828 lines
24 KiB
TypeScript
828 lines
24 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, current_project } from "../ide/ui";
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import { HDLModuleRunner, HDLModuleTrace, HDLUnit, isLogicType } from "../common/hdl/hdltypes";
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import { HDLModuleJS } from "../common/hdl/hdlruntime";
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import { HDLModuleWASM } from "../common/hdl/hdlwasm";
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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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{id:'test_pattern.ice', name:'Test Pattern (Silice)'},
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{id:'copperbars.ice', name:'Animated Bars (Silice)'},
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{id:'rototexture.ice', name:'Rotating Texture (Silice)'},
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//{id:'life.ice', name:'Conway\'s Life (Silice)'},
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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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const SHOW_INTERNAL_SIGNALS = false; // TODO: make this a config value
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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 : RasterVideo;
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var audio;
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var poller;
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var useAudio = false;
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var usePaddles = 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 : Uint32Array;
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var timer : AnimationTimer;
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var timerCallback;
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var top : HDLModuleRunner;
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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 scanlineCycles = 0;
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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(1);
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if (useAudio) {
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audio.feedSample(top.state.spkr, 1);
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}
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resetKbdStrobe();
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if (debugCond && debugCond()) {
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debugCond = null;
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}
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}
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function resetKbdStrobe() {
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if (keycode && keycode >= 128 && top.state.keystrobe) { // keystrobe = clear hi bit of key buffer
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keycode = keycode & 0x7f;
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top.state.keycode = keycode;
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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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await loadScript('./gen/common/hdl/hdlwasm.js');
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await loadScript('./lib/binaryen.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 (top) top.state.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 (!top) 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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}
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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 && top.state.spkr != null;
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usePaddles = top.state.hpaddle != null || top.state.vpaddle != null;
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//TODO debugCond = this.getDebugCallback();
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top.state.switches_p1 = switches[0];
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top.state.switches_p2 = switches[1];
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top.state.switches_gen = switches[2];
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top.state.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(Math.ceil(cyclesPerFrame * fps/60), 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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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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if (!novideo) {
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this.refreshVideoFrame();
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}
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if (this.isBlocked()) {
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this.pause();
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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 (!top) 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, 100, 8);
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ctx.fillStyle = "white";
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ctx.fillText(val.toString(10) + " $" + val.toString(16), 20, videoHeight-1);
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}
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}
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updateVideoFrameCycles(ncycles:number, sync:boolean, trace:boolean) : void {
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ncycles |= 0;
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var inspect = inspect_obj != null && inspect_sym != null;
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// use fast trace buffer-based update?
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if (sync && !trace && !inspect && (top as HDLModuleTrace).trace != null && scanlineCycles > 0) {
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this.updateVideoFrameFast((top as any) as HDLModuleTrace);
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this.updateRecorder();
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return;
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}
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// use slow cycle-by-cycle version (needed on 1st frame to set scanlineCycles anyway)
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if (!sync) scanlineCycles = 0;
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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 = top.state.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 && top.state.hsync) {
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framehsync = true;
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} else if ((framehsync && !top.state.hsync) || framex > videoWidth*2) {
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if (sync && framehsync) scanlineCycles = framex; // set cycles/scanline for fast update function
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framehsync = false;
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framex = 0;
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framey++;
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top.state.hpaddle = framey > video.paddle_x ? 1 : 0;
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top.state.vpaddle = framey > video.paddle_y ? 1 : 0;
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}
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if (framey > maxVideoLines || top.state.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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top.state.hpaddle = 0;
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top.state.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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// use trace buffer to update video
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updateVideoFrameFast(tmod: HDLModuleTrace) {
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if (scanlineCycles <= 0) throw new Error(`scanlineCycles must be > 0`);
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var maxLineCycles = 1009; // prime number so we eventually sync up
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var nextlineCycles = scanlineCycles || maxLineCycles;
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frameidx = 0;
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// audio feed
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function spkr() { if (useAudio) audio.feedSample(tmod.trace.spkr, 1); }
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// iterate through a frame of scanlines + room for vsync
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for (framey=0; framey<videoHeight*2; framey++) {
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if (usePaddles && framey < videoHeight) {
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top.state.hpaddle = framey > video.paddle_x ? 1 : 0;
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top.state.vpaddle = framey > video.paddle_y ? 1 : 0;
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}
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// generate frames in trace buffer
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if (nextlineCycles > 0) {
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top.tick2(nextlineCycles);
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}
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resetKbdStrobe();
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// convert trace buffer to video/audio
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var n = 0;
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// draw scanline visible pixels
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if (framey < videoHeight) {
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for (framex=0; framex<videoWidth; framex++) {
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var rgb = tmod.trace.rgb;
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//if (tmod.trace.hsync) rgb ^= Math.random() * 15;
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idata[frameidx++] = rgb & 0x80000000 ? rgb : RGBLOOKUP[rgb & 15];
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spkr();
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tmod.nextTrace();
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}
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n += videoWidth;
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}
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// find hsync
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var hsyncStart=0, hsyncEnd=0;
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while (n < nextlineCycles) {
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if (tmod.trace.hsync) {
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if (!hsyncStart) hsyncStart = n;
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hsyncEnd = n;
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} else if (hsyncEnd) {
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break;
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}
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spkr();
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tmod.nextTrace();
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n++;
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}
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// see if our scanline cycle count is stable (can't read tmod.trace after end of line)
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if (hsyncStart < hsyncEnd && hsyncEnd == nextlineCycles-1) {
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// scanline cycle count locked in, reset buffer to improve cache locality
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nextlineCycles = scanlineCycles;
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} else if (hsyncEnd > 0) {
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// our cycle count is not in sync with scanline
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// say our scanline lasts 100 cycles
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// we just read 300 cycles, and hsync ended at 80
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// we'll toss the extra cycles in the buffer
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// next scanline should end @ (80 + 100*N) cycles
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// could be 180, 280, 380 ...
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// so we should read 100*N - 300 cycles where N > 2
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// TODO: determine scanlineCycles here instead of letting slow loop do it
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let newCycles = scanlineCycles * 2 - ((nextlineCycles - n) % scanlineCycles);
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//console.log('scanline', framey, scanlineCycles, nextlineCycles, n, hsyncStart, hsyncEnd, newCycles);
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nextlineCycles = newCycles;
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} else {
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nextlineCycles = maxLineCycles;
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}
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tmod.resetTrace();
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// exit when vsync starts and then stops
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if (tmod.trace.vsync) {
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framevsync = true;
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top.state.hpaddle = 0;
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|
top.state.vpaddle = 0;
|
|
framex = framey = frameidx = 0;
|
|
} else if (framevsync) {
|
|
framevsync = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
snapshotTrace() {
|
|
var arr = trace_signals;
|
|
for (var i=0; i<arr.length; i++) {
|
|
var v = arr[i];
|
|
var z = top.state[v.name];
|
|
trace_buffer[trace_index] = z+0;
|
|
trace_index++;
|
|
}
|
|
if (trace_index >= trace_buffer.length - arr.length)
|
|
trace_index = 0;
|
|
}
|
|
|
|
fillTraceBuffer(count:number) : boolean {
|
|
var max_index = Math.min(trace_buffer.length - trace_signals.length, trace_index + count);
|
|
while (trace_index < max_index) {
|
|
this.snapshotTrace();
|
|
if (!top.isStopped() && !top.isFinished()) {
|
|
top.tick();
|
|
}
|
|
if (trace_index == 0)
|
|
break;
|
|
}
|
|
top.state.reset = 0; // need to de-assert reset when using no-video mode
|
|
return (trace_index == 0);
|
|
}
|
|
|
|
getSignalMetadata() : WaveformMeta[] {
|
|
return trace_signals;
|
|
}
|
|
|
|
getSignalData(index:number, start:number, len:number) : number[] {
|
|
// TODO: not efficient
|
|
var skip = this.getSignalMetadata().length;
|
|
var last = trace_buffer.length - trace_signals.length; // TODO: refactor, and not correct
|
|
var wrap = this.hasvideo; // TODO?
|
|
var a = [];
|
|
index += skip * start;
|
|
while (index < last && a.length < len) {
|
|
a.push(trace_buffer[index]);
|
|
index += skip;
|
|
if (wrap && index >= last) // TODO: what if starts with index==last
|
|
index = 0;
|
|
}
|
|
return a;
|
|
}
|
|
|
|
setSignalValue(index:number, value:number) {
|
|
var meta = this.getSignalMetadata()[index];
|
|
top.state[meta.label] = value;
|
|
this.reset();
|
|
}
|
|
|
|
printErrorCodeContext(e, code) {
|
|
if (e.lineNumber && e.message) {
|
|
var lines = code.split('\n');
|
|
var s = e.message + '\n';
|
|
for (var i=0; i<lines.length; i++) {
|
|
if (i > e.lineNumber-5 && i < e.lineNumber+5) {
|
|
s += lines[i] + '\n';
|
|
}
|
|
}
|
|
console.log(s);
|
|
}
|
|
}
|
|
|
|
dispose() {
|
|
if (top) {
|
|
top.dispose();
|
|
top = null;
|
|
}
|
|
}
|
|
|
|
async loadROM(title:string, output:any) {
|
|
var unit = output as HDLUnit;
|
|
var topmod = unit.modules['TOP'];
|
|
if (unit.modules && topmod) {
|
|
{
|
|
// initialize top module and constant pool
|
|
var useWASM = true;
|
|
var topcons = useWASM ? HDLModuleWASM : HDLModuleJS;
|
|
var _top = new topcons(topmod, unit.modules['@CONST-POOL@']);
|
|
_top.getFileData = (path) => current_project.filedata[path]; // external file provider
|
|
await _top.init();
|
|
this.dispose();
|
|
top = _top;
|
|
// create signal array
|
|
var signals : WaveformSignal[] = [];
|
|
for (var key in topmod.vardefs) {
|
|
var vardef = topmod.vardefs[key];
|
|
if (isLogicType(vardef.dtype)) {
|
|
signals.push({
|
|
name: key,
|
|
label: vardef.origName,
|
|
input: vardef.isInput,
|
|
output: vardef.isOutput,
|
|
len: vardef.dtype.left+1
|
|
});
|
|
}
|
|
}
|
|
trace_signals = signals;
|
|
if (!SHOW_INTERNAL_SIGNALS) {
|
|
trace_signals = trace_signals.filter((v) => { return !v.label.startsWith("__V"); }); // remove __Vclklast etc
|
|
}
|
|
trace_index = 0;
|
|
// reset
|
|
if (top instanceof HDLModuleWASM) {
|
|
top.randomizeOnReset = true;
|
|
}
|
|
// query output signals -- video or not?
|
|
this.hasvideo = top.state.vsync != null && top.state.hsync != null && top.state.rgb != null;
|
|
if (this.hasvideo) {
|
|
const IGNORE_SIGNALS = ['clk','reset'];
|
|
trace_signals = trace_signals.filter((v) => { return IGNORE_SIGNALS.indexOf(v.name)<0; }); // remove clk, reset
|
|
$("#speed_bar").show();
|
|
$("#run_bar").show();
|
|
$("#xtra_bar").show();
|
|
} else {
|
|
$("#speed_bar").hide();
|
|
$("#run_bar").hide();
|
|
$("#xtra_bar").hide();
|
|
}
|
|
}
|
|
}
|
|
// randomize values
|
|
top.powercycle();
|
|
// replace program ROM, if using the assembler
|
|
// TODO: fix this, it ain't good
|
|
if (output.program_rom && output.program_rom_variable) {
|
|
if (top.state[output.program_rom_variable]) {
|
|
if (top.state[output.program_rom_variable].length != output.program_rom.length)
|
|
alert("ROM size mismatch -- expected " + top.state[output.program_rom_variable].length + " got " + output.program_rom.length);
|
|
else
|
|
top.state[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();
|
|
}
|
|
// assert reset pin, wait 100 cycles if using video
|
|
this.reset();
|
|
}
|
|
|
|
restartAudio() {
|
|
// stop/start audio
|
|
var hasAudio = top && top.state.spkr != null && 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.isFinished();
|
|
}
|
|
isStopped() {
|
|
return top && top.isStopped();
|
|
}
|
|
|
|
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; }
|
|
|
|
reset() {
|
|
if (!top) return;
|
|
// TODO: how do we avoid clobbering user-modified signals?
|
|
trace_index = 0;
|
|
if (trace_buffer) trace_buffer.fill(0);
|
|
if (video) video.setRotate(top.state.rotate ? -90 : 0);
|
|
$("#verilog_bar").hide();
|
|
if (this.hasvideo) {
|
|
top.state.reset = 1;
|
|
top.tick2(100);
|
|
top.state.reset = 0;
|
|
} else {
|
|
top.state.reset = 1; // reset will be de-asserted later
|
|
this.resume(); // TODO?
|
|
}
|
|
}
|
|
tick() {
|
|
if (!top) return;
|
|
top.tick2(1);
|
|
}
|
|
getToolForFilename(fn) {
|
|
if (fn.endsWith(".asm")) return "jsasm";
|
|
else if (fn.endsWith(".ice")) return "silice";
|
|
else return "verilator";
|
|
}
|
|
getDefaultExtension() { return ".v"; };
|
|
|
|
inspect(name:string) : string {
|
|
if (!top) return;
|
|
// check for valid identifier
|
|
if (!name || !name.match(/^\w+$/)) {
|
|
inspect_obj = inspect_sym = null;
|
|
return;
|
|
}
|
|
// search for partial name
|
|
var val;
|
|
for (let key in top.state) {
|
|
if (key == name || key.endsWith("$"+name)) {
|
|
name = key;
|
|
val = top.state[name];
|
|
}
|
|
}
|
|
// did we find a number?
|
|
if (typeof(val) === 'number') {
|
|
inspect_obj = top.state;
|
|
inspect_sym = name;
|
|
} else {
|
|
inspect_obj = inspect_sym = null;
|
|
}
|
|
}
|
|
|
|
// DEBUGGING
|
|
|
|
getDebugTree() {
|
|
return {
|
|
runtime: top,
|
|
state: top && top.getGlobals()
|
|
}
|
|
}
|
|
|
|
saveState() {
|
|
return {o: top && top.saveState()};
|
|
}
|
|
|
|
loadState(state) {
|
|
if (state.o) top.loadState(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() {
|
|
if (top instanceof HDLModuleJS) {
|
|
return {
|
|
extension:".js",
|
|
blob: new Blob([top.getJSCode()], {type:"text/plain"})
|
|
};
|
|
} else if (top instanceof HDLModuleWASM) {
|
|
return {
|
|
extension:".wat",
|
|
blob: new Blob([top.bmod.emitText()], {type:"text/plain"})
|
|
};
|
|
}
|
|
}
|
|
getHDLModuleRunner() {
|
|
return top;
|
|
}
|
|
showHelp?(tool:string, ident?:string) : void {
|
|
if (tool == 'silice')
|
|
window.open("'https://github.com/sylefeb/Silice'", "_help");
|
|
else
|
|
window.open("https://8bitworkshop.com/docs/platforms/verilog/");
|
|
}
|
|
|
|
} // 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;
|