701 lines
19 KiB
TypeScript
701 lines
19 KiB
TypeScript
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import { Platform, BasePlatform } from "../common/baseplatform";
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import { PLATFORMS, setKeyboardFromMap, AnimationTimer, RasterVideo, Keys, makeKeycodeMap, getMousePos, KeyFlags } from "../common/emu";
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import { SampleAudio } from "../common/audio";
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import { safe_extend } from "../common/util";
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import { WaveformView, WaveformProvider, WaveformMeta } from "../ide/waveform";
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import { setFrameRateUI, loadScript } from "../ide/ui";
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import { HDLUnit, isLogicType } from "../common/hdl/hdltypes";
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import { HDLModuleJS } from "../common/hdl/hdlruntime";
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declare var Split;
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interface WaveformSignal extends WaveformMeta {
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name: string;
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}
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var VERILOG_PRESETS = [
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{id:'clock_divider.v', name:'Clock Divider'},
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{id:'binary_counter.v', name:'Binary Counter'},
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{id:'hvsync_generator.v', name:'Video Sync Generator'},
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{id:'test_hvsync.v', name:'Test Pattern'},
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{id:'7segment.v', name:'7-Segment Decoder'},
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{id:'digits10.v', name:'Bitmapped Digits'},
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{id:'scoreboard.v', name:'Scoreboard'},
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{id:'ball_absolute.v', name:'Ball Motion (absolute position)'},
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{id:'ball_slip_counter.v', name:'Ball Motion (slipping counter)'},
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{id:'ball_paddle.v', name:'Brick Smash Game'},
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{id:'chardisplay.v', name:'RAM Text Display'},
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{id:'switches.v', name:'Switch Inputs'},
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{id:'paddles.v', name:'Paddle Inputs'},
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{id:'sprite_bitmap.v', name:'Sprite Bitmaps'},
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{id:'sprite_renderer.v', name:'Sprite Rendering'},
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{id:'racing_game.v', name:'Racing Game'},
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{id:'sprite_rotation.v', name:'Sprite Rotation'},
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{id:'tank.v', name:'Tank Game'},
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{id:'sound_generator.v', name:'Sound Generator'},
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{id:'lfsr.v', name:'Linear Feedback Shift Register'},
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{id:'starfield.v', name:'Scrolling Starfield'},
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{id:'alu.v', name:'ALU'},
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{id:'cpu8.v', name:'Simple 8-Bit CPU'},
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{id:'racing_game_cpu.v', name:'Racing Game with CPU'},
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{id:'framebuffer.v', name:'Frame Buffer'},
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{id:'tile_renderer.v', name:'Tile Renderer'},
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{id:'sprite_scanline_renderer.v', name:'Sprite Scanline Renderer'},
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{id:'cpu16.v', name:'16-Bit CPU'},
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{id:'cpu_platform.v', name:'CPU Platform'},
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{id:'test2.asm', name:'16-bit ASM Game'},
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{id:'cpu6502.v', name:'6502 CPU'},
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];
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var VERILOG_KEYCODE_MAP = makeKeycodeMap([
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[Keys.LEFT, 0, 0x1],
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[Keys.RIGHT, 0, 0x2],
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[Keys.UP, 0, 0x4],
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[Keys.DOWN, 0, 0x8],
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[Keys.A, 0, 0x10],
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[Keys.B, 0, 0x20],
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[Keys.P2_LEFT, 1, 0x1],
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[Keys.P2_RIGHT, 1, 0x2],
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[Keys.P2_UP, 1, 0x4],
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[Keys.P2_DOWN, 1, 0x8],
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[Keys.P2_A, 1, 0x10],
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[Keys.P2_B, 1, 0x20],
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[Keys.START, 2, 0x1],
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[Keys.P2_START, 2, 0x2],
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[Keys.SELECT, 2, 0x4],
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[Keys.P2_SELECT, 2, 0x8],
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[Keys.VK_7, 2, 0x10],
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]);
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const TRACE_BUFFER_DWORDS = 0x40000;
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const CYCLES_PER_FILL = 20;
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// PLATFORM
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var VerilogPlatform = function(mainElement, options) {
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this.__proto__ = new (BasePlatform as any)();
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var video, audio;
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var poller;
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var useAudio = false;
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var videoWidth = 292;
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var videoHeight = 256;
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var maxVideoLines = 262+40; // vertical hold
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var idata, timer, timerCallback;
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var top : HDLModuleJS;
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var gen;
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var cyclesPerFrame = (256+23+7+23)*262; // 4857480/60 Hz
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// control inputs
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var switches = [0,0,0];
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var keycode = 0;
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// inspect feature
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var inspect_obj, inspect_sym;
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var inspect_data = new Uint32Array(videoWidth * videoHeight);
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// for scope
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var module_name;
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//var trace_ports;
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var trace_signals;
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var trace_buffer;
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var trace_index;
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// for virtual CRT
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var framex=0;
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var framey=0;
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var frameidx=0;
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var framehsync=false;
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var framevsync=false;
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var RGBLOOKUP = [
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0xff222222,
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0xff2222ff,
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0xff22ff22,
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0xff22ffff,
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0xffff2222,
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0xffff22ff,
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0xffffff22,
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0xffffffff,
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0xff999999,
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0xff9999ff,
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0xff99ff99,
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0xff99ffff,
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0xffff9999,
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0xffff99ff,
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0xffffff99,
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0xff666666,
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];
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var debugCond;
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var frameRate = 0;
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function vidtick() {
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top.tick2();
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if (useAudio)
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audio.feedSample(gen.spkr*(1.0/255.0), 1);
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if (keycode && keycode >= 128 && gen.keystrobe) // keystrobe = clear hi bit of key buffer
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keycode = gen.keycode = keycode & 0x7f;
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if (debugCond && debugCond())
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debugCond = null;
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}
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function doreset() {
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gen.reset = 1;
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}
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function unreset() {
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if (gen.reset !== undefined) {
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gen.reset = 0;
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}
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}
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// inner Platform class
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class _VerilogPlatform extends BasePlatform implements WaveformProvider {
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waveview : WaveformView;
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wavediv : JQuery;
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topdiv : JQuery;
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split;
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hasvideo : boolean;
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getPresets() { return VERILOG_PRESETS; }
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setVideoParams(width:number, height:number, clock:number) {
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videoWidth = width;
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videoHeight = height;
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cyclesPerFrame = clock;
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maxVideoLines = height+40;
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}
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async start() {
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await loadScript('./gen/common/hdl/hdltypes.js');
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await loadScript('./gen/common/hdl/hdlruntime.js');
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video = new RasterVideo(mainElement,videoWidth,videoHeight,{overscan:true});
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video.create();
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poller = setKeyboardFromMap(video, switches, VERILOG_KEYCODE_MAP, (o,key,code,flags) => {
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if (flags & KeyFlags.KeyPress) {
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keycode = code | 0x80;
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}
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}, true); // true = always send function
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var vcanvas = $(video.canvas);
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idata = video.getFrameData();
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timerCallback = () => {
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if (!this.isRunning())
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return;
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if (gen && gen.switches != null) gen.switches = switches[0];
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this.updateFrame();
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};
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this.setFrameRate(60);
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// setup scope
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trace_buffer = new Uint32Array(TRACE_BUFFER_DWORDS);
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var overlay = $("#emuoverlay").show();
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this.topdiv = $('<div class="emuspacer">').appendTo(overlay);
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vcanvas.appendTo(this.topdiv);
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this.wavediv = $('<div class="emuscope">').appendTo(overlay);
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this.split = Split( [this.topdiv[0], this.wavediv[0]], {
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minSize: [0,0],
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sizes: [99,1],
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direction: 'vertical',
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gutterSize: 16,
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onDrag: () => {
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this.resize();
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//if (this.waveview) this.waveview.recreate();
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//vcanvas.css('position','relative');
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//vcanvas.css('top', -this.wavediv.height()+'px');
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},
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});
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// setup mouse events
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video.setupMouseEvents();
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// setup mouse click
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video.vcanvas.click( (e) => {
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if (!gen) return; // must have created emulator
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if (!e.ctrlKey) {
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//setFrameRateUI(60);
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return; // ctrl key must be down
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}
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setFrameRateUI(1.0/2048);
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var pos = getMousePos(video.canvas, e);
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var new_y = Math.floor(pos.y);
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var clock = 0;
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while (framey != new_y || clock++ > 200000) {
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this.setGenInputs();
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this.updateVideoFrameCycles(1, true, false);
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unreset();
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}
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});
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}
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// TODO: pollControls() { poller.poll(); }
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resize() {
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if (this.waveview) this.waveview.recreate();
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}
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setGenInputs() {
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useAudio = (audio != null);
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//TODO debugCond = this.getDebugCallback();
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if (gen.switches_p1 != null) gen.switches_p1 = switches[0];
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if (gen.switches_p2 != null) gen.switches_p2 = switches[1];
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if (gen.switches_gen != null) gen.switches_gen = switches[2];
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if (gen.keycode != null) gen.keycode = keycode;
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}
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updateVideoFrame() {
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//this.topdiv.show(); //show crt
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this.setGenInputs();
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var fps = this.getFrameRate();
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// darken the previous frame?
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var sync = fps > 45;
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if (!sync) {
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var mask = fps > 5 ? 0xe7ffffff : 0x7fdddddd;
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for (var i=0; i<idata.length; i++)
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idata[i] &= mask;
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}
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// paint into frame, synched with vsync if full speed
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var trace = this.isScopeVisible();
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this.updateVideoFrameCycles(cyclesPerFrame * fps/60 + 1, sync, trace);
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if (fps < 0.25) {
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idata[frameidx] = -1;
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}
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//this.restartDebugState();
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unreset();
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this.refreshVideoFrame();
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// set scope offset
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if (trace && this.waveview) {
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this.waveview.setCurrentTime(Math.floor(trace_index/trace_signals.length));
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}
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}
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isScopeVisible() {
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return this.split.getSizes()[1] > 2; // TODO?
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}
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// TODO: merge with prev func
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advance(novideo : boolean) : number {
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this.setGenInputs();
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this.updateVideoFrameCycles(cyclesPerFrame, true, false);
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unreset();
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if (!novideo) {
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this.refreshVideoFrame();
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}
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return cyclesPerFrame; //TODO?
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}
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refreshVideoFrame() {
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this.updateInspectionFrame();
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video.updateFrame();
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this.updateInspectionPostFrame();
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}
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refreshScopeOverlay() {
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// TODO
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}
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updateScopeFrame() {
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this.split.setSizes([0,100]); // ensure scope visible
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//this.topdiv.hide();// hide crt
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var done = this.fillTraceBuffer(CYCLES_PER_FILL * trace_signals.length);
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if (done)
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this.pause(); // TODO?
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// TODO
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}
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updateScope() {
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// create scope, if visible
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if (this.isScopeVisible()) {
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if (!this.waveview) {
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this.waveview = new WaveformView(this.wavediv[0] as HTMLElement, this);
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} else {
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this.waveview.refresh();
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}
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}
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}
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updateFrame() {
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if (!gen) return;
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if (this.hasvideo)
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this.updateVideoFrame();
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else
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this.updateScopeFrame();
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this.updateScope();
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}
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updateInspectionFrame() {
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useAudio = false;
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if (inspect_obj && inspect_sym) {
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var COLOR_BIT_OFF = 0xffff6666;
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var COLOR_BIT_ON = 0xffff9999;
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var i = videoWidth;
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for (var y=0; y<videoHeight-2; y++) {
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for (var x=0; x<videoWidth; x++) {
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var val = inspect_data[i];
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idata[i++] = (val & 1) ? COLOR_BIT_ON : COLOR_BIT_OFF;
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}
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}
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}
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}
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updateInspectionPostFrame() {
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if (inspect_obj && inspect_sym) {
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var ctx = video.getContext();
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var val = inspect_data[inspect_data.length-1];
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ctx.fillStyle = "black";
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ctx.fillRect(18, videoHeight-8, 30, 8);
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ctx.fillStyle = "white";
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ctx.fillText(val.toString(10), 20, videoHeight-1);
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}
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}
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updateVideoFrameCycles(ncycles:number, sync:boolean, trace:boolean) {
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ncycles |= 0;
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var inspect = inspect_obj && inspect_sym;
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var trace0 = trace_index;
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while (ncycles--) {
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if (trace) {
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this.snapshotTrace();
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if (trace_index == trace0) trace = false; // kill trace when wraps around
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}
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vidtick();
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if (framex++ < videoWidth) {
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if (framey < videoHeight) {
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if (inspect) {
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inspect_data[frameidx] = inspect_obj[inspect_sym];
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}
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let rgb = gen.rgb;
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idata[frameidx] = rgb & 0x80000000 ? rgb : RGBLOOKUP[rgb & 15];
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frameidx++;
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}
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} else if (!framehsync && gen.hsync) {
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framehsync = true;
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} else if ((framehsync && !gen.hsync) || framex > videoWidth*2) {
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framehsync = false;
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framex = 0;
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framey++;
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if (gen.hpaddle != null) gen.hpaddle = framey > video.paddle_x ? 1 : 0;
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if (gen.vpaddle != null) gen.vpaddle = framey > video.paddle_y ? 1 : 0;
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}
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if (framey > maxVideoLines || gen.vsync) {
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framevsync = true;
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framey = 0;
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framex = 0;
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frameidx = 0;
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if (gen.hpaddle != null) gen.hpaddle = 0;
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if (gen.vpaddle != null) gen.vpaddle = 0;
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} else {
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var wasvsync = framevsync;
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framevsync = false;
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if (sync && wasvsync) {
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this.updateRecorder();
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return; // exit when vsync ends
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}
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}
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}
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}
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snapshotTrace() {
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var arr = trace_signals;
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for (var i=0; i<arr.length; i++) {
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var v = arr[i];
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var z = gen[v.name];
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trace_buffer[trace_index] = z+0;
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trace_index++;
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}
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if (trace_index >= trace_buffer.length - arr.length)
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trace_index = 0;
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}
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fillTraceBuffer(count:number) : boolean {
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var max_index = Math.min(trace_buffer.length - trace_signals.length, trace_index + count);
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while (trace_index < max_index) {
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gen.clk ^= 1;
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top.eval();
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this.snapshotTrace();
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if (trace_index == 0)
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break;
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}
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unreset();
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return (trace_index == 0);
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}
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getSignalMetadata() : WaveformMeta[] {
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return trace_signals;
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}
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getSignalData(index:number, start:number, len:number) : number[] {
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// TODO: not efficient
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var skip = this.getSignalMetadata().length;
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var last = trace_buffer.length - trace_signals.length; // TODO: refactor, and not correct
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var wrap = this.hasvideo; // TODO?
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var a = [];
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index += skip * start;
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while (index < last && a.length < len) {
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a.push(trace_buffer[index]);
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index += skip;
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if (wrap && index >= last) // TODO: what if starts with index==last
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index = 0;
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}
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return a;
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}
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setSignalValue(index:number, value:number) {
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var meta = this.getSignalMetadata()[index];
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gen[meta.label] = value;
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this.reset();
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}
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printErrorCodeContext(e, code) {
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if (e.lineNumber && e.message) {
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var lines = code.split('\n');
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var s = e.message + '\n';
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for (var i=0; i<lines.length; i++) {
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if (i > e.lineNumber-5 && i < e.lineNumber+5) {
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s += lines[i] + '\n';
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}
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}
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console.log(s);
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}
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}
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loadROM(title:string, output:any) {
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var unit = output as HDLUnit;
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var topmod = unit.modules['TOP'];
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if (unit.modules && topmod) {
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{
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// initialize top module and constant pool
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top = new HDLModuleJS(topmod, unit.modules['@CONST-POOL@']);
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top.init();
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top.reset();
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gen = top.state;
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// create signal array
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var signals : WaveformSignal[] = [];
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for (var key in topmod.vardefs) {
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var vardef = topmod.vardefs[key];
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if (isLogicType(vardef.dtype)) {
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signals.push({
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name: key,
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label: vardef.origName,
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input: vardef.isInput,
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output: vardef.isOutput,
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len: vardef.dtype.left+1
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});
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}
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}
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trace_signals = signals;
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trace_signals = trace_signals.filter((v) => { return !v.label.startsWith("__V"); }); // remove __Vclklast etc
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trace_index = 0;
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// reset
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this.poweron();
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// query output signals -- video or not?
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this.hasvideo = gen.vsync !== undefined && gen.hsync !== undefined && gen.rgb !== undefined;
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if (this.hasvideo) {
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const IGNORE_SIGNALS = ['clk','reset'];
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trace_signals = trace_signals.filter((v) => { return IGNORE_SIGNALS.indexOf(v.name)<0; }); // remove clk, reset
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$("#speed_bar").show();
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$("#run_bar").show();
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$("#xtra_bar").show();
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} else {
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$("#speed_bar").hide();
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$("#run_bar").hide();
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$("#xtra_bar").hide();
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}
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}
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}
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// replace program ROM, if using the assembler
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this.reset();
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if (output.program_rom && output.program_rom_variable) {
|
|
if (gen[output.program_rom_variable]) {
|
|
if (gen[output.program_rom_variable].length != output.program_rom.length)
|
|
alert("ROM size mismatch -- expected " + gen[output.program_rom_variable].length + " got " + output.program_rom.length);
|
|
else
|
|
gen[output.program_rom_variable].set(output.program_rom);
|
|
} else {
|
|
alert("No program_rom variable found (" + output.program_rom_variable + ")");
|
|
}
|
|
}
|
|
// restart audio
|
|
this.restartAudio();
|
|
if (this.waveview) {
|
|
this.waveview.recreate();
|
|
}
|
|
}
|
|
|
|
restartAudio() {
|
|
// stop/start audio
|
|
var hasAudio = gen && gen.spkr !== undefined && frameRate > 1;
|
|
if (audio && !hasAudio) {
|
|
audio.stop();
|
|
audio = null;
|
|
} else if (!audio && hasAudio) {
|
|
audio = new SampleAudio(cyclesPerFrame * this.getFrameRate());
|
|
if (this.isRunning())
|
|
audio.start();
|
|
}
|
|
}
|
|
|
|
isRunning() {
|
|
return timer && timer.isRunning();
|
|
}
|
|
pause() {
|
|
timer.stop();
|
|
if (audio) audio.stop();
|
|
}
|
|
resume() {
|
|
timer.start();
|
|
if (audio) audio.start();
|
|
}
|
|
|
|
isBlocked() {
|
|
return top && top.finished;
|
|
}
|
|
isStopped() {
|
|
return top && top.stopped;
|
|
}
|
|
|
|
setFrameRate(rateHz) {
|
|
frameRate = rateHz;
|
|
var fps = Math.min(60, rateHz*cyclesPerFrame);
|
|
if (!timer || timer.frameRate != fps) {
|
|
var running = this.isRunning();
|
|
if (timer) timer.stop();
|
|
timer = new AnimationTimer(fps, timerCallback);
|
|
if (running) timer.start();
|
|
}
|
|
if (audio) {
|
|
audio.stop();
|
|
audio = null;
|
|
}
|
|
this.restartAudio();
|
|
}
|
|
getFrameRate() { return frameRate; }
|
|
|
|
poweron() {
|
|
top.reset();
|
|
this.reset();
|
|
}
|
|
reset() {
|
|
if (!gen) return;
|
|
//top.reset(); // to avoid clobbering user inputs
|
|
doreset();
|
|
trace_index = 0;
|
|
if (trace_buffer) trace_buffer.fill(0);
|
|
if (video) video.setRotate(gen.rotate ? -90 : 0);
|
|
$("#verilog_bar").hide();
|
|
if (!this.hasvideo) this.resume(); // TODO?
|
|
}
|
|
tick() {
|
|
top.tick2();
|
|
}
|
|
getToolForFilename(fn) {
|
|
if (fn.endsWith(".asm")) return "jsasm";
|
|
else if (fn.endsWith(".ice")) return "silice";
|
|
else return "verilator";
|
|
}
|
|
getDefaultExtension() { return ".v"; };
|
|
|
|
inspect(name:string) : string {
|
|
if (!gen) return;
|
|
if (name) name = name.replace('.','_');
|
|
if (!name || !name.match(/^\w+$/)) {
|
|
inspect_obj = inspect_sym = null;
|
|
return;
|
|
}
|
|
var val = gen[name];
|
|
/* TODO
|
|
if (val === undefined && current_output.code) {
|
|
var re = new RegExp("(\\w+__DOT__(?:_[dcw]_)" + name + ")\\b", "gm");
|
|
var m = re.exec(current_output.code);
|
|
if (m) {
|
|
name = m[1];
|
|
val = gen[name];
|
|
}
|
|
}
|
|
*/
|
|
if (typeof(val) === 'number') {
|
|
inspect_obj = gen;
|
|
inspect_sym = name;
|
|
} else {
|
|
inspect_obj = inspect_sym = null;
|
|
}
|
|
}
|
|
|
|
// DEBUGGING
|
|
|
|
getDebugTree() {
|
|
return {
|
|
//ast: current_output,
|
|
runtime: top,
|
|
state: this.saveState().o
|
|
}
|
|
}
|
|
|
|
// TODO: bind() a function to avoid depot?
|
|
saveState() {
|
|
var state = {
|
|
// TODO: T:gen.ticks(),
|
|
o:safe_extend(true, {}, gen)
|
|
};
|
|
return state;
|
|
}
|
|
loadState(state) {
|
|
gen = safe_extend(true, gen, state.o);
|
|
// TODO: gen.setTicks(state.T);
|
|
//console.log(gen, state.o);
|
|
}
|
|
saveControlsState() {
|
|
return {
|
|
p1x: video.paddle_x,
|
|
p1y: video.paddle_y,
|
|
sw0: switches[0],
|
|
sw1: switches[1],
|
|
sw2: switches[2],
|
|
keycode: keycode
|
|
};
|
|
}
|
|
loadControlsState(state) {
|
|
video.paddle_x = state.p1x;
|
|
video.paddle_y = state.p1y;
|
|
switches[0] = state.sw0;
|
|
switches[1] = state.sw1;
|
|
switches[2] = state.sw2;
|
|
keycode = state.keycode;
|
|
}
|
|
getDownloadFile() {
|
|
return {
|
|
extension:".js",
|
|
blob: new Blob([top.getJSCode()], {type:"text/plain"})
|
|
};
|
|
}
|
|
|
|
} // end of inner class
|
|
return new _VerilogPlatform();
|
|
};
|
|
|
|
////////////////
|
|
|
|
var VERILOG_VGA_PRESETS = [
|
|
{id:'hvsync_generator.v', name:'Video Sync Generator'},
|
|
{id:'test_hvsync.v', name:'Test Pattern'},
|
|
{id:'chardisplay.v', name:'RAM Text Display'},
|
|
{id:'starfield.v', name:'Scrolling Starfield'},
|
|
{id:'ball_paddle.v', name:'Brick Smash Game'},
|
|
];
|
|
|
|
|
|
var VerilogVGAPlatform = function(mainElement, options) {
|
|
this.__proto__ = new (VerilogPlatform as any)(mainElement, options);
|
|
|
|
this.getPresets = function() { return VERILOG_VGA_PRESETS; }
|
|
|
|
this.setVideoParams(800-64, 520, 25000000);
|
|
}
|
|
|
|
////////////////
|
|
|
|
PLATFORMS['verilog'] = VerilogPlatform;
|
|
PLATFORMS['verilog-vga'] = VerilogVGAPlatform;
|
|
PLATFORMS['verilog-test'] = VerilogPlatform;
|