PRESENCE
2410 DM = - 5: IF SI>0 THEN DM = 0: IF SI>1 THEN DM = 1: IF SI>2 THEN DM = 2: IF SI>3 THEN DM = 3: IF SI>4 THEN DM = 2: IF SI>5 THEN DM = 1: IF SI>6 THEN DM = 0: IF SI>7 THEN DM = - 2: IF SI>8 THEN DM = - 4: IF SI>9 THEN DM = - 6
2420 DN = - 5: IF AM>0 THEN DN = - 4: IF AM>1 THEN DN = - 3: IF AM>2 THEN DN = - 2: IF AM>3 THEN DN = - 1: IF AM>4 THEN DN = 0: IF AM>5 THEN DN = 2: IF AM>6 THEN DN = 1: IF AM>7 THEN DN = 4: IF AM>8 THEN DN = 3: IF AM>9 THEN DN = - 5
2430 IF AM>10 THEN DN = - 6: IF AM>11 THEN DN = - 7: IF AM>12 THEN DN = - 3
2440 DO = 1: IF HY<3 THEN DO = 0: IF HY = 0 THEN DO = - 1
2450 IF HY>7 THEN DO = 0: IF HY>9 THEN DO = - 3
2460 DP = - 5: IF PO>0 THEN DP = - 4: IF PO>1 THEN DP = - 3: IF PO>2 THEN DP = - 2: IF PO>3 THEN DP = - 1: IF PO>5 THEN DP = 1: IF PO>7 THEN DP = 0: IF PO>8 THEN DP = - 2
2470 RR = FN B(5):RL = FN B(5)
2480 DM = DM + DN + DO + DP + RR
2490 IF DM<( - 8) THEN 2600
2500 IF (DM> - 9) AND (RL>11) THEN DR = - 5:DR$ = "DR"
2510 IF (DM>0) AND (RL>10) THEN DR = - 4:DR$ = "DR"
2520 IF (DM>9) AND (RL>9) THEN DR = - 2:DR$ = "DR"
2530 IF (DM>15) AND (RL>8) THEN DR = 0:DR$ = "DR"
2540 IF DR$ = "" THEN 2600
2550 IF FN B(4)>5 THEN DR$ = "CH"
2560 PP = ( FN B(3) - 2) + DR: IF PP<0 THEN PP = 0
2570 IF PP>9 THEN PP = 9
2580 DR$ = LEFT$ (DR$,1) + STR$ (PP)
2600 REM FIND SPECIFIC ALLEGIANCE
2610 IF LEFT$ (AL$,1) = "A" THEN 2700
2620 IF AL$ = "CH" THEN 2800
2630 IF AL$ = "DR" THEN 2800
2640 IF AL$ = "HV" THEN 2900
2650 IF AL$ = "KK" THEN 3000
2660 IF AL$ = "SO" THEN 3100
2670 IF LEFT$ (AL$,1) = "V" THEN 3200
2680 IF LEFT$ (AL$,1) = "Z" THEN 3300
2690 GOTO 3400
2700 REM ASLAN
2705 IF ASC ( MID$ (AL$,2,1))<48 OR ASC ( MID$ (AL$,2,1))>57 THEN 2720
2710 GO = 20: IF PO<4 AND FN B(6)<11 THEN GO = 16
2715 GOTO 2730
2720 WD = FN A(4):RD = FN A(3) + (1 * (PO<4)) + (2 * (PO = 9)) + (3 * (PO = 10)): IF RD<0 THEN WD = 0
2725 GO = 16 + WD: IF RD>6 THEN GO = 17
2730 AR = VAL ( MID$ (AL$,2,1)): IF GO = 20 AND AR = 0 AND MID$ (AL$,2,1)<>"0" THEN AL$ = "A" + STR$ ( INT ( RND (5) * 10))
2735 LA = FN B(5)
2740 REM
2745 DM = 3: IF ST>4 THEN DM = 2: IF ST>6 THEN DM = 0: IF ST>8 THEN DM = - 1: IF ST>9 THEN DM = - 2
2750 IF PO<3 AND GO = 16 THEN DM = DM - 3: GOTO 2760
2755 IF PO<8 THEN DM = DM - 1: IF PO<7 THEN DM = DM - 1
2760 TL = FN A(4) + 8 + DM: IF TL>14 THEN TL = 14
2765 GOTO 3600
2800 REM DROYNE
2810 IF AL$ = "DR" OR AL$ = "CH" THEN PO = FN A(4) + 2
2820 IF AL$ = "DR" THEN A = FN A(4):GO = 31: IF A<5 THEN GO = 7: IF A<3 THEN GO = 6
2830 LA = ( FN B(4) - 6) + PO:TL = ( FN B(5) + FN A(3)) - 2
2835 ST = ( FN B(4) - 7) + TL
2840 LA = LA * (LA>0):TL = TL * (TL>0):ST = ST * (ST>0)
2850 IF ST>12 THEN ST = 12
2860 ST$ = MID$ ("XXXXEEDCCBBAAAA",ST + 1,1)
2870 GOTO 3700
2900 REM HIVERS
2905 IF PO<1 THEN GO = 0:LA = 0:TL = 0: GOTO 3700
2910 NH = 0: IF ((AM>0 AND AM<5) OR (AM>9 AND AM<13)) AND FN B(5)>8 AND PO>0 THEN NH = 1
2915 GO = PO - FN A(6): IF GO<0 THEN GO = 0
2920 IF GO = 4 OR GO = 5 THEN GO = 26
2925 IF GO = 6 OR GO = 7 THEN GO = 27
2930 IF GO = 8 THEN GO = 28
2935 IF GO = 9 THEN GO = 29
2940 IF GO = 3 THEN GO = 6
2945 IF PO<7 AND NH = 1 THEN GO = 6
2950 LA = FN A(4): IF NH = 1 THEN LA = FN B(5)
2955 DM = 3: IF ST$>"A" THEN DM = 2: IF ST$>"B" THEN DM = 0: IF ST$>"C" THEN DM = - 1: IF ST$>"D" THEN DM = - 2
2960 IF (PO<4 AND GO<>6) THEN DM = DM - 3
2965 IF (PO>3 AND PO<7) THEN DM = DM - 2
2970 IF PO = 7 THEN DM = DM - 2
2975 TL = FN B(4) + 8 + DM
2980 IF TL>15 THEN TL = 15
2985 GOTO 3700
3000 REM KKREE
3005 GO = 23: IF PO>2 THEN GO = 24: IF PO>5 THEN GO = 25
3010 DM = (2 * (ST$ = "A")) + (ST$ = "B") + ( - 1 * (ST$ = "E")) + ( - 6 * (ST$ = "x"))
3015 DM = DM + ( - 2 * (AM<3)) + ( - 1 * (AM = 3)) + (3 * (AM = 5 OR AM = 6 OR AM = 8)) + ( - 1 * (AM = 10)) + ( - 2 * (AM = 11 OR AM = 13 OR AM = 14 OR AM = 15)) + ( - 3 * (AM = 12))
3020 DM = DM + ( - 2 * (HY = 0)) + (1 * (HY = 2 OR HY = 6)) + (2 * (HY = 3 OR HY = 4 OR HY = 5)) + ( - 1 * (HY = 8)) + ( - 2 * (HY = 9)) + ( - 3 * (HY = 10))
3025 NK = 0:PO = FN A(4) - 2 + DM: IF PO>11 THEN PO = 12:NK = 1:PO = FN B(4) - 2:GO = ( FN B(4) - 7) + PO:GO = GO * (GO> - 0):LA = ( FN B(4) - 7) + GO:LA = LA * (LA>0): GOTO 3040
3030 GO = 23: IF PO>2 THEN GO = 24: IF PO>5 THEN GO = 25
3035 LA = 19
3040 IF PO<1 THEN PO = 0:ST = 10:ST$ = "E":GO = 0:LA = 0
3045 REM
3050 DM = 3: IF ST>4 THEN DM = 2: IF ST>6 THEN DM = 0: IF ST>8 THEN DM = - 1: IF ST>9 THEN DM = - 2: IF ST>11 THEN DM = - 9
3055 IF GO = 23 THEN DM = DM - 3
3060 IF GO = 24 THEN DM = DM - 1
3065 IF GO = 25 THEN DM = DM + 1
3070 TL = FN A(4) + 9 + DM
3075 IF TL>15 THEN TL = 15
3080 GOTO 3600
3100 REM SOLOMANI
3110 GOTO 3400
3200 REM VARGR
3210 IF ( FN B(5) + PO)>15 THEN GO = 7
3220 GOTO 3400
3300 REM ZHODANI
3310 IF ST>11 THEN PO = FN A(4) + 4
3320 GOTO 3400
3400 REM FIND TECH LEVEL
3410 TL = FN A(6)
3420 IF ST$ = "A" THEN TL = TL + 6
3430 IF ST$ = "B" THEN TL = TL + 4
3440 IF ST$ = "C" THEN TL = TL + 2
3450 IF ST$ = "X" THEN TL = TL - 4
3460 IF SI<5 THEN TL = TL - 1: IF SI<2 THEN TL = TL - 1
3470 IF AM<4 THEN TL = TL + 1
3480 IF AM>9 THEN TL = TL + 1
3490 IF HY>8 THEN TL = TL + 1: IF HY>9 THEN TL = TL + 1
3500 IF PO>0 AND PO<6 THEN TL = TL + 1
3510 IF PO>8 THEN TL = TL + 2: IF PO>9 THEN TL = TL + 2
3520 IF GO = 0 OR GO = 5 THEN TL = TL + 1
3550 IF LEFT$ (AL$,1) = "Z" AND ((AM<3 AND TL<8) OR (AM = 3 AND TL<7) OR ((AM = 4 OR AM = 7 OR AM = 9) AND TL<6) OR ((AM = 10 OR AM = 11) AND TL<9) OR (AM = 12 AND TL<10)) THEN PO = 0:GO = 0:LA = 0:TL = 0
3560 GOTO 3700
3600 REM BASIC ALIEN TL LEVELLER
3610 IF AM<3 AND TL>7 THEN TL = 7
3620 IF AM = 3 AND TL<6 THEN TL = 6
3630 IF (AM = 4 OR AM = 7 OR AM = 9) AND TL<5 THEN TL = 5
3640 IF (AM = 10 OR AM = 11) AND TL<8 THEN TL = 8
3650 IF AM = 12 AND TL<9 THEN TL = 9
3700 REM GENERATE GAS GIANT
3710 GG = 0: IF FN B(4)<10 THEN GG = 1
3800 REM GENERATE TRAVEL ZONES
3810 TZ = 0
3815 IF AL$<>"IM" THEN 3845
3820 IF DR$<>"" AND TZ = 0 THEN IF FN B(5)>8 THEN TZ = 1
3830 IF ST$ = "X" THEN TZ = 2
3840 IF TZ = 0 AND FN B(4)>10 THEN TZ = 1
3845 IF LEFT$ (AL$,1)<>"z" THEN 4000
3850 IF LEFT$ (AL$,1) = "Z" and (st$="C" or ST$="D" or ST$="E") and FNB(5)>10 then tz=4
3860 IF ST$ = "x" AND LEFT$ (AL$,1) = "z" THEN TZ = 3
4000 REM GENERATE BASES
4010 B1 = 0:B2 = 0:B$ = " "
4020 IF LEFT$ (AL$,1) = "A" THEN 4300
4030 IF AL$ = "DR" THEN 4900
4040 IF AL$ = "HV" THEN 5000
4050 IF AL$ = "KK" THEN 4500
4060 IF AL$ = "SO" THEN 4800
4070 IF LEFT$ (AL$,1) = "V" THEN 4600
4080 IF LEFT$ (AL$,1) = "Z" THEN 4700
4100 REM IMPERIAL BASES
4110 IF ST$<"C" AND FN B(5)>7 THEN B1 = 1
4120 IF ST$>"D" THEN 4210
4130 DM = - 3: IF ST>4 THEN DM = - 2: IF ST>6 THEN DM = - 1: IF ST>8 THEN DM = 0: IF ST>9 THEN 4150
4140 IF ( FN B(5) + DM)>6 THEN B2 = 1
4150 IF B1 = 1 AND B2 = 0 THEN B$ = "N"
4160 IF ( FN B(4) + DM)>6 THEN B2 = 1
4170 IF B1 = 0 AND B2 = 1 THEN B$ = "S"
4180 IF B1 = 1 AND B2 = 1 THEN B$ = "A"
4190 IF (AL$<>"IM" AND AL$<>"CS") AND B1<>0 THEN B$ = "J"
4200 IF (AL$<>"IM" AND AL$<>"CS") AND B2<>0 THEN B$ = "M"
4210 GOTO 6000
4300 REM ASLAN BASES
4310 B1 = 0:B2 = 0:T1 = FN B(5):T2 = FN B(4):S1 = ASC (ST$) - 64:B$ = " "
4320 IF GO = 16 AND S1<3 AND T1 + (5 - S1)>13 THEN B1 = 1
4330 IF GO = 16 AND S1<3 AND T2 + (5 - S1)>12 THEN B2 = 1
4340 IF GO = 17 AND S1<5 AND T1 + (5 - S1)>8 THEN B1 = 1
4350 IF GO = 20 AND S1<5 AND T1 + (5 - S1)>6 THEN B1 = 1
4360 IF GO = 20 AND S1>5 AND T1>7 THEN B1 = 1
4370 IF GO = 22 AND S1<5 AND T1 + (5 - S1)>9 THEN B1 = 1
4380 IF (GO = 17 OR GO = 18 OR GO = 21) AND S1<5 AND T2 + (5 - S1)>7 THEN B2 = 1
4390 IF GO = 19 AND S1<5 AND T2 + (5 - S1)>6 THEN B2 = 1
4400 IF GO = 22 AND S1<5 AND T2 + (5 - S1)>8 THEN B2 = 1
4410 IF GO = 18 AND S1>5 AND T2>7 THEN B2 = 1
4420 IF GO = 19 AND S1>5 AND T2>8 THEN B2 = 1
4430 IF B1 = 1 THEN B$ = "T"
4440 IF B2 = 1 THEN B$ = "R"
4450 IF B1 = 1 AND B2 = 1 THEN B$ = "U"
4460 IF GO = 16 AND B1 = 1 THEN B$ = "T"
4470 GOTO 6000
4500 REM KKREE BASES
4510 IF FN B(5)>6 THEN B1 = 1:B2 = 0:B$ = "K": GOTO 4550
4520 IF ST$>"D" THEN 4550
4530 DM = 0: IF ST<9 THEN DM = - 1: IF ST<7 THEN DM = - 2: IF ST<5 THEN DM = - 3
4540 IF FN B(5) + DM>6 THEN B2 = 1:B$ = "O"
4550 GOTO 6000
4600 REM VARGR BASES
4610 IF FN B(5)>6 THEN B1 = 1:B$ = "G": GOTO 4650
4620 DM = - 2: IF ST>4 THEN DM = - 1: IF ST>6 THEN DM = 2
4622 IF ST>8 THEN DM = + 1: IF ST>9 THEN DM = 2
4624 IF ST>11 THEN DM = 3
4630 IF FN B(5) + DM>8 THEN B2 = 1:B$ = "C"
4640 IF B1 = 1 AND B2 = 1 THEN B$ = "H"
4650 GOTO 6000
4700 REM ZHODANI BASES
4710 DM = 2: IF ST>4 THEN DM = 1: IF ST>6 THEN DM = 0: IF ST>9 THEN 4740
4720 IF FN B(6) + DM>8 THEN B1 = 1:B$ = "Z"
4730 IF ST<5 AND FN B(4)>10 THEN B1 = 2:B$ = "Y"
4740 REM
4750 GOTO 6000
4800 REM SOLOMANI BASES
4810 B2 = 0
4820 IF ST$<"C" AND FN B(5)>7 THEN B1 = 1
4830 IF B1 = 1 THEN B$ = "J"
4840 GOTO 6000
4900 REM DROYNE BASES
4910 IF ST$>"D" THEN 4950
4920 IF FN B(5) + (4 - ( ASC (ST$) - 64))>7 THEN B1 = 1:B$ = "P"
4930 IF GO = 6 THEN B1 = 2:B$ = "N"
4940 IF ( FN B(5) - 7) + TL>6 THEN B2 = 1:B$ = "Q"
4950 GOTO 6000
5000 REM HIVER BASES
5010 B0 = FN B(5):B1 = 0:B2 = 0
5020 IF ST$ = "A" AND B0<6 THEN B1 = 6
5030 IF ST$ = "A" AND B0>7 THEN B1 = 7: IF B0 = 12 THEN B1 = 8
5040 IF (ST$ = "B" OR ST$ = "C") AND B0<3 THEN B2 = 8
5050 IF ST$ = "B" AND (B0 = 10 OR B0 = 11) THEN B1 = 7
5060 IF ST$ = "B" AND B0 = 12 THEN B2 = 9
5070 IF ST$ = "C" AND (B0 = 10 OR B0 = 11) THEN B2 = 8
5080 IF ST$ = "C" AND B0 = 12 THEN B2 = 9
5090 IF ST$ = "D" AND (B0 = 2 OR B0 = 11) THEN B2 = 8
5100 IF ST$ = "D" AND B0 = 12 THEN B2 = 9
5110 IF ST$ = "E" AND B0 = 12 THEN B2 = 8
5120 IF ST$ = "X" AND B0 = 12 THEN B2 = 8
5130 IF B1 = 6 THEN B$ = "E"
5140 IF B1 = 7 THEN B$ = "L"
5150 IF B2 = 8 THEN B$ = "M"
5160 IF B2 = 9 THEN B$ = "F"
5170 GOTO 6000
6000 REM TRADE CLASSIFICATIONS
6010 TC$ = "": IF AL$ = "KK" AND NK = 1 THEN TC$ = TC$ + "NK "
6030 IF AL$ = "HV" AND NH = 1 THEN TC$ = TC$ + "NH "
6040 IF AL$ = "HV" AND NH = 1 AND PO>7 AND (AM = 3 OR AM = 4 OR AM = 10 OR AM = 11 OR AM = 12) THEN TC$ = TC$ + "FA "
6045 IF PO>8 THEN TC$ = TC$ + "HI "
6047 IF PO<4 THEN TC$ = TC$ + "LO "
6050 IF (AM<3 OR AM = 4 OR AM = 7 OR AM = 9) AND PO>8 THEN TC$ = TC$ + "IN "
6055 IF (AM<2 AND HY>0) THEN TC$ = TC$ + "IC "
6060 IF PO<7 THEN TC$ = TC$ + "NI "
6065 IF AM>9 AND HY>0 THEN TC$ = TC$ + "FL "
6070 IF ( LEFT$ (AL$,1) = "A" OR AL$ = "HV" OR AL$ = "KK") AND (AM = 6 OR AM = 8) AND (PO>5 AND PO<9) THEN TC$ = TC$ + "RI ": GOTO 6120
6080 IF LEFT$ (AL$,1) = "v" AND (AM = 6 OR AM = 8) AND (PO>5 AND PO<9) AND (GO<>7) THEN TC$ = TC$ + "RI ": GOTO 6120
6090 IF AL$ = "DR" AND (AM = 6 OR AM = 8) AND (PO>5 AND PO<9) THEN TC$ = TC$ + "RI ": GOTO 6120
6100 IF LEFT$ (AL$,1) = "Z" AND (TZ = 3 OR TZ = 4) AND (AM = 6 OR AM = 8) AND (PO>5 AND PO<9) THEN TC$ = TC$ + "RI ": GOTO 6120
6110 IF (AM = 6 OR AM = 8) AND (PO>5 OR PO<9) AND (GO>3 AND GO<10) THEN TC$ = TC$ + "RI "
6120 IF (AM>1 AND AM<6) AND HY<4 THEN TC$ = TC$ + "PO "
6130 IF HY = 10 THEN TC$ = TC$ + "WA "
6140 IF HY = 0 AND AM>1 THEN TC$ = TC$ + "DE "
6150 IF SI = 0 THEN TC$ = TC$ + "AS "
6160 IF AM = 0 AND SI<>0 THEN TC$ = TC$ + "VA "
6170 IF AL$ = "KK" AND (SI = 7 OR SI = 8) AND (AM = 6 OR AM = 8) AND (HY>2 AND HY<6) THEN TC$ = TC$ + "ST "
6180 IF (AM>3 AND AM<10) AND (HY>3 AND HY<9) AND (PO>4 AND PO<8) THEN TC$ = TC$ + "AG "
6190 IF AM<4 AND HY<4 AND PO>5 THEN TC$ = TC$ + "NA "
6200 IF PO = 0 AND GO = 0 AND LA = 0 THEN TC$ = TC$ + "BA "
6210 TC$ = LEFT$ (TC$ + " ",15)
6500 REM CREATE WORLD DATA STRING
6510 A$ = "": IF X<10 THEN A$ = "0"
6530 A$ = A$ + STR$ (X): IF Y<10 THEN A$ = A$ + "0"
6550 A$ = A$ + STR$ (Y) + " "
6560 IF HY<0 THEN HY = 0
6570 IF AM<0 THEN AM = 0
6580 A$ = A$ + ST$ + MID$ (HX$,SI + 1,1) + MID$ (HX$,AM + 1,1) + MID$ (HX$,HY + 1,1)
6590 A$ = A$ + MID$ (HX$,PO + 1,1) + MID$ (HX$,GO + 1,1) + MID$ (HX$,LA + 1,1) + "-"
6600 IF TL<0 THEN TL = 0
6610 A$ = A$ + MID$ (HX$,TL + 1,1) + " ":A$ = A$ + B$ + " "
6625 IF PO = 0 THEN DR$ = ""
6630 IF DR$<>"" THEN A$ = A$ + DR$ + " " + LEFT$ (TC$,12): GOTO 6650
6640 A$ = A$ + TC$
6650 A$ = A$ + AL$ + " "
6660 IF TZ = 1 THEN A$ = A$ + "A "
6670 IF TZ = 2 THEN A$ = A$ + "R "
6680 IF TZ = 3 THEN A$ = A$ + "F "
6690 IF TZ = 4 THEN A$ = A$ + "U "
6700 IF TZ = 0 THEN A$ = A$ + " "
6710 IF GG = 0 THEN A$ = A$ + " "
6720 IF GG = 1 THEN A$ = A$ + "G "
7000 REM SAVE TO DISK
7010 R = R + 1
7020 PRINT CHR$ (4);"WRITE SECTOR, R";R
7030 PRINT A$
7040 PRINT CHR$ (4)
7040 PRINT A$
7070 NEXT Y: NEXT X
7090 REM SAVE FILE LENGTH
7100 PRINT CHR$ (4);"WRITE SECTOR, R0"
7110 PRINT R
7120 PRINT CHR$ (4);"CLOSE"
7130 REM SAVE FILE PARAMETERS
7140 INPUT "NAME THIS FILE? > ";FI$
7150 PRINT CHR$ (4);"RENAME SECTOR,";FI$
7160 PRINT CHR$ (4);"OPEN ";FI$;"@"
7170 PRINT CHR$ (4);"WRITE ";FI$;"@"
7180 PRINT 9: PRINT R: PRINT 49
7190 PRINT "HEX ": PRINT 4
7200 PRINT "UPP ": PRINT 9
7210 PRINT "BASES ": PRINT 1
7220 PRINT "TRADE CLA ": PRINT 14
7280 PRINT "ALLEG ": PRINT 2
7290 PRINT "TRAVEL ZO ": PRINT 1
7300 PRINT "GAS GIANT ": PRINT 1
7310 PRINT "TRADEWRLD ": PRINT 1
7320 PRINT "EXPLORED? ": PRINT 1
7390 PRINT CHR$ (4);"CLOSE"
7400 END

24
samples/sample.sierpinski.txt Normal file
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@ -0,0 +1,24 @@
10 TEXT : HOME
20 PRINT "Sierpinski triangle using random number generation"
30 PRINT "Press any key to continue"
40 GET A$
100 HGR : HCOLOR=3 : HOME
110 REM set up three points to form a triangle
120 DIM x(3), y(3)
130 x(0) = 0 : y(0) = 160
140 x(1) = 90 : y(1) = 0
150 x(2) = 180 : y(2) = 160
160 REM plot the vertices of the triangle
170 FOR i= 0 to 2
180 HPLOT x(i), y(i)
190 NEXT i
200 REM pick a random starting point
210 x = int(RND(1)*180) : y = int(RND(1)*150)
220 hplot x,y
230 FOR i = 1 to 2000
240 REM randomly pick one of the triangle vertices
250 v = int(rnd(1)*3)
260 REM move the point half way to the triangle vertex
270 x = (x + x(v)) / 2 : y = (y + y(v)) / 2
280 HPLOT x,y
290 NEXT

35
samples/sample.squiggle.txt Normal file
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@ -0,0 +1,35 @@
5 REM Squiggle by Gregg Buntin
10 TEXT
20 HOME
30 INPUT "Enter a number from 1 to 8:";N
40 IF N > 0 AND N < 8 THEN F = 128
50 E = 0
60 K = 4 ^ N
70 FOR X = 1 TO N
80 U = F
90 F = - E / 2
100 E = U / 2
110 NEXT
120 HGR
130 HCOLOR= 3
140 X = 80
150 Y = 70
160 HPLOT X,Y
170 FOR M = 1 TO K
180 Z = M
190 X = X + F
200 Y = Y + E
210 HPLOT TO X,Y
220 FOR A = 0 TO 1
230 Z = Z / 2
240 Q = INT (Z)
250 A = Z - Q
260 NEXT
270 A = (Q / 2 = INT (Q / 2)) * 2 - 1
280 U = F
290 F = A * E
300 E = - A * U
310 NEXT
320 GOTO 10

71
samples/sample.steve.txt Normal file
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@ -0,0 +1,71 @@
1 REM In honor of Steve Jobs passing I went
2 REM back to my Apple BASIC roots. I learned
3 REM on an Apple IIe in my library and over
4 REM the summer at summer school.
5 REM It was then that I learned I wasnt a coder
6 REM and still am not today but it was my start
7 REM in learning technology outside of the slide
8 REM and film projectors.
9 REM
10 REM If I have more time maybe I'll bust out
11 REM something more exciting.
12
13 REM You can run this program via the URL below
14 REM http://www.calormen.com/Applesoft/.
16 REM
18 HOME
19 HGR
20 HCOLOR=2
25 REM R
30 HPLOT 90,70 TO 90,0 TO 125,0 TO 125,35 TO 90,35 TO 125,70
100 REM I
110 HPLOT 130,0 TO 165,0
120 HPLOT 130,70 TO 165,70
130 HPLOT 147,0 TO 147,70
150 REM P
160 HPLOT 170,70 TO 170,0 TO 205,0 TO 205,35 TO 170,35
200 REM S
210 HPLOT 23,82 TO 0,82 TO 0,94 TO 23,94 TO 23,106 TO 0,106
300 REM T
310 HPLOT 27,82 TO 51,82
320 HPLOT 39,82 TO 39,106
350 REM E
360 HPLOT 79,82 TO 55,82 TO 55,106 TO 79,106
380 HPLOT 55,94 TO 67,94
400 REM V
410 HPLOT 83,82 TO 95,106 TO 107,82
450 REM E
460 HPLOT 134,82 TO 110,82 TO 110,106 TO 134,106
480 HPLOT 110,94 TO 122,94
500 REM J
510 HPLOT 168,82 TO 190,82
520 HPLOT 178,82 TO 178,106 TO 168,106 TO 168,98
550 REM O
560 HPLOT 194,82 TO 218,82 TO 218,106 TO 194,106 TO 194,82
600 REM B
610 HPLOT 222,82 TO 240,82 TO 246,84 TO 246,104 TO 240,106 TO 222,106 TO 222,82
650 HPLOT 222,94 TO 246,94
700 REM S
710 HPLOT 274,82 TO 250,82 TO 250,94 TO 274,94 TO 274,106 TO 250,106
800 REM 1
810 HPLOT 2,120 TO 14,116 TO 14,140
820 HPLOT 2,140 TO 25,140
850 REM 9
860 HPLOT 57,116 TO 33,116 TO 33,128 TO 57,128
890 HPLOT 57,116 TO 57,140
900 REM 5
910 HPLOT 89,116 TO 65,116 TO 65,128 TO 85,128 TO 89,132 TO 89,138 TO 87,140 TO 65,140
1000 REM 5
1010 HPLOT 121,116 TO 97,116 TO 97,128 TO 117,128 TO 121,132 TO 121,138 TO 119,140 TO 97,140
1070 REM -
1080 HPLOT 131,128 TO 151,128
1100 REM 2
1110 HPLOT 161,116 TO 185,116 TO 185,128 TO 161,128 TO 161,140 TO 185,140
1200 REM 0
1210 HPLOT 217,116 TO 193,116 TO 193,140 TO 217,140 TO 217,116
1250 REM 1
1260 HPLOT 235,140 TO 235,116 TO 223,120
1270 HPLOT 223,140 TO 247,140
1300 REM 1
1310 HPLOT 265,140 TO 265,116 TO 253,120
1320 HPLOT 253,140 TO 277,140

11
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@ -0,0 +1,11 @@
10 HGR
20 hcolor=1
30 y=191
40 for x=1 to 191 step 5
50 c=c+1
60 if c=>6 then c=1
70 hcolor=c
80 hplot x,1 to 1,y
90 y=y-5
100 next x
110 goto 30

812
samples/sample.unittests.txt Normal file
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@ -0,0 +1,812 @@
0 GOTO 100
1 REM LET T$ = "test desc" : LET S = 0 OR 1 : GOSUB 1
2 IF S THEN PRINT ".";
3 IF NOT S THEN INVERSE : PRINT " Test ";T$;" Failed "; : NORMAL : PRINT ""; : F = F + 1
4 TE = TE + 1 : TS = TS + (NOT NOT S) : S = 0 : RETURN
100 REM Pre-test for CLEAR
110 A = 1 : A$ = "a" : A(1) = 2 : A$(1) = "b" : CLEAR
200 REM Feature Detection
210 LR = 0 : ONERR GOTO 220 : GR : LR = 1
220 HR = 0 : ONERR GOTO 240 : HGR : HR = 1
230 PD = 0 : ONERR GOTO 240 : X = PDL(0) : PD = 1
240 POKE 216,0
300 PR#3 : TEXT : HOME : PRINT "Unit Tests"
1000 PRINT : PRINT "Variable Control ";
1010 REM Ensure CLEAR in line 110 occurred
: T$ = "CLEAR"
: S = ( A = 0 ) : GOSUB 1
: S = ( A$ = "" ) : GOSUB 1
: S = ( A(1) = 0 ) : GOSUB 1
: S = ( A$(1) = "" ) : GOSUB 1
1020 T$ = "Implicit LET"
: A = 123 : S = ( A = 123 ) : GOSUB 1
: A$ = "abc" : S = ( A$ = "abc" ) : GOSUB 1
: A(1) = 234: S = ( A(1) = 234 ) : GOSUB 1
: A$(1) = "bcd" : S = ( A$(1) = "bcd" ) : GOSUB 1
1030 T$ = "Explicit LET"
: LET A = 123 : S = ( A = 123 ) : GOSUB 1
: LET A$ = "abc" : S = ( A$ = "abc" ) : GOSUB 1
: LET A(1) = 234 : S = ( A(1) = 234 ) : GOSUB 1
: LET A$(1) = "bcd" : S = ( A$(1) = "bcd" ) : GOSUB 1
1040 T$ = "DIM"
: DIM AR(12)
: FOR I = 0 TO 12 : AR(I) = I : NEXT
: T = 0 : U = 0
: FOR I = 0 TO 12 : T = T + I : U = U + AR(I) : NEXT
: S = (T = U) : GOSUB 1
1050 T$ = "DEF FN"
: DEF FN FA(X) = X+X : S = (FN FA(3) = 6) : GOSUB 1
: DEF FN FB(X) = X*X : S = (FN FB(3) = 9) : GOSUB 1
2000 PRINT : PRINT "Flow Control ";
2010 T$ = "GOTO" : T = 1 : GOTO 2017 : T = T + 1
2015 T = T + 1 : GOTO 2019 : T = T + 1
2017 T = T + 1 : GOTO 2015
2018 T = T + 1
2019 S = (T=3) : GOSUB 1
2020 T$ = "GOSUB/RETURN" : T = 1 : GOSUB 2025 : GOTO 2029
2025 T = T + 1 : RETURN
2029 S = (T=2) : GOSUB 1
2030 T$ = "ON GOTO" : T = 1 : ON 2 GOTO 2031, 2032, 2033
2031 T = T + 1
2032 T = T + 1
2033 T = T + 1
2039 S = (T=3) : GOSUB 1
2040 T$ = "ON GOSUB" : T = 1 : ON 2 GOSUB 2041, 2042, 2043 : GOTO 2049
2041 T = T + 1 : RETURN
2042 T = T + 2 : RETURN
2043 T = T + 3 : RETURN
2049 S = (T=3) : GOSUB 1
2050 T$ = "POP" : T = 1 : GOSUB 2055 : T = T + 1 : GOTO 2059
2055 T = T + 1 : GOSUB 2056 : T = T + 5
2056 POP : T = T + 1 : RETURN
2059 S = (T=4) : GOSUB 1
2060 T$ = "FOR"
: T = 0 : FOR I = 1 TO 10 : T = T + I : NEXT
: S = (T = 55) : GOSUB 1
2061 T$ = "FOR STEP"
: T = 0 : FOR I = 1 TO 10 STEP 2 : T = T + I : NEXT
: S = (T = 25) : GOSUB 1
2062 T$ = "FOR STEP"
: T = 0 : FOR I = 10 TO 1 STEP -1 : T = T + I : NEXT
: S = (T = 55) : GOSUB 1
2063 T$ = "FOR STEP"
: T = 0 : FOR I = 10 TO 1 : T = T + I : NEXT
: S = (T = 10) : GOSUB 1
2070 T$ = "NEXT"
: T = 0 : FOR I = 1 TO 10 : FOR J = 1 TO 10 : FOR K = 1 TO 10 : T = T + 1 : NEXT J, I
: S = (T=100) : GOSUB 1
2080 T$ = "IF THEN"
: T = 1 : IF 0 THEN T = 2
2081 S = (T=1) : GOSUB 1
: T = 1 : IF 1 THEN T = 2 : T = 3
2082 S = (T=3) : GOSUB 1
2090 T$ = "IF GOTO"
: T = 1 : IF 0 GOTO 2092 : T = 2
2091 T = 3
2092 S = (T=3) : GOSUB 1
: T = 1 : IF 1 GOTO 2094 : T = 2
2093 T = 3
2094 S = (T=1) : GOSUB 1
2100 T$ = "Empty String is False"
: T = 1 : IF "" THEN T = 2
2101 S = (T=1) : GOSUB 1
2110 T$ = "Non-Empty String is True"
: T = 1 : IF "abc" THEN T = 2
2111 S = (T=2) : GOSUB 1
3000 PRINT : PRINT "Error Handling ";
3010 T$ = "ONERR GOTO"
: T = 1 : ONERR GOTO 3015 : T = 1 / 0
3011 T = 2
3015 S = (T=1) : GOSUB 1
3020 T$ = "RESUME"
: T = 0 : ONERR GOTO 3025 : T = 1 / T : GOTO 3029
3025 T = 1 : RESUME
3029 S = (T=1) : GOSUB 1
3040 T$ = "RETURN FROM LOOP"
: T = 1 : ONERR GOTO 3046
: GOSUB 3045
: GOTO 3048
3045 FOR I = 1 TO 10 : RETURN
3046 T = 2 : REM ONERR goes here
3048 S = (T=1) : GOSUB 1
3100 T$ = "NEXT WITHOUT FOR"
: T = 1 : ONERR GOTO 3101
: NEXT
: T = 2
3101 S = (T=1) AND (PEEK(222)=0) : GOSUB 1
3110 T$ = "SYNTAX ERROR" : REM Compile time only, can't test!
3120 T$ = "RETURN WITHOUT GOSUB"
: T = 1 : ONERR GOTO 3121
: RETURN
: T = 2
3121 S = (T=1) AND (PEEK(222)=22) : GOSUB 1
3130 T$ = "OUT OF DATA"
: T = 1 : ONERR GOTO 3131
: FOR A = 1 TO 1000 : READ A$ : NEXT
: T = 2
3131 S = (T=1) AND (PEEK(222)=42) : GOSUB 1
3140 T$ = "ILLEGAL QUANTITY"
: T = 1 : ONERR GOTO 3141
: A% = 32768
: T = 2
3141 S = (T=1) AND (PEEK(222)=53) : GOSUB 1
3145 T$ = "ILLEGAL QUANTITY"
: T = 1 : ONERR GOTO 3146
: A = ASC("")
: T = 2
3146 S = (T=1) AND (PEEK(222)=53) : GOSUB 1
3150 T$ = "OVERFLOW" :
: T = 1 : ONERR GOTO 3151
: A = 256^256^256
: T = 2
3151 S = (T=1) AND (PEEK(222)=69) : GOSUB 1
3160 T$ = "OUT OF MEMORY" : REM Not consistent enough across browsers
: REM T = 1 : ONERR GOTO 3161
: REM A$ = "x"
: REM FOR I = 0 TO 1 STEP 0 : A$ = A$ + A$ : NEXT
: REM T = 2
3161 REM S = (T=1) AND (PEEK(222)=77) : GOSUB 1
3170 T$ = "UNDEFINED STATEMENT" :
: T = 1 : ONERR GOTO 3171
: GOTO 3172
: T = 2
3171 S = (T=1) AND (PEEK(222)=90) : GOSUB 1
3180 T$ = "BAD SUBSCRIPT" :
: T = 1 : ONERR GOTO 3181
: DIM BS(3) : BS(4) = 123
: T = 2
3181 S = (T=1) AND (PEEK(222)=107) : GOSUB 1
3190 T$ = "REDIMENSION ARRAY" :
: T = 1 : ONERR GOTO 3191
: DIM RA(3) : DIM RA(3)
: T = 2
3191 S = (T=1) AND (PEEK(222)=120) : GOSUB 1
3200 T$ = "DIVISION BY ZERO" :
: T = 1 : ONERR GOTO 3201
: A = 1 / 0
: T = 2
3201 S = (T=1) AND (PEEK(222)=133) : GOSUB 1
3210 T$ = "TYPE MISMATCH" :
: T = 1 : ONERR GOTO 3211
: RESTORE : FOR I = 1 TO 1000 : READ A : NEXT
: T = 2
3211 S = (T=1) AND (PEEK(222)=163) : GOSUB 1
3215 T$ = "TYPE MISMATCH" :
: T = 1 : ONERR GOTO 3216
: RESTORE : FOR I = 1 TO 1000 : READ A% : NEXT
: T = 2
3216 S = (T=1) AND (PEEK(222)=163) : GOSUB 1
3220 T$ = "STRING TOO LONG" : REM Strings are "infinite", can't test
3230 T$ = "FORMULA TOO COMPLEX"
: REM T = 1 : ONERR GOTO 3231
: REM DEF FN FC(x) = FN FC(x) + 1 : X = FN FC(0)
: REM T = 2
3231 REM S = (T=1) AND (PEEK(222)=191): GOSUB 1
3240 T$ = "UNDEFINED FUNCTION" :
: T = 1 : ONERR GOTO 3241
: X = FN UF(0)
: T = 2
3241 S = (T=1) AND (PEEK(222)=224) : GOSUB 1
3250 T$ = "RE-ENTER" : REM Can't test until input can be synthesized
3260 T$ = "BREAK" :
: T = 1 : ONERR GOTO 3261
: STOP
: T = 2
3261 S = (T=1) AND (PEEK(222)=255) : GOSUB 1
3999 POKE 216,0 : REM Disable ONERR handler
4000 PRINT : PRINT "Input/Output ";
: PRINT "UNIT TESTS NOT FULLY IMPLEMENTED ";
4010 REM **********************************************
4010 REM Do I/O as a follow-on module and introduce
4010 REM a non-standard screen-scraping function
4010 REM **********************************************
4010 REM **********************************************
4010 REM Test TRACE/NOTRACE as part of I/O functions
4010 REM **********************************************
4100 T$ = "HTAB" :
: SX = PEEK(36) : SY = PEEK(37)
: HTAB 10 : T = PEEK(36)
: POKE 36, SX : POKE 37, SY
: S = (T = 10 - 1) : GOSUB 1
4110 T$ = "VTAB" :
: SX = PEEK(36) : SY = PEEK(37)
: VTAB 10 : T = PEEK(37)
: POKE 36, SX : POKE 37, SY
: S = (T = 10 - 1) : GOSUB 1
4120 T$ = "Comma Operator" :
: SX = PEEK(36) : SY = PEEK(37)
: VTAB 23 : HTAB 1 : PRINT 1, : T = PEEK(36)
: VTAB 23 : HTAB 1 : PRINT SPC(40);
: POKE 36, SX : POKE 37, SY
: S = (T = 16) : GOSUB 1
4130 T$ = "Semicolon Operator" :
: SX = PEEK(36) : SY = PEEK(37)
: VTAB 23 : HTAB 1 : PRINT "abc"; : T = PEEK(36)
: VTAB 23 : HTAB 1 : PRINT SPC(40);
: POKE 36, SX : POKE 37, SY
: S = (T = 3) : GOSUB 1
4140 T$ = "SPC Operator" :
: SX = PEEK(36) : SY = PEEK(37)
: VTAB 23 : HTAB 1 : PRINT "abc";SPC(10); : T = PEEK(36)
: VTAB 23 : HTAB 1 : PRINT SPC(40);
: POKE 36, SX : POKE 37, SY
: S = (T = 13) : GOSUB 1
4150 T$ = "TAB Operator" :
: SX = PEEK(36) : SY = PEEK(37)
: VTAB 23 : HTAB 1 : PRINT "abc";TAB(10); : T = PEEK(36)
: VTAB 23 : HTAB 1 : PRINT SPC(40);
: POKE 36, SX : POKE 37, SY
: S = (T = 9) : GOSUB 1
5000 PRINT : PRINT "Miscellaneous ";
5010 T$ = "REM" : T = 1 : REM T = 2 : T = 3
5011 S = (T=1) : GOSUB 1
6000 PRINT : PRINT "Inline Data ";
6010 DATA 1,2,3
6011 DATA "A","B","C"
6010 T$ = "READ"
: RESTORE
: READ T : S = (T=1) : GOSUB 1
: READ T,U : S = (T=2 AND U=3) : GOSUB 1
: READ A$ : S = (A$="A") : GOSUB 1
: READ A$,B$ : S = (A$="B" AND B$="C") : GOSUB 1
6020 T$ = "RESTORE" : RESTORE
: READ T : S = (T=1) : GOSUB 1
: READ T,U : S = (T=2 AND U=3) : GOSUB 1
: READ A$ : S = (A$="A") : GOSUB 1
: READ A$,B$ : S = (A$="B" AND B$="C") : GOSUB 1
7000 PRINT : PRINT "Lo-Res Graphics ";
7001 IF NOT LR THEN PRINT "<skipping GR tests>" : GOTO 8000
7010 REM ************************************************************
7010 REM Test GR as part of I/O (sets cursor to window bottom)
7010 REM ************************************************************
7010 POKE 49232,0 : POKE 49234,0 : POKE 49238,0
7020 T$ = "COLOR="
: T = 0 : U = 0 : FOR I = 0 TO 15 : COLOR= I : PLOT 0,0 : T = T + I : U = U + SCRN(0,0) : NEXT
: S = (T=U) : GOSUB 1
7030 T$ = "PLOT"
: COLOR= 5 : PLOT 0,0 : PLOT 39,0 : PLOT 0,47 : PLOT 39,47
: COLOR= 6 : PLOT 0,0 : PLOT 39,0 : PLOT 0,47 : PLOT 39,47
: S = (SCRN(0,0)=6 AND SCRN(39,0)=6 AND SCRN(0,47)=6 AND SCRN(39,47)=6) : GOSUB 1
7040 T$ = "HLIN"
: COLOR= 0 : FOR Y = 0 TO 5: FOR X = 0 TO 10 : PLOT X,Y : NEXT : NEXT
: FOR I = 1 TO 5 : COLOR= I : HLIN I,10-I AT I : NEXT
: T = 0 : FOR Y = 0 TO 5: FOR X = 0 TO 10 : T = T + SCRN(X,Y) : NEXT : NEXT
: S = (T=55) : GOSUB 1
7050 T$ = "VLIN"
: COLOR= 0 : FOR Y = 0 TO 10: FOR X = 0 TO 5 : PLOT X,Y : NEXT : NEXT
: FOR I = 1 TO 5 : COLOR= I : VLIN I,10-I AT I : NEXT
: T = 0 : FOR Y = 0 TO 10: FOR X = 0 TO 5 : T = T + SCRN(X,Y) : NEXT : NEXT
: S = (T=55) : GOSUB 1
: COLOR= 6 : PLOT 0,0 : PLOT 39,0 : PLOT 0,47 : PLOT 39,47
: S = (SCRN(0,0)=6 AND SCRN(39,0)=6 AND SCRN(0,47)=6 AND SCRN(39,47)=6) : GOSUB 1
7900 REM Something memorable
7910 FOR I = 0 TO 15
: COLOR= I
: HLIN I, 39-I AT I
: HLIN I, 39-I AT 39 - I
: VLIN I, 39-I AT I
: VLIN I, 39-I AT 39 - I
: NEXT
7999 TEXT
8000 PRINT : PRINT "Hi-Res Graphics ";
8001 IF NOT HR THEN PRINT "<skipping HGR test>" : GOTO 9000
8020 T$ = "HCOLOR="
: HGR
: T = 0 : U = 0 : FOR I = 0 TO 7 : HCOLOR= I : HPLOT 0,0 : T = T + I : U = U + HSCRN(0,0) : NEXT
: S = (T=U) : GOSUB 1
8030 T$ = "HPLOT"
: HGR
: HCOLOR= 5 : HPLOT 0,0 : HPLOT 39,0 : HPLOT 0,47 : HPLOT 39,47
: HCOLOR= 6 : HPLOT 0,0 : HPLOT 39,0 : HPLOT 0,47 : HPLOT 39,47
: S = (HSCRN(0,0)=6 AND HSCRN(39,0)=6 AND HSCRN(0,47)=6 AND HSCRN(39,47)=6) : GOSUB 1
8040 T$ = "HPLOT x1,y1 TO x2,y2"
: HGR
: FOR Y = 0 TO 7: HCOLOR= Y : HPLOT 0,Y TO 7,Y: NEXT
: T = 0 : U = 0 : FOR I = 0 TO 7 : T = T + HSCRN(I,I) : U = U + I : NEXT
: S = (T=U) : GOSUB 1
8050 T$ = "HPLOT TO x2,y2"
: HGR
: FOR X = 0 TO 7: HCOLOR= X : HPLOT X*2,0 : HPLOT TO X*2,7 : NEXT
: T = 0 : U = 0 : FOR I = 0 TO 7 : T = T + HSCRN(I*2,I) : U = U + I : NEXT
: S = (T=U) : GOSUB 1
8100 REM Visual Check
8110 HGR
8120 T$ = "HCOLOR="
: T = 0 : U = 0 : FOR I = 0 TO 7 : HCOLOR= I : HPLOT 0,0 : T = T + I : NEXT
8130 T$ = "HPLOT x,y"
: HCOLOR= 3 : HPLOT 0,0 : HPLOT 279,0 : HPLOT 0,191 : HPLOT 279,191
8140 T$ = "HPLOT TO x,y"
: HCOLOR= 2 : HPLOT 10,10 : HPLOT TO 269,10 : HPLOT TO 269,181 : HPLOT TO 10,181 : HPLOT TO 10,10
8150 T$ = "HPLOT x,y TO x,y"
: HCOLOR= 1 : HPLOT 20,20 TO 259,20 : HPLOT 259,20 TO 259,171 : HPLOT 259,171 TO 20,171 : HPLOT 20,171 TO 20,20
8160 T$ = "HPLOT x,y TO x,y TO x,y"
: HCOLOR= 5 : HPLOT 30,30 TO 249,30 TO 249,161 TO 30,161 TO 30,30
8200 HGR : REM Something visually memorable
8210 W = 279 : H = 159
8220 FOR I = 0 TO 1 STEP 0.05
8230 HCOLOR= 1 : HPLOT 0,H * I TO W* (1-I),0
8231 HCOLOR= 2 : HPLOT 0,H * (1-I) TO W* (1-I),H
8232 HCOLOR= 5 : HPLOT W,H * I TO W * I,0
8233 HCOLOR= 6 : HPLOT W,H * (1-I) TO W * I,H
8234 NEXT
8999 TEXT
9000 PRINT : PRINT "POKE Compatibility Shims ";
: PRINT "UNIT TESTS NOT YET IMPLEMENTED ";
9001 POKE 49168,0 : POKE -16368,0 : REM Clear kbd strobe
9002 POKE 49200,0 : POKE -16336,0 : REM Toggle speaker
9003 POKE 49232,0 : POKE -16304,0 : REM Graphics mode
9004 POKE 49234,0 : POKE -16302,0 : REM Full graphics mode
9005 POKE 49235,0 : POKE -16301,0 : REM Split screen mode
9006 POKE 49238,0 : POKE -16298,0 : REM Lores mode
9007 POKE 49239,0 : POKE -16297,0 : REM Hires mode
9008 POKE 49233,0 : POKE -16303,0 : REM Text mode
9009 SPEED= 0 : SPEED= 255 : REM SPEED= (no-op)
10000 PRINT : PRINT "Numeric Functions ";
10001 DEF FN E(X) = ABS(X) < 0.001 : REM Within-Epsilon
10010 T$ = "ABS()"
: S = (ABS(1) = 1) : GOSUB 1
: S = (ABS(-1) = 1) : GOSUB 1
: S = (ABS(0) = 0) : GOSUB 1
10020 T$ = "ATN()"
: S = FN E(ATN(0) - 0.000) : GOSUB 1
: S = FN E(ATN(1) - 0.785) : GOSUB 1
: S = FN E(ATN(2) - 1.107) : GOSUB 1
10030 T$ = "COS()"
: S = FN E(COS(0) - 1.000) : GOSUB 1
: S = FN E(COS(1) - 0.540) : GOSUB 1
: S = FN E(COS(2) - -0.416) : GOSUB 1
10040 T$ = "EXP()"
: S = FN E(EXP(0) - 1.000) : GOSUB 1
: S = FN E(EXP(1) - 2.718) : GOSUB 1
: S = FN E(EXP(2) - 7.389) : GOSUB 1
10050 T$ = "INT()"
: S = (INT(1) = 1) : GOSUB 1
: S = (INT(1.5) = 1) : GOSUB 1
: S = (INT(-1.5) = -2) : GOSUB 1
10060 T$ = "LOG()"
: S = FN E(LOG(1) - 0.000) : GOSUB 1
: S = FN E(LOG(2) - 0.693) : GOSUB 1
: S = FN E(LOG(3) - 1.098) : GOSUB 1
10070 T$ = "RND()"
: T = RND(1) : S = (FN E(T - RND(0))) : GOSUB 1
: T = RND(-1) : T = RND(1) : U = RND(-1) : U = RND(1) : S = (FN E(T - U)) : GOSUB 1
10080 T$ = "SGN()"
: S = (SGN(-123)=-1): GOSUB 1
: S = (SGN( 0)= 0): GOSUB 1
: S = (SGN( 123)= 1): GOSUB 1
10090 T$ = "SIN()"
: S = FN E(SIN(0) - 0.000) : GOSUB 1
: S = FN E(SIN(1) - 0.841) : GOSUB 1
: S = FN E(SIN(2) - 0.909) : GOSUB 1
10100 T$ = "SQR()"
: S = FN E(SQR(0) - 0.000) : GOSUB 1
: S = FN E(SQR(1) - 1.000) : GOSUB 1
: S = FN E(SQR(2) - 1.414) : GOSUB 1
10110 T$ = "TAN()"
: S = FN E(TAN(0) - 0.000) : GOSUB 1
: S = FN E(TAN(1) - 1.557) : GOSUB 1
: S = FN E(TAN(2) --2.185) : GOSUB 1
11000 PRINT : PRINT "String Functions ";
11010 T$ = "LEN()"
: S = (LEN("ABC") = 3) : GOSUB 1
: S = (LEN("") = 0) : GOSUB 1
11020 T$ = "LEFT$()"
: S = (LEFT$("ABC",0) = "") : GOSUB 1
: S = (LEFT$("ABC",2) = "AB") : GOSUB 1
: S = (LEFT$("ABC",4) = "ABC") : GOSUB 1
11030 T$ = "MID$()"
: S = (MID$("ABCD",2,2) = "BC") : GOSUB 1
: S = (MID$("ABCD",3) = "CD") : GOSUB 1
: S = (MID$("ABCD",4,3) = "D") : GOSUB 1
11040 T$ = "RIGHT$()"
: S = (RIGHT$("ABC",0) = "") : GOSUB 1
: S = (RIGHT$("ABC",2) = "BC") : GOSUB 1
: S = (RIGHT$("ABC",4) = "ABC") : GOSUB 1
12000 PRINT : PRINT "Type Conversion Functions ";
12010 T$ = "ASC()"
: S = (ASC(" ") = 32) : GOSUB 1
: S = (ASC("A") = 65) : GOSUB 1
: S = (ASC("z") = 122) : GOSUB 1
: S = (ASC(CHR$(4)) = 4) : GOSUB 1
12020 T$ = "CHR$()"
: S = (CHR$(32) = " ") : GOSUB 1
: S = (CHR$(65) = "A") : GOSUB 1
: S = (CHR$(122) = "z") : GOSUB 1
12030 T$ = "STR$()"
: S = (STR$(-1) = "-1") : GOSUB 1
: S = (STR$(1.5) = "1.5") : GOSUB 1
: S = (STR$(3.1415) = "3.1415") : GOSUB 1
: S = (VAL(STR$(3.1415)) = 3.1415) : GOSUB 1
12040 T$ = "VAL()"
: S = (VAL("-1") = -1) : GOSUB 1
: S = (VAL("1.5") = 1.5) : GOSUB 1
: S = (VAL("3.1415") = 3.1415) : GOSUB 1
13000 PRINT : PRINT "System Interaction Functions ";
13010 T$ = "FRE()"
: S = (FRE(0) OR 1) : GOSUB 1
13020 IF NOT PD THEN PRINT "<skipping PDL()>"; : GOTO 13030
13021 T$ = "PDL()"
: T = PDL(0) : S = (0 <= T) AND (T < 256) : GOSUB 1
13030 T$ = "POS()"
: T = POS(0) : HTAB 1 : S = (POS(0) = 0) : HTAB T + 1 : GOSUB 1
13040 IF NOT LR THEN PRINT "<skipping SCRN()>"; : GOTO 13050
13041 T$ = "SCRN()"
: T = 0 : FOR I = 0 TO 15 : COLOR= I : PLOT I,I : T = T + I : NEXT
: U = 0 : FOR I = 0 TO 15 : U = U + SCRN(I,I) : NEXT
: S = (T=U) : GOSUB 1
13050 IF NOT HR THEN PRINT "<skipping HSCRN()>"; : GOTO 13060
13051 T$ = "HSCRN()"
: T = 0 : FOR I = 0 TO 7 : HCOLOR= I : HPLOT I,I : T = T + I : NEXT
: U = 0 : FOR I = 0 TO 7 : U = U + HSCRN(I,I) : NEXT
: S = (T=U) : GOSUB 1
13060 REM (goto target)
14000 PRINT : PRINT "User Defined Functions ";
14010 T$ = "FN A()"
: DEF FN A(X) = X + X : S = (FN A(3) = 6) : GOSUB 1
: DEF FN A(X) = X * X : S = (FN A(3) = 9) : GOSUB 1
14020 T$ = "FN A$() [language extension]"
: DEF FN A$(X$) = X$ + X$ : S = (FN A$("ABC") = "ABCABC") : GOSUB 1
15000 PRINT : PRINT "PEEK Compatibility Shims ";
: PRINT "UNIT TESTS NOT YET IMPLEMENTED ";
15001 X = PEEK(49152) : X = PEEK(-16384) : REM Read keyboard
15002 X = PEEK(49168) : X = PEEK(-16368) : REM Clear keyboard strobe
15003 X = PEEK(49200) : X = PEEK(-16336) : REM Toggle speaker (no-op)
15004 X = PEEK(49248) : X = PEEK(-16288) : REM Read paddle button 3
15005 X = PEEK(49249) : X = PEEK(-16287) : REM Read paddle button 0
15006 X = PEEK(49250) : X = PEEK(-16286) : REM Read paddle button 1
15007 X = PEEK(49251) : X = PEEK(-16285) : REM Read paddle button 2
15008 X = PEEK(78) + 256 * PEEK(79) : REM Entropy generator
15010 REM **********************************************
15010 REM Do as part of I/O follow-on module
15010 REM **********************************************
16000 PRINT : PRINT "Operators ";
16010 T$ = "="
: S = (1 = 1.0) : GOSUB 1
: S = ("ABC" = "ABC") : GOSUB 1
16020 T$ = "<"
: S = (1 < 2) : GOSUB 1
: S = ("A" < "B") : GOSUB 1
16030 T$ = ">"
: S = (2 > 1) : GOSUB 1
: S = ("B" > "A") : GOSUB 1
16040 T$ = "<="
: S = (1 <= 1) : GOSUB 1
: S = (1 <= 2) : GOSUB 1
: S = (1 < = 1) : GOSUB 1
: S = (1 < = 2) : GOSUB 1
: S = ("A" <= "A") : GOSUB 1
: S = ("A" <= "B") : GOSUB 1
: S = ("A" < = "A") : GOSUB 1
: S = ("A" < = "B") : GOSUB 1
16041 T$ = "=<"
: S = (1 =< 1) : GOSUB 1
: S = (1 =< 2) : GOSUB 1
: S = (1 = < 1) : GOSUB 1
: S = (1 = < 2) : GOSUB 1
: S = ("A" =< "A") : GOSUB 1
: S = ("A" =< "B") : GOSUB 1
: S = ("A" = < "A") : GOSUB 1
: S = ("A" = < "B") : GOSUB 1
16050 T$ = ">="
: S = (1 >= 1) : GOSUB 1
: S = (2 >= 1) : GOSUB 1
: S = (1 > = 1) : GOSUB 1
: S = (2 > = 1) : GOSUB 1
: S = ("B" >= "A") : GOSUB 1
: S = ("B" >= "B") : GOSUB 1
: S = ("B" > = "A") : GOSUB 1
: S = ("B" > = "B") : GOSUB 1
16051 T$ = "=>"
: S = (1 => 1) : GOSUB 1
: S = (2 => 1) : GOSUB 1
: S = (1 = > 1) : GOSUB 1
: S = (2 = > 1) : GOSUB 1
: S = ("B" => "A") : GOSUB 1
: S = ("B" => "B") : GOSUB 1
: S = ("B" = > "A") : GOSUB 1
: S = ("B" = > "B") : GOSUB 1
16060 T$ = "<>"
: S = (1 <> 2) : GOSUB 1
: S = (1 < > 2) : GOSUB 1
: S = ("A" <> "B") : GOSUB 1
: S = ("A" < > "B") : GOSUB 1
16061 T$ = "><"
: S = (1 >< 2) : GOSUB 1
: S = (1 > < 2) : GOSUB 1
: S = ("A" >< "B") : GOSUB 1
: S = ("A" > < "B") : GOSUB 1
16070 T$ = "AND" : S = (1 AND 1) : GOSUB 1
16080 T$ = "OR" : S = (0 OR 1) : GOSUB 1
16090 T$ = "NOT" : S = (NOT 0) : GOSUB 1
16100 T$ = "^"
: S = (0^0 = 1) : GOSUB 1
: S = (1^1 = 1) : GOSUB 1
: S = (2^2 = 4) : GOSUB 1
: S = (3^0 = 1) : GOSUB 1
: S = (FN E(1.5^-2 - 0.444)) : GOSUB 1
16110 T$ = "*"
: S = (1*0 = 0) : GOSUB 1
: S = (1*1 = 1) : GOSUB 1
: S = (-1*1 = -1) : GOSUB 1
: S = (-1*-1 = 1) : GOSUB 1
: S = (0.5*2 = 1) : GOSUB 1
16120 T$ = "/"
: S = (1/1 = 1) : GOSUB 1
: S = (-1/1 = -1) : GOSUB 1
: S = (-1/-1 = 1) : GOSUB 1
: S = (2/0.5 = 4) : GOSUB 1
16130 T$ = "+"
: S = (0+0 = 0) : GOSUB 1
: S = (0+1 = 1) : GOSUB 1
: S = (-1+1 = 0) : GOSUB 1
: S = (1.5+.5 = 2) : GOSUB 1
: S = ("A"+"B" = "AB") : GOSUB 1
: S = ("A"+"B"+"C" = "ABC") : GOSUB 1
: S = (""+"" = "") : GOSUB 1
16140 T$ = "-"
: S = (0-0 = 0) : GOSUB 1
: S = (1-0 = 1) : GOSUB 1
: S = (-1--1 = 0) : GOSUB 1
: S = (1.5-.5 = 1) : GOSUB 1
16150 T$ = "Precedence"
: S = (FN E((2 + 3 - 4 * 5 / 6 ^ 7) - 4.999)) : GOSUB 1
17000 PRINT : PRINT "DOS Commands ";
17010 PRINT CHR$(4)"OPEN TESTDATA"
: PRINT CHR$(4)"CLOSE TESTDATA"
: PRINT CHR$(4)"DELETE TESTDATA"
17020 T$ = "Sequential Access OPEN/WRITE/READ"
: PRINT CHR$(4)"OPEN TESTDATA"
: PRINT CHR$(4)"WRITE TESTDATA"
: FOR I = 1 TO 10 : PRINT I : NEXT
: PRINT CHR$(4)"CLOSE TESTDATA"
: PRINT CHR$(4)"OPEN TESTDATA"
: PRINT CHR$(4)"READ TESTDATA"
: T = 0 : FOR I = 1 TO 10 : INPUT J : T = T + J : NEXT
: PRINT CHR$(4)"CLOSE TESTDATA"
: S = (T = 55) : GOSUB 1
17030 T$ = "Sequential Access APPEND/WRITE/READ"
: PRINT CHR$(4)"APPEND TESTDATA"
: PRINT CHR$(4)"WRITE TESTDATA"
: FOR I = 1 TO 10 : PRINT -I : NEXT
: PRINT CHR$(4)"CLOSE TESTDATA"
: PRINT CHR$(4)"OPEN TESTDATA"
: PRINT CHR$(4)"READ TESTDATA"
: T = 0 : FOR I = 1 TO 20 : INPUT J : T = T + J : NEXT
: PRINT CHR$(4)"CLOSE TESTDATA"
: S = (T = 0) : GOSUB 1
17040 T$ = "Sequential Access/ONERR"
: PRINT CHR$(4)"OPEN JABBERWOCKY"
: PRINT CHR$(4)"READ JABBERWOCKY"
: ONERR GOTO 10742 : N = 0
: FOR N = 0 TO 10 : INPUT A$ : NEXT
10742 POKE 216,0 : PRINT CHR$(4)"CLOSE" : S = (N = 4) : GOSUB 1
17050 T$ = "RENAME"
: PRINT CHR$(4)"OPEN TESTDATA"
: PRINT CHR$(4)"WRITE TESTDATA"
: FOR I = 1 TO 10 : PRINT I : NEXT
: PRINT CHR$(4)"CLOSE TESTDATA"
: PRINT CHR$(4)"RENAME TESTDATA, DATA2"
: PRINT CHR$(4)"OPEN DATA2"
: PRINT CHR$(4)"READ DATA2"
: T = 0 : FOR I = 1 TO 10 : INPUT J : T = T + J : NEXT
: PRINT CHR$(4)"CLOSE DATA2"
: S = (T = 55) : GOSUB 1
17500 T$ = "Fixed Length OPEN/WRITE/READ"
: F$ = "FIXEDLENTEST"
: PRINT CHR$(4)"OPEN "F$",L16"
: FOR I = 1 TO 20 : PRINT CHR$(4)"WRITE "F$",R";I : PRINT I * I : NEXT
: PRINT CHR$(4)"CLOSE "F$
: PRINT CHR$(4)"OPEN "F$",L16"
: T = 0 : FOR I = 20 TO 1 STEP -2 : PRINT CHR$(4)"READ "F$",R";I : INPUT J : T = T + J : NEXT
: PRINT CHR$(4)"CLOSE "F$
: S = (T = 1540) : GOSUB 1
18000 PRINT : PRINT "Regression Tests ";
18010 T$ = "global rhs in OR"
: T = 0 : FOR I = 1 TO 4
18011 IF I = 1 OR I = 3 GOTO 18014
18012 IF I = 2 OR I = 4 GOTO 18014
18013 T = 1
18014 NEXT
: S = (T=0) : GOSUB 1
18020 T$ = "Operator Associativity"
: S = (10 / 2 * 5 = 25): GOSUB 1
: S = (2 ^ 3 ^ 4 = 4096): GOSUB 1
18030 T$ = "VAL() on bad input"
: S = (VAL("") = 0): GOSUB 1
: S = (VAL("abc") = 0): GOSUB 1
18040 T$ = "Array Dimensions"
: DIM A1(10) : X = A1(10)
: S = (1): GOSUB 1
18050 T$ = "Non-integer Array Indices"
: DIM A2(10) : A2(1) = 123
: S = (A2(1.5) = 123) : GOSUB 1
18060 T$ = "Array Lower Bounds"
: T = 1 : ONERR GOTO 18061
: X = A2(-1) :
: T = 2
18061 S = (T=1) AND (PEEK(222)=53) : GOSUB 1 : POKE 216,0
18070 T$ = "Array Upper Bounds"
: T = 1 : ONERR GOTO 18071
: X = A2(11) :
: T = 2
18071 S = (T=1) AND (PEEK(222)=107) : GOSUB 1 : POKE 216,0
20000 PRINT : PRINT : PRINT "Executed tests: "; TE
20010 PRINT "Successful tests: "; TS
20019 IF F THEN INVERSE
20020 PRINT "Failed tests: "; F; : NORMAL

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0 REM 5090 Added VTAB 2 to correct display
0 REM Added 5005 to correct display
0 REM 7020 Added PRINT to break lines
0 REM 4892 IF expression will never be true (condition checked earlier)
100 TEXT : HOME : PRINT "Zhodani Relay Station Placement."
110 PRINT " This program examines an existing sector file and determines the need for, and locations of, Zhodani relay stations (which must be placed between Zhodani naval bases more than four hexes distant)."
120 PRINT " This program originally appeared in Challenge Magazine No. 26." : PRINT
500 DIM PO(32,40),PP(32,40),OD(13,13)
510 DIM F2(169),F3(169),F4(169),F5(169)
520 DIM F1(169)
531 NA$(1) = "WORLD "
532 NA$(2) = "ZHO WORLD "
533 NA$(3) = "NAVAL BASE"
534 NA$(4) = "DEPOT "
535 NA$(5) = "RELAY "
2000 INPUT "Filename? > ";FI$
2010 PRINT CHR$(4);"OPEN ";FI$;",L50"
2020 PRINT CHR$(4);"READ ";FI$;",R0"
2030 INPUT R
2031 DIM HX$(R)
2040 FOR A = 1 TO R
2050 PRINT CHR$(4);"READ ";FI$;",R";A
2060 INPUT A$
3000 X = VAL(LEFT$(A$,2)):Y = VAL(MID$(A$,3,2))
3001 HX$(A) = LEFT$(A$,4)
3005 Z = 1
3010 IF MID$(A$,33,1) = "Z" THEN Z = 2
3020 IF MID$(A$,16,1) = "Z" THEN Z = 3
3040 IF MID$(A$,16,1) = "Y" THEN Z = 4
3050 IF MID$(A$,16,1) = "X" THEN Z = 5
3060 PO(X,Y) = Z : PP(X,Y) = A
3070 NEXT A
4000 HOME : FOR X = 1 TO 32
4005 FOR Y = 1 TO 40 : VTAB 1
4010 IF PO(X,Y) < 1 THEN 6000
4012 PRINT "World Hex ";RIGHT$("0"+STR$(X),2);RIGHT$("0"+STR$(Y),2);" ";NA$(PO(X,Y))
4020 REM
4025 F1 = 0 : F2 = 0 : F3 = 0 : F4 = 0 : F5 = 0
4027 PRINT "Worlds within jump-4: ";
4028 PRINT : PRINT
4029 FOR N = Y-5 TO Y+5 : FOR M = X-5 to X+5
4040 IF M < 1 OR M > 32 THEN 4900
4055 IF N < 1 OR N > 40 THEN 4894
4056 IF X = M AND N = Y THEN FLASH : PRINT PO(X,Y); : NORMAL : GOTO 4894
4057 IF X = M AND N <> Y THEN Z1 = ABS(Y-N) : GOTO 4080
4060 IF Y = N AND X <> M THEN Z1 = ABS(X-M) : GOTO 4080
4063 EV = 0 : OD = 0 : IF (X/2 = INT(X/2)) AND (M/2 = INT (M/2)) THEN EV=1
4064 IF (X/2 <> INT(X/2)) AND (M/2 <> INT(M/2)) THEN EV = 1
4065 IF EV <> 1 THEN OD = 1
4070 X1 = X - M : Y1 = Y - N : Z1 = SQR((X1*X1)+((.857)*Y1*Y1))
4071 IF OD = 1 THEN Z1 = Z1 + .5
4080 IF Z1 > 4 THEN 4890
4089 IF PO(M,N) = 1 THEN F1 = F1 + 1 : F1(F1) = PP(M,N)
4090 IF PO(M,N) = 2 THEN F2 = F2 + 1 : F2(F2) = PP(M,N)
4100 IF PO(M,N) = 3 THEN F3 = F3 + 1 : F3(F3) = PP(M,N)
4110 IF PO(M,N) = 4 THEN F4 = F4 + 1 : F4(F4) = PP(M,N)
4120 IF PO(M,N) = 5 THEN F5 = F5 + 1 : F5(F5) = PP(M,N)
4180 REM
4890 IF PO(M,N) = 0 THEN PRINT "."; : GOTO 4894
4891 PRINT PO(M,N);
4892 IF X = M AND N = Y THEN PRINT "*";
4894 REM
4900 NEXT M : PRINT
4902 NEXT N : PRINT
5000 REM
5005 VTAB 16 : PRINT : PRINT : PRINT : PRINT : PRINT : PRINT : VTAB 16
5010 REM
5011 IF F1 > 0 THEN PRINT NA$(1);": ";F1;"; "; : FOR J = 1 TO F1 : PRINT HX$(F1(J));" "; : NEXT : PRINT
5012 IF F2 > 0 THEN PRINT NA$(2);": ";F2;"; "; : FOR J = 1 TO F2 : PRINT HX$(F2(J));" "; : NEXT : PRINT
5013 IF F3 > 0 THEN PRINT NA$(3);": ";F3;"; "; : FOR J = 1 TO F3 : PRINT HX$(F3(J));" "; : NEXT : PRINT
5014 IF F4 > 0 THEN PRINT NA$(4);": ";F4;"; "; : FOR J = 1 TO F4 : PRINT HX$(F4(J));" "; : NEXT : PRINT
5015 IF F5 > 0 THEN PRINT NA$(5);": ";F5;"; "; : FOR J = 1 TO F5 : PRINT HX$(F5(J));" "; : NEXT : PRINT
5016 IF F2 = 0 THEN 6010
5017 IF (F3+F4+F5)<>0 THEN 6010
5018 PRINT "Relay station needed."
5019 R1 = F2(INT(RND(90)*F2+1))
5020 PRINT CHR$(4);"OPEN ";FI$;",L50"
5030 PRINT CHR$(4);"READ ";FI$;",R";R1
5040 INPUT A$
5050 A$ = LEFT$(A$,15) + "X" + MID$(A$+" ",17,31)
5060 PRINT CHR$(4);"WRITE ";FI$;",R";R1
5070 PRINT A$
5080 PRINT CHR$(4);"CLOSE ";FI$
5090 PO(VAL(LEFT$(A$,2)),VAL(MID$(A$,3,2))) = 5 : VTAB 2 : GOTO 4020
6000 REM
6010 NEXT Y
6020 NEXT X
7000 FOR Y = 1 TO 40 : FOR X = 1 TO 32
7010 IF PO(X,Y) = 0 THEN PRINT "."; : GOTO 7020
7015 PRINT PO(X,Y);
7020 NEXT X : PRINT : NEXT Y
7030 END

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0 REM
1 REM Newsgroups: comp.sys.apple2
2 REM From: mad.scientist.jr@gmail.com
3 REM Message-ID: <1193160910.224728.270640@z24g2000prh.googlegroups.com>
4 REM Subject: Re: woz' original "brick out" - source code , paddles
5 REM Date: Tue, 23 Oct 2007 17:35:10 -0000
6 REM
10 REM APPLE II SIMPLE PONG V4
20 REM PASTE INTO Joshua Bell s EMULATOR AT www.calormen.com/Applesoft/
25 REM ++++++++++++++++++++++++++++++++++++++++
30 REM TITLE SCREEN + PROMPT FOR CONTROLS
35 REM ++++++++++++++++++++++++++++++++++++++++
40 TEXT : REM ENTER TEXT MODE
45 HOME : REM CLEAR TEXT SCREEN
49 PRINT "APPLE II SIMPLE PONG V4"
50 PRINT
51 PRINT "version 1 by aiiadict"
52 PRINT "tweaks by Mad Scientist Jr"
54 PRINT
55 PRINT "During game press Q to quit."
56 PRINT
58 INPUT "TYPE K FOR KEYS (A/Z, K/M) OR P FOR PADDLES OR Q TO QUIT? ";C$
60 IF C$ <> "K" AND C$ <> "P" AND C$ <> "Q" THEN GOTO 58
62 IF C$ = "Q" THEN GOTO 9000
65 REM
70 REM ++++++++++++++++++++++++++++++++++++++++
75 REM DRAW FIELD AND INITIALIZE GAME
80 REM ++++++++++++++++++++++++++++++++++++++++
85 GR: REM ENTER GRAPHIC MODE
90 COLOR= 7: VLIN 0,39 AT 0: VLIN 0,39 AT 39
95 HLIN 0,39 AT 0: HLIN 0,39 AT 39
100 bx = 10:by = 10:ox = 10:oy = 10: REM BALL START POSITION
102 dx = 1: dy = - 1: REM BALL DIRECTION
104 p1 = 10: o1 = 10: REM PLAYER 1 START POSITION
106 p2 = 10: o2 = 10: REM PLAYER 2 START POSITION
120 PL = 8: REM PADDLE LENGTH
130 REM
145 REM ++++++++++++++++++++++++++++++++++++++++
150 REM BEGIN MAIN GAME LOOP
155 REM ++++++++++++++++++++++++++++++++++++++++
196 REM ++++++++++++++++++++++++++++++++++++++++
197 REM DRAW PADDLE1
198 REM ++++++++++++++++++++++++++++++++++++++++
200 IF o1 <> p1 THEN COLOR= 0: VLIN o1,o1 + PL AT 3
210 COLOR= 7: VLIN p1,p1 + PL AT 3
296 REM ++++++++++++++++++++++++++++++++++++++++
297 REM DRAW PADDLE2
298 REM ++++++++++++++++++++++++++++++++++++++++
300 IF o2 <> p2 THEN COLOR= 0: VLIN o2,o2 + PL AT 36
310 COLOR= 7: VLIN p2,p2 + PL AT 36
399 REM ++++++++++++++++++++++++++++++++++++++++
400 REM DRAW AND MOVE BALL
401 REM ++++++++++++++++++++++++++++++++++++++++
402 IF ox <> bx OR oy <> by THEN COLOR= 0: PLOT ox,oy: PLOT ox,oy + 1
410 COLOR= 5: PLOT bx,by: PLOT bx,by + 1
416 ox = bx:oy = by
830 bx = bx + dx
835 IF SCRN( bx,by) > 0 THEN dx = - dx
840 by = by + dy
845 IF SCRN( bx,by) > 0 THEN dy = - dy
850 IF bx < 1 THEN bx = 1
860 IF bx > 38 THEN bx = 38
870 IF by < 1 THEN by = 1
880 IF by > 38 THEN by = 38
881 REM
882 REM ----------------------------------------
883 REM SAVE OLD SCREEN POSITION
884 REM ----------------------------------------
885 o1 = p1
886 o2 = p2
889 REM
900 REM ++++++++++++++++++++++++++++++++++++++++
901 REM GET PLAYER INPUT
902 REM ++++++++++++++++++++++++++++++++++++++++
903 IF PEEK ( - 16384) > 127 THEN GET K$: REM SEE IF KEY(S) PRESSED. NEEDS FIX FOR MULTI KEY SIMULTANEOUS INPUT
904 IF C$ <> "K" THEN GOTO 921
905 REM
906 REM ----------------------------------------
907 REM KEYBOARD INPUT
908 REM NOTE: NEEDS FIX TO DETECT MULTI KEYPRESSES
909 REM ----------------------------------------
912 IF K$ = "A" THEN p1 = p1 - 1
914 IF K$ = "Z" THEN p1 = p1 + 1
916 IF K$ = "K" THEN p2 = p2 - 1
918 IF K$ = "M" THEN p2 = p2 + 1
920 GOTO 955
921 IF C$ <> "P" THEN GOTO 947
922 REM
923 REM ----------------------------------------
925 REM PADDLE INPUT
927 REM ----------------------------------------
930 REM simple (non-absolute) paddle input:
931 REM if pdl(0) > 200 then p1 = p1 + 1
932 REM if pdl(0) < 55 then p1 = p1 - 1
933 REM if pdl(1) > 200 then p2 = p2 + 1
934 REM if pdl(1) < 55 then p2 = p2 - 1
943 REM realtime (absolute position) paddle input:
944 GOSUB 3000: REM PLAYER 1
945 GOSUB 4000: REM PLAYER 2
947 REM
948 REM ----------------------------------------
949 REM SEE IF PLAYER PRESSED Q TO QUIT
950 REM ----------------------------------------
951 IF K$ = "Q" THEN GOTO 9000
954 REM
955 REM ++++++++++++++++++++++++++++++++++++++++
956 REM MAKE SURE PADDLES DONT GO OFF SCREEN
958 REM ++++++++++++++++++++++++++++++++++++++++
960 IF p1 < 2 THEN p1 = 2
970 IF p1 > 28 THEN p1 = 28
980 IF p2 < 2 THEN p2 = 2
990 IF p2 > 28 THEN p2 = 28
1000 REM
1010 REM ++++++++++++++++++++++++++++++++++++++++
1020 REM CONTINUE GAME LOOP
1030 REM ++++++++++++++++++++++++++++++++++++++++
1040 GOTO 150
3000 REM
3010 REM ++++++++++++++++++++++++++++++++++++++++
3020 REM GET SCREEN POSITION FROM PADDLE 1 INPUT
3030 REM ++++++++++++++++++++++++++++++++++++++++
3040 p1 = 26 * pdl(0)
3050 p1 = p1 / 255
3060 p1 = p1 + 2
3070 RETURN
4000 REM
4010 REM ++++++++++++++++++++++++++++++++++++++++
4020 REM GET SCREEN POSITION FROM PADDLE 2 INPUT
4030 REM ++++++++++++++++++++++++++++++++++++++++
4040 p2 = 26 * pdl(1)
4050 p2 = p2 / 255
4060 p2 = p2 + 2
4070 RETURN
9000 REM
9010 REM ++++++++++++++++++++++++++++++++++++++++
9020 REM QUIT GAME
9030 REM ++++++++++++++++++++++++++++++++++++++++
9040 TEXT : REM HOME
9045 PRINT
9050 PRINT "FINISHED APPLE II SIMPLE PONG V4."
9060 END

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body { background-color: #EEEACD; }
h1, h2, h3, p { margin-bottom: 6pt; margin-top: 6pt; }
td { vertical-align: top; }
/* Apple II Screen */
.frame {width: 560px; height: 384px; border-style: ridge; border-width: 10px; border-color: gray; padding: 10px; background-color: #202020; }
.wrapper { width: 560px; height: 384px; overflow: hidden; padding: 0; margin: 0; position: relative; }
.lores {position: absolute; z-index: 2; left: 0; top: 0; width: 560px; height: 384px; overflow: hidden; visibility: hidden; }
.hires {position: absolute; z-index: 2; left: 0; top: 0; width: 560px; height: 384px; overflow: hidden; visibility: hidden; background-color: #000000; }
.tty {position: absolute; z-index: 3; left: 0; top: 0; width: 560px; height: 384px; overflow: hidden; }
/* Character cells */
.normal { background-color: #000000; color: #80ff80; }
.inverse { background-color: #80ff80; color: #000000; }
.row { background-color: #000000; } /* Background leaks through on safari even with margin/padding/border of 0 */
.a2c { height: 16px; line-height: 0; border: 0; padding: 0; margin: 0; background-repeat:no-repeat; }
.a2c-cursor { position: relative; display: inline-block; }
.tty_tr { height: 16px; }
.tty_table { table-layout: fixed; border-collapse: collapse; }
/*
function pos(code, sw) {
var x = Math.floor(code / 16);
var y = code % 16;
x = -( sw > 40 ? 1 : 2 )* (3 + 13 * x);
y = -2 * (4 + 13 * y);
return String(x) + 'px ' + String(y) + 'px';
}
function gen(cc, sc, sw, styles) {
console.log('.tty_'+sw+'col'+styles+' .a2c'+cc+' { background-position: '+ pos(sc,sw)+' }');
}
for( sw = 40; sw <= 80; sw += 40) {
// 0x00-0x1F = INVERSE @ABC…XYZ[\]^_
// 0x20-0x3F = INVERSE !"#$…<=>?
for (i = 0x00; i < 0x20; i++) { gen(i+0x00, i+0xC0, sw, ''); }
for (i = 0x00; i < 0x20; i++) { gen(i+0x20, i+0xA0, sw, ''); }
// 80-column firmware inactive
// 0x40-0x5F = FLASH @ABC…XYZ[\]^_
// 0x60-0x7F = FLASH !"#$…<=>?
for (i = 0x00; i < 0x20; i++) { gen(i+0x40, i+0x40, sw, ''); }
for (i = 0x00; i < 0x20; i++) { gen(i+0x40, i+0xC0, sw, '.flash'); }
for (i = 0x00; i < 0x20; i++) { gen(i+0x60, i+0x20, sw, ''); }
for (i = 0x00; i < 0x20; i++) { gen(i+0x60, i+0xA0, sw, '.flash'); }
// 80-column firmware active
// 0x40-0x5F = MOUSETEXT
// 0x60-0x7F = INVERSE `abc…{|}~
for (i = 0x00; i < 0x20; i++) { gen(i+0x40, i+0x80, sw, '.active'); }
for (i = 0x00; i < 0x20; i++) { gen(i+0x60, i+0xE0, sw, '.active'); }
// 0x80-0x9F = NORMAL @ABC…XYZ[\]^_
// 0xA0-0xBF = NORMAL !"#$…<=>?
// 0xC0-0xDF = NORMAL @ABC…XYZ[\]^_
// 0xE0-0xFF = NORMAL `abc…{|}~
for (i = 0x00; i < 0x20; i++) { gen(i+0x80, i+0x40, sw, ''); }
for (i = 0x00; i < 0x20; i++) { gen(i+0xA0, i+0x20, sw, ''); }
for (i = 0x00; i < 0x20; i++) { gen(i+0xC0, i+0x40, sw, ''); }
for (i = 0x00; i < 0x20; i++) { gen(i+0xE0, i+0x60, sw, ''); }
// Extension symbols
for (i = 0x00; i < 0x20; i++) { gen(i+0x100, i+0x100, sw, ''); }
}
*/
/* 40 Column Text */
.tty_40col .a2c { background-image: url(font-40col.png); width: 14px; }
/* 80 Column Text */
.tty_80col .a2c { background-image: url(font-80col.png); width: 7px; }
.tty_40col .a2c0 { background-position: -318px -8px }
.tty_40col .a2c1 { background-position: -318px -34px }
.tty_40col .a2c2 { background-position: -318px -60px }
.tty_40col .a2c3 { background-position: -318px -86px }
.tty_40col .a2c4 { background-position: -318px -112px }
.tty_40col .a2c5 { background-position: -318px -138px }
.tty_40col .a2c6 { background-position: -318px -164px }
.tty_40col .a2c7 { background-position: -318px -190px }
.tty_40col .a2c8 { background-position: -318px -216px }
.tty_40col .a2c9 { background-position: -318px -242px }
.tty_40col .a2c10 { background-position: -318px -268px }
.tty_40col .a2c11 { background-position: -318px -294px }
.tty_40col .a2c12 { background-position: -318px -320px }
.tty_40col .a2c13 { background-position: -318px -346px }
.tty_40col .a2c14 { background-position: -318px -372px }
.tty_40col .a2c15 { background-position: -318px -398px }
.tty_40col .a2c16 { background-position: -344px -8px }
.tty_40col .a2c17 { background-position: -344px -34px }
.tty_40col .a2c18 { background-position: -344px -60px }
.tty_40col .a2c19 { background-position: -344px -86px }
.tty_40col .a2c20 { background-position: -344px -112px }
.tty_40col .a2c21 { background-position: -344px -138px }
.tty_40col .a2c22 { background-position: -344px -164px }
.tty_40col .a2c23 { background-position: -344px -190px }
.tty_40col .a2c24 { background-position: -344px -216px }
.tty_40col .a2c25 { background-position: -344px -242px }
.tty_40col .a2c26 { background-position: -344px -268px }
.tty_40col .a2c27 { background-position: -344px -294px }
.tty_40col .a2c28 { background-position: -344px -320px }
.tty_40col .a2c29 { background-position: -344px -346px }
.tty_40col .a2c30 { background-position: -344px -372px }
.tty_40col .a2c31 { background-position: -344px -398px }
.tty_40col .a2c32 { background-position: -266px -8px }
.tty_40col .a2c33 { background-position: -266px -34px }
.tty_40col .a2c34 { background-position: -266px -60px }
.tty_40col .a2c35 { background-position: -266px -86px }
.tty_40col .a2c36 { background-position: -266px -112px }
.tty_40col .a2c37 { background-position: -266px -138px }
.tty_40col .a2c38 { background-position: -266px -164px }
.tty_40col .a2c39 { background-position: -266px -190px }
.tty_40col .a2c40 { background-position: -266px -216px }
.tty_40col .a2c41 { background-position: -266px -242px }
.tty_40col .a2c42 { background-position: -266px -268px }
.tty_40col .a2c43 { background-position: -266px -294px }
.tty_40col .a2c44 { background-position: -266px -320px }
.tty_40col .a2c45 { background-position: -266px -346px }
.tty_40col .a2c46 { background-position: -266px -372px }
.tty_40col .a2c47 { background-position: -266px -398px }
.tty_40col .a2c48 { background-position: -292px -8px }
.tty_40col .a2c49 { background-position: -292px -34px }
.tty_40col .a2c50 { background-position: -292px -60px }
.tty_40col .a2c51 { background-position: -292px -86px }
.tty_40col .a2c52 { background-position: -292px -112px }
.tty_40col .a2c53 { background-position: -292px -138px }
.tty_40col .a2c54 { background-position: -292px -164px }
.tty_40col .a2c55 { background-position: -292px -190px }
.tty_40col .a2c56 { background-position: -292px -216px }
.tty_40col .a2c57 { background-position: -292px -242px }
.tty_40col .a2c58 { background-position: -292px -268px }
.tty_40col .a2c59 { background-position: -292px -294px }
.tty_40col .a2c60 { background-position: -292px -320px }
.tty_40col .a2c61 { background-position: -292px -346px }
.tty_40col .a2c62 { background-position: -292px -372px }
.tty_40col .a2c63 { background-position: -292px -398px }
.tty_40col .a2c64 { background-position: -110px -8px }
.tty_40col .a2c65 { background-position: -110px -34px }
.tty_40col .a2c66 { background-position: -110px -60px }
.tty_40col .a2c67 { background-position: -110px -86px }
.tty_40col .a2c68 { background-position: -110px -112px }
.tty_40col .a2c69 { background-position: -110px -138px }
.tty_40col .a2c70 { background-position: -110px -164px }
.tty_40col .a2c71 { background-position: -110px -190px }
.tty_40col .a2c72 { background-position: -110px -216px }
.tty_40col .a2c73 { background-position: -110px -242px }
.tty_40col .a2c74 { background-position: -110px -268px }
.tty_40col .a2c75 { background-position: -110px -294px }
.tty_40col .a2c76 { background-position: -110px -320px }
.tty_40col .a2c77 { background-position: -110px -346px }
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.tty_80col .a2c192 { background-position: -55px -8px }
.tty_80col .a2c193 { background-position: -55px -34px }
.tty_80col .a2c194 { background-position: -55px -60px }
.tty_80col .a2c195 { background-position: -55px -86px }
.tty_80col .a2c196 { background-position: -55px -112px }
.tty_80col .a2c197 { background-position: -55px -138px }
.tty_80col .a2c198 { background-position: -55px -164px }
.tty_80col .a2c199 { background-position: -55px -190px }
.tty_80col .a2c200 { background-position: -55px -216px }
.tty_80col .a2c201 { background-position: -55px -242px }
.tty_80col .a2c202 { background-position: -55px -268px }
.tty_80col .a2c203 { background-position: -55px -294px }
.tty_80col .a2c204 { background-position: -55px -320px }
.tty_80col .a2c205 { background-position: -55px -346px }
.tty_80col .a2c206 { background-position: -55px -372px }
.tty_80col .a2c207 { background-position: -55px -398px }
.tty_80col .a2c208 { background-position: -68px -8px }
.tty_80col .a2c209 { background-position: -68px -34px }
.tty_80col .a2c210 { background-position: -68px -60px }
.tty_80col .a2c211 { background-position: -68px -86px }
.tty_80col .a2c212 { background-position: -68px -112px }
.tty_80col .a2c213 { background-position: -68px -138px }
.tty_80col .a2c214 { background-position: -68px -164px }
.tty_80col .a2c215 { background-position: -68px -190px }
.tty_80col .a2c216 { background-position: -68px -216px }
.tty_80col .a2c217 { background-position: -68px -242px }
.tty_80col .a2c218 { background-position: -68px -268px }
.tty_80col .a2c219 { background-position: -68px -294px }
.tty_80col .a2c220 { background-position: -68px -320px }
.tty_80col .a2c221 { background-position: -68px -346px }
.tty_80col .a2c222 { background-position: -68px -372px }
.tty_80col .a2c223 { background-position: -68px -398px }
.tty_80col .a2c224 { background-position: -81px -8px }
.tty_80col .a2c225 { background-position: -81px -34px }
.tty_80col .a2c226 { background-position: -81px -60px }
.tty_80col .a2c227 { background-position: -81px -86px }
.tty_80col .a2c228 { background-position: -81px -112px }
.tty_80col .a2c229 { background-position: -81px -138px }
.tty_80col .a2c230 { background-position: -81px -164px }
.tty_80col .a2c231 { background-position: -81px -190px }
.tty_80col .a2c232 { background-position: -81px -216px }
.tty_80col .a2c233 { background-position: -81px -242px }
.tty_80col .a2c234 { background-position: -81px -268px }
.tty_80col .a2c235 { background-position: -81px -294px }
.tty_80col .a2c236 { background-position: -81px -320px }
.tty_80col .a2c237 { background-position: -81px -346px }
.tty_80col .a2c238 { background-position: -81px -372px }
.tty_80col .a2c239 { background-position: -81px -398px }
.tty_80col .a2c240 { background-position: -94px -8px }
.tty_80col .a2c241 { background-position: -94px -34px }
.tty_80col .a2c242 { background-position: -94px -60px }
.tty_80col .a2c243 { background-position: -94px -86px }
.tty_80col .a2c244 { background-position: -94px -112px }
.tty_80col .a2c245 { background-position: -94px -138px }
.tty_80col .a2c246 { background-position: -94px -164px }
.tty_80col .a2c247 { background-position: -94px -190px }
.tty_80col .a2c248 { background-position: -94px -216px }
.tty_80col .a2c249 { background-position: -94px -242px }
.tty_80col .a2c250 { background-position: -94px -268px }
.tty_80col .a2c251 { background-position: -94px -294px }
.tty_80col .a2c252 { background-position: -94px -320px }
.tty_80col .a2c253 { background-position: -94px -346px }
.tty_80col .a2c254 { background-position: -94px -372px }
.tty_80col .a2c255 { background-position: -94px -398px }
.tty_80col .a2c256 { background-position: -211px -8px }
.tty_80col .a2c257 { background-position: -211px -34px }
.tty_80col .a2c258 { background-position: -211px -60px }
.tty_80col .a2c259 { background-position: -211px -86px }
.tty_80col .a2c260 { background-position: -211px -112px }
.tty_80col .a2c261 { background-position: -211px -138px }
.tty_80col .a2c262 { background-position: -211px -164px }
.tty_80col .a2c263 { background-position: -211px -190px }
.tty_80col .a2c264 { background-position: -211px -216px }
.tty_80col .a2c265 { background-position: -211px -242px }
.tty_80col .a2c266 { background-position: -211px -268px }
.tty_80col .a2c267 { background-position: -211px -294px }
.tty_80col .a2c268 { background-position: -211px -320px }
.tty_80col .a2c269 { background-position: -211px -346px }
.tty_80col .a2c270 { background-position: -211px -372px }
.tty_80col .a2c271 { background-position: -211px -398px }
.tty_80col .a2c272 { background-position: -224px -8px }
.tty_80col .a2c273 { background-position: -224px -34px }
.tty_80col .a2c274 { background-position: -224px -60px }
.tty_80col .a2c275 { background-position: -224px -86px }
.tty_80col .a2c276 { background-position: -224px -112px }
.tty_80col .a2c277 { background-position: -224px -138px }
.tty_80col .a2c278 { background-position: -224px -164px }
.tty_80col .a2c279 { background-position: -224px -190px }
.tty_80col .a2c280 { background-position: -224px -216px }
.tty_80col .a2c281 { background-position: -224px -242px }
.tty_80col .a2c282 { background-position: -224px -268px }
.tty_80col .a2c283 { background-position: -224px -294px }
.tty_80col .a2c284 { background-position: -224px -320px }
.tty_80col .a2c285 { background-position: -224px -346px }
.tty_80col .a2c286 { background-position: -224px -372px }
.tty_80col .a2c287 { background-position: -224px -398px }
/* For non-canvas based hires implementations */
.hiresPixel { width: 4px; height: 2px; background-color: black; }
.loresPixel { width: 14px; height: 8px; margin: 0; padding: 0; }
.loresRow { height: 8px; margin: 0; padding: 0; }
.loresDisplay { table-layout: fixed; border-collapse: collapse; }
/* Input Devices */
.keyboard { width: 1px; height: 1px; border: none; position: absolute; left: -100px; top: -100px; }
td.controlbox { vertical-align: middle; padding-left: 12px; padding-right: 12px; }
#paddle0, #paddle1
{
border-style: inset;
border-width: 2px;
border-color: gray;
background-color: #c0c0c0;
height: 20px;
width: 245px;
text-align: center;
}
#knob0, #knob1
{
border-style: outset;
border-width: 2px;
border-color: gray;
background-color: #404040;
height: 16px;
width: 10px;
}
#joystick
{
border-style: inset;
border-width: 2px;
border-color: gray;
background-color: #c0c0c0;
width: 100px;
height: 100px;
text-align: center;
vertical-align: middle;
line-height: 100px;
}
#stick
{
border-style: outset;
border-width: 2px;
border-color: gray;
background-color: #404040;
height: 16px;
width: 16px;
}

904
tty.js Normal file
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@ -0,0 +1,904 @@
//
// Applesoft BASIC in Javascript
// TTY Emulation
//
// Copyright (C) 2009-2011 Joshua Bell
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Usage:
//
// tty = new TTY( screen_element, keyboard_element, bell );
// tty.clearScreen()
// tty.scrollScreen()
// tty.setTextStyle( textStyle )
// { width: w, height: h } = tty.getScreenSize()
// { x: x, y: y } = tty.getCursorPosition()
// tty.setFirmwareActive( bool )
// tty.setCursorPosition( x, y )
// tty.showCursor()
// tty.hideCursor()
// tty.focus()
//
// This just calls writeChar() in a loop; no need to hook it
// tty.writeString( string )
//
// The following can be hooked:
// tty.readLine( callback_function, prompt )
// tty.readChar( callback_function )
// tty.writeChar( c )
//
// tty.TEXT_STYLE_NORMAL = 0
// tty.TEXT_STYLE_INVERSE = 1
// tty.TEXT_STYLE_FLASH = 2
//
// Example:
//
// <script>
// tty = new TTY( document.getElementById( 'screen' ), document.getElementById( 'keyboard' ), 80, 24 );
// </script>
// <style>
// #screen { font-size: 10pt; font-family: monospace; font-weight: bold; background-color: black; color: #80ff80; }
// .normal { background-color: #000000; color: #80ff80; }
// .inverse { background-color: #80ff80; color: #000000; }
// </style>
// <div id="screen" tabindex="0"></div>
/*global getClassList*/ // from polyfill.js
/*global identifyKey */ // From keyboard.js
function TTY(screenElement, keyboardElement, bell) {
/*jslint browser: true, white: false, bitwise: false */
// Constants
this.TEXT_STYLE_NORMAL = 0;
this.TEXT_STYLE_INVERSE = 1;
this.TEXT_STYLE_FLASH = 2;
// Internal Fields
// For references to "this" within callbacks and closures
var self = this,
// Display
cursorX = 0,
cursorY = 0,
cursorVisible = false,
cursorElement = null,
styleElem,
screenGrid,
screenRow = [],
splitPos = 0,
screenWidth,
screenHeight,
curStyle = this.TEXT_STYLE_NORMAL,
cursorState = true,
cursorInterval,
firmwareActive = true, // 80-column firmware
mousetext = false,
// Input
lineCallback,
charCallback,
inputBuffer = [],
keyboardRegister = 0,
keyDown = false,
capsLock = true, // Caps lock state is tracked unique to the TTY
buttonState = [0, 0, 0, 0];
this.autoScroll = true;
//
// Display
//
function setCellByte(x, y, byte) {
var cell = screenGrid[x + screenWidth * y];
if (cell && cell.byte !== byte) {
cell.byte = byte;
cell.elem.className = 'a2c a2c' + String(byte);
}
}
// Apple II Character Generator (byte->character map)
// 0x00-0x1F = INVERSE @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_
// 0x20-0x3F = INVERSE !"#$%&'()*+,-./0123456789:;<=>?
// 0x40-0x5F = FLASH @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_ (80-col firmware active: mousetext symbols)
// 0x60-0x7F = FLASH !"#$%&'()*+,-./0123456789:;<=>? (80-col firmware active: inverse lowercase)
// 0x80-0x9F = NORMAL @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_
// 0xA0-0xBF = NORMAL !"#$%&'()*+,-./0123456789:;<=>?
// 0xC0-0xDF = NORMAL @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_
// 0xE0-0xFF = NORMAL `abcdefghijklmnopqrstuvwxyz{|}~
function setCellChar(x, y, c) {
var byte;
if (c > 0xff) {
// Extension characters
byte = c;
} else {
// Lock to 7-bit; Control characters should be filtered already
c = (c >>> 0) & 0x7f;
if (firmwareActive) {
if (curStyle === self.TEXT_STYLE_INVERSE) {
if (0x20 <= c && c < 0x40) { byte = c; }
else if (0x40 <= c && c < 0x60) { byte = c - (mousetext ? 0 : 0x40); }
else if (0x60 <= c && c < 0x80) { byte = c; }
} else if (curStyle === self.TEXT_STYLE_FLASH) {
if (0x20 <= c && c < 0x40) { byte = c + 0x40; }
else if (0x40 <= c && c < 0x60) { byte = c - 0x40; }
else if (0x60 <= c && c < 0x80) { byte = c; }
} else {
if (0x20 <= c && c < 0x40) { byte = c + 0x80; }
else if (0x40 <= c && c < 0x60) { byte = c + 0x80; }
else if (0x60 <= c && c < 0x80) { byte = c + 0x80; }
}
} else {
if (curStyle === self.TEXT_STYLE_INVERSE) {
if (0x20 <= c && c < 0x40) { byte = c; }
else if (0x40 <= c && c < 0x60) { byte = c - 0x40; }
else if (0x60 <= c && c < 0x80) { byte = c - 0x40; } // no inverse lowercase
} else if (curStyle === self.TEXT_STYLE_FLASH) {
if (0x20 <= c && c < 0x40) { byte = c + 0x40; }
else if (0x40 <= c && c < 0x60) { byte = c; }
else if (0x60 <= c && c < 0x80) { byte = c; } // no lowercase flash
} else {
if (0x20 <= c && c < 0x40) { byte = c + 0x80; }
else if (0x40 <= c && c < 0x60) { byte = c + 0x80; }
else if (0x60 <= c && c < 0x80) { byte = c + 0x80; }
}
}
}
setCellByte(x, y, byte);
}
this.reset = function _reset() {
this.hideCursor();
lineCallback = undefined;
charCallback = undefined;
inputBuffer = [];
keyboardRegister = 0;
buttonState = [0, 0, 0, 0];
}; // reset
function init(active, rows, columns) {
firmwareActive = active;
screenWidth = columns;
screenHeight = rows;
// Reset parameters
self.textWindow = {};
self.textWindow.left = 0;
self.textWindow.top = 0;
self.textWindow.width = screenWidth;
self.textWindow.height = screenHeight;
self.setTextStyle(self.TEXT_STYLE_NORMAL);
// Build character cell grid
var x, y, table, tbody, tr, td;
screenGrid = [];
screenGrid.length = screenWidth * screenHeight;
table = document.createElement('table');
table.className = 'tty_table';
tbody = document.createElement('tbody');
styleElem = tbody;
getClassList(styleElem).add(screenWidth === 40 ? 'tty_40col' : 'tty_80col');
if (firmwareActive) { getClassList(styleElem).add('active'); }
for (y = 0; y < screenHeight; y += 1) {
tr = document.createElement('tr');
tr.className = 'tty_tr';
tr.style.visibility = (y < splitPos) ? "hidden" : "";
screenRow[y] = tr;
for (x = 0; x < screenWidth; x += 1) {
td = document.createElement('td');
screenGrid[screenWidth * y + x] = {
elem: td
};
tr.appendChild(td);
}
tbody.appendChild(tr);
}
table.appendChild(tbody);
screenElement.innerHTML = "";
screenElement.appendChild(table);
self.clearScreen();
// Create cursor
cursorElement = document.createElement('span');
cursorElement.className = 'a2c a2c-cursor a2c255';
self.setCursorPosition(0, 0);
}
this.clearScreen = function _clearScreen() {
var x, y;
cursorX = self.textWindow.left;
cursorY = self.textWindow.top;
for (y = self.textWindow.top; y < self.textWindow.top + self.textWindow.height; y += 1) {
for (x = self.textWindow.left; x < self.textWindow.left + self.textWindow.width; x += 1) {
setCellChar(x, y, 0x20);
}
}
};
this.clearEOL = function _clearEOL() {
var x;
for (x = cursorX; x < self.textWindow.left + self.textWindow.width; x += 1) {
setCellChar(x, cursorY, 0x20);
}
};
this.setFirmwareActive = function _setFirmwareActive(active) {
init(active, 24, active ? 80 : 40);
};
function scrollUp() {
var x, y, cell;
for (y = self.textWindow.top; y < self.textWindow.top + self.textWindow.height - 1; y += 1) {
for (x = self.textWindow.left; x < self.textWindow.left + self.textWindow.width; x += 1) {
cell = screenGrid[x + screenWidth * (y + 1)];
setCellByte(x, y, cell.byte);
}
}
y = self.textWindow.top + (self.textWindow.height - 1);
for (x = self.textWindow.left; x < self.textWindow.left + self.textWindow.width; x += 1) {
setCellChar(x, y, 0x20);
}
}
function scrollDown() {
var x, y, cell;
for (y = self.textWindow.top + self.textWindow.height - 1; y > self.textWindow.top; y -= 1) {
for (x = self.textWindow.left; x < self.textWindow.left + self.textWindow.width; x += 1) {
cell = screenGrid[x + screenWidth * (y - 1)];
setCellByte(x, y, cell.byte);
}
}
y = self.textWindow.top;
for (x = self.textWindow.left; x < self.textWindow.left + self.textWindow.width; x += 1) {
setCellChar(x, y, 0x20);
}
}
this.scrollScreen = function _scrollScreen() {
scrollUp();
};
this.setTextStyle = function _setTextStyle(style) {
curStyle = style;
};
// Internal
function updateCursor() {
if (cursorVisible && cursorState) {
var elem = screenGrid[cursorY * screenWidth + cursorX].elem;
if (elem !== cursorElement.parentNode) {
elem.appendChild(cursorElement);
}
} else if (cursorElement.parentNode) {
cursorElement.parentNode.removeChild(cursorElement);
}
}
// Internal
function lineFeed() {
cursorY += 1;
if (cursorY >= self.textWindow.top + self.textWindow.height) {
cursorY = self.textWindow.top + self.textWindow.height - 1;
if (self.autoScroll) {
self.scrollScreen();
}
}
updateCursor();
}
// Internal
function advanceCursor() {
// Advance the cursor
cursorX += 1;
if (cursorX >= self.textWindow.left + self.textWindow.width) {
cursorX = self.textWindow.left;
lineFeed();
}
updateCursor();
}
// Hookable
this.writeChar = function _writeChar(c) {
var code = c.charCodeAt(0),
x, y;
switch (code) {
case 0:
case 1:
case 2:
case 3:
case 4: // DOS hook takes care of CHR$(4)
case 5:
case 6:
// no-op
break;
case 7: // (BEL) bell
if (bell) {
bell();
}
break;
case 8: // (BS) backspace
cursorX -= 1;
if (cursorX < self.textWindow.left) {
cursorX += self.textWindow.width;
cursorY -= 1;
if (cursorY < self.textWindow.top) {
cursorY = self.textWindow.top;
}
}
break;
case 9:
break;
case 10: // (LF) line feed
lineFeed();
break;
case 11: // (VT) clear EOS
if (firmwareActive) {
// Clears from the cursor position to the end of the window
for (x = cursorX; x < self.textWindow.left + self.textWindow.width; x += 1) {
setCellChar(x, cursorY, 0x20);
}
for (y = cursorY + 1; y < self.textWindow.top + self.textWindow.height; y += 1) {
for (x = self.textWindow.left; x < self.textWindow.left + self.textWindow.width; x += 1) {
setCellChar(x, y, 0x20);
}
}
}
break;
case 12: // (FF) clear
if (firmwareActive) {
// move cursor to upper left and clear window
self.clearScreen();
}
break;
case 13: // (CR) return
cursorX = self.textWindow.left;
lineFeed();
break;
case 14: // (SO) normal
if (firmwareActive) {
curStyle = self.TEXT_STYLE_NORMAL;
}
break;
case 15: // (SI) inverse
if (firmwareActive) {
curStyle = self.TEXT_STYLE_INVERSE;
}
break;
case 16:
break;
case 17: // (DC1) 40-column
if (firmwareActive) {
// set display to 40 columns
init(true, 24, 40);
}
break;
case 18: // (DC2) 80-column
if (firmwareActive) {
// set display to 80 columns
init(true, 24, 80);
}
break;
case 19: // (DC3) stop list
case 20:
break;
case 21: // (NAK) quit
if (firmwareActive) {
// deactivate, home, clear screen
init(false, 24, 40);
}
break;
case 22: // (SYN) scroll down
if (firmwareActive) {
// scroll display down, leaving cursor
scrollDown();
}
break;
case 23: // (ETB) scroll up
if (firmwareActive) {
// scroll display up, leaving cursor
scrollUp();
}
break;
case 24: // (CAN) disable mousetext
if (firmwareActive) {
// http://www.umich.edu/~archive/apple2/technotes/tn/mous/TN.MOUS.006
mousetext = false;
}
break;
case 25: // (EM) home
if (firmwareActive) {
// Moves cursor to upper-left corner of window (but doesn't clear)
cursorX = self.textWindow.left;
cursorY = self.textWindow.top;
}
break;
case 26: // (SUB) clear line
if (firmwareActive) {
// Clears the line the cursor position is on
for (x = 0; x < self.textWindow.width; x += 1) {
setCellChar(self.textWindow.left + x, cursorY, 0x20);
}
}
break;
case 27: // (ESC) enable mousetext
if (firmwareActive) {
// http://www.umich.edu/~archive/apple2/technotes/tn/mous/TN.MOUS.006
mousetext = true;
}
break;
case 28: // (FS) fwd. space
if (firmwareActive) {
// Moves cursor position one space to the right; from right edge
// of window, moves it to left end of line below
cursorX += 1;
if (cursorX > (self.textWindow.left + self.textWindow.width)) {
cursorX -= self.textWindow.width;
cursorY += 1;
if (cursorY > self.textWindow.top + self.textWindow.height) {
cursorY = self.textWindow.top + self.textWindow.height;
}
}
}
break;
case 29: // (GS) clear EOL
if (firmwareActive) {
// Clear line rom cursor position to the right edge of the window
self.clearEOL();
}
break;
case 30: // RS - gotoXY (not supported from BASIC)
case 31:
break;
default:
setCellChar(cursorX, cursorY, code);
advanceCursor();
break;
}
};
// Hookable
this.writeString = function _writeString(s) {
var i;
for (i = 0; i < s.length; i += 1) {
this.writeChar(s.charAt(i));
}
};
this.getScreenSize = function _getScreenSize() {
return { width: screenWidth, height: screenHeight };
};
this.getCursorPosition = function _getCursorPosition() {
return { x: cursorX, y: cursorY };
};
this.setCursorPosition = function _setCursorPosition(x, y) {
if (x !== undefined) {
x = Math.min(Math.max(Math.floor(x), 0), screenWidth - 1);
} else {
x = cursorX;
}
if (y !== undefined) {
y = Math.min(Math.max(Math.floor(y), 0), screenHeight - 1);
} else {
y = cursorY;
}
if (x === cursorX && y === cursorY) {
// no-op
return;
}
cursorX = x;
cursorY = y;
updateCursor();
};
this.showCursor = function _showCursor() {
cursorVisible = true;
cursorInterval = setInterval(function() {
cursorState = !cursorState;
updateCursor();
}, 500);
};
this.hideCursor = function _hideCursor() {
clearInterval(cursorInterval);
cursorVisible = false;
updateCursor();
};
this.splitScreen = function _splitScreen(splitAt) {
splitPos = splitAt;
var y;
for (y = 0; y < screenHeight; y += 1) {
screenRow[y].style.visibility = (y < splitPos) ? "hidden" : "";
}
};
//
// Input
//
// Internal
function onKey(code) {
var cb, c, s;
keyboardRegister = code | 0x80;
if (charCallback) {
keyboardRegister = keyboardRegister & 0x7f;
cb = charCallback;
charCallback = undefined;
self.hideCursor();
cb(String.fromCharCode(code));
} else if (lineCallback) {
keyboardRegister = keyboardRegister & 0x7f;
if (code >= 32 && code <= 127) {
c = String.fromCharCode(code);
inputBuffer.push(c);
self.writeChar(c); // echo
} else {
switch (code) {
case 8: // Left Arrow
if (inputBuffer.length > 0) {
inputBuffer.pop();
self.setCursorPosition(Math.max(self.getCursorPosition().x - 1, 0), self.getCursorPosition().y);
}
break;
case 13: // Enter
// Respond to INPUT callback, if defined
s = inputBuffer.join("");
inputBuffer = [];
self.writeString("\r");
cb = lineCallback;
lineCallback = undefined;
self.hideCursor();
cb(s);
break;
}
}
}
// else: nothing - key stays in the keyboard register
} // onKey
function toAppleKey(e) {
function ord(c) { return c.charCodeAt(0); }
switch (e.keyName) {
// Non-Printables
case 'Backspace': return 127;
case 'Tab': return 9; // NOTE: Blocked elsewhere, for web page accessibility
case 'Enter': return 13;
case 'Escape': return 27;
case 'Left': return 8;
case 'Up': return 11;
case 'Right': return 21;
case 'Down': return 10;
case 'Delete': return 127;
case 'Clear': return 24; // ctrl-X - used on the IIgs
// Numeric
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
if (e.location === KeyboardEvent.DOM_KEY_LOCATION_NUMPAD) {
// Numpad, presumably - allow but nothing special
return ord(e.keyName);
} else if (e.ctrlKey) {
if (e.shiftKey) {
switch (e.keyName) {
case '2': return 0; // ctrl-@
case '6': return 30; // ctrl-^
}
}
return;
} else if (e.shiftKey) {
return ')!@#$%^&*('.charCodeAt(ord(e.keyName) - ord('0'));
} else {
return ord(e.keyName);
}
// Alphabetic
case 'A':
case 'B':
case 'C':
case 'D':
case 'E':
case 'F':
case 'G':
case 'H':
case 'I':
case 'J':
case 'K':
case 'L':
case 'M':
case 'N':
case 'O':
case 'P':
case 'Q':
case 'R':
case 'S':
case 'T':
case 'U':
case 'V':
case 'W':
case 'X':
case 'Y':
case 'Z':
if (e.ctrlKey) {
return ord(e.keyName) - 64; // Control keys, Apple II-style
} else if (capsLock || e.shiftKey) {
return ord(e.keyName); // Upper case
} else {
return ord(e.keyName) + 32; // Lower case
}
// Symbol and Punctuation
case 'Spacebar': return ord(' ');
case 'Semicolon': return e.shiftKey ? ord(':') : ord(';');
case 'Equals': return e.shiftKey ? ord('+') : ord('=');
case 'Comma': return e.shiftKey ? ord('<') : ord(',');
case 'Minus': return e.ctrlKey ? 31 : e.shiftKey ? ord('_') : ord('-');
case 'Period': return e.shiftKey ? ord('>') : ord('.');
case 'Solidus': return e.shiftKey ? ord('?') : ord('/');
case 'Grave': return e.shiftKey ? ord('~') : ord('`');
case 'LeftSquareBracket': return e.ctrlKey ? 27 : e.shiftKey ? ord('{') : ord('[');
case 'Backslash': return e.ctrlKey ? 28 : e.shiftKey ? ord('|') : ord('\\');
case 'RightSquareBracket': return e.ctrlKey ? 29 : e.shiftKey ? ord('}') : ord(']');
case 'Apostrophe': return e.shiftKey ? ord('"') : ord('\'');
// not present on Apple II keyboard
default:
break;
}
return -1;
}
function isBrowserKey(e) {
return e.keyName === 'Tab' || e.keyName === 'F5' || e.metaKey;
}
// Internal
function handleKeyDown(e) {
identifyKey(e);
if (!e.keyName || isBrowserKey(e)) {
return true;
}
var handled = false, code;
switch (e.keyName) {
case 'CapsLock':
capsLock = !capsLock;
handled = true;
break;
// Used as paddle buttons (0=Open Apple, 1=Solid Apple)
case 'Home': buttonState[0] = 255; handled = true; break;
case 'End': buttonState[1] = 255; handled = true; break;
case 'PageUp': buttonState[2] = 255; handled = true; break;
case 'Shift': buttonState[2] = 255; handled = true; break;
case 'PageDown': buttonState[3] = 255; handled = true; break;
default:
code = toAppleKey(e);
if (code !== -1) {
keyDown = true;
onKey(code);
handled = true;
}
break;
}
if (handled) {
e.stopPropagation();
e.preventDefault();
}
return !handled;
}
// Internal
function handleKeyUp(e) {
identifyKey(e);
if (!e.keyName || isBrowserKey(e)) {
return true;
}
var handled = false,
code;
switch (e.keyName) {
case 'CapsLock':
handled = true;
break;
// Used as paddle buttons (0=Open Apple, 1=Solid Apple)
case 'Home': buttonState[0] = 0; handled = true; break;
case 'End': buttonState[1] = 0; handled = true; break;
case 'PageUp': buttonState[2] = 0; handled = true; break;
case 'Shift': buttonState[2] = 0; handled = true; break;
case 'PageDown': buttonState[3] = 0; handled = true; break;
default:
code = toAppleKey(e);
if (code !== -1) {
keyDown = false;
handled = true;
}
break;
}
if (handled) {
e.stopPropagation();
e.preventDefault();
}
return !handled;
}
this.getButtonState = function _getButtonState(btn) {
return buttonState[btn];
};
this.focus = function _focus() {
keyboardElement.focus();
};
// Hookable
this.readLine = function _readLine(callback, prompt) {
self.writeString(prompt);
lineCallback = callback;
self.showCursor();
self.focus();
};
// Hookable
this.readChar = function _readChar(callback) {
// If there is a key ready, deliver it immediately
if (keyboardRegister & 0x80) {
keyboardRegister = keyboardRegister & 0x7f;
// Non-blocking return
setTimeout(function() { callback(String.fromCharCode(keyboardRegister)); }, 0);
} else {
charCallback = callback;
self.showCursor();
self.focus();
}
};
this.getKeyboardRegister = function _getKeyboardRegister() {
return keyboardRegister;
};
this.clearKeyboardStrobe = function _clearKeyboardStrobe() {
keyboardRegister = keyboardRegister & 0x7f;
return keyboardRegister | (keyDown ? 0x80 : 0x00);
};
//
// Constructor Logic
//
init(false, 24, 40);
window.addEvent(keyboardElement, 'keydown', handleKeyDown);
window.addEvent(keyboardElement, 'keyup', handleKeyUp);
setInterval(function _blinkFlash() {
window.getClassList(styleElem).toggle('flash');
}, 250);
}

26
vfs/DATAFILE.txt Normal file
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@ -0,0 +1,26 @@
0123456789ABCDEFGHJKLMNPQRSTUVWXYZ
INDEPENDENT
NAVY
SCOUT
MERCHANT
TRADER
COURIER
SURVEY
TRADER
TRANSPORT
XBOAT
0.3
0.4
0.5
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.5
1.7
2.0
3.0
4.0

4
vfs/JABBERWOCKY.txt Normal file
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@ -0,0 +1,4 @@
Twas brillig and the slithy toves
Did gyre and gimble in the wabe
All mimsy were the borogoves
And mome raths outgrabe

169
vfs/OD JUMP.txt Normal file
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@ -0,0 +1,169 @@
9
8
8
7
7
6
6
6
7
7
8
8
9
8
7
7
6
6
5
5
5
6
6
7
7
8
7
6
6
5
5
4
4
4
5
5
6
6
7
6
5
5
4
4
3
3
3
4
4
5
5
6
6
5
4
3
3
2
2
2
3
3
4
5
6
6
5
4
3
2
1
1
1
2
3
4
5
6
6
5
4
3
2
1
0
1
2
3
4
5
6
6
5
4
3
2
2
1
2
2
3
4
5
6
6
5
4
4
3
3
2
3
3
4
4
5
6
6
6
5
5
4
4
3
4
4
5
5
6
6
7
7
6
6
5
5
4
5
5
6
6
7
7
8
8
7
7
6
6
5
6
6
7
7
8
8
9
9
8
8
7
7
6
7
7
8
8
9
9

28
vfs/SHIPS.txt Normal file
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@ -0,0 +1,28 @@
26
A 0200 111 10 20 0082 0030 S 7 4 015000 037.080 04 BEOWULF FREE TRADER IM 240
A 0200 111 10 20 0082 0030 S 7 4 015000 037.080 04 FANCY FREE FREE TRADER DA 240
A 0200 111 10 20 0082 0030 S 7 4 015000 037.080 04 FAST BUCK FREE TRADER NA 240
A 0200 111 10 20 0082 0030 S 7 4 015000 037.080 04 SWORD OF LIGHT FREE TRADER SW 240
C 0800 333 25 00 0080 318 U 5 1 041700 445.950 10 BROADSWORD MERC CRUISER IM P
C 0800 333 25 00 0080 318 U 6 1 041700 445.950 10 HALBERD MERC CRUISER IM P
E 0400 347 12 04 0010 0200 U 5 1 036000 355.990 12 GAZELLE CLOSE ESCORT IM P
E 0400 347 12 04 0010 0200 U 5 1 036000 355.990 12 UNICORN CLOSE ESCORT IM P
F 0200 212 13 09 0061 0050 S 7 4 016250 066.175 03 EMPRESS NICHOLLE FAR TRADER IM 240
F 0200 212 13 09 0061 0050 S 7 4 016250 066.175 03 REGENT ARBELLATR FAR TRADER IM 240
I 5000 111 15 00 2911 0510 S 7 3 047400 985.200 15 BROBDINGNAG BULK CARRIER IM 240
K 0200 212 11 00 0016 0060 S 0 0 020000 081.080 05 RAINWOLF SAFARI SHIP IM 240
K 0200 212 11 00 0030 0060 S 7 4 015750 081.080 03 BUSH RUNNER SAFARI SHIP CONV IM 240
L 0400 212 20 00 0118 0090 U 7 4 028700 158.980 07 RING OF STEEL LAB SHIP CONVERT IM 240
L 0400 212 20 00 0118 0090 U 8 4 028700 158.980 07 MUAN IWN LAB SHIP CONVERT VE 240
M 0600 313 30 20 0129 0210 U 7 4 034700 236.970 09 AD ASTRA SUB LINER IM S
M 0600 313 30 20 0129 0210 U 7 4 034700 236.970 09 CYNGUS SUB LINER IM S
N 3000 414 25 00 1329 1240 U 8 3 050700 809.010 15 GOLDEN HARVEST LONG FREIGHTER IM 240
N 3000 414 25 00 1329 1240 U 7 4 050700 809.010 15 SAFETY FIRST LONG FREIGHTER IM 240
O 1000 414 50 00 0130 0440 S 8 3 052700 526.400 15 DENEB EXPRESS LONG LINER IM 240
O 1000 414 50 00 0130 0440 S 8 3 052700 526.400 15 MORA BOUND LONG LINER IM 240
R 0400 111 13 09 0210 0050 S 7 4 020000 101.030 05 CHAIN SAW FAT TRADER DA 240
R 0400 111 13 09 0210 0050 S 7 4 020000 101.030 05 MARCH HARRIER FAT TRADER IM S
S 0100 222 04 00 0003 0040 S 5 2 007500 029.430 01 DAFFODIL SCOUT/COURIER IM P
S 0100 222 04 00 0003 0040 S 6 2 007500 029.430 01 BLACK ORCHID SCOUT/COURIER IM P
X 0100 404 02 00 0001 0040 U 9 2 007500 070.65 01 X-51216 EXPRESS BOAT IM P

39
vfs/SHIPS@.txt Normal file
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@ -0,0 +1,39 @@
17
26
99
TYPE CODE
1
TONNAGE
4
PERFORMANC
3
STATEROOMS
2
LOW BERTHS
2
CARGO HOLD
4
FUEL
4
STREAMLINE
1
SHIP NATUR
1
SHIP SERVI
1
SALARIES
6
SHIP COST
7
CREW
2
NAME
16
SHIP TYPE
16
ALLEGIANCE
2
PAYMENTS
3
FIELD 18
5

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23
vfs/SOLOMANI@.txt Normal file
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@ -0,0 +1,23 @@
9
400
49
HEX
4
UPP
9
BASES
1
TRADE CLAS
14
ALLEGIANCE
2
TRAVEL ZON
1
GAS GIANT
1
TRADEWORLD
1
EXPLORED?
1
RED?
1

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21
vfs/SPINWARD@.txt Normal file
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@ -0,0 +1,21 @@
9
439
49
HEX
4
UPP
9
BASES
1
TRADE CLAS
14
ALLEGIANCE
2
TRAVEL ZON
1
GAS GIANT
1
TRADEWORLD
1
EXPLORED?
1

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