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Add 'debug' flag when calling assembler

This commit is contained in:
n loewen 2023-08-02 13:54:04 +01:00
parent aa08e50eda
commit 97ab0c6ee0
3 changed files with 32 additions and 22 deletions
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17
assemble.js
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@ -1,13 +1,22 @@
// Usage: `node assemble.js assembly.asm` // Run: `node assemble.js run assembly.asm`
// Debug: `node assemble.js debug assembly.asm`
const fs = require('fs'); const fs = require('fs');
const assembler = require('./assembler.js'); const assembler = require('./assembler.js');
const printMemory = require('./print-memory.js'); const printMemory = require('./print-memory.js');
const filename = process.argv[2]; const mode = process.argv[2];
const filename = process.argv[3];
const inputFile_str = fs.readFileSync(filename, 'utf8'); const inputFile_str = fs.readFileSync(filename, 'utf8');
let machineCode = assembler.assemble(inputFile_str);
console.log(); let machineCode;
if (mode === "debug") {
machineCode = assembler.assemble(inputFile_str, true);
console.group("Machine code output"); console.group("Machine code output");
printMemory.printTable(machineCode); printMemory.printTable(machineCode);
console.groupEnd('Machine code output'); console.groupEnd('Machine code output');
} else {
machineCode = assembler.assemble(inputFile_str);
console.log(machineCode); // TODO print just the numbers
}

24
assembler.js
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@ -5,7 +5,13 @@ const { INITIAL_IP_ADDRESS, START_OF_DISPLAY_MEM } = require('./machine.config.j
// 2 = what i'm currently focusing on // 2 = what i'm currently focusing on
// 3 = always print // 3 = always print
// 4 = silent // 4 = silent
const DEBUG = 4; const DEBUG_LEVEL = 2;
let DEBUG = false; // Turn debugging on/off -- set by assemble()
exports.assemble = (str, debug = false) => {
DEBUG = debug;
return decodeInstructions(str);
}
const mnemonicsWithOptionalArgs = ['end', 'cfc', 'chp']; const mnemonicsWithOptionalArgs = ['end', 'cfc', 'chp'];
const mnemonics2opcodes = { const mnemonics2opcodes = {
@ -124,7 +130,7 @@ function decodeInstructions(str) {
dbg(1, ''); dbg(1, '');
dbgGroup(1, 'Memory before filling in label pointers'); dbgGroup(1, 'Memory before filling in label pointers');
dbgExec(1, () => printMemory.printTable(machineCode)); dbgExec(1, () => logMemory(machineCode));
dbgGroupEnd(1, 'Memory before filling in label pointers'); dbgGroupEnd(1, 'Memory before filling in label pointers');
// Backfill label pointers // Backfill label pointers
@ -156,13 +162,7 @@ function stripWhitespaceFromEnds(line) {
function hex2num(hex) { return parseInt(hex, 16) }; function hex2num(hex) { return parseInt(hex, 16) };
// Debug helpers // Debug helpers
const dbg = (lvl, s) => { if (lvl >= DEBUG) console.log(s) }; const dbg = (lvl, s) => { if (DEBUG && (lvl >= DEBUG_LEVEL)) console.log(s) };
const dbgGroup = (lvl, s) => { if (lvl >= DEBUG) console.group(s) }; const dbgGroup = (lvl, s) => { if (DEBUG && (lvl >= DEBUG_LEVEL)) console.group(s) };
const dbgGroupEnd = (lvl, s) => { if (lvl >= DEBUG) console.groupEnd(s) }; const dbgGroupEnd = (lvl, s) => { if (DEBUG && (lvl >= DEBUG_LEVEL)) console.groupEnd(s) };
const dbgExec = (lvl, func) => { if (lvl >= DEBUG) func(); } const dbgExec = (lvl, func) => { if (DEBUG && (lvl >= DEBUG_LEVEL)) func(); }
// RUN IT
exports.assemble = (str) => {
return decodeInstructions(str);
}

7
package.json
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@ -1,8 +1,9 @@
{ {
"name": "paper-computer", "name": "paper-computer",
"scripts": { "scripts": {
"display": "node assemble-and-run.js run", "rundisplay": "node assemble-and-run.js run",
"debug": "node assemble-and-run.js debug", "rundebug": "node assemble-and-run.js debug",
"assemble": "node assemble.js" "asm": "node assemble.js run",
"asmdebug": "node assemble.js debug"
} }
} }