conversions - Create `conversions.js` and move `hex2num` et al. out of `logging.js`

src/assembler.js

@@ -2,7 +2,8 @@
 
 const fs = require('fs');
 
-const { logMemory, num2hex } = require('./logging.js');
+const { logMemory } = require('./logging.js');
+const { num2hex } = require('./conversions.js');
 const DBG = require('./dbg.js');
 
 const CFG = require('./machine.config.js');

src/cardiograph.js

@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 
 const DBG = require('./dbg.js');
-const { num2hex, bool2bit } = require('./logging.js');
+const { num2hex, bool2bit } = require('./conversions.js');
 
 const CFG = require('./machine.config.js');
 const CPU = require('./cpu.js');
@@ -16,7 +16,6 @@ main();
 
 async function main() {
   const input = await readPipedStdin();
-  dbg.nit('input: \n', input);
 
   const debuggable = true; // FIXME - Get this as a command line flag instead
   // if debuggable === true, the input is JSON {sourceInfo, machineCode}

src/cpu.js

@@ -1,4 +1,4 @@
-const { num2hex } = require('./logging.js');
+const { num2hex } = require('./conversions.js');
 
 module.exports = class CPU {
 

src/logging.js

@@ -1,3 +1,5 @@
+let { num2hex } = require('./conversions.js');
+
 /**
  * Display a table of memory locations.
  * Call with [start] and [end] indices to display a range.
@@ -38,54 +40,7 @@ const logRunningHeader = () => {
   console.log( `└─────────────────────┘`);
 }
 
-/** 
- * @param {number} num
- * @returns {string}
- */
-const num2hex = (num) => num.toString(16).toUpperCase().padStart(2, "0");
-
-/** 
- * @param {string} hex
- * @returns {number}
- */
-const hex2num = (hex) => parseInt(hex, 16);
-
-/**
- * Convert a number to binary, padded to 8 bits
- * See here for an explanation: https://stackoverflow.com/questions/9939760/how-do-i-convert-an-integer-to-binary-in-javascript
- * @param {number} num
- * @returns {string} binary representation of the input
- **/
-const num2bin = (num) => (num >>> 0).toString(2).padStart(8, "0");
-
-/**
- * Convert a number to binary, padded to 4 bits
- * See here for an explanation: https://stackoverflow.com/questions/9939760/how-do-i-convert-an-integer-to-binary-in-javascript
- * @param {number} num
- * @returns {string} binary representation of the input
- **/
-const num2bin_4bit = (num) => (num >>> 0).toString(2).padStart(4, "0");
-
-/** 
- * @param {string} bin
- * @returns {number}
- */
-const bin2num = (bin) => parseInt(bin, 2)
-
-/**
- * @param {Boolean} bool
- * @returns {0|1}
- **/
-const bool2bit = (bool) => bool ? 1 : 0;
-
-
 module.exports = {
   "logMemory": logMemory,
   "logRunningHeader": logRunningHeader,
-  "num2hex": num2hex,
-  "hex2num": hex2num,
-  "num2bin": num2bin,
-  "num2bin_4bit": num2bin_4bit,
-  "bin2num": bin2num,
-  "bool2bit": bool2bit,
 }