Now with >1 example
This commit is contained in:
parent
3cf5ac90e9
commit
114baa07b4
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@ -56,7 +56,11 @@ function Hexlify(buf) {
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* @returns {Uint8Array} Decoded array
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*/
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function Unhexlify(str) {
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let a = str.match(/[0-9a-fA-F]{2}/g).map(v => parseInt(v, 16))
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let a = []
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let match = str.match(/[0-9a-fA-F]{2}/g) || []
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for (let m of match) {
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a.push(parseInt(m, 16))
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}
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return new Uint8Array(a)
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}
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23
index.html
23
index.html
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@ -2,11 +2,12 @@
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<html>
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<head>
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<title>Triscit</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.4/css/bulma.min.css">
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@mdi/font@6.5.95/css/materialdesignicons.min.css">
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<script src="triscit.mjs" type="module"></script>
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<link rel="stylesheet" href="triscit.css">
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<script src="ui.mjs" type="module"></script>
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<link rel="stylesheet" href="ui.css">
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</head>
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<body>
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<section class="section">
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@ -26,29 +27,25 @@
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<button class="button is-primary" data-control="step"><i class="mdi mdi-skip-next"></i></button>
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</div>
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</div>
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<div class="block may-be-tall">
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<table class="table is-striped is-hoverable" id="instructions"></table>
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</div>
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</div>
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</div>
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<div class="column">
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<div class="box">
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<div class="field">
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<label class="label">Program</label>
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<textarea class="textarea" data-control="program">
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05 0d
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61 62 63 64 65 66 67 68 69 6a 00
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02 02
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01 02
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06
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</textarea>
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</div>
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<div class="field">
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<label class="label">Input</label>
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<input class="input" data-control="input" placeholder="\x00 style escapes accepted" value="hello">
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</div>
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<div class="field">
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<label class="label">Output</label>
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<input class="input" data-value="output" readonly>
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<output class="input" data-value="output"></output>
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</div>
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<div class="field">
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<label class="label">Program</label>
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<textarea class="textarea" data-control="program"></textarea>
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</div>
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</div>
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</div>
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161
triscit.mjs
161
triscit.mjs
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@ -86,13 +86,14 @@ class CPU {
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Step() {
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let prog = this.Program.slice(this.PC)
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let inst = disassemble(prog)
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let flags = this.Flags
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this.Flags = 0
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switch (inst.name) {
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case "JUMP":
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this.PC = inst.args[0]
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return
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case "JNEQ":
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if (this.Flags && FLAG_NEGATIVE) {
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if (flags && FLAG_NEGATIVE) {
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this.PC = inst.args[0]
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return
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}
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@ -119,15 +120,16 @@ class CPU {
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let addr = inst.args[0]
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let prog = this.Program.slice(addr)
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this.Output = Binutils.CString(prog)
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console.log(addr, this.Output)
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break
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}
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case "CMPS": {
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let a = Binutils.CString(this.Program.slice(inst.args[0]))
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let b = Binutils.CString(this.Program.slice(inst.args[1]))
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if (a == b) {
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let decoder = new TextDecoder()
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let a = decoder.decode(Binutils.CString(this.Program.slice(inst.args[0])))
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let b = decoder.decode(Binutils.CString(this.Program.slice(inst.args[1])))
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if (a != b) {
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this.Flags = FLAG_NEGATIVE
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}
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break
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}
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case "HALT":
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// Don't modify PC
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@ -145,149 +147,8 @@ class CPU {
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}
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}
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class Triscit {
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constructor(program=[]) {
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this.program = program
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this.Init()
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this.Reset()
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}
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Init() {
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for (let e of document.querySelectorAll("[data-control]")) {
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switch (e.dataset.control) {
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case "step":
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e.addEventListener("click", () => this.Step())
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break
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case "back":
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e.addEventListener("click", () => this.Unstep())
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break
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case "reset":
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e.addEventListener("click", () => this.Reset())
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break
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case "input":
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e.addEventListener("input", () => this.SetInput())
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break
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case "program":
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e.addEventListener("input", () => this.SetProgram())
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}
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}
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let ih = document.querySelector("#instructions-help")
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for (let i = 0; i < Instructions.length; i++) {
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let inst = Instructions[i]
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let doc = document.querySelector("template#instruction-help").content.cloneNode(true)
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let tr = doc.firstElementChild
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tr.querySelector(".num").textContent = i
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tr.querySelector(".name").textContent = inst.Name
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tr.querySelector(".description").textContent = inst.Description
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ih.appendChild(doc)
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}
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this.SetInput()
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this.SetProgram()
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}
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Reset() {
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this.cpu = new CPU(this.program, this.input)
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this.stack = []
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this.Refresh()
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}
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Refresh() {
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let inste = document.querySelector("#instructions")
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while (inste.firstChild) inste.firstChild.remove()
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for (let i of this.cpu.DisassembleProgram()) {
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let doc = document.querySelector("template#instruction").content.cloneNode(true)
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let tr = doc.firstElementChild
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tr.querySelector(".addr").textContent = i.addr
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tr.querySelector(".name").textContent = i.name
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tr.querySelector(".hex").textContent = Binutils.Hexlify(i.buf)
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let args = tr.querySelector(".args")
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for (let a of i.args) {
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args.textContent += `${a} `
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}
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if (i.addr == this.cpu.PC) {
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tr.classList.add("is-selected")
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}
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inste.appendChild(tr)
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}
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for (let e of document.querySelectorAll("[data-flag]")) {
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let mask = 0
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let className = "is-info"
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switch (e.dataset.flag) {
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case "negative":
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mask = FLAG_NEGATIVE
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break
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case "halt":
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mask = FLAG_HALT
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break
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case "fire":
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mask = FLAG_ABLAZE
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className = "is-danger"
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break
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}
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if (this.cpu.Flags & mask) {
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e.classList.add(className)
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} else {
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e.classList.remove(className)
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}
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}
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for (let e of document.querySelectorAll("[data-value]")) {
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switch (e.dataset.value) {
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case "pc":
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e.textContent = this.cpu.PC
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break
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case "output":
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console.log(this.cpu.Output)
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e.value = Binutils.Stringify(this.cpu.Output)
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break
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}
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}
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}
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Step() {
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if (this.cpu.Flags & FLAG_HALT) {
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return
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}
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this.stack.push(this.cpu)
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this.cpu = this.cpu.Clone()
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this.cpu.Step()
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this.Refresh()
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}
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Unstep() {
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if (this.stack.length == 0) {
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return
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}
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this.cpu = this.stack.pop()
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this.Refresh()
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}
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SetProgram() {
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let e =document.querySelector('[data-control="program"]')
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this.program = Binutils.Unhexlify(e.value || "")
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this.Reset()
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}
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SetInput() {
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let e = document.querySelector('[data-control="input"]')
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let v = e.value || ""
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this.input = Binutils.Unescape(v)
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this.Reset()
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}
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}
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function init() {
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let app = new Triscit()
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window.app = app
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}
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if (document.readyState === "loading") {
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document.addEventListener("DOMContentLoaded", init)
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} else {
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init()
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export {
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FLAG_NEGATIVE, FLAG_HALT, FLAG_ABLAZE,
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Instructions,
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CPU,
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}
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@ -1,3 +1,8 @@
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.may-be-tall {
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overflow-y: scroll;
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max-height: 80vh;
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}
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#instructions th.addr {
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text-align: right;
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color: brown;
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@ -0,0 +1,176 @@
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import * as Binutils from "./binutils.mjs"
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import * as Triscit from "./triscit.mjs"
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const SamplePrograms = [
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`05 0d
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61 62 63 64 65 66 67 68 69 6a 00
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02 02
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01 02
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06
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`,
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`05 31
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61 62 63 64 65 66 67 68 69 6a 00
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70 61 73 73 77 6f 72 64 00
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53 75 70 65 72 20 53 65 63 72 65 74 00
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53 6f 72 72 79 2c 20 77 72 6f 6e 67 2e 00
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02 02
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03 02 0d
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04 3b
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01 16
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06
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01 23
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06
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`
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]
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class UI {
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constructor(program=[]) {
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this.program = program
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this.Init()
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this.Reset()
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}
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Init() {
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for (let e of document.querySelectorAll("[data-control]")) {
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switch (e.dataset.control) {
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case "step":
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e.addEventListener("click", () => this.Step())
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break
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case "back":
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e.addEventListener("click", () => this.Unstep())
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break
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case "reset":
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e.addEventListener("click", () => this.Reset())
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break
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case "input":
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e.addEventListener("input", () => this.SetInput())
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break
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case "program":
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e.addEventListener("input", () => this.SetProgram())
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}
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}
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let ih = document.querySelector("#instructions-help")
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for (let i = 0; i < Triscit.Instructions.length; i++) {
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let inst = Triscit.Instructions[i]
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let doc = document.querySelector("template#instruction-help").content.cloneNode(true)
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let tr = doc.firstElementChild
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tr.querySelector(".num").textContent = i
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tr.querySelector(".name").textContent = inst.Name
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tr.querySelector(".description").textContent = inst.Description
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ih.appendChild(doc)
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}
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let fields = new URLSearchParams(window.location.search);
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let progNumber = fields.get("p") || 0
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let progElement = document.querySelector('[data-control="program"]')
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progElement.value = SamplePrograms[progNumber]
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this.SetInput()
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this.SetProgram()
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}
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Reset() {
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this.cpu = new Triscit.CPU(this.program, this.input)
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this.stack = []
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this.Refresh()
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}
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Refresh() {
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let inste = document.querySelector("#instructions")
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while (inste.firstChild) inste.firstChild.remove()
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for (let i of this.cpu.DisassembleProgram()) {
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let doc = document.querySelector("template#instruction").content.cloneNode(true)
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let tr = doc.firstElementChild
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tr.querySelector(".addr").textContent = i.addr
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tr.querySelector(".name").textContent = i.name
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tr.querySelector(".hex").textContent = Binutils.Hexlify(i.buf)
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let args = tr.querySelector(".args")
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for (let a of i.args) {
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args.textContent += `${a} `
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}
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inste.appendChild(tr)
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if (i.addr == this.cpu.PC) {
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tr.classList.add("is-selected")
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tr.scrollIntoView(false)
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}
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}
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for (let e of document.querySelectorAll("[data-flag]")) {
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let mask = 0
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let className = "is-info"
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switch (e.dataset.flag) {
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case "negative":
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mask = Triscit.FLAG_NEGATIVE
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break
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case "halt":
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mask = Triscit.FLAG_HALT
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break
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case "fire":
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mask = Triscit.FLAG_ABLAZE
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className = "is-danger"
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break
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}
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if (this.cpu.Flags & mask) {
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e.classList.add(className)
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} else {
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e.classList.remove(className)
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}
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}
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for (let e of document.querySelectorAll("[data-value]")) {
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switch (e.dataset.value) {
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case "pc":
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e.textContent = this.cpu.PC
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break
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case "output":
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e.textContent = Binutils.Stringify(this.cpu.Output)
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break
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}
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}
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}
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Step() {
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if (this.cpu.Flags & Triscit.FLAG_HALT) {
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return
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}
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this.stack.push(this.cpu)
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this.cpu = this.cpu.Clone()
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this.cpu.Step()
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this.Refresh()
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}
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Unstep() {
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if (this.stack.length == 0) {
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return
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}
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this.cpu = this.stack.pop()
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this.Refresh()
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}
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SetProgram() {
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let e =document.querySelector('[data-control="program"]')
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this.program = Binutils.Unhexlify(e.value || "")
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this.Reset()
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}
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SetInput() {
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let e = document.querySelector('[data-control="input"]')
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let v = e.value || ""
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this.input = Binutils.Unescape(v)
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this.Reset()
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}
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}
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function init() {
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let app = new UI()
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window.app = app
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}
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if (document.readyState === "loading") {
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document.addEventListener("DOMContentLoaded", init)
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} else {
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init()
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}
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Loading…
Reference in New Issue