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index.js
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var inputString = "";
var instList = "";
var filechoosen = false;
var wrong_code = false;
var INSTRUCTION = 0;
var Data_transfer_instructions = 0;
var ALU_instructions = 0;
var Control_instructions = 0;
var Control_Hazards = 0;
var Data_Hazards = 0;
var Branch_mispredictions = 0;
var Data_hazards_stalls = 0;
var Control_hazards_stalls = 0;
var INF = 1 << 30;
var Custom_instruction = INF;
var CYCLE = 0;
var not_update_register = 0;
// Cache stats
var icache_hit = 0;
var icache_miss = 0;
var dcache_hit = 0;
var dcache_miss = 0;
var total_memory_stall = 0;
//Cache variables
var icache_size = 16;
var icache_block = 4;
var icache_assoc = 2;
var dcache_size = 16;
var dcache_block = 4;
var dcache_assoc = 2;
var icache_type = "direct"; // "direct", "fully", "set"
var dcache_type = "direct"; // "direct", "fully", "set"
var cachePolicy = "lru"; // "lru", "fifo", "random", "lfu"
var CACHE_STALLS = 20;
var icache_rows = 10;
var dcache_rows = 10;
// Knobs
var knobs = {
"pipeline_knob": false,
"data_knob": false,
"rf_knob": false,
"pipeline_info_knob": false,
"custom_info_knob": false,
"text_segment_knob": false,
"cache": false
}
var knobID = {
"pipeline_knob": "toggle1",
"data_knob": "toggle2",
"rf_knob": "toggle3",
"pipeline_info_knob": "toggle4",
"custom_info_knob": "toggle5",
"cache": "toggle6"
// "text_segment_knob": "toggle6"
}
CACHE_STALLS--;
// Adding event listener to all the knobs
for (let knob in knobs) {
try {
let knobElement = document.getElementById(knobID[knob]);
knobElement.addEventListener("click", function() {
knobs[knob] = !knobs[knob];
knobElement.checked = knobs[knob];
console.log(knobs);
// Adding prompt for custom_info_knob
if (knob == "custom_info_knob" && knobs[knob]) {
Custom_instruction = prompt("Enter instruction number for which you want to see the pipeline trace");
if (isNaN(Custom_instruction)) {
Custom_instruction = INF;
}
}
});
}
catch {continue;}
}
let cache_dropdown_ids = [
"but-icache-direct",
"but-icache-fully",
"but-icache-set",
"but-policy-lru",
"but-policy-fifo",
"but-policy-random",
"but-policy-lfu",
"but-dcache-direct",
"but-dcache-fully",
"but-dcache-set"
]
for (let id of cache_dropdown_ids) {
let ele = document.getElementById(id);
ele.style.fontWeight = "bold";
ele.style.fontSize = "1.2rem";
let par = ele.parentElement.parentElement.firstElementChild;
par.style.fontWeight = "bold";
par.style.fontSize = "1.4rem";
ele.addEventListener("click", function() {
let par = ele.parentElement.parentElement;
par.firstElementChild.textContent = ele.textContent;
if (id.includes("icache")) {
icache_type = id.split("-")[2];
} else if (id.includes("dcache")) {
dcache_type = id.split("-")[2];
} else {
cachePolicy = id.split("-")[2];
}
});
}
document.getElementById("icache_size").addEventListener("change", function() {
icache_size = document.getElementById("icache_size").value;
});
document.getElementById("icache_block").addEventListener("change", function() {
icache_block = document.getElementById("icache_block").value;
});
document.getElementById("icache_assoc").addEventListener("change", function() {
icache_assoc = document.getElementById("icache_assoc").value;
});
document.getElementById("dcache_size").addEventListener("change", function() {
dcache_size = document.getElementById("dcache_size").value;
});
document.getElementById("dcache_block").addEventListener("change", function() {
dcache_block = document.getElementById("dcache_block").value;
});
document.getElementById("dcache_assoc").addEventListener("change", function() {
dcache_assoc = document.getElementById("dcache_assoc").value;
});
function updateStats() {
document.getElementById("cycle-count").innerHTML = CYCLE;
document.getElementById("instruction-count").innerHTML = INSTRUCTION;
document.getElementById("cpi-count").innerHTML = (CYCLE / INSTRUCTION).toPrecision(3);
document.getElementById("stat-0").innerHTML = Data_transfer_instructions;
document.getElementById("stat-1").innerHTML = ALU_instructions;
document.getElementById("stat-2").innerHTML = Control_instructions;
document.getElementById("stat-3").innerHTML = Data_Hazards;
document.getElementById("stat-4").innerHTML = Control_Hazards;
document.getElementById("stat-5").innerHTML = Control_Hazards;
document.getElementById("stat-6").innerHTML = Data_hazards_stalls + Control_hazards_stalls;
document.getElementById("stat-7").innerHTML = Data_hazards_stalls;
document.getElementById("stat-8").innerHTML = Control_hazards_stalls;
document.getElementById("stat-9").innerHTML = icache_hit;
document.getElementById("stat-10").innerHTML = icache_miss;
document.getElementById("stat-11").innerHTML = dcache_hit;
document.getElementById("stat-12").innerHTML = dcache_miss;
document.getElementById("stat-13").innerHTML = total_memory_stall;
}
function ensureInView(container, element) {
//Determine container top and bottom
let cTop = container.scrollTop + container.offsetTop;
let cBottom = cTop + container.clientHeight;
//Determine element top and bottom
let eTop = element.offsetTop;
let eBottom = eTop + element.clientHeight;
//Check if out of view
if (eTop < cTop) {
container.scrollTop -= (cTop - eTop);
}
else if (eBottom > cBottom) {
container.scrollTop += (eBottom - cBottom);
}
}
function ensureInViewHor(container, element) {
//Determine container Left and Rigth
let cLeft = container.scrollLeft + container.offsetLeft;
let cRigth = cLeft + container.clientWidth;
//Determine element Left and Rigth
let eLeft = element.offsetLeft;
let eRigth = eLeft + element.clientWidth;
//Check if out of view
if (eLeft < cLeft) {
container.scrollLeft -= (cLeft - eLeft);
}
else if (eRigth > cRigth) {
container.scrollLeft += (eRigth - cRigth);
}
}
// var PREV_PC = -1;
function displayDecodedInstructionAndHazard(pc, ins_to_print, hazard) {
// "data" -> data hazard; "control" -> Control hazard; otherwise no hazard
// document.getElementById("instruction-rowd-" + this.pc[1]).innerText = ins_to_print;
let row = document.querySelector("#instruction-rowd-" + pc);
// Bringing row element in view
ensureInView(document.getElementsByClassName("instructions")[0], row);
row.innerText = ins_to_print;
let hazardClass = "no-hazard";
// row.parentElement.style.backgroundColor = "white";
if (row.parentElement.classList.contains(hazardClass)) {
row.parentElement.classList.remove(hazardClass);
}
if (row.parentElement.classList.contains("control-hazard")) {
row.parentElement.classList.remove("control-hazard");
}
if (row.parentElement.classList.contains("data-hazard")) {
row.parentElement.classList.remove("data-hazard");
}
if (hazard == "control" || hazard == "data") {
hazardClass = hazard + "-hazard";
}
void row.parentElement.offsetWidth;
row.parentElement.classList.add(hazardClass);
// row.parentElement.style.animationPlayState = "revert";
// // Removing loop animation from previous row
// if (PREV_PC != -1) {
// let prevRow = document.querySelector("#instruction-rowd-" + PREV_PC);
// prevRow.parentElement.style.animationPlayState = "paused";
// prevRow.parentElement.style.backgroundColor = "white";
// }
// PREV_PC = pc;
}
// File Chooser: stores contents of file in a a global variable inputString
function inputStringParser() {
let parsedString = "";
let lines = inputString.split("\n");
let lineNo = 0;
for (let i = 0; i < lines.length; i++) {
let words = lines[i].replace("0x").split(" ");
if (words.length > 1) {
parsedString += `${words[0]} ${words[1]}\n`;
} else if (words.length == 1) {
let lineNoHex = lineNo.toString(16);
parsedString += `${lineNoHex} ${words[0]}\n`;
lineNo += 4;
}
}
inputString = parsedString.trim();
instList = inputString.split("\n");
instList.pop();
// console.log(instList);
// console.log(instList.length);
}
function decode2(a) {
a = a.toUpperCase();
function toint(a) {
let l = a.length;
let ans = 0;
let m = 1;
for (let i = l - 1; i >= 0; i--) {
if (a[i] == "1") {
ans = ans + m;
}
m = m * 2;
}
return ans;
}
function negative(a) {
let m = 1;
let ans = 0;
for (let i = a.length - 1; i > 0; i--) {
if (a[i] == "1") {
ans += m;
}
m *= 2;
}
ans -= m;
return ans;
}
function tobin(a) {
let s = "";
if (a == "0") {
a = 0;
}
if (a == "1") {
a = 1;
}
if (a == "2") {
a = 2;
}
if (a == "3") {
a = 3;
}
if (a == "4") {
a = 4;
}
if (a == "5") {
a = 5;
}
if (a == "6") {
a = 6;
}
if (a == "7") {
a = 7;
}
if (a == "8") {
a = 8;
}
if (a == "9") {
a = 9;
}
if (a == "A") {
a = 10;
}
if (a == "B") {
a = 11;
}
if (a == "C") {
a = 12;
}
if (a == "D") {
a = 13;
}
if (a == "E") {
a = 14;
}
if (a == "F") {
a = 15;
}
for (let i = 0; i < 4; i++) {
let x = a % 2;
// x.toString();
s = s + x;
a = Math.floor(a / 2);
}
// reverse(s);
let s2 = "";
let l = s.length;
for (let i = 0; i < l; i++) {
s2 = s[i] + s2;
}
return s2;
}
let s = "";
let l = a.length;
for (let i = 0; i < l; i++) {
let s1 = tobin(a[i]);
s = s + s1;
}
let opcode = "";
for (let i = 25; i < 32; i++) {
opcode = opcode + s[i];
}
if (opcode == "0110011") {
let ret = { op: "", rd: 0, rs1: 0, rs2: 0, imm: 0 };
let r = "";
for (let i = 20; i < 25; i++) {
r = r + s[i];
}
let fun3 = "";
for (let i = 17; i < 20; i++) {
fun3 = fun3 + s[i];
}
let r1 = "";
for (let i = 12; i < 17; i++) {
r1 = r1 + s[i];
}
let r2 = "";
for (let i = 7; i < 12; i++) {
r2 = r2 + s[i];
}
let fun7 = "";
for (let i = 0; i < 7; i++) {
fun7 = fun7 + s[i];
}
ret.rs1 = toint(r1);
ret.rs2 = toint(r2);
ret.rd = toint(r);
if (fun3 == "000" && fun7 == "0000000") {
ret.op = "add";
} else if (fun3 == "000" && fun7 == "0100000") {
ret.op = "sub";
} else if (fun3 == "100" && fun7 == "0000000") {
ret.op = "xor";
} else if (fun3 == "110" && fun7 == "0000000") {
ret.op = "or";
} else if (fun3 == "111" && fun7 == "0000000") {
ret.op = "and";
} else if (fun3 == "001" && fun7 == "0000000") {
ret.op = "sll";
} else if (fun3 == "101" && fun7 == "0000000") {
ret.op = "srl";
} else if (fun3 == "101" && fun7 == "0100000") {
ret.op = "sra";
} else if (fun3 == "010" && fun7 == "0000000") {
ret.op = "slt";
} else if (fun3 == "011" && fun7 == "0000000") {
ret.op = "sltu";
}
return ret;
} else if (opcode == "0010011") {
let ret = { op: 0, rd: 0, rs1: 0, imm: 0, rs2: 0 };
let r = "";
for (let i = 20; i < 25; i++) {
r = r + s[i];
}
let fun3 = "";
for (let i = 17; i < 20; i++) {
fun3 = fun3 + s[i];
}
let r1 = "";
for (let i = 12; i < 17; i++) {
r1 = r1 + s[i];
}
let imm = "";
for (let i = 0; i < 12; i++) {
imm = imm + s[i];
}
let fun7 = "";
for (let i = 0; i < 7; i++) {
fun7 += imm[i];
}
ret.rs1 = toint(r1);
ret.rd = toint(r);
if (imm[0] == 1) {
ret.imm = negative(imm);
} else {
ret.imm = toint(imm);
}
if (fun3 == "000") {
ret.op = "add";
} else if (fun3 == "100") {
ret.op = "xor";
} else if (fun3 == "110") {
ret.op = "or";
} else if (fun3 == "111") {
ret.op = "and";
} else if (fun3 == "001" && fun7 == "0000000") {
ret.op = "sll";
} else if (fun3 == "101" && fun7 == "0000000") {
ret.op = "srl";
} else if (fun3 == "101" && fun7 == "0100000") {
ret.op = "sra";
} else if (fun3 == "010") {
ret.op = "slt";
} else if (fun3 == "011") {
ret.op = "sltu";
}
ret.op = ret.op + "i";
return ret;
} else if (opcode == "0000011") {
let ret = { op: "", rd: 0, rs1: 0, imm: 0, rs2: 0 };
let r = "";
for (let i = 20; i < 25; i++) {
r = r + s[i];
}
let fun3 = "";
for (let i = 17; i < 20; i++) {
fun3 = fun3 + s[i];
}
let r1 = "";
for (let i = 12; i < 17; i++) {
r1 = r1 + s[i];
}
let imm = "";
for (let i = 0; i < 12; i++) {
imm = imm + s[i];
}
ret.rs1 = toint(r1);
ret.rd = toint(r);
if (imm[0] == "1") {
ret.imm = negative(imm);
} else {
ret.imm = toint(imm);
}
if (fun3 == "000") {
ret.op = "lb";
} else if (fun3 == "001") {
ret.op = "lh";
} else if (fun3 == "010") {
ret.op = "lw";
} else if (fun3 == "100") {
ret.op = "lbu";
} else if (fun3 == "101") {
ret.op = "lhu";
}
return ret;
} else if (opcode == "0100011") {
let ret = { op: "", rs1: 0, rs2: 0, imm: 0, rd: 0 };
let imm = "";
for (let i = 0; i < 7; i++) {
imm = imm + s[i];
}
for (let i = 20; i < 25; i++) {
imm = imm + s[i];
}
let fun3 = "";
for (let i = 17; i < 20; i++) {
fun3 = fun3 + s[i];
}
let rs1 = "";
for (let i = 12; i < 17; i++) {
rs1 = rs1 + s[i];
}
let rs2 = "";
for (let i = 7; i < 12; i++) {
rs2 = rs2 + s[i];
}
ret.rs1 = toint(rs1);
ret.rs2 = toint(rs2);
if (imm[0] == "1") {
ret.imm = negative(imm);
} else {
ret.imm = toint(imm);
}
if (fun3 == "000") {
ret.op = "sb";
} else if (fun3 == "001") {
ret.op = "sh";
} else if (fun3 == "010") {
ret.op = "sw";
}
return ret;
} else if (opcode == "1100011") {
let ret = { op: "", rs1: 0, rs2: 0, imm: 0, rd: 0 };
let imm = "";
imm = imm + s[0];
imm = imm + s[24];
for (let i = 1; i < 7; i++) {
imm = imm + s[i];
}
for (let i = 20; i < 24; i++) {
imm = imm + s[i];
}
imm += "0";
let fun3 = "";
for (let i = 17; i < 20; i++) {
fun3 = fun3 + s[i];
}
let rs1 = "";
for (let i = 12; i < 17; i++) {
rs1 = rs1 + s[i];
}
let rs2 = "";
for (let i = 7; i < 12; i++) {
rs2 = rs2 + s[i];
}
ret.rs1 = toint(rs1);
ret.rs2 = toint(rs2);
if (imm[0] == "1") {
ret.imm = negative(imm);
} else {
ret.imm = toint(imm);
}
if (fun3 == "000") {
ret.op = "beq";
} else if (fun3 == "001") {
ret.op = "bne";
} else if (fun3 == "100") {
ret.op = "blt";
} else if (fun3 == "101") {
ret.op = "bge";
} else if (fun3 == "110") {
ret.op = "bltu";
} else if (fun3 == "111") {
ret.op = "bgeu";
}
return ret;
} else if (opcode == "0110111" || opcode == "0010111") {
let ret = { op: 0, rd: 0, imm: 0, rs1: 0, rs2: 0 };
let rd = "";
for (let i = 20; i < 25; i++) {
rd = rd + s[i];
}
let imm = "";
for (let i = 0; i < 20; i++) {
imm = imm + s[i];
}
ret.rd = toint(rd);
if (imm[0] == "1") {
ret.imm = negative(imm);
} else {
ret.imm = toint(imm);
}
if (opcode == "0010111") {
ret.op = "auipc";
} else {
ret.op = "lui";
}
return ret;
} else if (opcode == "1101111") {
let ret = { op: "", rd: 0, imm: 0, rs1: 0, rs2: 0 };
let rd = "";
for (let i = 20; i < 25; i++) {
rd = rd + s[i];
}
let imm = "";
imm = imm + s[0];
for (let i = 12; i < 20; i++) {
imm = imm + s[i];
}
imm = imm + s[11];
for (let i = 1; i < 11; i++) {
imm = imm + s[i];
}
imm += "0";
ret.rd = toint(rd);
if (imm[0] == "1") {
ret.imm = negative(imm);
} else {
ret.imm = toint(imm);
}
ret.op = "jal";
return ret;
} else if (opcode == "1100111") {
let ret = { op: "", rd: 0, rs1: 0, imm: 0, rd: 0 };
let r = "";
for (let i = 20; i < 25; i++) {
r = r + s[i];
}
let fun3 = "";
for (let i = 17; i < 20; i++) {
fun3 = fun3 + s[i];
}
let r1 = "";
for (let i = 12; i < 17; i++) {
r1 = r1 + s[i];
}
let imm = "";
for (let i = 0; i < 12; i++) {
imm = imm + s[i];
}
let fun7 = "";
for (let i = 0; i < 7; i++) {
fun7 += imm[i];
}
ret.rs1 = toint(r1);
ret.rd = toint(r);
if (imm[0] == "1") {
ret.imm = negative(imm);
} else {
ret.imm = toint(imm);
}
if (fun3 == "000") {
ret.op = "jalr";
}
return ret;
} else if (opcode == "1110011") {
let ret = { op: "", rd: 0, rs1: 0, imm: 0, rs2: 0 };
let r = "";
for (let i = 20; i < 25; i++) {
r = r + s[i];
}
let fun3 = "";
for (let i = 17; i < 20; i++) {
fun3 = fun3 + s[i];
}
let r1 = "";
for (let i = 12; i < 17; i++) {
r1 = r1 + s[i];
}
let imm = "";
for (let i = 0; i < 12; i++) {
imm = imm + s[i];
}
let fun7 = "";
for (let i = 0; i < 7; i++) {
fun7 += imm[i];
}
ret.rs1 = toint(r1);
ret.rd = toint(r);
if (imm[0] == "1") {
ret.imm = negative(imm);
} else {
ret.imm = toint(imm);
}
imm = toint(imm);
if ((fun3 = "000")) {
if (imm == 0) {
ret.op = "ecall";
} else if (imm == 1) {
ret.op = "ebreak";
}
}
return ret;
} else {
let ret = { op: "error", rs1: 0, rs2: 0, rd: 0, imm: 0 };
return ret;
}
}
function print_ins(obj) {
let op = obj.op;
if (
op == "add" ||
op == "sub" ||
op == "xor" ||
op == "or" ||
op == "and" ||
op == "sll" ||
op == "srl" ||
op == "sra" ||
op == "slt" ||
op == "sltu"
) {
let s =
obj.op + " " + "x" + obj.rd + " " + "x" + obj.rs1 + " " + "x" + obj.rs2;
return s;
}
if (
op == "addi" ||
op == "xori" ||
op == "ori" ||
op == "andi" ||
op == "slli" ||
op == "srli" ||
op == "srai" ||
op == "slti" ||
op == "sltiu"
) {
let s = obj.op + " " + "x" + obj.rd + " " + "x" + obj.rs1 + " " + obj.imm;
return s;
}
if (op == "lb" || op == "lh" || op == "lw" || op == "lbu" || op == "lhu") {
let s = obj.op + " " + "x" + obj.rd + " " + obj.imm + "(x" + obj.rs1 + ")";
return s;
}
if (op == "sb" || op == "sh" || op == "sw") {
let s = obj.op + " " + "x" + obj.rs2 + " " + obj.imm + "(x" + obj.rs1 + ")";
return s;
}
if (
op == "beq" ||
op == "bne" ||
op == "blt" ||
op == "bge" ||
op == "bltu" ||
op == "bgeu"
) {
let s = obj.op + " " + "x" + obj.rs1 + " " + "x" + obj.rs2 + " " + obj.imm;
return s;
}
if (op == "jal" || op == "jalr") {
let s = obj.op + " x" + obj.rd + " " + obj.imm;
return s;
}
if (op == "lui" || op == "auipc") {
let s = obj.op + " x" + obj.rd + " " + obj.imm;
return s;
}
if (op == "ecall" || op == "ebreak") {
let s = op;
return s;
}
}
function cycles(op) {
let operations = new Array(5);
operations.fill(1);
operations[3] = 0;
if (
op === "lw" ||
op === "lh" ||
op === "lb" ||
op === "lhu" ||
op === "lbu" ||
op === "sh" ||
op === "sw" ||
op === "sb"
)
operations[3] = 1;
if (op === "sb" || op === "sw" || op === "sh" || op[0] === "b")
operations[4] = 0;
return operations;
}
function RFSync(rf, format) {
if(INSTRUCTION > Custom_instruction) not_update_register = 1;
if(not_update_register == 1) return;
if(knobs.rf_knob == false) return;
switch (format) {
case "hex":
document.querySelector(".dropbtn").textContent = "Hexadecimal";
break;
case "dec":
document.querySelector(".dropbtn").textContent = "Decimal";
break;
case "udec":
document.querySelector(".dropbtn").textContent = "Unsigned Decimal";
}
let registerFile = document.querySelectorAll(".register-value");
for (let i = 1; i < registerFile.length; i++) {
let value = rf[i - 1];
value = value < 0 ? value + (0xffffffff + 1) : value;
// console.log(value);
if (format === "hex") value = value.toString(16);
else if (format === "dec") value &= 0xffffffff;
registerFile[i].textContent = `${format === "hex" ? "0x" : ""}${value}`;
}
}
function timelineAppendRow(cycle, row) {
// cycle is value of current cycle number
// row is an array of size 5 containing 5 numbers which represent the instruction number being executed
// row value 0 means stall
cycleDiv = document.createElement("div");
cycleDiv.className = "timeline-cell";
cycleDiv.innerHTML = cycle;
document.getElementById("cycle").appendChild(cycleDiv);
let timelineHeaderId = [
"fetch",
"decode",
"execute",
"memoryaccess",
"writeback",
];
for (let i = 0; i < row.length; i++) {
let timelineCellDiv = document.createElement("div");
timelineCellDiv.className = "timeline-cell";
if (row[i] != 0) {
timelineCellDiv.innerHTML = row[i];
} else {
let stallDiv = document.createElement("div");
stallDiv.className = "stall";
timelineCellDiv.appendChild(stallDiv);
}
let container = document.getElementById(timelineHeaderId[i]);
container.appendChild(timelineCellDiv);
// Bringing this cellDiv parent to view
ensureInViewHor(container.parentElement, timelineCellDiv);
}
}
// for (let i = 1; i < 3; i++) {
// timelineAppendRow(i, [i, i, (i%7!=0)+i, (i%7==0)+i, i&1]);
// }
function register_update(register_file) {
let type = document.getElementsByClassName("dropbtn")[0].innerText;
for (let i = 1; i < 32; i++) {
if (type == "Hexadecimal") {
document.getElementById("register-x" + i).innerText =
"0x" + register_file[i].toString(16);
} else if (type == "Decimal") {
document.getElementById("register-x" + i).innerText = register_file[i];
} else if (type == "Unsigned") {
if (register_file[i] < 0) register_file[i] = register_file[i];
document.getElementById("register-x" + i).innerText = register_file[i];
}
}
}
// var cnt = 1;
// var intervalId = setInterval(() => {
// let i = cnt;
// timelineAppendRow(i, [i, i, (i%7!=0)+i, (i%7==0)+i, i&1]);
// cnt++;
// if (cnt == 1) { // rows to generate
// clearInterval(intervalId);
// }
// }, 0); // time in milisec
class Simulator {
constructor() {
this.DONE = 0;
this.CYCLE = 0; // Cycle number
this.PC = 0; // Program counter
this.INSTRUCTION = ""; // Stores current instruction from Fetch
this.RF = new Array(32); // Register file
this.RF.fill(0);
this.OP = ""; // Stores operator decoded from Decode
this.RS1 = 0; // 0 to 31 for each register
this.RS2 = 0; // 0 to 31 for each register
this.RD = 0; // 0 to 31 for each register
this.IMM = 0; // Stores immediate value
this.ALURESULT = 0; // Stores result of ALU or Memory value
this.MEMORY = {};
this.RF[2] = 2147483632;
this.pc = new Array(5);
this.pc.fill(-1);
// Now creating Instruction div elements
for (let i = 0; i < instList.length; i++) {
// console.log(i);
let pc_inst = instList[i].split(" ")[0].replace("0x", "");
let a_inst = instList[i].split(" ")[1].replace("0x", "");
let instructionDiv = document.createElement("div");
instructionDiv.className = "instruction-row";
instructionDiv.innerHTML = `<div class="instruction-addr">0x${pc_inst}</div>
<div class="instruction-hex">0x${a_inst}</div>
<div class="instruction-decoded" id="instruction-rowd-${i}">---</div>`;
document
.getElementsByClassName("instructions")[0]
.appendChild(instructionDiv);
}
// Now creating Timeline div elements
// Now creating register div elements
document
.getElementById("register")
.getElementsByClassName("register-container")[0].innerHTML = "";
for (let i = 0; i < 32; i++) {
let registerDiv = document.createElement("div");
registerDiv.className = "register-row";
registerDiv.innerHTML = `<div class="register-name">x${i}</div>
<div class="register-value" id="register-x${i}">${this.RF[i]}</div>`;
document
.getElementById("register")
.getElementsByClassName("register-container")[0]
.appendChild(registerDiv);
}
// Now creating memory div elements
document
.getElementById("memory")
.getElementsByClassName("memory-container")[0].innerHTML = "";
for (let i = 0; i < 10; i++) {
let memoryDiv = document.createElement("div");
memoryDiv.className = "memory-row";
memoryDiv.id = `memory-row-${i}`;
memoryDiv.innerHTML = `<div class="memory-address"></div>
<div class="memory-value">
<div class="memory-cell"></div>
<div class="memory-cell"></div>
<div class="memory-cell"></div>
<div class="memory-cell"></div>
</div>`;
document
.getElementById("memory")