apple2js/js/ui/apple2.ts
Will Scullin b4c13d7620
Use AudioWorklet where available (#82)
Use AudioWorklet where available
2021-06-25 15:38:35 -07:00

913 lines
26 KiB
TypeScript

import MicroModal from 'micromodal';
import { base64_json_parse, base64_json_stringify } from '../base64';
import { Audio, SOUND_ENABLED_OPTION } from './audio';
import DriveLights from './drive_lights';
import { byte, DISK_FORMATS, includes, word } from '../types';
import { initGamepad, GamepadConfiguration } 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 { Apple2, Stats } from '../apple2';
import DiskII, { DriveNumber, DRIVE_NUMBERS } from '../cards/disk2';
import SmartPort from '../cards/smartport';
import CPU6502 from '../cpu6502';
import { VideoModes } from '../videomodes';
import Apple2IO from '../apple2io';
import { JSONDisk } from '../formats/format_utils';
import Printer from './printer';
import { OptionsModal } from './options_modal';
import { Screen } from './screen';
import { JoyStick } from './joystick';
import { System } from './system';
let paused = false;
let startTime = Date.now();
let lastCycles = 0;
let lastFrames = 0;
let lastRenderedFrames = 0;
let hashtag = document.location.hash;
const optionsModal = new OptionsModal();
interface DiskDescriptor {
name: string;
disk?: number;
filename: string;
e?: boolean;
category: string;
}
type DiskCollection = {
[name: string]: DiskDescriptor[]
};
const CIDERPRESS_EXTENSION = /#([0-9a-f]{2})([0-9a-f]{4})$/i;
const BIN_TYPES = ['bin'];
const KNOWN_FILE_TYPES = [
...DISK_FORMATS,
...TAPE_TYPES,
...BIN_TYPES,
] as readonly string[];
const disk_categories: DiskCollection = { 'Local Saves': [] };
const disk_sets: DiskCollection = {};
// Disk names
const disk_cur_name: string[] = [];
// Disk categories
const disk_cur_cat: string[] = [];
let _apple2: Apple2;
let cpu: CPU6502;
let stats: Stats;
let vm: VideoModes;
let tape: Tape;
let _disk2: DiskII;
let _smartPort: SmartPort;
let _printer: Printer;
let audio: Audio;
let screen: Screen;
let joystick: JoyStick;
let system: System;
let keyboard: KeyBoard;
let io: Apple2IO;
let _currentDrive: DriveNumber = 1;
let _e: boolean;
let ready: Promise<[void, void]>;
export const driveLights = new DriveLights();
export function dumpAppleSoftProgram() {
const dumper = new ApplesoftDump(cpu);
debug(dumper.toString());
}
export function compileAppleSoftProgram(program: string) {
const compiler = new ApplesoftCompiler(cpu);
compiler.compile(program);
dumpAppleSoftProgram();
}
export function openLoad(driveString: string, event: MouseEvent) {
const drive = parseInt(driveString, 10);
if (event.metaKey && includes(DRIVE_NUMBERS, drive)) {
openLoadHTTP(drive);
} else {
if (disk_cur_cat[drive]) {
const element = document.querySelector<HTMLSelectElement>('#category_select')!;
element.value = disk_cur_cat[drive];
selectCategory();
}
MicroModal.show('load-modal');
}
}
export function openSave(driveString: string, event: MouseEvent) {
const drive = parseInt(driveString, 10) as DriveNumber;
const mimeType = 'application/octet-stream';
const data = _disk2.getBinary(drive);
const a = document.querySelector<HTMLAnchorElement>('#local_save_link')!;
if (!data) {
alert('No data from drive ' + drive);
return;
}
const blob = new Blob([data], { 'type': mimeType });
a.href = window.URL.createObjectURL(blob);
a.download = driveLights.label(drive) + '.dsk';
if (event.metaKey) {
dumpDisk(drive);
} else {
const saveName = document.querySelector<HTMLInputElement>('#save_name')!;
saveName.value = driveLights.label(drive);
MicroModal.show('save-modal');
}
}
export function openAlert(msg: string) {
const el = document.querySelector<HTMLDivElement>('#alert-modal .message')!;
el.innerText = msg;
MicroModal.show('alert-modal');
}
/********************************************************************
*
* Drag and Drop
*/
export function handleDragOver(_drive: number, event: DragEvent) {
event.preventDefault();
event.dataTransfer!.dropEffect = 'copy';
}
export function handleDragEnd(_drive: number, event: DragEvent) {
const dt = event.dataTransfer!;
if (dt.items) {
for (let i = 0; i < dt.items.length; i++) {
dt.items.remove(i);
}
} else {
dt.clearData();
}
}
export function handleDrop(drive: number, event: DragEvent) {
event.preventDefault();
event.stopPropagation();
if (drive < 1) {
if (!_disk2.getMetadata(1)) {
drive = 1;
} else if (!_disk2.getMetadata(2)) {
drive = 2;
} else {
drive = 1;
}
}
const dt = event.dataTransfer!;
if (dt.files.length == 1) {
const runOnLoad = event.shiftKey;
doLoadLocal(drive as DriveNumber, dt.files[0], { runOnLoad });
} else if (dt.files.length == 2) {
doLoadLocal(1, dt.files[0]);
doLoadLocal(2, dt.files[1]);
} else {
for (let idx = 0; idx < dt.items.length; idx++) {
if (dt.items[idx].type === 'text/uri-list') {
dt.items[idx].getAsString(function (url) {
const parts = document.location.hash.split('|');
parts[drive - 1] = url;
document.location.hash = parts.join('|');
});
}
}
}
}
function loadingStart() {
const meter = document.querySelector<HTMLDivElement>('#loading-modal .meter')!;
meter.style.display = 'none';
MicroModal.show('loading-modal');
}
function loadingProgress(current: number, total: number) {
if (total) {
const meter = document.querySelector<HTMLDivElement>('#loading-modal .meter')!;
const progress = document.querySelector<HTMLDivElement>('#loading-modal .progress')!;
meter.style.display = 'block';
progress.style.width = current / total * meter.clientWidth + 'px';
}
}
function loadingStop() {
MicroModal.close('loading-modal');
if (!paused) {
ready.then(() => {
_apple2.run();
}).catch(console.error);
}
}
interface JSONBinaryImage {
type: 'binary',
start: word,
length: word,
data: byte[],
gamepad?: GamepadConfiguration,
}
export function loadAjax(drive: DriveNumber, url: string) {
loadingStart();
fetch(url).then(function (response: Response) {
if (response.ok) {
return response.json();
} else {
throw new Error('Error loading: ' + response.statusText);
}
}).then(function (data: JSONDisk | JSONBinaryImage) {
if (data.type === 'binary') {
loadBinary(data as JSONBinaryImage);
} else if (includes(DISK_FORMATS, data.type)) {
loadDisk(drive, data);
}
initGamepad(data.gamepad);
loadingStop();
}).catch(function (error) {
loadingStop();
openAlert(error.message);
});
}
export function doLoad(event: MouseEvent|KeyboardEvent) {
MicroModal.close('load-modal');
const select = document.querySelector<HTMLSelectElement>('#disk_select')!;
const urls = select.value;
let url;
if (urls && urls.length) {
if (typeof (urls) == 'string') {
url = urls;
} else {
url = urls[0];
}
}
const localFile = document.querySelector<HTMLInputElement>('#local_file')!;
const files = localFile.files;
if (files && files.length == 1) {
const runOnLoad = event.shiftKey;
doLoadLocal(_currentDrive, files[0], { runOnLoad });
} else if (url) {
let filename;
MicroModal.close('load-modal');
if (url.substr(0, 6) == 'local:') {
filename = url.substr(6);
if (filename == '__manage') {
openManage();
} else {
loadLocalStorage(_currentDrive, filename);
}
} else {
const r1 = /json\/disks\/(.*).json$/.exec(url);
if (r1) {
filename = r1[1];
} else {
filename = url;
}
const parts = document.location.hash.split('|');
parts[_currentDrive - 1] = filename;
document.location.hash = parts.join('|');
}
}
}
export function doSave() {
const saveName = document.querySelector<HTMLInputElement>('#save_name')!;
const name = saveName.value;
saveLocalStorage(_currentDrive, name);
MicroModal.close('save-modal');
window.setTimeout(() => openAlert('Saved'), 0);
}
export function doDelete(name: string) {
if (window.confirm('Delete ' + name + '?')) {
deleteLocalStorage(name);
}
}
interface LoadOptions {
address?: word,
runOnLoad?: boolean,
}
function doLoadLocal(drive: DriveNumber, file: File, options: Partial<LoadOptions> = {}) {
const parts = file.name.split('.');
const ext = parts[parts.length - 1].toLowerCase();
const matches = file.name.match(CIDERPRESS_EXTENSION);
let type, aux;
if (matches && matches.length === 3) {
[, type, aux] = matches;
}
if (includes(DISK_FORMATS, ext)) {
doLoadLocalDisk(drive, file);
} else if (includes(TAPE_TYPES, ext)) {
tape.doLoadLocalTape(file);
} else if (BIN_TYPES.includes(ext) || type === '06' || options.address) {
const address = aux !== undefined ? parseInt(aux, 16) : undefined;
doLoadBinary(file, { address, ...options });
} else {
const addressInput = document.querySelector<HTMLInputElement>('#local_file_address');
const addressStr = addressInput?.value;
if (addressStr) {
const address = parseInt(addressStr, 16);
if (isNaN(address)) {
openAlert('Invalid address: ' + addressStr);
return;
}
doLoadBinary(file, { address, ...options });
} else {
openAlert('Unknown file type: ' + ext);
}
}
}
function doLoadBinary(file: File, options: LoadOptions) {
loadingStart();
const fileReader = new FileReader();
fileReader.onload = function () {
const result = this.result as ArrayBuffer;
let { address } = options;
address = address ?? 0x2000;
const bytes = new Uint8Array(result);
for (let idx = 0; idx < result.byteLength; idx++) {
cpu.write(address >> 8, address & 0xff, bytes[idx]);
address++;
}
if (options.runOnLoad) {
cpu.reset();
cpu.setPC(address);
}
loadingStop();
};
fileReader.readAsArrayBuffer(file);
}
function doLoadLocalDisk(drive: DriveNumber, file: File) {
loadingStart();
const fileReader = new FileReader();
fileReader.onload = function () {
const result = this.result as ArrayBuffer;
const parts = file.name.split('.');
const ext = parts.pop()!.toLowerCase();
const name = parts.join('.');
// Remove any json file reference
const files = document.location.hash.split('|');
files[drive - 1] = '';
document.location.hash = files.join('|');
if (result.byteLength >= 800 * 1024) {
if (_smartPort.setBinary(drive, name, ext, result)) {
initGamepad();
}
} else {
if (includes(DISK_FORMATS, ext)
&& _disk2.setBinary(drive, name, ext, result)) {
initGamepad();
} else {
openAlert(`Unable to load ${name}`);
}
}
loadingStop();
};
fileReader.readAsArrayBuffer(file);
}
export function doLoadHTTP(drive: DriveNumber, url?: string) {
if (!url) {
MicroModal.close('http-modal');
}
loadingStart();
const input = document.querySelector<HTMLInputElement>('#http_url')!;
url = url || input.value;
if (url) {
fetch(url).then(function (response) {
if (response.ok) {
const reader = response!.body!.getReader();
let received = 0;
const chunks: Uint8Array[] = [];
const contentLength = parseInt(response.headers.get('content-length')!, 10);
return reader.read().then(
function readChunk(result): Promise<ArrayBufferLike> {
if (result.done) {
const data = new Uint8Array(received);
let offset = 0;
for (let idx = 0; idx < chunks.length; idx++) {
data.set(chunks[idx], offset);
offset += chunks[idx].length;
}
return Promise.resolve(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) {
const urlParts = url!.split('/');
const file = urlParts.pop()!;
const fileParts = file.split('.');
const ext = fileParts.pop()!.toLowerCase();
const name = decodeURIComponent(fileParts.join('.'));
if (data.byteLength >= 800 * 1024) {
if (_smartPort.setBinary(drive, name, ext, data)) {
initGamepad();
}
} else {
if (includes(DISK_FORMATS, ext)) {
if (_disk2.setBinary(drive, name, ext, data)) {
initGamepad();
}
} else {
throw new Error(`Extension ${ext} not recognized.`);
}
}
loadingStop();
}).catch(function (error) {
loadingStop();
openAlert(error.message);
});
}
}
function openLoadHTTP(drive: DriveNumber) {
_currentDrive = drive;
MicroModal.show('http-modal');
}
function openManage() {
MicroModal.show('manage-modal');
}
let showStats = 0;
export function updateKHz() {
const now = Date.now();
const ms = now - startTime;
const cycles = cpu.getCycles();
let delta;
let fps;
let khz;
const kHzElement = document.querySelector<HTMLDivElement>('#khz')!;
switch (showStats) {
case 0: {
delta = cycles - lastCycles;
khz = Math.trunc(delta / ms);
kHzElement.innerText = khz + ' kHz';
break;
}
case 1: {
delta = stats.renderedFrames - lastRenderedFrames;
fps = Math.trunc(delta / (ms / 1000));
kHzElement.innerText = fps + ' rps';
break;
}
default: {
delta = stats.frames - lastFrames;
fps = Math.trunc(delta / (ms / 1000));
kHzElement.innerText = fps + ' fps';
}
}
startTime = now;
lastCycles = cycles;
lastRenderedFrames = stats.renderedFrames;
lastFrames = stats.frames;
}
export function toggleShowFPS() {
showStats = ++showStats % 3;
}
export function toggleSound() {
const on = !audio.isEnabled();
optionsModal.setOption(SOUND_ENABLED_OPTION, on);
updateSoundButton(on);
}
function initSoundToggle() {
updateSoundButton(audio.isEnabled());
}
function updateSoundButton(on: boolean) {
const label = document.querySelector<HTMLDivElement>('#toggle-sound i')!;
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: DriveNumber) {
const 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: JSONBinaryImage) {
const maxLen = Math.min(bin.length, 0x10000 - bin.start);
for (let idx = 0; idx < maxLen; idx++) {
const pos = bin.start + idx;
cpu.write(pos, bin.data[idx]);
}
cpu.reset();
cpu.setPC(bin.start);
}
export function selectCategory() {
const diskSelect = document.querySelector<HTMLSelectElement>('#disk_select')!;
const categorySelect = document.querySelector<HTMLSelectElement>('#category_select')!;
diskSelect.innerHTML = '';
const cat = disk_categories[categorySelect.value];
if (cat) {
for (let idx = 0; idx < cat.length; idx++) {
const file = cat[idx];
let name = file.name;
if (file.disk) {
name += ' - ' + file.disk;
}
const option = document.createElement('option');
option.value = file.filename;
option.innerText = name;
diskSelect.append(option);
if (disk_cur_name[_currentDrive] === name) {
option.selected = true;
}
}
}
}
export function selectDisk() {
const localFile = document.querySelector<HTMLInputElement>('#local_file')!;
localFile.value = '';
}
export function clickDisk(event: MouseEvent|KeyboardEvent) {
doLoad(event);
}
/** Called to load disks from the local catalog. */
function loadDisk(drive: DriveNumber, disk: JSONDisk) {
let name = disk.name;
const category = disk.category!; // all disks in the local catalog have a category
if (disk.disk) {
name += ' - ' + disk.disk;
}
disk_cur_cat[drive] = category;
disk_cur_name[drive] = name;
_disk2.setDisk(drive, disk);
initGamepad(disk.gamepad);
}
/*
* LocalStorage Disk Storage
*/
function updateLocalStorage() {
const diskIndex = JSON.parse(window.localStorage.diskIndex || '{}');
const names = Object.keys(diskIndex);
const cat: DiskDescriptor[] = disk_categories['Local Saves'] = [];
const contentDiv = document.querySelector<HTMLDivElement>('#manage-modal-content')!;
contentDiv.innerHTML = '';
names.forEach(function (name) {
cat.push({
'category': 'Local Saves',
'name': name,
'filename': 'local:' + name
});
contentDiv.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'
});
}
type LocalDiskIndex = {
[name: string]: string,
}
function saveLocalStorage(drive: DriveNumber, name: string) {
const diskIndex = JSON.parse(window.localStorage.diskIndex || '{}') as LocalDiskIndex;
const json = _disk2.getJSON(drive);
diskIndex[name] = json;
window.localStorage.diskIndex = JSON.stringify(diskIndex);
driveLights.label(drive, name);
driveLights.dirty(drive, false);
updateLocalStorage();
}
function deleteLocalStorage(name: string) {
const diskIndex = JSON.parse(window.localStorage.diskIndex || '{}') as LocalDiskIndex;
if (diskIndex[name]) {
delete diskIndex[name];
openAlert('Deleted');
}
window.localStorage.diskIndex = JSON.stringify(diskIndex);
updateLocalStorage();
}
function loadLocalStorage(drive: DriveNumber, name: string) {
const diskIndex = JSON.parse(window.localStorage.diskIndex || '{}') as LocalDiskIndex;
if (diskIndex[name]) {
_disk2.setJSON(drive, diskIndex[name]);
driveLights.label(drive, name);
driveLights.dirty(drive, false);
}
}
if (window.localStorage !== undefined) {
const nodes = document.querySelectorAll<HTMLElement>('.disksave');
nodes.forEach(function (el) {
el.style.display = 'inline-block';
});
}
const categorySelect = document.querySelector<HTMLSelectElement>('#category_select')!;
declare global {
interface Window {
disk_index: DiskDescriptor[];
e: boolean;
}
}
function buildDiskIndex() {
let oldCat = '';
let option;
for (let idx = 0; idx < window.disk_index.length; idx++) {
const file = window.disk_index[idx];
const cat = file.category;
const name = file.name;
const disk = file.disk;
if (file.e && !_e) {
continue;
}
if (cat != oldCat) {
option = document.createElement('option');
option.value = cat;
option.innerText = cat;
categorySelect.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';
categorySelect.append(option);
updateLocalStorage();
}
/**
* Processes the URL fragment. It is expected to be of the form:
* `disk1|disk2` where each disk is the name of a local image OR
* a URL.
*/
function processHash(hash: string) {
const files = hash.split('|');
for (let idx = 0; idx < Math.min(2, files.length); idx++) {
const drive = idx + 1;
if (!includes(DRIVE_NUMBERS, drive)) {
break;
}
const file = files[idx];
if (file.indexOf('://') > 0) {
const parts = file.split('.');
const ext = parts[parts.length - 1].toLowerCase();
if (ext == 'json') {
loadAjax(drive, file);
} else {
doLoadHTTP(drive, file);
}
} else if (file) {
loadAjax(drive, 'json/disks/' + file + '.json');
}
}
}
export function updateUI() {
if (document.location.hash != hashtag) {
hashtag = document.location.hash;
const hash = hup();
if (hash) {
processHash(hash);
}
}
}
export function pauseRun() {
const label = document.querySelector<HTMLElement>('#pause-run i')!;
if (paused) {
ready.then(() => {
_apple2.run();
}).catch(console.error);
label.classList.remove('fa-play');
label.classList.add('fa-pause');
} else {
_apple2.stop();
label.classList.remove('fa-pause');
label.classList.add('fa-play');
}
paused = !paused;
}
export function openOptions() {
optionsModal.openModal();
}
export function openPrinterModal() {
const mimeType = 'application/octet-stream';
const data = _printer.getRawOutput();
const a = document.querySelector<HTMLAnchorElement>('#raw_printer_output')!;
const blob = new Blob([data], { 'type': mimeType });
a.href = window.URL.createObjectURL(blob);
a.download = 'raw_printer_output.bin';
MicroModal.show('printer-modal');
}
export function clearPrinterPaper() {
_printer.clear();
}
declare global {
interface Window {
clipboardData?: DataTransfer;
}
interface Event {
clipboardData?: DataTransfer;
}
interface Navigator {
standalone?: boolean;
}
}
function onLoaded(apple2: Apple2, disk2: DiskII, smartPort: SmartPort, printer: Printer, e: boolean) {
_apple2 = apple2;
cpu = _apple2.getCPU();
io = _apple2.getIO();
stats = apple2.getStats();
vm = apple2.getVideoModes();
tape = new Tape(io);
_disk2 = disk2;
_smartPort = smartPort;
_printer = printer;
_e = e;
system = new System(io, e);
optionsModal.addOptions(system);
joystick = new JoyStick(io);
optionsModal.addOptions(joystick);
screen = new Screen(vm);
optionsModal.addOptions(screen);
audio = new Audio(io);
optionsModal.addOptions(audio);
initSoundToggle();
ready = Promise.all([audio.ready, apple2.ready]);
MicroModal.init();
keyboard = new KeyBoard(cpu, io, e);
keyboard.create('#keyboard');
keyboard.setFunction('F1', () => cpu.reset());
keyboard.setFunction('F2', screen.enterFullScreen);
keyboard.setFunction('F3', () => io.keyDown(0x1b)); // Escape
keyboard.setFunction('F6', () => {
window.localStorage.state = base64_json_stringify(_apple2.getState());
});
keyboard.setFunction('F9', () => {
if (window.localStorage.state) {
_apple2.setState(base64_json_parse(window.localStorage.state));
}
});
buildDiskIndex();
/*
* Input Handling
*/
window.addEventListener('paste', (event: Event) => {
const paste = (event.clipboardData || window.clipboardData)!.getData('text');
io.setKeyBuffer(paste);
event.preventDefault();
});
window.addEventListener('copy', (event: Event) => {
event.clipboardData!.setData('text/plain', vm.getText());
event.preventDefault();
});
if (navigator.standalone) {
document.body.classList.add('standalone');
}
cpu.reset();
setInterval(updateKHz, 1000);
initGamepad();
// Check for disks in hashtag
const hash = gup('disk') || hup();
if (hash) {
_apple2.stop();
processHash(hash);
} else {
ready.then(() => {
_apple2.run();
}).catch(console.error);
}
document.querySelector<HTMLInputElement>('#local_file')?.addEventListener(
'change',
(event: Event) => {
const target = event.target as HTMLInputElement;
const address = document.querySelector<HTMLInputElement>('#local_file_address_input')!;
const parts = target.value.split('.');
const ext = parts[parts.length - 1];
if (KNOWN_FILE_TYPES.includes(ext)) {
address.style.display = 'none';
} else {
address.style.display = 'inline-block';
}
}
);
}
export function initUI(apple2: Apple2, disk2: DiskII, smartPort: SmartPort, printer: Printer, e: boolean) {
window.addEventListener('load', () => {
onLoaded(apple2, disk2, smartPort, printer, e);
});
}