2019-09-05 01:42:09 +00:00
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import { debug } from '../util';
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export default function ACI(cpu, cb) {
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var _last = cpu.cycles();
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var _next = _last;
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var _recording = false;
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var _readOffset = 0;
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var _flip = false;
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var _beKind = false;
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var _progress = 0;
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var rom = [
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0xA9,0xAA,0x20,0xEF,0xFF,0xA9,0x8D,0x20,
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0xEF,0xFF,0xA0,0xFF,0xC8,0xAD,0x11,0xD0,
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0x10,0xFB,0xAD,0x10,0xD0,0x99,0x00,0x02,
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0x20,0xEF,0xFF,0xC9,0x9B,0xF0,0xE1,0xC9,
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0x8D,0xD0,0xE9,0xA2,0xFF,0xA9,0x00,0x85,
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0x24,0x85,0x25,0x85,0x26,0x85,0x27,0xE8,
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0xBD,0x00,0x02,0xC9,0xD2,0xF0,0x56,0xC9,
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0xD7,0xF0,0x35,0xC9,0xAE,0xF0,0x27,0xC9,
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0x8D,0xF0,0x20,0xC9,0xA0,0xF0,0xE8,0x49,
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0xB0,0xC9,0x0A,0x90,0x06,0x69,0x88,0xC9,
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0xFA,0x90,0xAD,0x0A,0x0A,0x0A,0x0A,0xA0,
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0x04,0x0A,0x26,0x24,0x26,0x25,0x88,0xD0,
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0xF8,0xF0,0xCC,0x4C,0x1A,0xFF,0xA5,0x24,
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0x85,0x26,0xA5,0x25,0x85,0x27,0xB0,0xBF,
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0xA9,0x40,0x20,0xCC,0xC1,0x88,0xA2,0x00,
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0xA1,0x26,0xA2,0x10,0x0A,0x20,0xDB,0xC1,
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0xD0,0xFA,0x20,0xF1,0xC1,0xA0,0x1E,0x90,
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0xEC,0xA6,0x28,0xB0,0x98,0x20,0xBC,0xC1,
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0xA9,0x16,0x20,0xCC,0xC1,0x20,0xBC,0xC1,
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0xA0,0x1F,0x20,0xBF,0xC1,0xB0,0xF9,0x20,
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0xBF,0xC1,0xA0,0x3A,0xA2,0x08,0x48,0x20,
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0xBC,0xC1,0x68,0x2A,0xA0,0x39,0xCA,0xD0,
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0xF5,0x81,0x26,0x20,0xF1,0xC1,0xA0,0x35,
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0x90,0xEA,0xB0,0xCD,0x20,0xBF,0xC1,0x88,
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0xAD,0x81,0xC0,0xC5,0x29,0xF0,0xF8,0x85,
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0x29,0xC0,0x80,0x60,0x86,0x28,0xA0,0x42,
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0x20,0xE0,0xC1,0xD0,0xF9,0x69,0xFE,0xB0,
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0xF5,0xA0,0x1E,0x20,0xE0,0xC1,0xA0,0x2C,
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0x88,0xD0,0xFD,0x90,0x05,0xA0,0x2F,0x88,
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0xD0,0xFD,0xBC,0x00,0xC0,0xA0,0x29,0xCA,
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0x60,0xA5,0x26,0xC5,0x24,0xA5,0x27,0xE5,
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0x25,0xE6,0x26,0xD0,0x02,0xE6,0x27,0x60
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];
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return {
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start: function aci_start() {
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return 0xc0;
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},
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end: function aci_end() {
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return 0xc1;
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},
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read: function aci_read(page, off) {
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var now = cpu.cycles();
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var result = rom[off];
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if (page == 0xc0) {
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if (_recording) {
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var delta = now - _last;
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this.buffer.push(delta);
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_last = now;
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} else {
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var progress;
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if (_readOffset < this.buffer.length) {
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if (now > _next) {
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if ((_readOffset % 1000) == 0) {
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debug('Read ' + (_readOffset / 1000));
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}
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_flip = !_flip;
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_next = now + this.buffer[_readOffset++];
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}
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}
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result = _flip ? rom[off | 0x01] : rom[off & 0xfe];
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progress = Math.round(_readOffset / this.buffer.length * 100) / 100;
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if (_progress != progress) {
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_progress = progress;
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cb.progress(_progress);
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}
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}
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} else {
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2019-11-23 23:18:26 +00:00
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if (cpu.sync()) {
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switch (off) {
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case 0x00:
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2019-09-05 01:42:09 +00:00
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_recording = false;
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2019-11-23 23:18:26 +00:00
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_beKind = true;
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debug('Entering ACI CLI');
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break;
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case 0x63:
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if (_recording) {
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this.buffer.push(5000000);
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_recording = false;
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}
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debug('Exiting ACI CLI');
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break;
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case 0x70: // WRITE
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_recording = true;
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if (_beKind) {
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_beKind = false;
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this.buffer = [];
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}
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debug('Start write');
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_last = now;
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break;
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//case 0x7c: // WBITLOOP:
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// _debug = true;
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// debug("Write bit loop");
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// break;
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case 0x8d: // READ
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_recording = false;
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debug('Start read');
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if (_beKind) {
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_readOffset = 0;
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_next = now + 5000000;
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_beKind = false;
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2019-09-05 01:42:09 +00:00
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2019-11-23 23:18:26 +00:00
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cb.progress(0);
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}
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break;
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default:
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break;
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2019-09-05 01:42:09 +00:00
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}
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}
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}
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return result;
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},
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write: function aci_write() {},
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getState: function aci_getState() { return {}; },
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setState: function aci_setState() {},
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setData: function aci_setData(data) {
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var seg, idx, jdx, d, b;
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this.buffer = [];
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for (seg = 0; seg < data.length; seg++) {
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for (idx = 0; idx < 16384; idx++) {
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this.buffer.push(592);
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}
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this.buffer.push(180);
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this.buffer.push(238);
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d = data[seg];
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for (idx = 0; idx < d.length; idx++) {
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b = d[idx];
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for (jdx = 0; jdx < 8; jdx++) {
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if (b & 0x80) {
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this.buffer.push(473);
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this.buffer.push(473);
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} else {
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this.buffer.push(238);
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this.buffer.push(238);
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}
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b <<= 1;
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}
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}
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this.buffer.push(5000000);
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}
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},
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buffer: []
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};
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}
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