This repository has been archived by the owner on Oct 14, 2022. It is now read-only.
forked from libretro/vba-next
-
Notifications
You must be signed in to change notification settings - Fork 23
/
Copy pathindex.html
819 lines (708 loc) · 28.4 KB
/
index.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="viewport" content="user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width, height=device-height">
<link rel="apple-touch-icon" href="icon.png">
<title>GBA Player</title>
</head>
<body>
<style>
a,
a:visited {
color: white;
}
html,
body {
position: fixed;
overflow: hidden;
-webkit-user-select: none;
user-select: none;
-webkit-touch-callout:none;
touch-action: none;
cursor: inherit;
}
body {
background-color: #000000;
color: #FFFFFF;
padding: 0;
margin: 0;
width: 100vw;
height: 100vh;
font-family: 'Myriad Set Pro','Helvetica Neue',Helvetica,Arial,sans-serif;
}
hr {
color: white;
}
button {
border: 2px solid white;
background: transparent;
color: white;
padding: .5em;
}
.vk-round {
text-align: center;
vertical-align: middle;
border-radius: 50%;
display: inline-block;
}
.vk {
color: rgba(0, 0, 0, 0.2);
background-color: rgba(255, 255, 255, 0.25);
position: absolute;
z-index: 1;
text-align: center;
vertical-align: middle;
display: inline-block;
}
.vk-hide {
background-color: transparent !important
}
.vk-touched {
background-color: rgba(255, 255, 255, 0.75) !important
}
.menu {
background: rgb(32,43,56);
position: absolute;
left: 0;
top: 0;
width: 100vw;
height: 100vh;
z-index: 999;
}
#gba-canvas {
position: absolute;
z-index: -1;
image-rendering: pixelated;
}
#vk-layer {
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
z-index: 3;
touch-action: none;
}
#msg-layer {
position: absolute;
left: 0;
width: 100%;
top: 40vh;
background:rgba(0,0,0,0.5);
z-index: 2;
}
</style>
<div id="pause-menu" class="menu" style="background: rgba(32,43,56,0.7);" hidden>
<h1><button onclick="setPauseMenu(false)"> ← Back </button>Game Paused</h1>
<hr>
Memory Hacking:<br>
<input id="cht-addr" value="0x">
<input id="cht-value">
<button onclick="chtReadBtn()">Read</button>
<button onclick="chtWriteBtn()">Write</button>
<hr>
Savegame management:<br>
<button onclick="savBackupBtn()">Backup</button>
<input type="file" id="sav-file" />
<button onclick="savRestoreBtn()">Restore</button>
</div>
<div id="welcome" class="menu">
<h2>GBA Player</h2>
<hr>
<div id="wasm-loading">
Loading WebAssembly, please wait...
</div>
<div id="select-rom" hidden>
<p>Select a homebrew game to start with:</p>
<select style="padding:.5em;" onchange="onHomebrewListSelected()" id="homebrew-list">
<option value=""></option>
<option value="goodBoyAdv">goodboyAdv</option>
<option value="powder118">powder118</option>
<option value="2004Mbit">2004Mbit</option>
</select>
<p>or choose your own file:<br><input style="padding:.5em; border:2px solid white;" type="file" id="romFile"
onchange="onFileSelected()" /></p>
</div>
<hr>
Ver. 20210114 | <a target="_blank"
href="https://github.com/44670/vba-next-wasm">https://github.com/44670/vba-next-wasm</a>
<div id="ios-hint" hidden>
Due to limitations of iOS, please <b>add this page to the home screen</b> and launch it from the home screen icon to enable features including savegame and full screen.
<p style="text-align: center;">👇</p>
</div>
</div>
<div id="msg-layer" hidden>
<p id="msg-text"></p>
</div>
<div id="vk-layer" hidden>
<div class="vk-rect vk" data-k="menu">Menu</div>
<div class="vk-rect vk" data-k="turbo">Turbo</div>
<div class="vk-rect vk" data-k="l">L</div>
<div class="vk-rect vk" data-k="r">R</div>
<div class="vk-round vk" data-k="a">A</div>
<div class="vk-round vk" data-k="b">B</div>
<div class="vk-rect vk" data-k="select">Select</div>
<div class="vk-rect vk" data-k="start">Start</div>
<div class=" vk" data-k="left">←</div>
<div class=" vk" data-k="right">→</div>
<div class=" vk" data-k="up">↑</div>
<div class=" vk" data-k="down">↓</div>
<div class=" vk vk-hide" style="background-color: transparent !important" data-k="ul"></div>
<div class=" vk vk-hide" style="background-color: transparent !important" data-k="ur"></div>
<div class=" vk vk-hide" style="background-color: transparent !important" data-k="dl"></div>
<div class=" vk vk-hide" style="background-color: transparent !important" data-k="dr"></div>
</div>
<canvas width="240" height="160" id="gba-canvas" style="touch-action: none;image-rendering: pixelated;"></canvas>
<script src="localforage.js?v=20191120"></script>
<script>
if (!window.WebAssembly) {
alert('Sorry, your browser does not support WebAssembly. :(')
}
window.onerror = function (msg, url, line, col, error) {
var extra = !col ? '' : '\ncolumn: ' + col;
extra += !error ? '' : '\nerror: ' + error;
alert("Error: " + msg + "\nurl: " + url + "\nline: " + line + extra);
window.onerror = console.log
debugger
return true;
};
var isIOS = !!navigator.platform && /iPad|iPhone|iPod/.test(navigator.platform);
var isWebApp = navigator.standalone || false
var isSaveSupported = true
if (isIOS) {
//document.getElementById('romFile').files = null;
if (!isWebApp) {
// On iOS Safari, the indexedDB will be cleared after 7 days.
// To prevent users from frustration, we don't allow savegaming on iOS unless the we are in the PWA mode.
isSaveSupported = false
alert('Due to limitations of iOS, please add this page to the home screen and launch it from the home screen icon to enable features including savegame and full screen.')
var divIosHint = document.getElementById('ios-hint')
divIosHint.hidden = false
divIosHint.style = 'position: absolute; bottom: '+ divIosHint.clientHeight + 'px;'
}
}
document.getElementById('homebrew-list').selectedIndex = 0
var keyState = {
};
const keyList = ["a", "b", "select", "start", "right", "left", 'up', 'down', 'r', 'l'];
const AUDIO_BLOCK_SIZE = 1024
const AUDIO_FIFO_MAXLEN = 4900
var audioContext
var scriptProcessor
var audioFifo0 = new Int16Array(AUDIO_FIFO_MAXLEN)
var audioFifo1 = new Int16Array(AUDIO_FIFO_MAXLEN)
var audioFifoHead = 0
var audioFifoCnt = 0
var fileInput = document.getElementById('romFile')
var canvas = document.getElementById('gba-canvas')
var drawContext = canvas.getContext('2d')
var romBuffer = -1
var idata
var isRunning = false
var isWasmReady = false
var wasmAudioBuf
var wasmSaveBuf
const wasmSaveBufLen = 0x20000 + 0x2000
var tmpSaveBuf = new Uint8Array(wasmSaveBufLen)
var frameCnt = 0
var last128FrameTime = 0
var lastFrameTime = 0
var frameSkip = 0
var lowLatencyMode = false
var lastCheckedSaveState = 0
var gameID
var romFileName
var turboMode = false
var turboInterval = -1
var gbaWidth
var gbaHeight
function processAudio(event) {
var outputBuffer = event.outputBuffer
var audioData0 = outputBuffer.getChannelData(0)
var audioData1 = outputBuffer.getChannelData(1)
if ((!isRunning) || (turboMode)) {
for (var i = 0; i < AUDIO_BLOCK_SIZE; i++) {
audioData0[i] = 0
audioData1[i] = 0
}
return
}
while (audioFifoCnt < AUDIO_BLOCK_SIZE) {
//console.log('audio fifo underflow, running a new frame')
emuRunFrame();
}
var copySize = AUDIO_BLOCK_SIZE
if (audioFifoCnt < copySize) {
copySize = audioFifoCnt
}
for (var i = 0; i < copySize; i++) {
audioData0[i] = audioFifo0[audioFifoHead] / 32768.0
audioData1[i] = audioFifo1[audioFifoHead] / 32768.0
audioFifoHead = (audioFifoHead + 1) % AUDIO_FIFO_MAXLEN
audioFifoCnt--
}
}
// must be called in user gesture
function tryInitSound() {
if (audioContext) {
if (audioContext.state != 'running') {
audioContext.resume()
}
return;
}
try {
audioContext = new (window.AudioContext || window.webkitAudioContext)({ latencyHint: 0.0001, sampleRate: 48000 });
scriptProcessor = audioContext.createScriptProcessor(AUDIO_BLOCK_SIZE, 0, 2)
scriptProcessor.onaudioprocess = processAudio
scriptProcessor.connect(audioContext.destination)
audioContext.resume()
} catch (e) {
console.log(e)
//alert('Cannnot init sound ')
}
}
function writeAudio(ptr, frames) {
//console.log(ptr, frames)
if (turboMode) {
return
}
if (!wasmAudioBuf) {
wasmAudioBuf = new Int16Array(Module.HEAPU8.buffer).subarray(ptr / 2, ptr / 2 + 2048)
}
var tail = (audioFifoHead + audioFifoCnt) % AUDIO_FIFO_MAXLEN
if (audioFifoCnt + frames >= AUDIO_FIFO_MAXLEN) {
console.log('audio fifo overflow (wow)', audioFifoCnt)
return
}
for (var i = 0; i < frames; i++) {
audioFifo0[tail] = wasmAudioBuf[i * 2]
audioFifo1[tail] = wasmAudioBuf[i * 2 + 1]
tail = (tail + 1) % AUDIO_FIFO_MAXLEN
}
audioFifoCnt += frames
}
function drawFrame(ptr) {
//console.log(ptr)
if (!idata) {
// assuming ptr is always same
idata = new ImageData(new Uint8ClampedArray(Module.HEAPU8.buffer).subarray(ptr, ptr + 240 * 160 * 4), 240, 160)
}
drawContext.putImageData(idata, 0, 0)
}
function wasmReady() {
romBuffer = Module._getBuffer(1)
var ptr = Module._getBuffer(0)
wasmSaveBuf = Module.HEAPU8.subarray(ptr, ptr + wasmSaveBufLen)
isWasmReady = true
document.getElementById('wasm-loading').hidden = true
document.getElementById('select-rom').hidden = false
}
function loadSaveGame(index, cb) {
console.log('load', gameID, index)
localforage.getItem(gameID + '-save-' + index, function (err, data) {
//console.log(err, data)
if (data) {
wasmSaveBuf.set(data)
clearSaveBufState()
cb(true)
} else {
clearSaveBufState()
cb(false)
}
})
}
function saveSaveGame(index, cb) {
console.log('save', gameID, index)
tmpSaveBuf.set(wasmSaveBuf)
localforage.setItem(gameID + '-save-' + index, tmpSaveBuf, function (err, data) {
cb(true)
})
}
function savBackupBtn() {
var blob = new Blob([wasmSaveBuf], { type: "application/binary" });
var link = document.createElement("a");
link.href = window.URL.createObjectURL(blob);
link.download = 'save-' + gameID + '.44gbasav';
link.click();
}
function savRestoreBtn() {
var file = document.getElementById('sav-file').files[0]
if (file) {
var fileReader = new FileReader()
fileReader.onload = function (event) {
var arrayBuffer = event.target.result
var u8 = new Uint8Array(arrayBuffer)
wasmSaveBuf.set(u8)
alert('sav file loaded')
Module._resetCpu()
clearSaveBufState()
};
fileReader.readAsArrayBuffer(file)
}
}
function loadRomArrayBuffer(arrayBuffer) {
isRunning = false
console.log(arrayBuffer)
var u8 = new Uint8Array(arrayBuffer)
gameID = ""
if (u8[0xB2] != 0x96) {
alert('Not a valid GBA ROM!')
return
}
for (var i = 0xAC; i < 0xB2; i++) {
console.log(u8[i])
gameID += String.fromCharCode(u8[i])
}
if ((u8[0xAC] == 0) || (gameID.substr(0, 4) == '0000')) {
// a homebrew! use file name as id
gameID = romFileName
}
console.log('gameID', gameID)
Module.HEAPU8.set(u8, romBuffer)
var ret = Module._loadRom(u8.length)
document.getElementById('welcome').hidden = true
loadSaveGame(0, function () {
Module._resetCpu()
isRunning = true
})
}
function onHomebrewListSelected() {
if (!isWasmReady) {
alert('WASM not ready!')
return
}
tryInitSound()
var fn = document.getElementById('homebrew-list').value
if (fn == '') {
return
}
romFileName = fn
document.getElementById('select-rom').innerText = 'Downloading...'
fetch('roms/' + fn + '.gba').then(function (resp) {
resp.arrayBuffer().then(function (ab) {
loadRomArrayBuffer(ab)
})
});
}
function onFileSelected() {
if (!isWasmReady) {
alert('WASM not ready!')
return
}
tryInitSound()
var file = fileInput.files[0]
if (file) {
romFileName = file.name
var arrayBuffer
var fileReader = new FileReader()
fileReader.onload = function (event) {
var arrayBuffer = event.target.result
loadRomArrayBuffer(arrayBuffer)
};
fileReader.readAsArrayBuffer(file)
}
}
function emuRunFrame() {
if (isRunning) {
frameCnt++
if (frameCnt % 60 == 0) {
checkSaveBufState()
}
if (frameCnt % 128 == 0) {
if (last128FrameTime) {
var diff = performance.now() - last128FrameTime
var frameInMs = diff / 128
var fps = -1
if (frameInMs > 0.001) {
fps = 1000 / frameInMs
}
console.log('fps', fps)
}
last128FrameTime = performance.now()
}
lastFrameTime = performance.now()
Module._runFrame(getVKState());
}
}
function emuLoop() {
window.requestAnimationFrame(emuLoop)
emuRunFrame()
}
emuLoop()
function initVK() {
var vks = document.getElementsByClassName('vk')
for (var i = 0; i < vks.length; i++) {
var vk = vks[i]
var k = vks[i].getAttribute('data-k')
keyState[k] = [vk, 0, 0]
}
}
initVK()
function makeVKStyle(top, left, w, h, fontSize) {
return 'top:' + top + 'px;left:' + left + 'px;width:' + w + 'px;height:' + h + 'px;' + 'font-size:' + fontSize + 'px;line-height:' + h + 'px;'
}
function adjustVKLayout() {
var isLandscape = window.innerWidth > window.innerHeight
var baseSize = Math.min(Math.min(window.innerWidth, window.innerHeight) * 0.14, 50)
var fontSize = baseSize * 0.7
var offTop = 0
var offLeft = 0
if (!isLandscape) {
offTop = gbaHeight + baseSize
if ((offTop + baseSize * 7) > window.innerHeight) {
offTop = 0
}
}
var vkw = baseSize * 3
var vkh = baseSize
keyState['l'][0].style = makeVKStyle(offTop + baseSize * 1.5, 0, vkw, vkh, fontSize)
keyState['r'][0].style = makeVKStyle(offTop + baseSize * 1.5, window.innerWidth - vkw, vkw, vkh, fontSize)
vkh = baseSize * 0.5
keyState['turbo'][0].style = makeVKStyle(offTop + baseSize * 0.5, 0, vkw, vkh, fontSize)
keyState['menu'][0].style = makeVKStyle(offTop + baseSize * 0.5, window.innerWidth - vkw, vkw, vkh, fontSize)
vkh = baseSize
vkw = baseSize
offTop += baseSize * 3
/*
offLeft = isLandscape ? (baseSize * 1) : 0
if (baseSize * 6 > window.innerWidth) {
offLeft = 0
}*/
offLeft = 0
keyState['up'][0].style = makeVKStyle(offTop, offLeft + vkw, vkw, vkh, fontSize)
keyState['ul'][0].style = makeVKStyle(offTop, offLeft, vkw, vkh, fontSize)
keyState['ur'][0].style = makeVKStyle(offTop, offLeft + vkw * 2, vkw, vkh, fontSize)
keyState['down'][0].style = makeVKStyle(offTop + vkh * 2, offLeft + vkw, vkw, vkh, fontSize)
keyState['dl'][0].style = makeVKStyle(offTop + vkh * 2, offLeft, vkw, vkh, fontSize)
keyState['dr'][0].style = makeVKStyle(offTop + vkh * 2, offLeft + vkw * 2, vkw, vkh, fontSize)
keyState['left'][0].style = makeVKStyle(offTop + vkh, offLeft + 0, vkw, vkh, fontSize)
keyState['right'][0].style = makeVKStyle(offTop + vkh, offLeft + vkw * 2, vkw, vkh, fontSize)
abSize = vkw * 1.3
keyState['a'][0].style = makeVKStyle(offTop + vkh - baseSize * 0.5, window.innerWidth - abSize, abSize, abSize, fontSize)
keyState['b'][0].style = makeVKStyle(offTop + vkh, window.innerWidth - abSize * 2.4, abSize, abSize, fontSize)
vkh = baseSize * 0.5
vkw = baseSize * 3
offLeft = (window.innerWidth - vkw * 2.2) / 2
offTop += baseSize * 3 + baseSize * 0.5
if (isLandscape) {
offTop = window.innerHeight - vkh
}
keyState['select'][0].style = makeVKStyle(offTop, offLeft , vkw, vkh, fontSize)
keyState['start'][0].style = makeVKStyle(offTop, offLeft + vkw * 1.2 , vkw, vkh, fontSize)
}
function adjustSize() {
var gbaMaxWidth = window.innerWidth
var gbaMaxHeight = window.innerHeight - 20
var l = 0
var w = gbaMaxWidth
var h = w / 240 * 160
if (h > gbaMaxHeight) {
h = gbaMaxHeight
w = h / 160 * 240
}
var scaleFator = (w / 240) // | 0
gbaWidth = 240 * scaleFator
gbaHeight = 160 * scaleFator
l += (window.innerWidth - gbaWidth) / 2;
canvas.style = 'width:' + gbaWidth + 'px;height:' + gbaHeight + 'px;left:' + l + 'px;'
adjustVKLayout()
}
window.onresize = adjustSize
window.onorientationchange = adjustSize
adjustSize()
function handleTouch(event) {
tryInitSound()
if (!isRunning) {
return
}
event.preventDefault();
event.stopPropagation();
document.getElementById('vk-layer').hidden = false
for (var k in keyState) {
keyState[k][2] = 0
}
for (var i = 0; i < event.touches.length; i++) {
var t = event.touches[i];
var dom = document.elementFromPoint(t.clientX, t.clientY)
if (dom) {
var k = dom.getAttribute('data-k')
if (k) {
keyState[k][2] = 1
if (k == 'ul') {
keyState['up'][2] = 1
keyState['left'][2] = 1
} else if (k == 'ur') {
keyState['up'][2] = 1
keyState['right'][2] = 1
} else if (k == 'dl') {
keyState['down'][2] = 1
keyState['left'][2] = 1
} else if (k == 'dr') {
keyState['down'][2] = 1
keyState['right'][2] = 1
}
}
}
}
if (keyState['menu'][2]) {
setPauseMenu(true)
}
if (keyState['turbo'][2] != keyState['turbo'][1]) {
setTurboMode(keyState['turbo'][2])
}
for (var k in keyState) {
if (keyState[k][1] != keyState[k][2]) {
var dom = keyState[k][0]
keyState[k][1] = keyState[k][2]
if (keyState[k][1]) {
dom.classList.add('vk-touched')
} else {
dom.classList.remove('vk-touched')
}
}
}
}
/*
// dunno why, but we should do that first on iOS
window.ontouchstart = function() {
};
window.ontouchstart = handleTouch;
window.ontouchmove = handleTouch;
window.ontouchcancel = handleTouch;
window.ontouchend = handleTouch;*/
//'touchcancel', , 'touchforcechange'
['touchstart', 'touchmove', 'touchend', 'touchcancel', 'touchenter', 'touchleave'].forEach((val) => {
window.addEventListener(val, handleTouch)
})
document.getElementById('vk-layer').ontouchstart = (e) => {
e.preventDefault()
}
function getVKState() {
var ret = 0;
for (var i = 0; i < 10; i++) {
ret = ret | (keyState[keyList[i]][1] << i);
}
return ret;
}
function convertKeyCode(keyCode) {
const keymap = [90, 88, 8, 13, 39, 37, 38, 40, 17, 16]
//8bitdo Zero2 in Keyboard Mode
const keymap2 = [71, 74, 78, 79, 70, 69, 67, 68, 77, 75]
for (var i = 0; i < 10; i++) {
if (keyCode == keymap[i]) {
return i
}
if (keyCode == keymap2[i]) {
return i
}
}
return -1
}
document.onkeydown = function (e) {
tryInitSound()
console.log(e.keyCode)
if (!isRunning) {
return
}
e.preventDefault()
var k = convertKeyCode(e.keyCode)
if (k >= 0) {
keyState[keyList[k]][1] = 1
}
}
document.onkeyup = function (e) {
if (!isRunning) {
return
}
e.preventDefault()
var k = convertKeyCode(e.keyCode)
if (k >= 0) {
keyState[keyList[k]][1] = 0
}
if (e.keyCode == 27) {
setPauseMenu(true)
}
}
function checkSaveBufState() {
if (!isRunning) {
return;
}
var state = Module._updateSaveBufState()
//console.log(state)
if ((lastCheckedSaveState == 1) && (state == 0) && (isSaveSupported)) {
showMsg('Auto saving, please wait...')
saveSaveGame(0, function () {
console.log('save done')
})
}
lastCheckedSaveState = state
}
function clearSaveBufState() {
lastCheckedSaveState = 0
Module._updateSaveBufState()
}
function showMsg(msg) {
document.getElementById('msg-text').innerText = msg
document.getElementById('msg-layer').hidden = false
setTimeout(function () {
document.getElementById('msg-layer').hidden = true
}, 1000)
}
function setTurboMode(t) {
t = t ? true : false
if (turboMode == t) {
return
}
if (t) {
turboInterval = setInterval(emuRunFrame, 2)
} else {
clearInterval(turboInterval)
}
turboMode = t
}
function setPauseMenu(t) {
t = t ? true : false
isRunning = !t
document.getElementById('pause-menu').hidden = !t
}
localforage.ready().then(function () { }).catch(function (err) {
alert('Save storage not supported: ' + err);
})
function chtWriteBtn() {
var addr = parseInt(document.getElementById('cht-addr').value)
if (!addr) {
alert('Invalid addr'); return
}
Module._writeU32(addr,
parseInt(document.getElementById('cht-value').value))
}
function chtReadBtn() {
var addr = parseInt(document.getElementById('cht-addr').value)
if (!addr) {
alert('Invalid addr'); return
}
var val = Module._readU32(addr) >>> 0
document.getElementById('cht-value').value = '0x' + val.toString(16)
}
window.addEventListener("gamepadconnected", function (e) {
console.log("Gamepad connected")
});
if ('serviceWorker' in navigator) {
window.addEventListener('load', function () {
navigator.serviceWorker.register('sw.js').then(function (registration) {
// Registration was successful
console.log('ServiceWorker registration successful with scope: ', registration.scope);
}, function (err) {
// registration failed :(
console.log('ServiceWorker registration failed: ', err);
});
});
}
</script>
<script src="a.out.js?v=20210114"></script>
</body>
</html>