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Added Colossus operation

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VirtualColossus 2019-11-27 12:48:09 +00:00
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src/core/lib/Colossus.mjs Normal file
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/**
* Colossus - an emulation of the world's first electronic computer
*
* @author VirtualColossus
* @copyright Crown Copyright 2019
* @license Apache-2.0
*/
import OperationError from "../errors/OperationError.mjs";
import Utils from "../Utils.mjs";
import {INIT_PATTERNS, ITA2_TABLE, ROTOR_SIZES} from "../lib/Lorenz.mjs";
/**
* Colossus simulator class.
*/
export class ColossusComputer {
/**
* Construct a Colossus.
*
* @param {string} ciphertext
* @param {string} pattern - named pattern of Chi, Mu and Psi wheels
* @param {Object} qbusin - which data inputs are being sent to q bus - each can be null, plain or delta
* @param {Object[]} qbusswitches - Q bus calculation switches, multiple rows
* @param {Object} control - control switches which specify stepping modes
* @param {Object} starts - rotor start positions
*/
constructor(ciphertext, pattern, qbusin, qbusswitches, control, starts, settotal, limit) {
this.ITAlookup = ITA2_TABLE;
this.REVERSE_ITAlookup = {};
for (const letter in this.ITAlookup) {
const code = this.ITAlookup[letter];
this.REVERSE_ITAlookup[code] = letter;
}
this.initThyratrons(pattern);
this.ciphertext = ciphertext;
this.qbusin = qbusin;
this.qbusswitches = qbusswitches;
this.control = control;
this.starts = starts;
this.settotal = settotal;
this.limitations = limit;
this.allCounters = [0, 0, 0, 0, 0];
this.Zbits = [0, 0, 0, 0, 0]; // Z input is the cipher tape
this.ZbitsOneBack = [0, 0, 0, 0, 0]; // for delta
this.Qbits = [0, 0, 0, 0, 0]; // input generated for placing onto the Q-bus (the logic processor)
this.Xbits = [0, 0, 0, 0, 0]; // X is the Chi wheel bits
this.Xptr = [0, 0, 0, 0, 0]; // pointers to the current X bits (Chi wheels)
this.XbitsOneBack = [0, 0, 0, 0, 0]; // the X bits one back (for delta)
this.Sbits = [0, 0, 0, 0, 0]; // S is the Psi wheel bits
this.Sptr = [0, 0, 0, 0, 0]; // pointers to the current S bits (Psi wheels)
this.SbitsOneBack = [0, 0, 0, 0, 0]; // the S bits one back (for delta)
this.Mptr = [0, 0];
this.rotorPtrs = {};
}
/**
* Begin a run
* @returns {object} -
*/
run() {
let result = {
printout: ""
};
// loop until our start positions are back to the beginning
this.rotorPtrs = {X1: this.starts.X1, X2: this.starts.X2, X3: this.starts.X3, X4: this.starts.X4, X5: this.starts.X5, M61: this.starts.M61, M37: this.starts.M37, S1: this.starts.S1, S2: this.starts.S2, S3: this.starts.S3, S4: this.starts.S4, S5: this.starts.S5};
//this.rotorPtrs = this.starts;
let runcount = 1;
const fast = this.control.fast;
const slow = this.control.slow;
// Print Headers
result.printout += fast + " " + slow + "\n";
do {
this.allCounters = [0, 0, 0, 0, 0];
this.ZbitsOneBack = [0, 0, 0, 0, 0];
this.XbitsOneBack = [0, 0, 0, 0, 0];
// Run full tape loop and process counters
this.runTape();
// Only print result if larger than set total
var fastRef = "00";
var slowRef = "00";
if (fast !== "") fastRef = this.leftPad(this.rotorPtrs[fast],2);
if (slow !== "") slowRef = this.leftPad(this.rotorPtrs[slow],2);
result.printout += fastRef + " " + slowRef + " : ";
for (let c=0;c<5;c++) {
if (this.allCounters[c] > this.settotal) {
result.printout += String.fromCharCode(c+97) + this.allCounters[c]+" ";
}
}
result.printout += "\n";
// Step fast rotor if required
if (fast != '') {
this.rotorPtrs[fast]++;
if (this.rotorPtrs[fast] > ROTOR_SIZES[fast]) this.rotorPtrs[fast] = 1;
}
// Step slow rotor if fast rotor has returned to initial start position
if (slow != '' && this.rotorPtrs[fast] === this.starts[fast]) {
this.rotorPtrs[slow]++;
if (this.rotorPtrs[slow] > ROTOR_SIZES[slow]) this.rotorPtrs[slow] = 1;
}
runcount++;
} while (JSON.stringify(this.rotorPtrs) !== JSON.stringify(this.starts));
result.counters = this.allCounters;
result.runcount = runcount;
return result;
};
/**
* Run tape loop
*/
runTape() {
let charZin = "";
this.Xptr = [this.rotorPtrs.X1, this.rotorPtrs.X2, this.rotorPtrs.X3, this.rotorPtrs.X4, this.rotorPtrs.X5];
this.Mptr = [this.rotorPtrs.M37, this.rotorPtrs.M61];
this.Sptr = [this.rotorPtrs.S1, this.rotorPtrs.S2, this.rotorPtrs.S3, this.rotorPtrs.S4, this.rotorPtrs.S5];
//console.log(this.Xptr);
// Run full loop of all character on the input tape (Z)
for (let i=0; i<this.ciphertext.length; i++) {
charZin = this.ciphertext.charAt(i);
//console.log('reading tape char #'+i+' : '+charZin);
// Firstly, we check what inputs are specified on the Q-bus input switches
this.getQbusInputs(charZin);
/*
* Pattern conditions on individual impulses. Matching patterns of bits on the Q bus.
* This is the top section on Colussus K rack - the Q bus programming switches
*/
this.runQbusProcessingConditional();
/*
* Addition of impulses.
* This is the bottom section of Colossus K rack.
*/
this.runQbusProcessingAddition();
// Step rotors
this.stepThyratrons();
}
}
/**
* Step thyratron rings to simulate movement of Lorenz rotors
* Chi rotors all step one per character
* Motor M61 rotor steps one per character, M37 steps dependant on M61 setting
* Psi rotors only step dependant on M37 setting + limitation
*/
stepThyratrons() {
let X2bPtr = this.Xptr[1]-1;
if (X2bPtr==0) X2bPtr = ROTOR_SIZES.X2;
let S1bPtr = this.Sptr[0]-1;
if (S1bPtr==0) S1bPtr = ROTOR_SIZES.S1;
const x2sw = this.limitations.X2;
const s1sw = this.limitations.S1;
// Limitation calculations
var lim=1;
if (x2sw) lim = this.rings.X[2][X2bPtr-1];
if (s1sw) {
lim = lim ^ this.rings.S[1][S1bPtr-1];
}
//console.log(this.Mptr);
//console.log(this.rings.M[2]);
const basicmotor = this.rings.M[2][this.Mptr[0]-1];
let totalmotor = basicmotor;
if (x2sw || s1sw) {
if (basicmotor===0 && lim===1) {
totalmotor = 0;
} else {
totalmotor = 1;
}
}
//console.log('BM='+basicmotor+', TM='+totalmotor);
// Step Chi rotors
for (let r=0; r<5; r++) {
this.Xptr[r]++;
if (this.Xptr[r] > ROTOR_SIZES["X"+(r+1)]) this.Xptr[r] = 1;
}
if (totalmotor) {
//console.log('step Psi');
// Step Psi rotors
for (let r=0; r<5; r++) {
this.Sptr[r]++;
if (this.Sptr[r] > ROTOR_SIZES["S"+(r+1)]) this.Sptr[r] = 1;
}
}
// Move M37 rotor if M61 set
if (this.rings.M[1][this.Mptr[1]-1]==1) this.Mptr[0]++;
if (this.Mptr[0] > ROTOR_SIZES.M37) this.Mptr[0]=1;
// Always move M61 rotor
this.Mptr[1]++;
if (this.Mptr[1] > ROTOR_SIZES.M61) this.Mptr[1]=1;
}
/**
* Get Q bus inputs
*/
getQbusInputs(charZin) {
// Zbits - the bits from the current character from the cipher tape.
this.Zbits = this.ITAlookup[charZin].split("");
//console.log('Zbits = '+this.Zbits);
if (this.qbusin.Z == 'Z') {
// direct Z
this.Qbits = this.Zbits;
//console.log('direct Z: Qbits = '+this.Qbits);
} else if(this.qbusin.Z == 'ΔZ') {
// delta Z, the Bitwise XOR of this character Zbits + last character Zbits
for(let b=0;b<5;b++) {
this.Qbits[b] = this.Zbits[b] ^ this.ZbitsOneBack[b];
}
//console.log('delta Z: Qbits = '+this.Qbits);
}
this.ZbitsOneBack = this.Zbits.slice(); // copy value of object, not reference
//console.log('Zin::Q bus now '+this.Qbits+'['+this.REVERSE_ITAlookup[this.Qbits.join("")]+']');
// Xbits - the current Chi wheel bits
//console.log(this.rings.X);
//console.log('Xptr = '+this.Xptr);
for (let b=0;b<5;b++) {
this.Xbits[b] = this.rings.X[b+1][this.Xptr[b]-1];
}
if (this.qbusin.Chi != "") {
//console.log('X Bits '+this.Xbits+'['+this.REVERSE_ITAlookup[this.Xbits.join("")]+']');
//console.log('X Char = ' + this.REVERSE_ITAlookup[this.Xbits.join("")]);
if (this.qbusin.Chi == "Χ") {
// direct X added to Qbits
for (let b=0;b<5;b++) {
this.Qbits[b] = this.Qbits[b] ^ this.Xbits[b];
}
//console.log('direct X: Qbits = '+this.Qbits);
} else if(this.qbusin.Chi == "ΔΧ") {
// delta X
for(let b=0;b<5;b++) {
this.Qbits[b] = this.Qbits[b] ^ this.Xbits[b];
this.Qbits[b] = this.Qbits[b] ^ this.XbitsOneBack[b];
}
//console.log('delta X: Xbits = '+this.Xbits+' Xbits-1 = '+this.XbitsOneBack);
//console.log('delta X: Qbits = '+this.Qbits);
}
}
this.XbitsOneBack = this.Xbits.slice();
//console.log('setting XbitsOneBack to '+this.Xbits);
//console.log('Zin+Xin::Q bus now '+this.Qbits+'['+this.REVERSE_ITAlookup[this.Qbits.join("")]+']');
// Sbits - the current Psi wheel bits
//console.log(this.rings.S);
//console.log('Sptr = '+this.Sptr);
for (let b=0;b<5;b++) {
this.Sbits[b] = this.rings.S[b+1][this.Sptr[b]-1];
}
if (this.qbusin.Psi != "") {
//console.log('S Bits '+this.Sbits+'['+this.REVERSE_ITAlookup[this.Sbits.join("")]+']');
//console.log('S Char = ' + this.REVERSE_ITAlookup[this.Sbits.join("")]);
if(this.qbusin.Psi == "Ψ") {
// direct S added to Qbits
for (let b=0;b<5;b++) {
this.Qbits[b] = this.Qbits[b] ^ this.Sbits[b];
}
//console.log('direct S: Qbits = '+this.Qbits);
} else if(this.qbusin.Psi == "ΔΨ") {
// delta S
for (let b=0;b<5;b++) {
this.Qbits[b] = this.Qbits[b] ^ this.Sbits[b];
this.Qbits[b] = this.Qbits[b] ^ this.SbitsOneBack[b];
}
//console.log('delta S: Qbits = '+this.Qbits);
}
}
this.SbitsOneBack = this.Sbits.slice();
//console.log('Q bus now '+this.Qbits+'['+this.REVERSE_ITAlookup[this.Qbits.join("")]+']');
}
/**
* Conditional impulse Q bus section
*/
runQbusProcessingConditional() {
let cnt = [-1, -1, -1, -1, -1];
const numrows = this.qbusswitches.condition.length;
for (let r=0;r<numrows;r++) {
let row = this.qbusswitches.condition[r];
if (row.Counter !== "") {
let result = true;
let cPnt = row.Counter-1;
const Qswitch = this.readBusSwitches(row.Qswitches);
// Match switches to bit pattern
for (let s=0;s<5;s++) {
if (Qswitch[s] >= 0 && Qswitch[s] != this.Qbits[s]) result = false;
}
// Check for NOT switch
if (row.Negate) result = !result;
// AND each row to get final result
if (cnt[cPnt] == -1) {
cnt[cPnt] = result;
} else if (result==0) {
cnt[cPnt] = 0;
}
}
}
// Negate the whole column, this allows A OR B by doing NOT(NOT A AND NOT B)
for (let c=0;c<5;c++) {
if (this.qbusswitches.condNegateAll) cnt[c] = !cnt[c];
if (cnt[c]==1) this.allCounters[c]++;
}
}
/**
* Addition of impulses Q bus section
*/
runQbusProcessingAddition() {
let row = this.qbusswitches.addition[0];
const Qswitch = row.Qswitches.slice();
if (row.C1) {
let addition = 0;
for (let s=0;s<5;s++) {
// XOR addition
if (Qswitch[s]) {
addition = addition ^ this.Qbits[s];
}
}
const equals = (row.Equals==""?-1:(row.Equals=="."?0:1));
if (addition == equals) {
this.allCounters[0]++;
}
}
//console.log("counter1="+this.allCounters[0]);
}
/**
* Initialise thyratron rings
* These hold the pattern of 1s & 0s for each rotor on banks of thyraton GT1C valves which act as a one-bit store.
*/
initThyratrons(pattern) {
this.rings = {
X: {
1: INIT_PATTERNS[pattern].X[1].slice().reverse(),
2: INIT_PATTERNS[pattern].X[2].slice().reverse(),
3: INIT_PATTERNS[pattern].X[3].slice().reverse(),
4: INIT_PATTERNS[pattern].X[4].slice().reverse(),
5: INIT_PATTERNS[pattern].X[5].slice().reverse()
},
M: {
1: INIT_PATTERNS[pattern].M[1].slice().reverse(),
2: INIT_PATTERNS[pattern].M[2].slice().reverse(),
},
S: {
1: INIT_PATTERNS[pattern].S[1].slice().reverse(),
2: INIT_PATTERNS[pattern].S[2].slice().reverse(),
3: INIT_PATTERNS[pattern].S[3].slice().reverse(),
4: INIT_PATTERNS[pattern].S[4].slice().reverse(),
5: INIT_PATTERNS[pattern].S[5].slice().reverse()
}
};
}
/**
* Left Pad number
*/
leftPad(number, targetLength) {
let output = number + "";
while (output.length < targetLength) {
output = "0" + output;
}
return output;
}
/**
* Read argument bus switches X & . and convert to 1 & 0
*/
readBusSwitches(row) {
let output = [-1, -1, -1, -1, -1];
for (let c=0;c<5;c++) {
if (row[c]===".") output[c] = 0;
if (row[c]==="x") output[c] = 1;
}
return output;
}
}

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/**
* Resources required by the Lorenz SZ40/42 and Colossus
*
* @author VirtualColossus
* @copyright Crown Copyright 2019
* @license Apache-2.0
*/
import OperationError from "../errors/OperationError.mjs";
export const SWITCHES = [
{name: "Up (.)", value: "."},
{name: "Centre", value: ""},
{name: "Down (x)", value: "x"}
];
export const ITA2_TABLE = {
"A": "11000",
"B": "10011",
"C": "01110",
"D": "10010",
"E": "10000",
"F": "10110",
"G": "01011",
"H": "00101",
"I": "01100",
"J": "11010",
"K": "11110",
"L": "01001",
"M": "00111",
"N": "00110",
"O": "00011",
"P": "01101",
"Q": "11101",
"R": "01010",
"S": "10100",
"T": "00001",
"U": "11100",
"V": "01111",
"W": "11001",
"X": "10111",
"Y": "10101",
"Z": "10001",
"3": "00010",
"4": "01000",
"9": "00100",
"/": "00000",
" ": "00100",
".": "00100",
"8": "11111",
"5": "11011",
"-": "11111",
"+": "11011"
};
export const ROTOR_SIZES = {
S1: 43,
S2: 47,
S3: 51,
S4: 53,
S5: 59,
M37: 37,
M61: 61,
X1: 41,
X2: 31,
X3: 29,
X4: 26,
X5: 23
};
/**
* Initial rotor patterns
*/
export const INIT_PATTERNS = {
"No Pattern": {
"X": {
1: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
2: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
3: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
4: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
5: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
},
"S": {
1: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
2: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
3: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
4: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
5: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
},
"M": {
1: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
2: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
}
},
"KH Pattern": {
"X": {
1: [0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0],
2: [1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0],
3: [0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0],
4: [1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0],
5: [1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0]
},
"S": {
1: [0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1],
2: [0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1],
3: [0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1],
4: [0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0],
5: [1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0]
},
"M": {
1: [0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0],
2: [1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0]
}
},
"ZMUG Pattern": {
"X": {
1: [0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0],
2: [1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0],
3: [0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0],
4: [1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1],
5: [0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1]
},
"S": {
1: [1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0],
2: [0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1],
3: [0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1],
4: [0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1],
5: [1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0]
},
"M": {
1: [1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1],
2: [0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1]
}
},
"BREAM Pattern": {
"X": {
1: [0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0],
2: [0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1],
3: [1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0],
4: [1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0],
5: [0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0]
},
"S": {
1: [0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0],
2: [1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0],
3: [1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1],
4: [0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1],
5: [1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0]
},
"M": {
1: [1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1],
2: [0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1]
}
}
};

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/**
* Emulation of Colossus.
*
* @author VirtualColossus [martin@virtualcolossus.co.uk]
* @copyright Crown Copyright 2019
* @license Apache-2.0
*/
import Operation from "../Operation";
import OperationError from "../errors/OperationError.mjs";
import { ColossusComputer } from "../lib/Colossus.mjs";
import { SWITCHES } from "../lib/Lorenz.mjs";
/**
* Colossus operation
*/
class Colossus extends Operation {
/**
* Lorenz constructor
*/
constructor() {
super();
this.name = "Colossus";
this.module = "Bletchley";
this.description = "Colossus ... ";
this.infoURL = "https://wikipedia.org/wiki/Colossus_computer";
this.inputType = "string";
this.outputType = "JSON";
this.presentType = "html";
this.args = [
{
name: "Input",
type: "label"
},
{
name: "Pattern",
type: "option",
value: ["KH Pattern", "ZMUG Pattern", "BREAM Pattern"]
},
{
name: "QBusZ",
type: "option",
value: ["", "Z", "ΔZ"]
},
{
name: "QBusΧ",
type: "option",
value: ["", "Χ", "ΔΧ"]
},
{
name: "QBusΨ",
type: "option",
value: ["", "Ψ", "ΔΨ"]
},
{
name: "Limitation",
type: "option",
value: ["None", "Χ2", "Χ2 + P5", "X2 + Ψ1", "X2 + Ψ1 + P5"]
},
{
name: "K Rack Option",
type: "argSelector",
"value": [
{
name: "Select Program",
on: [7],
off: [8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40]
},
{
name: "Top Section - Conditional",
on: [8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30],
off: [7, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40]
},
{
name: "Bottom Section - Addition",
on: [31, 32, 33, 34, 35, 36, 37, 38, 39, 40],
off: [7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30]
},
{
name: "Advanced",
on: [8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40],
off: [7]
}
]
},
{
name: "Program to run",
type: "option",
value: ["", "1+2=. (1+2 Break In, Find X1,X2)", "4=3=/1=2 (Given X1,X2 find X4,X5)", "/,5,U (Count chars to find X3)"]
},
{
name: "K Rack: Conditional",
type: "label"
},
{
name: "R1-Q1",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R1-Q2",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R1-Q3",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R1-Q4",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R1-Q5",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R1-Negate",
type: "boolean"
},
{
name: "R1-Counter",
type: "option",
value: ["", "1", "2", "3", "4", "5"]
},
{
name: "R2-Q1",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R2-Q2",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R2-Q3",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R2-Q4",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R2-Q5",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R2-Negate",
type: "boolean"
},
{
name: "R2-Counter",
type: "option",
value: ["", "1", "2", "3", "4", "5"]
},
{
name: "R3-Q1",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R3-Q2",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R3-Q3",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R3-Q4",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R3-Q5",
type: "editableOptionShort",
value: SWITCHES,
defaultIndex: 1
},
{
name: "R3-Negate",
type: "boolean"
},
{
name: "R3-Counter",
type: "option",
value: ["", "1", "2", "3", "4", "5"]
},
{
name: "Negate All",
type: "boolean"
},
{
name: "K Rack: Addition",
type: "label"
},
{
name: "Add-Q1",
type: "boolean"
},
{
name: "Add-Q2",
type: "boolean"
},
{
name: "Add-Q3",
type: "boolean"
},
{
name: "Add-Q4",
type: "boolean"
},
{
name: "Add-Q5",
type: "boolean"
},
{
name: "Add-Equals",
type: "editableOptionShort",
value: SWITCHES
},
{
name: "Add-Counter1",
type: "boolean"
},
{
name: "Add Negate All",
type: "boolean"
},
{
name: "Total Motor",
type: "boolean"
},
{
name: "Master Control Panel",
type: "label"
},
{
name: "Set Total",
type: "number",
value: 0
},
{
name: "Fast Step",
type: "option",
value: ["", "X1", "X2", "X3", "X4", "X5", "M37", "M61", "S1", "S2", "S3", "S4", "S5"]
},
{
name: "Slow Step",
type: "option",
value: ["", "X1", "X2", "X3", "X4", "X5", "M37", "M61", "S1", "S2", "S3", "S4", "S5"]
},
{
name: "Start X1",
type: "number",
value: 1
},
{
name: "Start X2",
type: "number",
value: 1
},
{
name: "Start X3",
type: "number",
value: 1
},
{
name: "Start X4",
type: "number",
value: 1
},
{
name: "Start X5",
type: "number",
value: 1
},
{
name: "Start M61",
type: "number",
value: 1
},
{
name: "Start M37",
type: "number",
value: 1
},
{
name: "Start S1",
type: "number",
value: 1
},
{
name: "Start S2",
type: "number",
value: 1
},
{
name: "Start S3",
type: "number",
value: 1
},
{
name: "Start S4",
type: "number",
value: 1
},
{
name: "Start S5",
type: "number",
value: 1
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {Object}
*/
run(input, args) {
const pattern = args[1];
const qbusin = {
"Z": args[2],
"Chi": args[3],
"Psi": args[4],
};
const limitation = args[5];
let lm = [false,false,false];
if (limitation.includes("Χ2")) lm[0] = true;
if (limitation.includes("Ψ1")) lm[1] = true;
if (limitation.includes("P5")) lm[2] = true;
const limit = {
X2: lm[0], S1: lm[1], P5: lm[2]
};
const KRackOpt = args[6];
const setProgram = args[7];
if (KRackOpt === "Select Program" && setProgram !== "") {
args = this.selectProgram(setProgram, args);
}
// Q1,Q2,Q3,Q4,Q5,negate,counter1
const qbusswitches = {
condition: [
{Qswitches: [args[9], args[10], args[11], args[12], args[13]], Negate: args[14], Counter: args[15]},
{Qswitches: [args[16], args[17], args[18], args[19], args[20]], Negate: args[21], Counter: args[22]},
{Qswitches: [args[23], args[24], args[25], args[26], args[27]], Negate: args[28], Counter: args[29]}
],
condNegateAll: args[30],
addition: [
{Qswitches: [args[32], args[33], args[34], args[35], args[36]], Equals: args[37], C1: args[38]}
],
addNegateAll: args[39],
totalMotor: args[40]
};
const settotal = args[42];
// null|fast|slow for each of S1-5,M1-2,X1-5
const control = {
fast: args[43],
slow: args[44]
};
// Start positions
const starts = {
X1: args[45], X2: args[46], X3: args[47], X4: args[48], X5: args[49],
M61: args[50], M37: args[51],
S1: args[52], S2: args[53], S3: args[54], S4: args[55], S5: args[56]
};
const colossus = new ColossusComputer(input, pattern, qbusin, qbusswitches, control, starts, settotal, limit);
const result = colossus.run();
console.log(result);
return result;
}
/**
* Select Program
*/
selectProgram(progname, args) {
// Bill Tutte's 1+2 Break In
if(progname == "1+2=. (1+2 Break In, Find X1,X2)") {
// Clear any other counters
args[15] = ""; // Conditional R1
args[22] = ""; // Conditional R2
args[29] = ""; // Conditional R3
// Set Add Q1+Q2=. into Counter 1
args[32] = true;
args[33] = true;
args[34] = false;
args[35] = false;
args[36] = false;
args[37] = ".";
args[38] = true;
}
// 4=3=/1=2 : Find X4 & X5 where X1 & X2 are known
if(progname == "4=3=/1=2 (Given X1,X2 find X4,X5)") {
// Set Conditional R1 : Match NOT ..?.. into counter 1
args[9] = ".";
args[10] = ".";
args[11] = "";
args[12] = ".";
args[13] = ".";
args[14] = true;
args[15] = "1";
// Set Conditional R2 : AND Match NOT xx?xx into counter 1
args[16] = "x";
args[17] = "x";
args[18] = "";
args[19] = "x";
args[20] = "x";
args[21] = true;
args[22] = "1";
// clear Conditional R3
args[29] = "";
// Negate result, giving NOT(NOT Q1 AND NOT Q2) which is equivalent to Q1 OR Q2
args[30] = true;
// Clear Addition row counter
args[38] = false;
}
// /,5,U : Count number of matches of /, 5 & U to find X3
if(progname == "/,5,U (Count chars to find X3)") {
// Set Conditional R1 : Match / char, ITA2 = ..... into counter 1
args[9] = ".";
args[10] = ".";
args[11] = ".";
args[12] = ".";
args[13] = ".";
args[14] = false;
args[15] = "1";
// Set Conditional R2 : Match 5 char, ITA2 = xx.xx into counter 2
args[16] = "x";
args[17] = "x";
args[18] = ".";
args[19] = "x";
args[20] = "x";
args[21] = false;
args[22] = "2";
// Set Conditional R3 : Match U char, ITA2 = xxx.. into counter 3
args[23] = "x";
args[24] = "x";
args[25] = "x";
args[26] = ".";
args[27] = ".";
args[28] = false;
args[29] = "3";
// Clear Negate result
args[30] = false;
// Clear Addition row counter
args[38] = false;
}
return args;
}
/**
* Displays Colossus results in an HTML table
*
* @param {Object} output
* @param {Object[]} output.counters
* @returns {html}
*/
present(output) {
console.log("output="+ typeof(output));
console.log("counters="+ typeof(output.counters));
let html = "Colossus Printer\n\n";
html += output.printout + "\n\n";
html += "Colossus Counters\n\n";
html += "<table class='table table-hover table-sm table-bordered table-nonfluid'><tr><th>C1</th> <th>C2</th> <th>C3</th> <th>C4</th> <th>C5</th></tr>\n";
html += "<tr>";
for (const ct of output.counters) {
html += `<td>${ct}</td>\n`;
}
html += "</tr>";
html += "</table>";
return html;
}
}
export default Colossus;