apple2js/js/ui/apple2.js

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import MicroModal from 'micromodal';
import Audio from './audio';
import DriveLights from './drive_lights';
import { DISK_TYPES } from '../cards/disk2';
import { gamepad, configGamepad, initGamepad } from './gamepad';
import KeyBoard from './keyboard';
import Tape, { TAPE_TYPES } from './tape';
import ApplesoftDump from '../applesoft/decompiler';
import ApplesoftCompiler from '../applesoft/compiler';
import { debug, gup, hup } from '../util';
import Prefs from '../prefs';
var paused = false;
var focused = false;
var startTime = Date.now();
var lastCycles = 0;
var lastFrames = 0;
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var lastRenderedFrames = 0;
var hashtag = document.location.hash;
var disk_categories = {'Local Saves': []};
var disk_sets = {};
var disk_cur_name = [];
var disk_cur_cat = [];
var _apple2;
var cpu;
var stats;
var vm;
var tape;
var _disk2;
var _smartPort;
var audio;
var keyboard;
var io;
var _currentDrive = 1;
export const driveLights = new DriveLights();
export function dumpAppleSoftProgram() {
var dumper = new ApplesoftDump(cpu);
debug(dumper.toString());
}
export function compileAppleSoftProgram(program) {
var compiler = new ApplesoftCompiler(cpu);
compiler.compile(program);
}
export function openLoad(drive, event) {
_currentDrive = parseInt(drive, 10);
if (event.metaKey) {
openLoadHTTP(drive);
} else {
if (disk_cur_cat[drive]) {
document.querySelector('#category_select').value = disk_cur_cat[drive];
selectCategory();
}
MicroModal.show('load-modal');
}
}
export function openSave(drive, event) {
_currentDrive = parseInt(drive, 10);
var mimeType = 'application/octet-stream';
var data = _disk2.getBinary(drive);
var a = document.querySelector('#local_save_link');
var blob = new Blob([data], { 'type': mimeType });
a.href = window.URL.createObjectURL(blob);
a.download = driveLights.label(drive) + '.dsk';
if (event.metaKey) {
dumpDisk(drive);
} else {
document.querySelector('#save_name').value = driveLights.label(drive);
MicroModal.show('save-modal');
}
}
export function openAlert(msg) {
var el = document.querySelector('#alert-modal .message');
el.innerText = msg;
MicroModal.show('alert-modal');
}
/********************************************************************
*
* Drag and Drop
*/
export function handleDragOver(drive, event) {
event.preventDefault();
event.dataTransfer.dropEffect = 'copy';
}
export function handleDragEnd(drive, event) {
var dt = event.dataTransfer;
if (dt.items) {
for (var i = 0; i < dt.items.length; i++) {
dt.items.remove(i);
}
} else {
event.dataTransfer.clearData();
}
}
export function handleDrop(drive, event) {
event.preventDefault();
event.stopPropagation();
if (drive < 1) {
if (!_disk2.getMetadata(1)) {
drive = 1;
} else if (!_disk2.getMetadata(2)) {
drive = 2;
} else {
drive = 1;
}
}
var dt = event.dataTransfer;
if (dt.files.length == 1) {
doLoadLocal(drive, dt.files[0]);
} else if (dt.files.length == 2) {
doLoadLocal(1, dt.files[0]);
doLoadLocal(2, dt.files[1]);
} else {
for (var idx = 0; idx < dt.items.length; idx++) {
if (dt.items[idx].type === 'text/uri-list') {
dt.items[idx].getAsString(function(url) {
var parts = document.location.hash.split('|');
parts[drive - 1] = url;
document.location.hash = parts.join('|');
});
}
}
}
}
function loadingStart () {
var meter = document.querySelector('#loading-modal .meter');
meter.style.display = 'none';
MicroModal.show('loading-modal');
}
function loadingProgress (current, total) {
if (total) {
var meter = document.querySelector('#loading-modal .meter');
var progress = document.querySelector('#loading-modal .progress');
meter.style.display = 'block';
progress.style.width = current / total * meter.clientWidth + 'px';
}
}
function loadingStop () {
MicroModal.close('loading-modal');
if (!paused) {
_apple2.run();
}
}
export function loadAjax(drive, url) {
loadingStart();
fetch(url).then(function(response) {
if (response.ok) {
return response.json();
} else {
throw new Error('Error loading: ' + response.statusText);
}
}).then(function(data) {
if (data.type == 'binary') {
loadBinary(drive, data);
} else if (DISK_TYPES.indexOf(data.type) > -1) {
loadDisk(drive, data);
}
initGamepad(data.gamepad);
loadingStop();
}).catch(function(error) {
loadingStop();
openAlert(error.message);
});
}
export function doLoad() {
MicroModal.close('load-modal');
var urls = document.querySelector('#disk_select').value, url;
if (urls && urls.length) {
if (typeof(urls) == 'string') {
url = urls;
} else {
url = urls[0];
}
}
var files = document.querySelector('#local_file').files;
if (files.length == 1) {
doLoadLocal(_currentDrive, files[0]);
} else if (url) {
var filename;
MicroModal.close('load-modal');
if (url.substr(0,6) == 'local:') {
filename = url.substr(6);
if (filename == '__manage') {
openManage();
} else {
loadLocalStorage(_currentDrive, filename);
}
} else {
var r1 = /json\/disks\/(.*).json$/.exec(url);
if (r1) {
filename = r1[1];
} else {
filename = url;
}
var parts = document.location.hash.split('|');
parts[_currentDrive - 1] = filename;
document.location.hash = parts.join('|');
}
}
}
export function doSave() {
var name = document.querySelector('#save_name').value;
saveLocalStorage(_currentDrive, name);
MicroModal.close('save-modal');
}
export function doDelete(name) {
if (window.confirm('Delete ' + name + '?')) {
deleteLocalStorage(name);
}
}
function doLoadLocal(drive, file) {
var parts = file.name.split('.');
var ext = parts[parts.length - 1].toLowerCase();
if (DISK_TYPES.indexOf(ext) > -1) {
doLoadLocalDisk(drive, file);
} else if (TAPE_TYPES.indexOf(ext) > -1) {
tape.doLoadLocalTape(file);
} else {
openAlert('Unknown file type: ' + ext);
}
}
function doLoadLocalDisk(drive, file) {
loadingStart();
var fileReader = new FileReader();
fileReader.onload = function() {
var parts = file.name.split('.');
var ext = parts.pop().toLowerCase();
var name = parts.join('.');
if (this.result.byteLength >= 800 * 1024) {
if (_smartPort.setBinary(drive, name, ext, this.result)) {
driveLights.label(drive, name);
focused = false;
initGamepad();
}
} else {
if (_disk2.setBinary(drive, name, ext, this.result)) {
driveLights.label(drive, name);
focused = false;
initGamepad();
}
}
loadingStop();
};
fileReader.readAsArrayBuffer(file);
}
export function doLoadHTTP(drive, _url) {
if (!_url) {
MicroModal.close('http-modal');
}
loadingStart();
var url = _url || document.querySelector('#http_url').value;
if (url) {
fetch(url).then(function(response) {
if (response.ok) {
var reader = response.body.getReader();
var received = 0;
var chunks = [];
var contentLength = parseInt(response.headers.get('content-length'), 10);
return reader.read().then(function readChunk(result) {
if (result.done) {
var data = new Uint8Array(received);
var offset = 0;
for (var idx = 0; idx < chunks.length; idx++) {
data.set(chunks[idx], offset);
offset += chunks[idx].length;
}
return data.buffer;
}
received += result.value.length;
if (contentLength) {
loadingProgress(received, contentLength);
}
chunks.push(result.value);
return reader.read().then(readChunk);
});
} else {
throw new Error('Error loading: ' + response.statusText);
}
}).then(function(data) {
var urlParts = url.split('/');
var file = urlParts.pop();
var fileParts = file.split('.');
var ext = fileParts.pop().toLowerCase();
var name = decodeURIComponent(fileParts.join('.'));
if (data.byteLength >= 800 * 1024) {
if (_smartPort.setBinary(drive, name, ext, data)) {
driveLights.label(drive, name);
initGamepad();
}
} else {
if (_disk2.setBinary(drive, name, ext, data)) {
driveLights.label(drive, name);
initGamepad();
}
}
loadingStop();
}).catch(function(error) {
loadingStop();
openAlert(error.message);
});
}
}
function openLoadHTTP(drive) {
_currentDrive = parseInt(drive, 10);
MicroModal.show('http-modal');
}
function openManage() {
MicroModal.show('manage-modal');
}
var prefs = new Prefs();
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var showStats = 0;
export function updateKHz() {
var now = Date.now();
var ms = now - startTime;
var cycles = cpu.cycles();
var delta;
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var fps;
var khz;
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switch (showStats) {
case 0: {
delta = cycles - lastCycles;
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khz = parseInt(delta/ms);
document.querySelector('#khz').innerText = khz + ' kHz';
break;
}
case 1: {
delta = stats.renderedFrames - lastRenderedFrames;
fps = parseInt(delta/(ms/1000), 10);
document.querySelector('#khz').innerText = fps + ' rps';
break;
}
default: {
delta = stats.frames - lastFrames;
fps = parseInt(delta/(ms/1000), 10);
document.querySelector('#khz').innerText = fps + ' fps';
}
}
startTime = now;
lastCycles = cycles;
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lastRenderedFrames = stats.renderedFrames;
lastFrames = stats.frames;
}
export function toggleShowFPS() {
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showStats = ++showStats % 3;
}
export function updateSound() {
var on = document.querySelector('#enable_sound').checked;
var label = document.querySelector('#toggle-sound i');
audio.enable(on);
if (on) {
label.classList.remove('fa-volume-off');
label.classList.add('fa-volume-up');
} else {
label.classList.remove('fa-volume-up');
label.classList.add('fa-volume-off');
}
}
function dumpDisk(drive) {
var wind = window.open('', '_blank');
wind.document.title = driveLights.label(drive);
wind.document.write('<pre>');
wind.document.write(_disk2.getJSON(drive, true));
wind.document.write('</pre>');
wind.document.close();
}
export function reset() {
_apple2.reset();
}
function loadBinary(bin) {
for (var idx = 0; idx < bin.length; idx++) {
var pos = bin.start + idx;
cpu.write(pos >> 8, pos & 0xff, bin.data[idx]);
}
cpu.reset();
cpu.setPC(bin.start);
}
export function selectCategory() {
document.querySelector('#disk_select').innerHTML = '';
var cat = disk_categories[document.querySelector('#category_select').value];
if (cat) {
for (var idx = 0; idx < cat.length; idx++) {
var file = cat[idx], name = file.name;
if (file.disk) {
name += ' - ' + file.disk;
}
var option = document.createElement('option');
option.value = file.filename;
option.innerText = name;
document.querySelector('#disk_select').append(option);
if (disk_cur_name[_currentDrive] == name) {
option.selected = true;
}
}
}
}
export function selectDisk() {
document.querySelector('#local_file').value = '';
}
export function clickDisk() {
doLoad();
}
function loadDisk(drive, disk) {
var name = disk.name;
var category = disk.category;
if (disk.disk) {
name += ' - ' + disk.disk;
}
disk_cur_cat[drive] = category;
disk_cur_name[drive] = name;
driveLights.label(drive, name);
_disk2.setDisk(drive, disk);
initGamepad(disk.gamepad);
}
/*
* LocalStorage Disk Storage
*/
function updateLocalStorage() {
var diskIndex = JSON.parse(window.localStorage.diskIndex || '{}');
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var names = Object.keys(diskIndex), cat;
cat = disk_categories['Local Saves'] = [];
document.querySelector('#manage-modal-content').innerHTML = '';
names.forEach(function(name) {
cat.push({
'category': 'Local Saves',
'name': name,
'filename': 'local:' + name
});
document.querySelector('#manage-modal-content').innerHTML =
'<span class="local_save">' +
name +
' <a href="#" onclick="Apple2.doDelete(\'' +
name +
'\')">Delete</a><br /></span>';
});
cat.push({
'category': 'Local Saves',
'name': 'Manage Saves...',
'filename': 'local:__manage'
});
}
function saveLocalStorage(drive, name) {
var diskIndex = JSON.parse(window.localStorage.diskIndex || '{}');
var json = _disk2.getJSON(drive);
diskIndex[name] = json;
window.localStorage.diskIndex = JSON.stringify(diskIndex);
openAlert('Saved');
driveLights.label(drive, name);
driveLights.dirty(drive, false);
updateLocalStorage();
}
function deleteLocalStorage(name) {
var diskIndex = JSON.parse(window.localStorage.diskIndex || '{}');
if (diskIndex[name]) {
delete diskIndex[name];
openAlert('Deleted');
}
window.localStorage.diskIndex = JSON.stringify(diskIndex);
updateLocalStorage();
}
function loadLocalStorage(drive, name) {
var diskIndex = JSON.parse(window.localStorage.diskIndex || '{}');
if (diskIndex[name]) {
_disk2.setJSON(drive, diskIndex[name]);
driveLights.label(drive, name);
driveLights.dirty(drive, false);
}
}
if (window.localStorage !== undefined) {
document.querySelectorAll('.disksave').forEach(function (el) { el.style.display = 'inline-block';});
}
var oldcat = '';
var option;
for (var idx = 0; idx < window.disk_index.length; idx++) {
var file = window.disk_index[idx];
var cat = file.category;
var name = file.name, disk = file.disk;
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if (file.e && !window.e) {
continue;
}
if (cat != oldcat) {
option = document.createElement('option');
option.value = cat;
option.innerText = cat;
document.querySelector('#category_select').append(option);
disk_categories[cat] = [];
oldcat = cat;
}
disk_categories[cat].push(file);
if (disk) {
if (!disk_sets[name]) {
disk_sets[name] = [];
}
disk_sets[name].push(file);
}
}
option = document.createElement('option');
option.innerText = 'Local Saves';
document.querySelector('#category_select').append(option);
updateLocalStorage();
function processHash(hash) {
var files = hash.split('|');
for (var idx = 0; idx < files.length; idx++) {
var file = files[idx];
if (file.indexOf('://') > 0) {
var parts = file.split('.');
var ext = parts[parts.length - 1].toLowerCase();
if (ext == 'json') {
loadAjax(idx + 1, file);
} else {
doLoadHTTP(idx + 1, file);
}
} else if (file) {
loadAjax(idx + 1, 'json/disks/' + file + '.json');
}
}
}
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/*
* Keyboard/Gamepad routines
*/
function _keydown(evt) {
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if (!focused && (!evt.metaKey || evt.ctrlKey || window.e)) {
evt.preventDefault();
var key = keyboard.mapKeyEvent(evt);
if (key != 0xff) {
io.keyDown(key);
}
}
if (evt.keyCode === 112) { // F1 - Reset
cpu.reset();
evt.preventDefault(); // prevent launching help
} else if (evt.keyCode === 113) { // F2 - Full Screen
var elem = document.getElementById('screen');
if (evt.shiftKey) { // Full window, but not full screen
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document.body.classList.toggle('full-page');
} else if (document.webkitCancelFullScreen) {
if (document.webkitIsFullScreen) {
document.webkitCancelFullScreen();
} else {
if (Element.ALLOW_KEYBOARD_INPUT) {
elem.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
} else {
elem.webkitRequestFullScreen();
}
}
} else if (document.mozCancelFullScreen) {
if (document.mozIsFullScreen) {
document.mozCancelFullScreen();
} else {
elem.mozRequestFullScreen();
}
}
} else if (evt.keyCode === 114) { // F3
io.keyDown(0x1b);
} else if (evt.keyCode === 117) { // F6 Quick Save
_apple2.saveState();
} else if (evt.keyCode === 120) { // F9 Quick Restore
_apple2.restoreState();
} else if (evt.keyCode == 16) { // Shift
keyboard.shiftKey(true);
} else if (evt.keyCode == 20) { // Caps lock
keyboard.capslockKey();
} else if (evt.keyCode == 17) { // Control
keyboard.controlKey(true);
} else if (evt.keyCode == 91 || evt.keyCode == 93) { // Command
keyboard.commandKey(true);
} else if (evt.keyCode == 18) { // Alt
if (evt.location == 1) {
keyboard.commandKey(true);
} else {
keyboard.optionKey(true);
}
}
}
function _keyup(evt) {
if (!focused)
io.keyUp();
if (evt.keyCode == 16) { // Shift
keyboard.shiftKey(false);
} else if (evt.keyCode == 17) { // Control
keyboard.controlKey(false);
} else if (evt.keyCode == 91 || evt.keyCode == 93) { // Command
keyboard.commandKey(false);
} else if (evt.keyCode == 18) { // Alt
if (evt.location == 1) {
keyboard.commandKey(false);
} else {
keyboard.optionKey(false);
}
}
}
export function updateScreen() {
var green = document.querySelector('#green_screen').checked;
var scanlines = document.querySelector('#show_scanlines').checked;
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var screen = document.querySelector('#screen');
var overscan = document.querySelector('.overscan');
if (scanlines) {
overscan.classList.add('scanlines');
} else {
overscan.classList.remove('scanlines');
}
if (green) {
screen.classList.add('green');
} else {
screen.classList.remove('green');
}
vm.mono(green);
}
export function updateCPU() {
var accelerated = document.querySelector('#accelerator_toggle').checked;
var kHz = accelerated ? 4092 : 1023;
io.updateKHz(kHz);
}
export function updateUI() {
if (document.location.hash != hashtag) {
hashtag = document.location.hash;
var hash = hup();
if (hash) {
processHash(hash);
}
}
}
var disableMouseJoystick = false;
var flipX = false;
var flipY = false;
var swapXY = false;
export function updateJoystick() {
disableMouseJoystick = document.querySelector('#disable_mouse').checked;
flipX = document.querySelector('#flip_x').checked;
flipY = document.querySelector('#flip_y').checked;
swapXY = document.querySelector('#swap_x_y').checked;
configGamepad(flipX, flipY);
if (disableMouseJoystick) {
io.paddle(0, 0.5);
io.paddle(1, 0.5);
return;
}
}
function _mousemove(evt) {
if (gamepad || disableMouseJoystick) {
return;
}
var s = document.querySelector('#screen');
var offset = s.getBoundingClientRect();
var x = (evt.pageX - offset.left) / s.clientWidth,
y = (evt.pageY - offset.top) / s.clientHeight,
z = x;
if (swapXY) {
x = y;
y = z;
}
io.paddle(0, flipX ? 1 - x : x);
io.paddle(1, flipY ? 1 - y : y);
}
export function pauseRun() {
var label = document.querySelector('#pause-run i');
if (paused) {
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_apple2.run();
label.classList.remove('fa-play');
label.classList.add('fa-pause');
} else {
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_apple2.stop();
label.classList.remove('fa-pause');
label.classList.add('fa-play');
}
paused = !paused;
}
export function toggleSound() {
var enableSound = document.querySelector('#enable_sound');
enableSound.checked = !enableSound.checked;
updateSound();
}
export function openOptions() {
MicroModal.show('options-modal');
}
export function openPrinterModal() {
MicroModal.show('printer-modal');
}
export function initUI(apple2, disk2, smartPort, e) {
_apple2 = apple2;
cpu = _apple2.getCPU();
io = _apple2.getIO();
stats = apple2.getStats();
vm = apple2.getVideoModes();
tape = new Tape(io);
_disk2 = disk2;
_smartPort = smartPort;
keyboard = new KeyBoard(cpu, io, e);
keyboard.create('#keyboard');
audio = new Audio(io);
MicroModal.init();
/*
* Input Handling
*/
window.addEventListener('keydown', _keydown);
window.addEventListener('keyup', _keyup);
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window.addEventListener('keydown', audio.autoStart);
if (window.ontouchstart !== undefined) {
window.addEventListener('touchstart', audio.autoStart);
}
window.addEventListener('mousedown', audio.autoStart);
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window.addEventListener('paste', (event) => {
var paste = (event.clipboardData || window.clipboardData).getData('text');
io.setKeyBuffer(paste);
event.preventDefault();
});
window.addEventListener('copy', (event) => {
event.clipboardData.setData('text/plain', vm.getText());
event.preventDefault();
});
document.querySelectorAll('canvas').forEach(function(canvas) {
canvas.addEventListener('mousedown', function(evt) {
if (!gamepad) {
io.buttonDown(evt.which == 1 ? 0 : 1);
}
evt.preventDefault();
});
canvas.addEventListener('mouseup', function(evt) {
if (!gamepad) {
io.buttonUp(evt.which == 1 ? 0 : 1);
}
});
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canvas.addEventListener('contextmenu', function(evt) {
evt.preventDefault();
});
});
document.body.addEventListener('mousemove', _mousemove);
document.querySelectorAll('input,textarea').forEach(function(input) {
input.addEventListener('focus', function() { focused = true; });
input.addEventListener('blur', function() { focused = false; });
});
if (prefs.havePrefs()) {
document.querySelectorAll('#options-modal input[type=checkbox]').forEach(function(el) {
var val = prefs.readPref(el.id);
if (val) {
el.checked = JSON.parse(val);
}
el.addEventListener('change', function() {
prefs.writePref(el.id, JSON.stringify(el.checked));
});
});
document.querySelectorAll('#options-modal select').forEach(function(el) {
var val = prefs.readPref(el.id);
if (val) {
el.value = val;
}
el.addEventListener('change', function() {
prefs.writePref(el.id, el.value);
});
});
}
if (navigator.standalone) {
document.body.classList.add('standalone');
}
cpu.reset();
setInterval(updateKHz, 1000);
updateSound();
updateScreen();
updateCPU();
initGamepad();
// Check for disks in hashtag
var hash = gup('disk') || hup();
if (hash) {
_apple2.stop();
processHash(hash);
} else {
_apple2.run();
}
}