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cycle_sim_prim.js
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cycle_sim_prim.js
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/* cycle_sim_prim.js
Author: asterisk_man
Date: 18 December 2013
Description: circuit primitive definitions to be used with
cycle_sim.js
This file copyright asterisk_man 2014. All rights reserved
*/
/*jslint indent: 2, browser: true, devel: true, vars: true, forin: true, plusplus: true, todo: true, bitwise: true, white: true */
/*global cycle_sim: false */
"use strict";
var Cycle_sim_prim_obj = function(name, inPorts, outPorts, inOutOrder) {
this.blockName = name;
this.ports = [];
//use expandNet() so we can write vectors as vectors and not be forced to manually expand them
//console.log('pre:' + inPorts.toString());
var expandedInPorts = cycle_sim.expandNet(inPorts.join(','));
//console.log('post:' + inPorts.toString());
var expandedOutPorts = cycle_sim.expandNet(outPorts.join(','));
if (inOutOrder) {
expandedInPorts.forEach(function(v) {this.ports.push({name:v, direction:'IN'});}, this);
expandedOutPorts.forEach(function(v) {this.ports.push({name:v, direction:'OUT'});}, this);
//inPorts.forEach(function(v) {this.ports.push({name:v, direction:'IN'});}, this);
//outPorts.forEach(function(v) {this.ports.push({name:v, direction:'OUT'});}, this);
} else {
expandedOutPorts.forEach(function(v) {this.ports.push({name:v, direction:'OUT'});}, this);
expandedInPorts.forEach(function(v) {this.ports.push({name:v, direction:'IN'});}, this);
//outPorts.forEach(function(v) {this.ports.push({name:v, direction:'OUT'});}, this);
//inPorts.forEach(function(v) {this.ports.push({name:v, direction:'IN'});}, this);
}
this.nets = this.ports.map(function(v,i) {return {name:v.name, type:'port', portNum:i};});
this.intNets = [];
this.insts = [];
this.primitive = true;
this.init = function(inst) { };
this.tick = function(inst) { };
};
var cycle_sim_prim = {
getBlocks: function() {
var primBlocks = {};
primBlocks.NAND = new Cycle_sim_prim_obj('NAND', ['A', 'B'], ['Z'], true);
primBlocks.NAND.init = function(inst) {
//store some data to optimize the tick function here since it's a large cpu user
inst.siga = inst.nets["A"].signal;
inst.sigb = inst.nets["B"].signal;
inst.sigz = inst.nets["Z"].signal;
};
primBlocks.NAND.tick = function(inst) {
var valA = cycle_sim.hw.signals[inst.siga].value;
var valB = cycle_sim.hw.signals[inst.sigb].value;
var result = !(valA && valB);
//sigIndex 0 is "false" and sigIndex 1 is "true" so we can't write to them
if (inst.sigz > 1) {
cycle_sim.hw.signals[inst.sigz].next = result;
}
};
primBlocks.IO_IN = new Cycle_sim_prim_obj('IO_IN', [], ['Z'], true);
primBlocks.IO_IN.init = function(inst) {
var eIO = document.getElementById("div_design_io");
var ioID = "checkbox_design_IO_IN_" + inst.name;
inst.IO_ID = ioID;
eIO.innerHTML += "<input type=\"checkbox\" id=\"" + ioID + "\">" + inst.name + "<br>";
inst.eIO = undefined;
};
primBlocks.IO_IN.tick = function(inst) {
if (inst.eIO === undefined) {
inst.eIO = document.getElementById(inst.IO_ID);
}
cycle_sim.setSigVal(inst,"Z",inst.eIO.checked);
};
primBlocks.IO_IN8 = new Cycle_sim_prim_obj('IO_IN8', [], ['Z<7>', 'Z<6>', 'Z<5>','Z<4>', 'Z<3>', 'Z<2>', 'Z<1>', 'Z<0>'], true);
primBlocks.IO_IN8.init = function(inst) {
var eIO = document.getElementById("div_design_io");
var ioID = "checkbox_design_IO_IN8_" + inst.name;
inst.IO_ID = ioID;
eIO.innerHTML += "<div><input type='text' id='" + ioID + "' size='14' value='00000000'>" + inst.name + '</div>';
inst.eIO = undefined;
};
primBlocks.IO_IN8.tick = function(inst) {
if (inst.eIO === undefined) {
inst.eIO = document.getElementById(inst.IO_ID);
}
var stringInput = inst.eIO.value;
var inputInt;
var inputBoolList;
var i;
if (stringInput.length === 3) {
if (stringInput[0].toUpperCase() === "X") {
inputInt = parseInt(stringInput.substr(1,2),16);
}
} else {
if (stringInput.length === 8) {
inputInt = parseInt(stringInput,2);
}
}
if (inputInt !== undefined) {
inputBoolList = cycle_sim.intToBoolList(inputInt,8);
for (i = 0; i < inputBoolList.length; i++) {
cycle_sim.setSigVal(inst,"Z<" + i + ">", inputBoolList[i]);
}
inst.eIO.style.backgroundColor="#FFFFFF";
} else {
inst.eIO.style.backgroundColor="#FF0000";
}
};
primBlocks.IO_OUT = new Cycle_sim_prim_obj('IO_OUT', ['A'], [], true);
primBlocks.IO_OUT.init = function(inst) {
var eIO = document.getElementById("div_design_io");
var ioID = "checkbox_design_IO_OUT_" + inst.name;
inst.IO_ID = ioID;
inst.IO_ID_CAN = 'canvas_design_' + ioID;
eIO.innerHTML += "<div><canvas class=\"canvas_wave\" id=\"canvas_design_" + ioID + "\" width=\"200\" height=\"16\"></canvas><input type=\"checkbox\" id=\"" + ioID + "\" disabled=\"disabled\">" + inst.name + "</div>";
inst.history = [];
inst.eIO = undefined;
inst.eIOCan = undefined;
};
primBlocks.IO_OUT.tick = function(inst) {
if (inst.eIO === undefined) {
inst.eIO = document.getElementById(inst.IO_ID);
inst.eIOCan = document.getElementById(inst.IO_ID_CAN);
}
var val = cycle_sim.getSigVal(inst, "A");
inst.eIO.checked = val;
cycle_sim.updateGraph(inst, val);
};
primBlocks.IO_OUT8 = new Cycle_sim_prim_obj('IO_OUT8', ['A<7>', 'A<6>', 'A<5>', 'A<4>', 'A<3>', 'A<2>', 'A<1>', 'A<0>'], [], true);
primBlocks.IO_OUT8.init = function(inst) {
var eIO = document.getElementById("div_design_io");
var ioID = "checkbox_design_IO_OUT8_" + inst.name;
inst.IO_ID = ioID;
eIO.innerHTML += "<div><input type=\"text\" id=\"" + ioID + "\" size=\"14\" value=\"00000000 (0x00)\">" + inst.name + "</div>";
inst.history = [];
inst.eIO = undefined;
};
primBlocks.IO_OUT8.tick = function(inst) {
if (inst.eIO === undefined) {
inst.eIO = document.getElementById(inst.IO_ID);
}
var val = cycle_sim.getSigVecVal(inst, "A", 7, 0);
var binString = cycle_sim.leftPadNumberString(val.toString(2), 8);
var hexString = cycle_sim.leftPadNumberString(val.toString(16), 2).toUpperCase();
inst.eIO.value = binString + " (x" + hexString + ")";
};
primBlocks.IO_OUT7SEG = new Cycle_sim_prim_obj('IO_OUT7SEG', ['A', 'B', 'C', 'D', 'E', 'F', 'G'], [], true);
primBlocks.IO_OUT7SEG.init = function(inst) {
var eIO = document.getElementById('div_design_io');
var ioID = 'canvas_design_IO_OUT7SEG_' + inst.name;
inst.IO_ID = ioID;
eIO.innerHTML += '<div><canvas class="canvas_7seg" id="' + ioID + '" width="32px" height="50px"></canvas>' + inst.name + '</div>';
inst.eIO = undefined;
inst.lastState = ['a', 'b', 'c', 'd', 'e', 'f', 'g'];
};
primBlocks.IO_OUT7SEG.tick = function(inst) {
if (inst.eIO === undefined) {
inst.eIO = document.getElementById(inst.IO_ID);
}
var canWidth = 32;
var canHeight = 50;
var changed = false;
var i;
var segIndex;
var ctx = inst.eIO.getContext("2d");
var segVals = [];
segVals.push(cycle_sim.getSigVal(inst, "A"));
segVals.push(cycle_sim.getSigVal(inst, "B"));
segVals.push(cycle_sim.getSigVal(inst, "C"));
segVals.push(cycle_sim.getSigVal(inst, "D"));
segVals.push(cycle_sim.getSigVal(inst, "E"));
segVals.push(cycle_sim.getSigVal(inst, "F"));
segVals.push(cycle_sim.getSigVal(inst, "G"));
//check if the inputs have changed since the last drawing and don't re-draw if they haven't
for (i = 0; i < segVals.length; i++) {
if (segVals[i] !== inst.lastState[i]) {
changed = true;
inst.lastState = segVals;
break;
}
}
if (changed === false) {
return;
}
var segPolys = [
[[5,5], [8,2], [25,2], [27,5], [25,7], [8,7]],
[[25,7], [27,5], [30,7], [30,22], [27,25], [25,22]],
[[27,25], [30,27], [30,42], [27,45], [25,42], [25,27]],
[[25,42], [27,45], [25,47], [8,47], [5,45], [8,42]],
[[8,42], [5,45], [3,42], [3,27], [5,25], [8,27]],
[[5,25], [3,22], [3,7], [5,5], [8,7], [8,22]],
[[5,25], [8,22], [25,22], [27,25], [25,27], [8,27]]
];
ctx.clearRect(0, 0, canWidth, canHeight);
ctx.strokeStyle = '#D0D0D0';
ctx.lineWidth = 1;
ctx.fillStyle = '#FF0000';
var curPoly;
for (segIndex = 0; segIndex < segVals.length; segIndex++) {
curPoly = segPolys[segIndex];
ctx.beginPath();
ctx.moveTo(curPoly[0][0]-0.5, curPoly[0][1]+0.5);
for (i = 1; i < curPoly.length; i++) {
ctx.lineTo(curPoly[i][0]-0.5, curPoly[i][1]+0.5);
}
ctx.closePath();
if (segVals[segIndex]) {
ctx.fill();
//ctx.strokeStyle = '#000000';
} else {
ctx.strokeStyle = '#D0D0D0';
}
ctx.stroke();
}
};
primBlocks.NAND_TEST = new Cycle_sim_prim_obj('NAND_TEST', ['Z'], ['A', 'B'], false);
primBlocks.NAND_TEST.init = function(inst) {
inst.testCount = 0;
inst.nextTime = 0;
inst.state = 0;
inst.failed = false;
inst.expectedZ = undefined;
};
primBlocks.NAND_TEST.tick = function(inst) {
var valZ;
var newA;
var newB;
var propTime = 10;
var requiredTests = 16;
if (cycle_sim.hw.time >= inst.nextTime) {
switch (inst.state) {
case 0:
//set inputs randomly
newA = cycle_sim.randomBool();
newB = cycle_sim.randomBool();
inst.expectedZ = !(newA && newB);
cycle_sim.setSigVal(inst, 'A', newA);
cycle_sim.setSigVal(inst, 'B', newB);
inst.nextTime += propTime;
inst.state = 1;
break;
case 1:
//verify output is correct
valZ = cycle_sim.getSigVal(inst,'Z');
if (valZ !== inst.expectedZ) {
cycle_sim.testFail('NAND', 'NAND output was not correct.');
inst.failed = true;
return;
} else {
inst.testCount += 1;
inst.nextTime += 1;
inst.state = 0;
cycle_sim.simLog('Passed ' + inst.testCount + ' tests of ' + requiredTests);
}
break;
}
}
if (inst.testCount >= requiredTests) {
if (inst.failed === false) {
cycle_sim.testPass('NAND', 0);
} else {
cycle_sim.testFail('NAND', 'Test completed with previous fails.');
}
}
};
primBlocks.NOT_TEST = new Cycle_sim_prim_obj('NOT_TEST', ['Z'], ['A'], false);
primBlocks.NOT_TEST.init = function(inst) {
inst.testCount = 0;
inst.nextTime = 0;
inst.state = 0;
inst.failed = false;
inst.expectedZ = undefined;
};
primBlocks.NOT_TEST.tick = function(inst) {
var valZ;
var newA;
var propTime = 10;
var requiredTests = 8;
if (cycle_sim.hw.time >= inst.nextTime) {
switch (inst.state) {
case 0:
//set inputs randomly
newA = cycle_sim.randomBool();
inst.expectedZ = !newA;
cycle_sim.setSigVal(inst, 'A', newA);
inst.nextTime += propTime;
inst.state = 1;
break;
case 1:
//verify output is correct
valZ = cycle_sim.getSigVal(inst, 'Z');
if (valZ !== inst.expectedZ) {
cycle_sim.testFail('NOT', 'NOT output was not correct.');
inst.failed = true;
return;
} else {
inst.testCount += 1;
inst.nextTime += 1;
inst.state = 0;
cycle_sim.simLog('Passed ' + inst.testCount + ' tests of ' + requiredTests);
}
break;
}
}
if (inst.testCount >= requiredTests) {
if (inst.failed === false) {
cycle_sim.testPass('NOT', 1);
} else {
cycle_sim.testFail('NOT', 'Test completed with previous fails.');
}
}
};
primBlocks.AND_TEST = new Cycle_sim_prim_obj('AND_TEST', ['Z'], ['A', 'B'], false);
primBlocks.AND_TEST.init = function(inst) {
inst.testCount = 0;
inst.nextTime = 0;
inst.state = 0;
inst.failed = false;
inst.expectedZ = undefined;
};
primBlocks.AND_TEST.tick = function(inst) {
var valZ;
var newA;
var newB;
var propTime = 10;
var requiredTests = 16;
if (cycle_sim.hw.time >= inst.nextTime) {
switch (inst.state) {
case 0:
//set inputs randomly
newA = cycle_sim.randomBool();
newB = cycle_sim.randomBool();
inst.expectedZ = newA && newB;
cycle_sim.setSigVal(inst, 'A', newA);
cycle_sim.setSigVal(inst, 'B', newB);
inst.nextTime += propTime;
inst.state = 1;
break;
case 1:
//verify output is correct
valZ = cycle_sim.getSigVal(inst, 'Z');
if (valZ !== inst.expectedZ) {
cycle_sim.testFail('AND', 'AND output was not correct.');
inst.failed = true;
return;
} else {
inst.testCount += 1;
inst.nextTime += 1;
inst.state = 0;
cycle_sim.simLog('Passed ' + inst.testCount + ' tests of ' + requiredTests);
}
break;
}
}
if (inst.testCount >= requiredTests) {
if (inst.failed === false) {
cycle_sim.testPass('AND', 2);
} else {
cycle_sim.testFail('AND', 'Test completed with previous fails.');
}
}
};
primBlocks.NOR_TEST = new Cycle_sim_prim_obj('NOR_TEST', ['Z'], ['A', 'B'], false);
primBlocks.NOR_TEST.init = function(inst) {
inst.testCount = 0;
inst.nextTime = 0;
inst.state = 0;
inst.failed = false;
inst.expectedZ = undefined;
};
primBlocks.NOR_TEST.tick = function(inst) {
var valZ;
var newA;
var newB;
var propTime = 10;
var requiredTests = 16;
if (cycle_sim.hw.time >= inst.nextTime) {
switch (inst.state) {
case 0:
//set inputs randomly
newA = cycle_sim.randomBool();
newB = cycle_sim.randomBool();
inst.expectedZ = !(newA || newB);
cycle_sim.setSigVal(inst, 'A', newA);
cycle_sim.setSigVal(inst, 'B', newB);
inst.nextTime += propTime;
inst.state = 1;
break;
case 1:
//verify output is correct
valZ = cycle_sim.getSigVal(inst, 'Z');
if (valZ !== inst.expectedZ) {
cycle_sim.testFail('NOR', 'NOR output was not correct.');
inst.failed = true;
return;
} else {
inst.testCount += 1;
inst.nextTime += 1;
inst.state = 0;
cycle_sim.simLog('Passed ' + inst.testCount + ' tests of ' + requiredTests);
}
break;
}
}
if (inst.testCount >= requiredTests) {
if (inst.failed === false) {
cycle_sim.testPass('NOR', 4);
} else {
cycle_sim.testFail('NOR', 'Test completed with previous fails.');
}
}
};
primBlocks.OR_TEST = new Cycle_sim_prim_obj('OR_TEST', ['Z'], ['A', 'B'], false);
primBlocks.OR_TEST.init = function(inst) {
inst.testCount = 0;
inst.nextTime = 0;
inst.state = 0;
inst.failed = false;
inst.expectedZ = undefined;
};
primBlocks.OR_TEST.tick = function(inst) {
var valZ;
var newA;
var newB;
var propTime = 10;
var requiredTests = 16;
if (cycle_sim.hw.time >= inst.nextTime) {
switch (inst.state) {
case 0:
//set inputs randomly
newA = cycle_sim.randomBool();
newB = cycle_sim.randomBool();
inst.expectedZ = (newA || newB);
cycle_sim.setSigVal(inst, 'A', newA);
cycle_sim.setSigVal(inst, 'B', newB);
inst.nextTime += propTime;
inst.state = 1;
break;
case 1:
//verify output is correct
valZ = cycle_sim.getSigVal(inst, 'Z');
if (valZ !== inst.expectedZ) {
cycle_sim.testFail('OR', 'OR output was not correct.');
inst.failed = true;
return;
} else {
inst.testCount += 1;
inst.nextTime += 1;
inst.state = 0;
cycle_sim.simLog('Passed ' + inst.testCount + ' tests of ' + requiredTests);
}
break;
}
}
if (inst.testCount >= requiredTests) {
if (inst.failed === false) {
cycle_sim.testPass('OR', 3);
} else {
cycle_sim.testFail('OR', 'Test completed with previous fails.');
}
}
};
primBlocks.XOR_TEST = new Cycle_sim_prim_obj('XOR_TEST', ['Z'], ['A', 'B'], false);
primBlocks.XOR_TEST.init = function(inst) {
inst.testCount = 0;
inst.nextTime = 0;
inst.state = 0;
inst.failed = false;
inst.expectedZ = undefined;
};
primBlocks.XOR_TEST.tick = function(inst) {
var valZ;
var newA;
var newB;
var propTime = 10;
var requiredTests = 16;
if (cycle_sim.hw.time >= inst.nextTime) {
switch (inst.state) {
case 0:
//set inputs randomly
newA = cycle_sim.randomBool();
newB = cycle_sim.randomBool();
//no logical xor in javascript so use !== instead
inst.expectedZ = (newA !== newB);
cycle_sim.setSigVal(inst, 'A', newA);
cycle_sim.setSigVal(inst, 'B', newB);
inst.nextTime += propTime;
inst.state = 1;
break;
case 1:
//verify output is correct
valZ = cycle_sim.getSigVal(inst, 'Z');
if (valZ !== inst.expectedZ) {
cycle_sim.testFail('XOR', 'XOR output was not correct, expected ' + inst.expectedZ + ' but saw ' + valZ);
inst.failed = true;
return;
} else {
inst.testCount += 1;
inst.nextTime += 1;
inst.state = 0;
cycle_sim.simLog('Passed ' + inst.testCount + ' tests of ' + requiredTests);
}
break;
}
}
if (inst.testCount >= requiredTests) {
if (inst.failed === false) {
cycle_sim.testPass('XOR', 5);
} else {
cycle_sim.testFail('XOR', 'Test completed with previous fails.');
}
}
};
primBlocks.TRUTH_TABLE1_TEST = new Cycle_sim_prim_obj('TRUTH_TABLE1_TEST', ['Z'], ['A', 'B'], false);
primBlocks.TRUTH_TABLE1_TEST.init = function(inst) {
inst.testCount = 0;
inst.nextTime = 0;
inst.state = 0;
inst.failed = false;
inst.expectedZ = undefined;
inst.truthTable = [[false,false],[true,false]];
};
primBlocks.TRUTH_TABLE1_TEST.tick = function(inst) {
var valZ;
var newA;
var newB;
var propTime = 12;
var requiredTests = 16;
if (cycle_sim.hw.time >= inst.nextTime) {
switch (inst.state) {
case 0:
//set inputs randomly
newA = cycle_sim.randomBool();
newB = cycle_sim.randomBool();
inst.expectedZ = inst.truthTable[newA+0][newB+0];
cycle_sim.setSigVal(inst, 'A', newA);
cycle_sim.setSigVal(inst, 'B', newB);
inst.nextTime += propTime;
inst.state = 1;
break;
case 1:
//verify output is correct
valZ = cycle_sim.getSigVal(inst, 'Z');
if (valZ !== inst.expectedZ) {
cycle_sim.testFail('TRUTH_TABLE1', 'TRUTH_TABLE1 output was not correct. Expected ' + inst.expectedZ + ' but saw ' + valZ);
inst.failed = true;
return;
} else {
inst.testCount += 1;
inst.nextTime += 1;
inst.state = 0;
cycle_sim.simLog('Passed ' + inst.testCount + ' tests of ' + requiredTests);
}
break;
}
}
if (inst.testCount >= requiredTests) {
if (inst.failed === false) {
cycle_sim.testPass('TRUTH_TABLE1', 6);
} else {
cycle_sim.testFail('TRUTH_TABLE1', 'Test completed with previous fails.');
}
}
};
primBlocks.TRUTH_TABLE2_TEST = new Cycle_sim_prim_obj('TRUTH_TABLE2_TEST', ['Z'], ['A', 'B', 'C'], false);
primBlocks.TRUTH_TABLE2_TEST.init = function(inst) {
inst.testCount = 0;
inst.nextTime = 0;
inst.state = 0;
inst.failed = false;
inst.expectedZ = undefined;
inst.truthTable = [[[true,true],[false,false]],[[true,true],[false,true]]];
};
primBlocks.TRUTH_TABLE2_TEST.tick = function(inst) {
var valZ;
var newA;
var newB;
var newC;
var propTime = 14;
var requiredTests = 32;
if (cycle_sim.hw.time >= inst.nextTime) {
switch (inst.state) {
case 0:
//set inputs randomly
newA = cycle_sim.randomBool();
newB = cycle_sim.randomBool();
newC = cycle_sim.randomBool();
inst.expectedZ = inst.truthTable[newA+0][newB+0][newC+0];
cycle_sim.setSigVal(inst, 'A', newA);
cycle_sim.setSigVal(inst, 'B', newB);
cycle_sim.setSigVal(inst, 'C', newC);
inst.nextTime += propTime;
inst.state = 1;
break;
case 1:
//verify output is correct
valZ = cycle_sim.getSigVal(inst, 'Z');
if (valZ !== inst.expectedZ) {
cycle_sim.testFail('TRUTH_TABLE2', 'TRUTH_TABLE2 output was not correct. Expected ' + inst.expectedZ + ' but saw ' + valZ);
inst.failed = true;
return;
} else {
inst.testCount += 1;
inst.nextTime += 1;
inst.state = 0;
cycle_sim.simLog('Passed ' + inst.testCount + ' tests of ' + requiredTests);
}
break;
}
}
if (inst.testCount >= requiredTests) {
if (inst.failed === false) {
cycle_sim.testPass('TRUTH_TABLE2', 7);
} else {
cycle_sim.testFail('TRUTH_TABLE2', 'Test completed with previous fails.');
}
}
};
primBlocks.TRUTH_TABLE3_TEST = new Cycle_sim_prim_obj('TRUTH_TABLE3_TEST', ['Z'], ['A', 'B', 'C', 'D'], false);
primBlocks.TRUTH_TABLE3_TEST.init = function(inst) {
inst.testCount = 0;
inst.nextTime = 0;
inst.state = 0;
inst.failed = false;
inst.expectedZ = undefined;
inst.truthTable = [[[[false,false],[false,false]],[[true,true],[true,false]]],[[[true,false],[true,true]],[[true,true],[true,true]]]];
};
primBlocks.TRUTH_TABLE3_TEST.tick = function(inst) {
var valZ;
var newA;
var newB;
var newC;
var newD;
var propTime = 18;
var requiredTests = 64;
if (cycle_sim.hw.time >= inst.nextTime) {
switch (inst.state) {
case 0:
//set inputs randomly
newA = cycle_sim.randomBool();
newB = cycle_sim.randomBool();
newC = cycle_sim.randomBool();
newD = cycle_sim.randomBool();
inst.expectedZ = inst.truthTable[newA+0][newB+0][newC+0][newD+0];
cycle_sim.setSigVal(inst, 'A', newA);
cycle_sim.setSigVal(inst, 'B', newB);
cycle_sim.setSigVal(inst, 'C', newC);
cycle_sim.setSigVal(inst, 'D', newD);
inst.nextTime += propTime;
inst.state = 1;
break;
case 1:
//verify output is correct
valZ = cycle_sim.getSigVal(inst, 'Z');
if (valZ !== inst.expectedZ) {
cycle_sim.testFail('TRUTH_TABLE3', 'TRUTH_TABLE3 output was not correct. Expected ' + inst.expectedZ + ' but saw ' + valZ);
inst.failed = true;
return;
} else {
inst.testCount += 1;
inst.nextTime += 1;
inst.state = 0;
cycle_sim.simLog('Passed ' + inst.testCount + ' tests of ' + requiredTests);
}
break;
}
}
if (inst.testCount >= requiredTests) {
if (inst.failed === false) {
cycle_sim.testPass('TRUTH_TABLE3', 8);
} else {
cycle_sim.testFail('TRUTH_TABLE3', 'Test completed with previous fails.');
}
}
};
primBlocks.MUX21_TEST = new Cycle_sim_prim_obj('MUX21_TEST', ['Z'], ['I0', 'I1', 'S'], false);
primBlocks.MUX21_TEST.init = function(inst) {
inst.testCount = 0;
inst.nextTime = 0;
inst.state = 0;
inst.failed = false;
inst.expectedZ = undefined;
};
primBlocks.MUX21_TEST.tick = function(inst) {
var valZ;
var newI0;
var newI1;
var newS;
var propTime = 12;
var requiredTests = 32;
if (cycle_sim.hw.time >= inst.nextTime) {
switch (inst.state) {
case 0:
//set inputs randomly
newI0 = cycle_sim.randomBool();
newI1 = cycle_sim.randomBool();
newS = cycle_sim.randomBool();
if (newS) {
inst.expectedZ = newI1;
} else {
inst.expectedZ = newI0;
}
cycle_sim.setSigVal(inst, 'I0', newI0);
cycle_sim.setSigVal(inst, 'I1', newI1);
cycle_sim.setSigVal(inst, 'S', newS);
inst.nextTime += propTime;
inst.state = 1;
break;
case 1:
//verify output is correct
valZ = cycle_sim.getSigVal(inst, 'Z');
if (valZ !== inst.expectedZ) {
cycle_sim.testFail('MUX21', 'Output was not correct. Expected ' + inst.expectedZ + ' but saw ' + valZ);
inst.failed = true;
return;
} else {
inst.testCount += 1;
inst.nextTime += 1;
inst.state = 0;
cycle_sim.simLog('Passed ' + inst.testCount + ' tests of ' + requiredTests);
}
break;
}
}
if (inst.testCount >= requiredTests) {
if (inst.failed === false) {
cycle_sim.testPass('MUX21', 9);
} else {
cycle_sim.testFail('MUX21', 'Test completed with previous fails.');
}
}
};
primBlocks.MUX41_TEST = new Cycle_sim_prim_obj('MUX41_TEST', ['Z'], ['I0', 'I1', 'I2', 'I3', 'S<1>', 'S<0>'], false);
primBlocks.MUX41_TEST.init = function(inst) {
inst.testCount = 0;
inst.nextTime = 0;
inst.state = 0;
inst.failed = false;
inst.expectedZ = undefined;
};
primBlocks.MUX41_TEST.tick = function(inst) {
var valZ;
var newI0;
var newI1;
var newI2;
var newI3;
var newS1;
var newS0;
var Sint;
var propTime = 15;
var requiredTests = 64;
if (cycle_sim.hw.time >= inst.nextTime) {
switch (inst.state) {
case 0:
//set inputs randomly
newI0 = cycle_sim.randomBool();
newI1 = cycle_sim.randomBool();
newI2 = cycle_sim.randomBool();
newI3 = cycle_sim.randomBool();
newS1 = cycle_sim.randomBool();
newS0 = cycle_sim.randomBool();
Sint = ((newS1 + 0) << 1) | (newS0 + 0);
switch (Sint) {
case 0:
inst.expectedZ = newI0;
break;
case 1:
inst.expectedZ = newI1;
break;
case 2:
inst.expectedZ = newI2;
break;
case 3:
inst.expectedZ = newI3;
break;
}
cycle_sim.setSigVal(inst, 'I0', newI0);
cycle_sim.setSigVal(inst, 'I1', newI1);
cycle_sim.setSigVal(inst, 'I2', newI2);
cycle_sim.setSigVal(inst, 'I3', newI3);
cycle_sim.setSigVal(inst, 'S<1>', newS1);
cycle_sim.setSigVal(inst, 'S<0>', newS0);
inst.nextTime += propTime;
inst.state = 1;
break;
case 1:
//verify output is correct
valZ = cycle_sim.getSigVal(inst, 'Z');
if (valZ !== inst.expectedZ) {
cycle_sim.testFail('MUX41', 'Output was not correct. Expected ' + inst.expectedZ + ' but saw ' + valZ);
inst.failed = true;
return;
} else {
inst.testCount += 1;
inst.nextTime += 1;
inst.state = 0;
cycle_sim.simLog('Passed ' + inst.testCount + ' tests of ' + requiredTests);
}
break;
}
}
if (inst.testCount >= requiredTests) {
if (inst.failed === false) {
cycle_sim.testPass('MUX41', 10);
} else {
cycle_sim.testFail('MUX41', 'Test completed with previous fails.');
}
}
};
primBlocks.MUX81X8_TEST = new Cycle_sim_prim_obj('MUX81X8_TEST', ['Z<7>', 'Z<6>', 'Z<5>', 'Z<4>', 'Z<3>', 'Z<2>', 'Z<1>', 'Z<0>'],
[ 'I0<7>', 'I0<6>', 'I0<5>', 'I0<4>', 'I0<3>', 'I0<2>', 'I0<1>', 'I0<0>',
'I1<7>', 'I1<6>', 'I1<5>', 'I1<4>', 'I1<3>', 'I1<2>', 'I1<1>', 'I1<0>',
'I2<7>', 'I2<6>', 'I2<5>', 'I2<4>', 'I2<3>', 'I2<2>', 'I2<1>', 'I2<0>',
'I3<7>', 'I3<6>', 'I3<5>', 'I3<4>', 'I3<3>', 'I3<2>', 'I3<1>', 'I3<0>',
'I4<7>', 'I4<6>', 'I4<5>', 'I4<4>', 'I4<3>', 'I4<2>', 'I4<1>', 'I4<0>',
'I5<7>', 'I5<6>', 'I5<5>', 'I5<4>', 'I5<3>', 'I5<2>', 'I5<1>', 'I5<0>',
'I6<7>', 'I6<6>', 'I6<5>', 'I6<4>', 'I6<3>', 'I6<2>', 'I6<1>', 'I6<0>',
'I7<7>', 'I7<6>', 'I7<5>', 'I7<4>', 'I7<3>', 'I7<2>', 'I7<1>', 'I7<0>',
'S<2>', 'S<1>', 'S<0>'], false);
primBlocks.MUX81X8_TEST.init = function(inst) {
inst.testCount = 0;
inst.nextTime = 0;
inst.state = 0;
inst.failed = false;
inst.expectedZ = undefined;
};
primBlocks.MUX81X8_TEST.tick = function(inst) {
var valZ;
var newI0;
var newI1;
var newI2;
var newI3;
var newI4;
var newI5;
var newI6;
var newI7;
var newS;
var propTime = 20;
var requiredTests = 128;
if (cycle_sim.hw.time >= inst.nextTime) {
switch (inst.state) {
case 0:
//set inputs randomly
newI0 = cycle_sim.randomInt(0,255);
newI1 = cycle_sim.randomInt(0,255);
newI2 = cycle_sim.randomInt(0,255);
newI3 = cycle_sim.randomInt(0,255);
newI4 = cycle_sim.randomInt(0,255);
newI5 = cycle_sim.randomInt(0,255);
newI6 = cycle_sim.randomInt(0,255);
newI7 = cycle_sim.randomInt(0,255);
newS = cycle_sim.randomInt(0,7);
switch (newS) {
case 0:
inst.expectedZ = newI0;
break;
case 1:
inst.expectedZ = newI1;
break;
case 2:
inst.expectedZ = newI2;
break;
case 3:
inst.expectedZ = newI3;
break;
case 4:
inst.expectedZ = newI4;
break;
case 5:
inst.expectedZ = newI5;
break;
case 6:
inst.expectedZ = newI6;
break;
case 7:
inst.expectedZ = newI7;
break;
}
cycle_sim.setSigVecVal(inst, 'I0', 7, 0, newI0);
cycle_sim.setSigVecVal(inst, 'I1', 7, 0, newI1);
cycle_sim.setSigVecVal(inst, 'I2', 7, 0, newI2);
cycle_sim.setSigVecVal(inst, 'I3', 7, 0, newI3);
cycle_sim.setSigVecVal(inst, 'I4', 7, 0, newI4);
cycle_sim.setSigVecVal(inst, 'I5', 7, 0, newI5);
cycle_sim.setSigVecVal(inst, 'I6', 7, 0, newI6);
cycle_sim.setSigVecVal(inst, 'I7', 7, 0, newI7);
cycle_sim.setSigVecVal(inst, 'S', 2, 0, newS);
inst.nextTime += propTime;
inst.state = 1;
break;
case 1:
//verify output is correct
valZ = cycle_sim.getSigVecVal(inst, 'Z', 7, 0);
if (valZ !== inst.expectedZ) {
cycle_sim.testFail('MUX81X8', 'Output was not correct. Expected ' + inst.expectedZ + ' but saw ' + valZ);
inst.failed = true;
return;
} else {
inst.testCount += 1;
inst.nextTime += 1;
inst.state = 0;
cycle_sim.simLog('Passed ' + inst.testCount + ' tests of ' + requiredTests);
}
break;
}
}