import { Platform } from "../common/baseplatform"; import { EmuHalt, PLATFORMS } from "../common/emu"; import { Devel6502 } from "../machine/devel"; import { Base6502MachinePlatform } from "../common/baseplatform"; import { SerialIOInterface } from "../common/devices"; import { byteArrayToString, convertDataToUint8Array, hex } from "../common/util"; import { TeleType } from "../common/teletype"; import { haltEmulation, loadScript } from "../ide/ui"; var DEVEL_6502_PRESETS = [ {id:'hello.dasm', name:'Hello World (ASM)'}, ]; class SerialInOutViewer { div : HTMLElement; tty : TeleType; constructor(div: HTMLElement) { div.style.overflowY = 'auto'; var gameport = $('
').appendTo(div); $('

Serial Output

').appendTo(gameport); var windowport = $('
').appendTo(gameport); this.div = windowport[0]; } start() { this.tty = new TeleType(this.div, false); //this.tty.ncols = 40; } reset() { this.tty.clear(); } saveState() { return this.tty.saveState(); } loadState(state) { this.tty.loadState(state); } } function byteToASCII(b: number) : string { if (b == 10) return ''; if (b < 32) return String.fromCharCode(b + 0x2400); else return String.fromCharCode(b); } export class SerialTestHarness implements SerialIOInterface { viewer : SerialInOutViewer; bufferedRead : boolean = true; cyclesPerByte = 1000000/(57600/8); // 138.88888 cycles maxOutputBytes = 4096; inputBytes : Uint8Array; outputBytes : number[]; inputIndex : number; clk : number; bufin : string; clearToSend(): boolean { return this.outputBytes.length < this.maxOutputBytes; } sendByte(b: number) { if (this.clearToSend()) { this.outputBytes.push(b); this.viewer.tty.addtext(byteToASCII(b), 2|32); if (b == 10) this.viewer.tty.newline(); if (!this.clearToSend()) { this.viewer.tty.newline(); this.viewer.tty.addtext("⚠️ OUTPUT BUFFER FULL ⚠️", 4); } } } byteAvailable(): boolean { return this.readIndex() > this.inputIndex; } recvByte(): number { var index = this.readIndex(); this.inputIndex = index; var b = (this.inputBytes && this.inputBytes[index]) | 0; //this.bufin += byteToASCII(b); this.viewer.tty.addtext(byteToASCII(b), 2|16); if (b == 10) this.viewer.tty.newline(); return b; } readIndex(): number { return this.bufferedRead ? (this.inputIndex+1) : Math.floor(this.clk / this.cyclesPerByte); } reset() { this.inputIndex = -1; this.clk = 0; this.outputBytes = []; this.bufin = ''; } advance(clocks: number) { this.clk += clocks; } saveState() { return { clk: this.clk, idx: this.inputIndex, out: this.outputBytes.slice() } } loadState(state) { this.clk = state.clk; this.inputIndex = state.idx; this.outputBytes = state.out.slice(); } } class Devel6502Platform extends Base6502MachinePlatform implements Platform { serial : SerialTestHarness; serview : SerialInOutViewer; constructor(mainElement: HTMLElement) { super(mainElement); this.serview = new SerialInOutViewer(mainElement); } async start() { super.start(); await loadScript('./gen/common/teletype.js'); this.serial = new SerialTestHarness(); this.serial.viewer = this.serview; this.serview.start(); this.machine.connectSerialIO(this.serial); } reset() { this.serial.inputBytes = convertDataToUint8Array(this.internalFiles['serialin.dat']); super.reset(); this.serview.reset(); } isBlocked() { return this.machine.isHalted(); } advance(novideo: boolean) { if (this.isBlocked()) { this.internalFiles['serialout.dat'] = byteArrayToString(this.serial.outputBytes); haltEmulation(); return 0; } return super.advance(novideo); } saveState() { var state : any = super.saveState(); state.serial = this.serial.saveState(); state.serview = this.serview.saveState(); return state; } loadState(state) { super.loadState(state); this.serial.loadState(state.serial); this.serview.loadState(state.serview); // TODO: reload tty UI } newMachine() { return new Devel6502(); } getPresets() { return DEVEL_6502_PRESETS; } getDefaultExtension() { return ".dasm"; }; readAddress(a) { return this.machine.readConst(a); } getMemoryMap = function() { return { main:[ {name:'RAM', start:0x0000,size:0x4000,type:'ram'}, {name:'ROM', start:0x8000,size:0x8000,type:'rom'}, ] } }; } /// PLATFORMS['devel-6502'] = Devel6502Platform;