551 lines
20 KiB
JavaScript
551 lines
20 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const baseplatform_1 = require("../common/baseplatform");
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const emu_1 = require("../common/emu");
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const util_1 = require("../common/util");
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const analysis_1 = require("../common/analysis");
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const audio_1 = require("../common/audio");
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const probe_1 = require("../common/probe");
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const devices_1 = require("../common/devices");
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const Mousetrap = require("mousetrap");
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const jsnes = require("../../jsnes");
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const mameplatform_1 = require("../common/mameplatform");
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const JSNES_PRESETS = [
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{ id: 'hello.c', name: 'Hello World' },
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{ id: 'attributes.c', name: 'Attribute Table' },
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{ id: 'scroll.c', name: 'Scrolling' },
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{ id: 'sprites.c', name: 'Sprites' },
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{ id: 'metasprites.c', name: 'Metasprites' },
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{ id: 'flicker.c', name: 'Flickering Sprites' },
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{ id: 'metacursor.c', name: 'Controllers' },
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{ id: 'vrambuffer.c', name: 'VRAM Buffer' },
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{ id: 'statusbar.c', name: 'Split Status Bar' },
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{ id: 'siegegame.c', name: 'Siege Game' },
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{ id: 'tint.c', name: 'Color Emphasis' },
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{ id: 'rletitle.c', name: 'Title Screen RLE' },
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{ id: 'aputest.c', name: 'Sound Tester' },
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{ id: 'music.c', name: 'Music Player' },
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{ id: 'horizscroll.c', name: 'Offscreen Scrolling' },
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{ id: 'monobitmap.c', name: 'Monochrome Bitmap' },
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{ id: 'fami.c', name: 'Famitone Demo' },
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{ id: 'shoot2.c', name: 'Solarian Game' },
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{ id: 'climber.c', name: 'Climber Game' },
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{ id: 'bankswitch.c', name: 'Bank Switching' },
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{ id: 'irq.c', name: 'IRQ Scanline Counter' },
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{ id: 'ex0.dasm', name: 'Initialization (ASM)' },
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{ id: 'ex1.dasm', name: 'Hello World (ASM)' },
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{ id: 'ex2.dasm', name: 'Scrolling Demo (ASM)' },
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{ id: 'ex3.dasm', name: 'Sprite Demo (ASM)' },
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{ id: 'ex4.dasm', name: 'Controller Demo (ASM)' },
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{ id: 'musicdemo.dasm', name: 'Famitone Demo (ASM)' },
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{ id: 'xyscroll.dasm', name: 'XY Split Scrolling (ASM)' },
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// {id:'scrollrt.dasm', name:'Line-by-line Scrolling (ASM)'},
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{ id: 'road.dasm', name: '3-D Road Demo (ASM)' },
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{ id: 'chase/game.c', name: 'Shiru\'s Chase Game' },
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{ id: 'hello.wiz', name: 'Hello (Wiz)' },
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];
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/// JSNES
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const JSNES_KEYCODE_MAP = (0, emu_1.makeKeycodeMap)([
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[emu_1.Keys.A, 0, 0],
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[emu_1.Keys.B, 0, 1],
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[emu_1.Keys.GP_A, 0, 0],
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[emu_1.Keys.GP_B, 0, 1],
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[emu_1.Keys.SELECT, 0, 2],
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[emu_1.Keys.START, 0, 3],
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[emu_1.Keys.UP, 0, 4],
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[emu_1.Keys.DOWN, 0, 5],
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[emu_1.Keys.LEFT, 0, 6],
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[emu_1.Keys.RIGHT, 0, 7],
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[emu_1.Keys.P2_A, 1, 0],
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[emu_1.Keys.P2_B, 1, 1],
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[emu_1.Keys.P2_SELECT, 1, 2],
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[emu_1.Keys.P2_START, 1, 3],
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[emu_1.Keys.P2_UP, 1, 4],
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[emu_1.Keys.P2_DOWN, 1, 5],
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[emu_1.Keys.P2_LEFT, 1, 6],
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[emu_1.Keys.P2_RIGHT, 1, 7],
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]);
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class JSNESPlatform extends baseplatform_1.Base6502Platform {
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constructor(mainElement) {
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super();
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this.audioFrequency = 44030; //44100
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this.frameindex = 0;
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this.machine = { cpuCyclesPerLine: 114 }; // TODO: hack for width of probe scope
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this.getToolForFilename = (fn) => {
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//if (fn.endsWith(".asm")) return "ca65"; // .asm uses ca65
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if (fn.endsWith(".nesasm"))
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return "nesasm";
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else
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return (0, baseplatform_1.getToolForFilename_6502)(fn);
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};
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// probing
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this.nullProbe = new devices_1.NullProbe();
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this.probe = this.nullProbe;
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this.getMemoryMap = function () {
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return { main: [
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{ name: 'Zero Page RAM', start: 0x0, size: 0x100, type: 'ram' },
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{ name: 'OAM Buffer', start: 0x200, size: 0x100, type: 'ram' },
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{ name: 'Work RAM', start: 0x300, size: 0x1000 - 0x300, type: 'ram' },
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{ name: 'PPU Registers', start: 0x2000, last: 0x2008, size: 0x2000, type: 'io' },
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{ name: 'APU Registers', start: 0x4000, last: 0x4020, size: 0x2000, type: 'io' },
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{ name: 'Optional Cartridge RAM', start: 0x6000, size: 0x2000, type: 'ram' },
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] };
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};
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this.mainElement = mainElement;
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}
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getPresets() { return JSNES_PRESETS; }
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start() {
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this.debugPCDelta = 1;
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var debugbar = $("<div>").appendTo(this.mainElement);
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this.audio = new audio_1.SampleAudio(this.audioFrequency);
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this.video = new emu_1.RasterVideo(this.mainElement, 256, 224, { overscan: true });
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this.video.create();
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// debugging view
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this.ntvideo = new emu_1.RasterVideo(this.mainElement, 512, 480, { overscan: false });
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this.ntvideo.create();
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$(this.ntvideo.canvas).hide();
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this.ntlastbuf = new Uint32Array(0x1000);
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if (Mousetrap.bind)
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Mousetrap.bind('ctrl+shift+alt+n', () => {
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$(this.video.canvas).toggle();
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$(this.ntvideo.canvas).toggle();
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});
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// toggle buttons (TODO)
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/*
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$('<button>').text("Video").appendTo(debugbar).click(() => { $(this.video.canvas).toggle() });
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$('<button>').text("Nametable").appendTo(debugbar).click(() => { $(this.ntvideo.canvas).toggle() });
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*/
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var idata = this.video.getFrameData();
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this.nes = new jsnes.NES({
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onFrame: (frameBuffer) => {
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for (var i = 0; i < frameBuffer.length; i++)
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idata[i] = frameBuffer[i] | 0xff000000;
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this.video.updateFrame();
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this.frameindex++;
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this.updateDebugViews();
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},
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onAudioSample: (left, right) => {
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if (this.frameindex < 10)
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this.audio.feedSample(0, 1); // avoid popping at powerup
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else
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this.audio.feedSample((left + right) * 0.5, 1);
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},
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onStatusUpdate: function (s) {
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console.log(s);
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},
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//TODO: onBatteryRamWrite
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});
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//this.nes.ppu.showSpr0Hit = true;
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//this.nes.ppu.clipToTvSize = false;
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this.nes.stop = () => {
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this.haltAndCatchFire("Illegal instruction");
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throw new emu_1.EmuHalt("CPU STOPPED"); //TODO: haltEmulation()
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};
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// insert debug hook
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this.nes.cpu._emulate = this.nes.cpu.emulate;
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this.nes.cpu.emulate = () => {
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if (this.nes.cpu.irqRequested)
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this.probe.logInterrupt(this.nes.cpu.irqType || 0);
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this.probe.logExecute(this.nes.cpu.REG_PC + 1, this.nes.cpu.REG_SP);
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var cycles = this.nes.cpu._emulate();
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this.evalDebugCondition();
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this.probe.logClocks(cycles);
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return cycles > 0 ? cycles : 1;
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};
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this.timer = new emu_1.AnimationTimer(60, this.nextFrame.bind(this));
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// set keyboard map
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this.poller = (0, emu_1.setKeyboardFromMap)(this.video, [], JSNES_KEYCODE_MAP, (o, key, code, flags) => {
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if (flags & emu_1.KeyFlags.KeyDown)
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this.nes.buttonDown(o.index + 1, o.mask); // controller, button
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else if (flags & emu_1.KeyFlags.KeyUp)
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this.nes.buttonUp(o.index + 1, o.mask); // controller, button
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});
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//var s = ''; nes.ppu.palTable.curTable.forEach((rgb) => { s += "0x"+hex(rgb,6)+", "; }); console.log(s);
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}
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pollControls() { this.poller.poll(); }
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advance(novideo) {
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this.nes.frame();
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return 29780; //TODO
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}
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updateDebugViews() {
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// don't update if view is hidden
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if (!$(this.ntvideo.canvas).is(":visible"))
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return;
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var a = 0;
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var attraddr = 0;
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var idata = this.ntvideo.getFrameData();
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var baseTile = this.nes.ppu.regS === 0 ? 0 : 256;
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for (var row = 0; row < 60; row++) {
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for (var col = 0; col < 64; col++) {
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a = 0x2000 + (col & 31) + ((row % 30) * 32);
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if (col >= 32)
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a += 0x400;
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if (row >= 30)
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a += 0x800;
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var name = this.nes.ppu.mirroredLoad(a) + baseTile;
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var t = this.nes.ppu.ptTile[name];
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attraddr = (a & 0x2c00) | 0x3c0 | (a & 0x0C00) | ((a >> 4) & 0x38) | ((a >> 2) & 0x07);
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var attr = this.nes.ppu.mirroredLoad(attraddr);
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var tag = name ^ (attr << 9) ^ 0x80000000;
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if (tag != this.ntlastbuf[a & 0xfff]) {
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this.ntlastbuf[a & 0xfff] = tag;
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var i = row * 64 * 8 * 8 + col * 8;
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var j = 0;
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var attrshift = (col & 2) + ((a & 0x40) >> 4);
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var coloradd = ((attr >> attrshift) & 3) << 2;
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for (var y = 0; y < 8; y++) {
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for (var x = 0; x < 8; x++) {
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var color = t.pix[j++];
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if (color)
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color += coloradd;
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var rgb = this.nes.ppu.imgPalette[color];
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idata[i++] = rgb | 0xff000000;
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}
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i += 64 * 8 - 8;
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}
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}
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}
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}
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this.ntvideo.updateFrame();
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}
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loadROM(title, data) {
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var romstr = (0, util_1.byteArrayToString)(data);
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this.nes.loadROM(romstr);
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this.frameindex = 0;
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this.installIntercepts();
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}
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installIntercepts() {
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// intercept bus calls, unless we did it already
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var mmap = this.nes.mmap;
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if (!mmap.haveProxied) {
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var oldload = mmap.load.bind(mmap);
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var oldwrite = mmap.write.bind(mmap);
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var oldregLoad = mmap.regLoad.bind(mmap);
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var oldregWrite = mmap.regWrite.bind(mmap);
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var lastioaddr = -1;
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mmap.load = (addr) => {
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var val = oldload(addr);
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if (addr != lastioaddr)
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this.probe.logRead(addr, val);
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return val;
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};
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mmap.write = (addr, val) => {
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if (addr != lastioaddr)
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this.probe.logWrite(addr, val);
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oldwrite(addr, val);
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};
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// try not to read/write then IOread/IOwrite at same time
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mmap.regLoad = (addr) => {
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var val = oldregLoad(addr);
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this.probe.logIORead(addr, val);
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lastioaddr = addr;
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return val;
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};
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mmap.regWrite = (addr, val) => {
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this.probe.logIOWrite(addr, val);
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lastioaddr = addr;
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oldregWrite(addr, val);
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};
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mmap.haveProxied = true;
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}
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var ppu = this.nes.ppu;
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if (!ppu.haveProxied) {
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var old_endScanline = ppu.endScanline.bind(ppu);
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var old_startFrame = ppu.startFrame.bind(ppu);
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var old_writeMem = ppu.writeMem.bind(ppu);
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ppu.endScanline = () => {
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old_endScanline();
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this.probe.logNewScanline();
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};
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ppu.startFrame = () => {
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old_startFrame();
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this.probe.logNewFrame();
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};
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ppu.writeMem = (a, v) => {
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old_writeMem(a, v);
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this.probe.logVRAMWrite(a, v);
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};
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ppu.haveProxied = true;
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}
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}
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newCodeAnalyzer() {
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return new analysis_1.CodeAnalyzer_nes(this);
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}
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getOriginPC() {
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return (this.readAddress(0xfffa) | (this.readAddress(0xfffb) << 8)) & 0xffff;
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}
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getDefaultExtension() { return ".c"; }
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getROMExtension() { return ".nes"; }
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reset() {
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//this.nes.cpu.reset(); // doesn't work right, crashes
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this.nes.cpu.requestIrq(this.nes.cpu.IRQ_RESET);
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this.installIntercepts();
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}
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isRunning() {
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return this.timer.isRunning();
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}
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pause() {
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this.timer.stop();
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this.audio.stop();
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}
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resume() {
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this.timer.start();
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this.audio.start();
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}
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runToVsync() {
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var frame0 = this.frameindex;
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this.runEval((c) => { return this.frameindex > frame0; });
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}
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getRasterScanline() {
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return this.nes.ppu.scanline;
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}
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getRasterLineClock() {
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return this.nes.ppu.curX;
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}
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getCPUState() {
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var c = this.nes.cpu.toJSON();
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this.copy6502REGvars(c);
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return c;
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}
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// TODO don't need to save ROM?
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saveState() {
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//var s = $.extend(true, {}, this.nes);
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var s;
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if (this.nes.mmap) {
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s = this.nes.toJSON();
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}
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else {
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console.log("no nes.mmap!");
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s = { cpu: this.nes.cpu.toJSON(), ppu: this.nes.ppu.toJSON() };
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}
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s.c = s.cpu;
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this.copy6502REGvars(s.c);
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s.b = s.cpu.mem = s.cpu.mem.slice(0);
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s.ppu.vramMem = s.ppu.vramMem.slice(0);
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s.ppu.spriteMem = s.ppu.spriteMem.slice(0);
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s.ctrl = this.saveControlsState();
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return s;
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}
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loadState(state) {
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this.unfixPC(state.cpu);
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this.nes.fromJSON(state);
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this.fixPC(state.cpu);
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//this.nes.cpu.fromJSON(state.cpu);
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//this.nes.mmap.fromJSON(state.mmap);
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//this.nes.ppu.fromJSON(state.ppu);
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this.nes.cpu.mem = state.cpu.mem.slice(0);
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this.nes.ppu.vramMem = state.ppu.vramMem.slice(0);
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this.nes.ppu.spriteMem = state.ppu.spriteMem.slice(0);
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this.loadControlsState(state.ctrl);
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//$.extend(this.nes, state);
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this.installIntercepts();
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}
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saveControlsState() {
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return {
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c1: this.nes.controllers[1].state.slice(0),
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c2: this.nes.controllers[2].state.slice(0),
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};
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}
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loadControlsState(state) {
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this.nes.controllers[1].state = state.c1;
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this.nes.controllers[2].state = state.c2;
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}
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readAddress(addr) {
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return this.nes.cpu.mem[addr];
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}
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readVRAMAddress(addr) {
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return this.nes.ppu.vramMem[addr];
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}
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copy6502REGvars(c) {
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c.T = 0;
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c.PC = c.REG_PC;
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this.fixPC(c);
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c.A = c.REG_ACC;
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c.X = c.REG_X;
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c.Y = c.REG_Y;
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c.SP = c.REG_SP & 0xff;
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c.Z = c.F_ZERO;
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c.N = c.F_SIGN;
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c.V = c.F_OVERFLOW;
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c.D = c.F_DECIMAL;
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c.C = c.F_CARRY;
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c.I = c.F_INTERRUPT;
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c.R = 1;
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c.o = this.readAddress(c.PC + 1);
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return c;
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}
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getDebugCategories() {
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return super.getDebugCategories().concat(['PPU', 'Mapper']);
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}
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getDebugInfo(category, state) {
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switch (category) {
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case 'PPU': return this.ppuStateToLongString(state.ppu, state.b);
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case 'Mapper': return this.mapperStateToLongString(state.mmap, state.b);
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default: return super.getDebugInfo(category, state);
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}
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}
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ppuStateToLongString(ppu, mem) {
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var s = '';
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var PPUFLAGS = [
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["f_nmiOnVblank", "NMI_ON_VBLANK"],
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["f_spVisibility", "SPRITES"],
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["f_spClipping", "NO_CLIP_SPRITES"],
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["f_dispType", "MONOCHROME"],
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["f_bgVisibility", "BACKGROUND"],
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["f_bgClipping", "NO_CLIP_BACKGROUND"],
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];
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for (var i = 0; i < PPUFLAGS.length; i++) {
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var flag = PPUFLAGS[i];
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s += (ppu[flag[0]] ? flag[1] : "-") + " ";
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if (i == 2 || i == 5)
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s += "\n";
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}
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var status = mem[0x2002];
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s += "\n Status ";
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s += (status & 0x80) ? "VBLANK " : "- ";
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s += (status & 0x40) ? "SPRITE0HIT " : "- ";
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s += "\n";
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if (ppu.f_color)
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s += " Tint " + ((ppu.f_color & 1) ? "RED " : "") + ((ppu.f_color & 2) ? "BLUE " : "") + ((ppu.f_color & 4) ? "GREEN " : "") + "\n";
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if (ppu.f_spVisibility) {
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s += "SprSize " + (ppu.f_spriteSize ? "8x16" : "8x8") + "\n";
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s += "SprBase $" + (ppu.f_spPatternTable ? "1000" : "0000") + "\n";
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}
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if (ppu.f_bgVisibility) {
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s += " BgBase $" + (ppu.f_bgPatternTable ? "1000" : "0000") + "\n";
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s += " NTBase $" + (0, util_1.hex)(ppu.f_nTblAddress * 0x400 + 0x2000) + "\n";
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s += "AddrInc " + (ppu.f_addrInc ? "32" : "1") + "\n";
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}
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var scrollX = ppu.regFH + ppu.regHT * 8;
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var scrollY = ppu.regFV + ppu.regVT * 8;
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|
s += "ScrollX $" + (0, util_1.hex)(scrollX) + " (" + ppu.regHT + " * 8 + " + ppu.regFH + " = " + scrollX + ")\n";
|
|
s += "ScrollY $" + (0, util_1.hex)(scrollY) + " (" + ppu.regVT + " * 8 + " + ppu.regFV + " = " + scrollY + ")\n";
|
|
s += "\n";
|
|
s += " Scan Y: " + ppu.scanline + " X: " + ppu.curX + "\n";
|
|
s += "VramCur" + (ppu.firstWrite ? " " : "?") + "$" + (0, util_1.hex)(ppu.vramAddress, 4) + "\n";
|
|
s += "VramTmp $" + (0, util_1.hex)(ppu.vramTmpAddress, 4) + "\n";
|
|
/*
|
|
var PPUREGS = [
|
|
'cntFV',
|
|
'cntV',
|
|
'cntH',
|
|
'cntVT',
|
|
'cntHT',
|
|
'regV',
|
|
'regH',
|
|
'regS',
|
|
];
|
|
s += "\n";
|
|
for (var i=0; i<PPUREGS.length; i++) {
|
|
var reg = PPUREGS[i];
|
|
s += lpad(reg.toUpperCase(),7) + " $" + hex(ppu[reg]) + " (" + ppu[reg] + ")\n";
|
|
}
|
|
*/
|
|
return s;
|
|
}
|
|
mapperStateToLongString(mmap, mem) {
|
|
//console.log(mmap, mem);
|
|
var s = "";
|
|
if (this.nes.rom) {
|
|
s += "Mapper " + this.nes.rom.mapperType + "\n";
|
|
}
|
|
if (mmap.irqCounter !== undefined) {
|
|
s += "\nIRQ Counter: " + mmap.irqCounter;
|
|
s += "\n IRQ Latch: " + mmap.irqLatchValue;
|
|
s += "\n IRQ Reload: " + mmap.irqReload;
|
|
s += "\n IRQ Enable: " + mmap.irqEnable;
|
|
s += "\n PRG Select: " + mmap.prgAddressSelect;
|
|
s += "\n CHR Select: " + mmap.chrAddressSelect;
|
|
}
|
|
s += "\n";
|
|
return s;
|
|
}
|
|
startProbing() {
|
|
var rec = new probe_1.ProbeRecorder(this);
|
|
this.connectProbe(rec);
|
|
return rec;
|
|
}
|
|
stopProbing() {
|
|
this.connectProbe(null);
|
|
}
|
|
connectProbe(probe) {
|
|
this.probe = probe || this.nullProbe;
|
|
}
|
|
showHelp() {
|
|
return "https://8bitworkshop.com/docs/platforms/nes/";
|
|
}
|
|
getDebugSymbolFile() {
|
|
var sym = this.debugSymbols.addr2symbol;
|
|
var text = "";
|
|
$.each(sym, function (k, v) {
|
|
let symType;
|
|
if (k < 0x2000) {
|
|
k = k % 0x800;
|
|
symType = "R";
|
|
}
|
|
else if (k < 0x6000)
|
|
symType = "G";
|
|
else if (k < 0x8000) {
|
|
k = k - 0x6000;
|
|
symType = "S";
|
|
}
|
|
else {
|
|
k = k - 0x8000;
|
|
symType = "P";
|
|
}
|
|
let addr = Number(k).toString(16).padStart(4, '0').toUpperCase();
|
|
// Mesen doesn't allow lables to start with digits
|
|
if (v[0] >= '0' && v[0] <= '9') {
|
|
v = "L" + v;
|
|
}
|
|
// nor does it allow dots
|
|
v = v.replaceAll('.', '_');
|
|
text += `${symType}:${addr}:${v}\n`;
|
|
});
|
|
return {
|
|
extension: ".mlb",
|
|
blob: new Blob([text], { type: "text/plain" })
|
|
};
|
|
}
|
|
}
|
|
/// MAME support
|
|
class NESMAMEPlatform extends mameplatform_1.BaseMAME6502Platform {
|
|
constructor() {
|
|
super(...arguments);
|
|
this.getToolForFilename = baseplatform_1.getToolForFilename_6502;
|
|
this.getOpcodeMetadata = baseplatform_1.getOpcodeMetadata_6502;
|
|
}
|
|
start() {
|
|
}
|
|
loadROM(title, data) {
|
|
if (!this.started) {
|
|
this.startModule(this.mainElement, {
|
|
jsfile: 'mame8bitws.js',
|
|
//cfgfile:'nes.cfg',
|
|
driver: 'nes',
|
|
width: 256,
|
|
height: 240,
|
|
romfn: '/emulator/cart.nes',
|
|
romdata: new Uint8Array(data),
|
|
preInit: function (_self) {
|
|
},
|
|
});
|
|
}
|
|
else {
|
|
// look at iNES header for PRG and CHR ROM lengths
|
|
var prgromlen = data[4] * 0x4000;
|
|
var chrromlen = data[5] * 0x2000;
|
|
this.loadROMFile(data);
|
|
this.loadRegion(":nes_slot:cart:prg_rom", data.slice(0x10, 0x10 + prgromlen));
|
|
this.loadRegion(":nes_slot:cart:chr_rom", data.slice(0x10 + prgromlen, 0x10 + prgromlen + chrromlen));
|
|
}
|
|
}
|
|
getPresets() { return JSNES_PRESETS; }
|
|
getDefaultExtension() { return ".c"; }
|
|
;
|
|
}
|
|
///
|
|
emu_1.PLATFORMS['nes'] = JSNESPlatform;
|
|
emu_1.PLATFORMS['nes-asm'] = JSNESPlatform;
|
|
emu_1.PLATFORMS['nes.mame'] = NESMAMEPlatform;
|
|
//# sourceMappingURL=nes.js.map
|