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main.js
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main.js
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/*
LogicEmu
Copyright (c) 2018-2023 Lode Vandevenne
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
/*
Main program js file
This has been tested to work in Chrome and Firefox, and hopefully works in other browsers too.
*/
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
document.body.onkeydown = function(e) {
if(editmode && !!edit) {
if(edit.onkeydown) {
return edit.onkeydown(e);
}
}
};
var lastmousedowncomponent = null;
document.body.onmouseup = function(e) {
if(lastmousedowncomponent) {
var didsomething = lastmousedowncomponent.mouseup(e);
lastmousedowncomponent = null;
}
global_changed_something = true;
};
//document.body.ontouchend = document.body.onmouseup;
var edit = undefined;
var NEWEDIT = false;
var editmode = false; // could be called modal mode, it's used for some other things than just editing too
var textbeforeedit = '';
// NOTE: This are used not only by SimpleEditor, but also by the import and export buttons.
var editdiv;
var editarea;
// anything that sets editmode = true, must also assign a function here that does what's needed when setting editmode = false again
// the function itself should not assign editmode = false, the caller must do that when also calling this function
// this should not include saving of map or canceling, only the UI cleanup/restore related functionality
var editModeCancelFun = undefined;
var editModeFinishFun = undefined;
function SimpleEditor() {
editdiv = undefined;
editarea = undefined;
this.setUp = function() {
var docwidth = /*document.body.clientWidth*/window.innerWidth - 24 - 80;
var docheight = /*document.body.clientHeight*/window.innerHeight - 100 - 8 - 80;
var fontsize = 10;
var ewidth = Math.max(w, 40);
var eheight = Math.min(Math.max(origtext.split('\n').length, 16));
editdiv = util.makeAbsElement('div', 30, 128, docwidth, docheight);
//editarea = makeAbsElement('textarea', 30, 128, (fontsize + 2) * ewidth, (fontsize + 2) * eheight);
editarea = util.makeAbsElement('textarea', 0, 0, docwidth, docheight - 100, editdiv);
editarea.rows = eheight;
editarea.cols = ewidth;
editarea.value = origtext;
editarea.style.fontSize = fontsize + 'px';
editarea.style.zIndex = '1'; // anything as long as it's less than the menu bar
//worldDiv.style.display = 'none';
//editarea.style.position = 'fixed';
util.makeInternalButton('cancel', editdiv, (docwidth - 200), (docheight - 80), function() {
editModeCancelFun();
});
util.makeInternalButton('done', editdiv, (docwidth - 100), (docheight - 80), function() {
editModeFinishFun();
});
};
// returns the text
this.turnDown = function() {
var newtext = editarea.value;
util.removeElement(editdiv);
return newtext;
};
};
function finishEdit() {
var newtext = edit.turnDown();
edit = undefined;
editButton.innerText = 'edit';
editmode = false;
createMenuUI();
if(newtext.length == 0) return;
if(newtext != textbeforeedit) {
util.setLocalStorage(newtext, 'circuit_text');
autoSaveCircuit[0] = newtext;
parseText(newtext, 'edited circuit', undefined, 1);
} else {
parseText(newtext, 'edited circuit', undefined, 2);
}
}
function cancelEdit() {
edit.turnDown();
edit = undefined;
editButton.innerText = 'edit';
editmode = false;
createMenuUI();
parseText(textbeforeedit, origtitle, undefined, 2);
}
//elements created by createMenuUI
var menuRows;
var menuRow0El;
var menuRow1El;
var menuRow2El;
var menuRow3El;
var ticksCounterEl;
var rendererDropdown;
var circuitNameEl;
var circuitDropdownSpan;
var editbutton;
var changeDropdown;
var statsButton;
var dialogDiv;
// functions created by createMenuUI
var updatePauseButtonText;
var updateModeButtonText;
var updateTimeButtonBorders;
var updateTicksDisplay;
// smaller version of the menu rows shown when editing is active
function createEditorMenuUI(cancelFun, finishFun) {
if(menuRows) util.removeElement(menuRows);
menuRows = util.makeElementAt('div', 0, 0);
menuRows.style.position = 'fixed';
menuRows.style.display = 'block';
menuRows.style.width = '100%';
menuRows.style.height = '100px';
menuRows.style.zIndex = '100';
menuRow0El = util.makeElementAt('span', 0, 0, menuRows);
menuRow0El.style.background = '#f8f8f8';
menuRow0El.style.position = 'absolute';
menuRow0El.style.width = '100%';
menuRow0El.style.height = '32px';
if(cancelFun) {
var cancelLink = util.makeElement('span', menuRow0El);
cancelLink.title = 'cancel the current modal operation';
cancelLink.innerHTML = 'cancel';
cancelLink.style.paddingLeft = '10px';
cancelLink.style.color = '#00e';
cancelLink.style.textDecoration = 'underline';
cancelLink.style.cursor = 'pointer';
cancelLink.onclick = function() {
if(cancelFun) cancelFun();
};
}
if(finishFun) {
var cancelLink = util.makeElement('span', menuRow0El);
cancelLink.title = 'finish and save the current modal operation';
cancelLink.innerHTML = 'finish';
cancelLink.style.paddingLeft = '10px';
cancelLink.style.color = '#00e';
cancelLink.style.textDecoration = 'underline';
cancelLink.style.cursor = 'pointer';
cancelLink.onclick = function() {
if(finishFun) finishFun();
};
}
var githubLink = util.makeElement('span', menuRow0El);
githubLink.style.paddingLeft = '10px';
githubLink.innerHTML = '<a href="https://github.com/lvandeve/logicemu" target="_blank">github</a>';
githubLink.style.paddingRight = '10px';
}
function makeDialog(w, h, text, cancelbuttonname, cancelfun) {
var docwidth = /*document.body.clientWidth*/window.innerWidth - 24 - 80;
var docheight = /*document.body.clientHeight*/window.innerHeight - 100 - 8 - 80;
var overlay = makeDiv(0, 0, window.innerWidth, window.innerHeight);
overlay.style.backgroundColor = 'rgba(0, 0, 0, 0.75)';
overlay.style.position = 'fixed';
overlay.style.zIndex = '99';
var dialogDiv = util.makeAbsElement('div', 0, 0, w, h);
dialogDiv.style.backgroundColor = 'white';
dialogDiv.style.position = 'fixed';
dialogDiv.style.top = '50%';
dialogDiv.style.left = '50%';
dialogDiv.style.transform = 'translate(-50%, -50%)';
dialogDiv.style.border = '1px solid black';
dialogDiv.style.zIndex = '101';
dialogDiv.style.padding = '10px';
dialogDiv.innerText = text;
var hide = function() {
util.removeElement(overlay);
util.removeElement(dialogDiv);
dialogDiv = undefined;
};
util.makeInternalButton(cancelbuttonname, dialogDiv, (w - 90), (h - 20), function() {
hide();
if(cancelfun) cancelfun();
});
overlay.onclick = hide;
}
function getStatsText() {
var numVisibleComponents = 0;
var numComponents = 0;
var numOnComponents = 0;
var numOffComponents = 0;
var numComponentInputs = 0;
var numGates = 0;
var numGatesLarge = 0;
var numGatesOther = 0;
var numInvertedInputs = 0;
var numCells = 0;
var numTransistors = 0;
var numTransistorsLarge = 0;
for(var i = 0; i < components.length; i++) {
var c = components[i];
var t = c.type;
var ni = c.inputs.length;
if(t == TYPE_NULL || t == TYPE_LOOSE_WIRE_EXPLICIT || t == TYPE_LOOSE_WIRE_IMPLICIT || t == TYPE_UNKNOWN_DEVICE || t == TYPE_IC_PASSTHROUGH) {
continue;
}
numComponents++;
if(!c.issub) {
numVisibleComponents++;
}
if(c.value) {
numOnComponents++;
} else {
numOffComponents++;
}
if(t == TYPE_AND || t == TYPE_NAND || t == TYPE_OR || t == TYPE_NOR || t == TYPE_XOR || t == TYPE_XNOR || t == TYPE_ONEHOT || t == TYPE_NONEHOT) {
numGates++;
}
numComponentInputs += ni;
// Any built-in device of some complexity, e.g. the terminal emulator or ALUs, are assumed to use a simple CPU of 4000 transistors for that.
var cpuTransistors = 4000;
var ffTransistors = 26; // num transistors of JK flip-flop with 13 NAND gates
var dffTransistors = 18; // num transistors of D ff or 1-input T ff
var cpuGates = 2000;
var ffGates = 13;
var dffGates = 9;
// to count flip-flops, VTE, ... that use multiple components internally only once, skip sub-components
var isSubComponent = c.parent && (c.parent != c);
// Estimate total amount of transitors, assuming NMOS
if(t == TYPE_AND || t == TYPE_NAND) {
numTransistors += (ni > 1) ? ((ni - 1) * 3) : 0;
if(t == TYPE_NAND && ni > 1) numTransistors--;
if(ni == 1) numTransistors++; // diode or invertor
} else if(t == TYPE_OR || t == TYPE_NOR) {
numTransistors += (ni > 1) ? ((ni - 1) * 3) : 0;
if(t == TYPE_NOR && ni > 1) numTransistors--;
if(ni == 1) numTransistors++; // diode or invertor
} else if(t == TYPE_XOR || t == TYPE_XNOR) {
// TODO: xor with more than 2 inputs may be possible with less than 6 per implicit XOR
numTransistors += (ni > 1) ? ((ni - 1) * 6) : 0;
if(t == TYPE_XNOR && ni > 1) numTransistors++;
if(ni == 1) numTransistors++; // diode or invertor
} else if(t == TYPE_ONEHOT || t == TYPE_NONEHOT) {
if(ni == 2) {
numTransistors += 6;
} else if(ni > 2) {
// This estimate assumes that with many inputs, you can add one more input to the onehot detector using 2 ORs and 1 AND (an OR to keep track of having any input on, the AND and OR to keep track of too many inputs on).
// The + 2 at the end is an AND with a negated input, which would be +4, but then assume the or series ends with NOR to reduce 2.
// TODO: this estimate is likely too high, there may be possibilities with less transistors per input.
numTransistors += 6 + (ni - 2) * 9 + 2;
}
if(ni == 1) numTransistors++; // diode or invertor
} else if (t == TYPE_TRISTATE || t == TYPE_TRISTATE_INV) {
// we could not count tristate buffers, since they represent direct connection to wires
// so below code, which would count it as and/or gates, commented out
//numTransistors += (ni > 1) ? ((ni - 1) * 3) : 0;
//if(t == TYPE_TRISTATE_INV && ni > 1) numTransistors--;
//if(ni == 1) numTransistors++; // diode or invertor
} else if(t == TYPE_COUNTER) {
// assume counter based on 1-input T flip-flop with 9 NAND gates (18 transistors)
numTransistors += dffTransistors;
numGatesOther += dffGates;
if(ni > 1) {
numTransistors += 6 * (ni - 1); // assume one more xor gate per input, this may be underestimate since it's not just as simple as an extra XOR per input
numGatesOther += (ni - 1);
}
} else if (t == TYPE_FLIPFLOP && !isSubComponent && c.ff) {
var ff = c.ff;
var extrainputcost = 4; // somewhat arbitrary
var totaldatainputs = ff.numj + ff.numk + ff.numd + ff.numt;
if(ff.numc) {
if(ff.numj || ff.numk) {
numTransistors += ffTransistors;
numGatesOther += ffGates;
if(totaldatainputs > 2) {
numTransistors += (totaldatainputs - 2) * extrainputcost;
numGatesOther += (((totaldatainputs - 2) * extrainputcost) >> 1);
}
} else if(ff.numd || ff.numt) {
numTransistors += dffTransistors;
if(totaldatainputs > 1) {
numTransistors += (totaldatainputs - 1) * extrainputcost;
numGatesOther += (((totaldatainputs - 1) * extrainputcost) >> 1);
}
} else {
// Any other kind of inputs is treated as the most expensive type.
numTransistors += ffTransistors;
if(totaldatainputs > 1) {
numTransistors += (totaldatainputs - 1) * extrainputcost;
numGatesOther += (((totaldatainputs - 1) * extrainputcost) >> 1);
}
}
numTransistors += ff.numy * extrainputcost;
numGatesOther += ((ff.numy * extrainputcost) >> 1);
} else {
numTransistors += 8; // jk, d and t latch can all be made with 4 NANDs
numGatesOther += 4;
var expecteddatainputs = ((ff.numj || ff.numk) ? 2 : 1);
if(totaldatainputs > expecteddatainputs) {
numTransistors += (totaldatainputs - expecteddatainputs) * extrainputcost;
numGatesOther += (((totaldatainputs - expecteddatainputs) * extrainputcost) >> 1);
}
var expectedy = ((ff.numj || ff.numk) ? 0 : 1);
if(ff.numy > expectedy) {
numTransistors += (ff.numy - expectedy) * extrainputcost;
numGatesOther += (((ff.numy - expectedy) * extrainputcost) >> 1 );
}
}
} else if(t == TYPE_TIMER_OFF || t == TYPE_TIMER_ON) {
numTransistors += 2; // amount of transistors for blinking circuit
numGatesOther++;
} else if(t == TYPE_RANDOM) {
// very arbitrary estimate, make random as expensive as full flip-flop, it is edge triggered and keeps state
if(ni > 0) {
numTransistors += ffTransistors;
numGatesOther += ffGates;
}
if(ni > 1) {
numTransistors += 6 * (ni - 1); // assume one more xor gate per input, this may be underestimate since it's not just as simple as an extra XOR per input
numGatesOther += (ni - 1);
}
} else if(t == TYPE_DELAY) {
if(ni > 0) {
// assume 1 D-flipflop of 9 NAND gates per delay amount
if(c.number <= 1) {
numTransistors += dffTransistors;
numGatesOther += dffGates;
} else {
numTransistors += dffTransistors * c.number;
numGatesOther += dffGates * c.number;
}
}
} else if(t == TYPE_VTE && !isSubComponent) {
if(ni == 1 && c.vte && c.vte.numoutputs <= 0) {
// nothing, is 1-bit output
} else {
numTransistorsLarge += cpuTransistors;
numTransistorsLarge += ni * ffTransistors;
numGatesLarge += cpuGates;
numGatesLarge += ni * ffGates;
}
} else if(t == TYPE_ALU && !isSubComponent) {
numTransistorsLarge += cpuTransistors;
numTransistorsLarge += ni * ffTransistors;
numGatesLarge += cpuGates;
numGatesLarge += ni * ffGates;
} else if(t == TYPE_ROM && !isSubComponent && c.rom) {
var rom = c.rom;
var isrom = !(rom.decoder || rom.encoder || rom.priority || rom.ram);
var perbit = 0;
if(rom.ram || isrom) {
perbit = 1;
if(rom.ram) perbit = dffTransistors;
if(rom.array.length) {
numTransistorsLarge += rom.array.length * rom.array[0].length * perbit;
numGatesLarge += rom.array.length * rom.array[0].length * perbit;
}
}
// handling of the encoding/decoding of inputs
// TODO: get better estimate of amount transistors per input for decoder/encoder/priority
if(!rom.onehot) {
numTransistorsLarge += ni * 32;
numGatesLarge += ni * 16;
}
} else if(t == TYPE_MUX && !isSubComponent) {
// only an estimate
if(ni >= 3) {
numTransistorsLarge += (ni - 2) * 8; // 2-input MUX (+ selector) can be made from 4 NANDs = 8 transistors. All other input amounts = estimate.
numGatesLarge += (ni - 2) * 3; // for the gates, don't count 4 NANDs, but instead 2 ANDs (one with negated input, not counted as separate gate by the counting logic for all other gates either) and an OR
}
if(ni > 3) {
numTransistorsLarge += ni * 32; // assume some encoding/decoding needed
numGatesLarge += ni * 16; // TODO: better estimate
}
} else if(t == TYPE_DOTMATRIX && !isSubComponent) {
// only an estimate
// <= 3 inputs is considered simple RGB LED so does not add transitors. > 3 inputs is considered dot matrix screen with complex circuitry inside.
if(ni > 3) {
numTransistorsLarge += cpuTransistors;
numTransistorsLarge += ni * ffTransistors;
numGatesLarge += cpuGates;
numGatesLarge += ni * ffGates;
}
}
// each inverted input adds one more transistor to the estimate
for(var j = 0; j < c.inputs_negated.length; j++) {
if(c.inputs_negated[j]) {
numTransistors++;
numInvertedInputs++;
}
}
}
for(var y0 = 0; y0 < h; y0++) {
for(var x0 = line0[y0]; x0 < line1[y0]; x0++) {
var c0 = world[y0][x0].circuitsymbol;
if(c0 != ' ') numCells++;
}
}
var text = '';
text += 'world width: ' + w + '\n';
text += 'world height: ' + h + '\n';
text += 'num circuit cells: ' + numCells + '\n'; // not comments, isolators, ...
text += 'cell size (pixels): ' + tw + '*' + th + '\n';
text += '\n';
text += ' physical stats\n';
text += 'estimated num transistors (imprecise for large devices): ' + (numTransistors + numTransistorsLarge) + '\n'; // not exact for large components like built-in flip-flops, ALUs, ...
text += 'num transistors (excluding large devices): ' + numTransistors + '\n';
text += 'estimated num logic gates (imprecise for large devices): ' + (numGates + numGatesLarge + numGatesOther) + '\n'; // not exact for large components like built-in flip-flops, ALUs, ... Also, inverted inputs for logic gates are not counted as extra gates, and multi-input gates count as 1 gate.
text += 'num standard logic gates (excludes large devices): ' + numGates + '\n';
text += 'num inverted inputs (extra NOT gates): ' + numInvertedInputs + '\n';
text += '\n';
text += ' component stats (component = logic gate, LED, large device, ...)\n';
text += 'num components: ' + numComponents + '\n';
text += 'num on components: ' + numOnComponents + '\n';
text += 'num off components: ' + numOffComponents + '\n';
text += 'num component inputs: ' + numComponentInputs + '\n';
text += 'num defined ICs: ' + Object.keys(defsubs).length + '\n';
text += 'num IC usages: ' + callsubs.length + '\n';
text += '\n';
text += ' other logicemu-related stats\n';
text += 'num non-hidden components: ' + numVisibleComponents + '\n'; // not in chip etc...
text += 'num components (full): ' + components.length + '\n'; // includes components for internal workings, not relevant to the actual circuit
return text;
}
var muted = false;
function createMenuUI() {
if(menuRows) util.removeElement(menuRows);
menuRows = util.makeElementAt('div', 0, 0);
menuRows.style.position = 'fixed';
menuRows.style.display = 'block';
menuRows.style.width = '100%';
menuRows.style.height = '100px';
menuRow0El = util.makeElementAt('span', 0, 0, menuRows);
menuRow1El = util.makeElementAt('span', 0, 24, menuRows);
menuRow2El = util.makeElementAt('span', 0, 72, menuRows);
menuRow3El = util.makeElementAt('span', 0, 104, menuRows);
menuRows.style.zIndex = 5; // can be anything as long as it's higher than what we assign to editarea
menuRow0El.style.background = '#f8f8f8';
menuRow0El.style.position = 'absolute';
menuRow0El.style.width = '100%';
menuRow0El.style.height = '32px';
menuRow1El.style.background = '#f8f8f8';
menuRow1El.style.position = 'absolute';
menuRow1El.style.width = '100%';
menuRow1El.style.height = '48px';
menuRow2El.style.background = '#f8f8f8';
menuRow2El.style.position = 'absolute';
menuRow2El.style.width = '100%';
menuRow2El.style.height = '32px';
menuRow3El.style.background = '#f8f8f8';
menuRow3El.style.position = 'absolute';
menuRow3El.style.width = '100%';
menuRow3El.style.height = '32px';
menuRow3El.style.boxShadow = '0px 4px 4px #aaa';
var modes = [
['immediate', 1], // faster than electron: recursively resolved gates, and keeps updating until things stop changing (in combinational circuits, that's after only 1 tick)
['electron', 3], // designed for gate-level flip-flops (but the built-in flip flops don't need this mode, those work as ideal flipflop in all modes!)
];
function getMode() {
for(var i = 0; i < modes.length; i++) {
if(UPDATE_ALGORITHM == modes[i][1]) {
return i;
}
}
return -1;
}
var modeDropdown = util.makeUIElement('select', menuRow2El);
modeDropdown.title = 'Choose Emulation Algorithm. *) immediate: does fast updates (all gates at once in sorted order, or as sorted as possible in case of loops) when using a button or timer. Updates until things stop changing (1 tick for combinational circuits).' +
' *) electron: does slow update (gate-per-gate) every so many milliseconds, emulates flip-flops crafted from gates in more interesting way with even a randomness mechanism to get them out of metastable state.' +
' When loading a new circuit, a mode is automatically chosen as follows: by default, immediate. If a particular type of loop between gates (such as in SR latch) is detected, electron. If any other loop is present: immediate'
;
modeDropdown.onchange = function() {
var mode = modeDropdown.selectedIndex;
if(mode >= modes.length) mode = 0;
UPDATE_ALGORITHM = modes[mode][1];
updateModeButtonText();
updatePauseButtonText();
};
for(var i = 0; i < modes.length; i++) {
var el = util.makeElement('option', modeDropdown).innerText = modes[i][0];
}
updateModeButtonText = function() {
var mode = getMode();
if(mode == -1) modeDropdown.selectedIndex = -1;
else modeDropdown.selectedIndex = mode;
}
var tickButton = util.makeUIElement('button', menuRow2El, 2);
tickButton.innerText = 'tick';
tickButton.title = 'Tick once. This allows ticking the circuit when paused, to investigate the signal. Especially useful in paused electron mode, or paused immediate mode if there are flip-flops or other sequential parts.';
tickButton.onclick = function() {
//if(!isPaused()) pause();
update();
}
updatePauseButtonText = function() {
pauseButton.innerText = isPaused() ? 'paused' : 'pause';
}
var pauseButton = util.makeUIElement('button', menuRow2El, 3);
pauseButton.innerText = 'pause';
pauseButton.title = 'pauses running circuit and timers, or enables them again if already paused. If paused, use the tick button to manually advance circuit state step by step instead. If you press switches of the circuit while paused, the update will be visible after you use the tick button.';
pauseButton.onclick = function() {
if(isPaused()) {
unpause();
} else {
pause();
}
updateTimeButtonBorders();
};
updatePauseButtonText();
var slowerButton = util.makeUIElement('button', menuRow2El, 2);
slowerButton.title = 'slows down simulation';
slowerButton.innerText = 'slow';
slowerButton.onclick = function() {
AUTOSECONDS = NORMALTICKLENGTH * 10;
pause();
unpause();
updateTimeButtonBorders();
};
var normalButton = util.makeUIElement('button', menuRow2El, 2);
normalButton.title = 'set to standard speed';
normalButton.innerText = 'norm';
normalButton.onclick = function() {
AUTOSECONDS = NORMALTICKLENGTH;
pause();
unpause();
updateTimeButtonBorders();
};
var boostButton = util.makeUIElement('button', menuRow2El, 2);
boostButton.title = 'speeds up simulation, if possible within the computational resources of the web browser';
boostButton.innerText = 'fast';
boostButton.onclick = function() {
AUTOSECONDS = NORMALTICKLENGTH / 10;
pause();
unpause();
updateTimeButtonBorders();
};
var timebuttons = [pauseButton, slowerButton, normalButton, boostButton];
updateTimeButtonBorders = function() {
var j = 0;
if(isPaused()) j = 0;
else if(AUTOSECONDS > NORMALTICKLENGTH) j = 1;
else if(AUTOSECONDS == NORMALTICKLENGTH) j = 2;
else if(AUTOSECONDS < NORMALTICKLENGTH) j = 3;
for (var i = 0; i < 4; i++) {
if(i == j) {
util.highlightUIElementBorder(timebuttons[i], i == 2 ? 'black' : 'red');
} else {
util.styleUIElementBorder(timebuttons[i]);
}
}
}
ticksCounterEl = util.makeElement('div', menuRow2El);
ticksCounterEl.innerHTML = ' ticks:' + numticks;
ticksCounterEl.style.width = '100px';
ticksCounterEl.style.display = 'inline-block';
ticksCounterEl.style.whiteSpace = 'nowrap';
//ticksCounterEl.style.fontSize = '90%';
ticksCounterEl.title = 'Amount of ticks so far. Click to reset to 0. If in electron mode, is per gate ticks. In immediate mode, one tick per full update.';
ticksCounterEl.onclick = function() {
numticks = 0;
updateTicksDisplay();
};
updateTicksDisplay = function() {
ticksCounterEl.innerHTML = ' ticks:' + numticks;
};
rendererDropdown = util.makeUIElement('select', menuRow2El);
rendererDropdown.title = 'Choose renderer: graphical or text. Graphical is with HTML5 canvas and has better looking wire connections but may be slower for huge circuits. Text mode is faster and is more closely related to how you edit circuits with ASCII text.';
rendererDropdown.onchange = function() {
graphics_mode = rendererDropdown.selectedIndex;
graphics_mode_actual = rendererDropdown.selectedIndex;
initDivs();
render();
};
util.makeElement('option', rendererDropdown).innerText = 'graphical';
util.makeElement('option', rendererDropdown).innerText = 'text';
util.makeElement('option', rendererDropdown).innerText = 'source';
rendererDropdown.selectedIndex = graphics_mode;
var colorDropdown = util.makeUIElement('select', menuRow2El, 3);
colorDropdown.title = 'Choose color scheme. The custom one can be edited in settings using CSS colors. The random one changes every time and is not gauranteed to be legible';
colorDropdown.onchange = function() {
util.setLocalStorage(colorDropdown.selectedIndex, 'color_scheme');
setColorScheme(colorDropdown.selectedIndex);
colorscheme = colorDropdown.selectedIndex;
initDivs();
render();
};
util.makeElement('option', colorDropdown).innerText = 'light';
util.makeElement('option', colorDropdown).innerText = 'dark';
util.makeElement('option', colorDropdown).innerText = 'gray';
util.makeElement('option', colorDropdown).innerText = 'red';
util.makeElement('option', colorDropdown).innerText = 'green';
util.makeElement('option', colorDropdown).innerText = 'blue';
util.makeElement('option', colorDropdown).innerText = 'brown';
util.makeElement('option', colorDropdown).innerText = 'candy';
util.makeElement('option', colorDropdown).innerText = 'inverted';
util.makeElement('option', colorDropdown).innerText = 'contrast';
util.makeElement('option', colorDropdown).innerText = 'monochrome';
util.makeElement('option', colorDropdown).innerText = 'invmono';
util.makeElement('option', colorDropdown).innerText = 'random';
util.makeElement('option', colorDropdown).innerText = 'custom';
colorDropdown.selectedIndex = colorscheme;
var saveZoom = function() {
util.setLocalStorage(lastzoom_circuit || '', 'lastzoom_circuit');
util.setLocalStorage(lastzoom_tw || -1, 'lastzoom_tw');
util.setLocalStorage(lastzoom_th || -1, 'lastzoom_th');
};
var zoomoutButton = util.makeUIElement('button', menuRow2El, 1);
zoomoutButton.innerText = '-';
zoomoutButton.title = 'Zoom out';
zoomoutButton.onclick = function() {
if(tw <= 8 && th <= 8) return;
tw = Math.floor(tw * 0.66);
th = Math.floor(th * 0.66);
if(tw < 8) tw = 8;
if(th < 8) th = 8;
lastzoom_tw = tw;
lastzoom_th = th;
initDivs();
render();
saveZoom();
};
var zoominButton = util.makeUIElement('button', menuRow2El, 1);
zoominButton.innerText = '+';
zoominButton.title = 'Zoom in';
zoominButton.onclick = function() {
if(tw >= 64 && th >= 64) return;
tw = Math.floor(tw * 1.5);
th = Math.floor(th * 1.5);
if(tw > 64) tw = 64;
if(th > 64) th = 64;
lastzoom_tw = tw;
lastzoom_th = th;
initDivs();
render();
saveZoom();
};
util.makeUISpacer(16, menuRow2El);
var muteButton = util.makeUIElement('button', menuRow2El, 3);
muteButton.innerText = muted ? 'unmute' : 'mute';
muteButton.title = 'Mute sound';
muteButton.onclick = function() {
if(muted) {
unmuteAudioContext(4);
muteButton.innerText = 'mute';
muted = false;
} else {
muteAudioContext(4);
muteButton.innerText = 'unmute';
muted = true;
}
};
util.makeUISpacer(16, menuRow2El);
changeDropdown = util.makeUIElement('select', menuRow2El);
changeDropdown.title = 'Perform simple edit operations while the circuit is running. Change the type of a gate, switch or LED. First click an option from this list, then the main cell of a device (e.g. the "a" of an AND gate).' +
' This is a very limited form of editing. It doesn\'t support creating or removing wire connections. It can only change a device that has one of the types in the list to another type in the list. On other devices it may either do nothing, or cause' +
' unexpected behavior. Changes in IC templates have no effect on instances. Changes are not saved. Use the full editor or import for more complete features intstead.';
changeDropdown.onchange = function() {
if(changeDropdown.selectedIndex == 0) return;
changeMode = changeDropdownElements[changeDropdown.selectedIndex - 1];
};
for(var i = -1; i < changeDropdownElements.length; i++) {
var text = (i == -1) ? '[change]' : changeDropdownElements[i][1];
var el = util.makeElement('option', changeDropdown);
el.innerText = text;
}
jackDropdown = util.makeUIElement('select', menuRow2El);
jackDropdown.title = 'Utilities for circuits with patch panel jacks. Only relevant if the circuit has jacks (J) that you can connect with patch cables.';
jackDropdown.onchange = function() {
if(jackDropdown.selectedIndex == 0) return;
if(jackDropdown.selectedIndex == 1) {
// clear jacks
var state = storepatchcablestate();
if(state.length > 0) jackstate0 = state;
removeallpatchcables();
updateJacks();
}
if(jackDropdown.selectedIndex == 2) {
// undo clear
var state = storepatchcablestate();
if(jackstate0.length > 0) restorepatchcablestate(jackstate0);
if(state.length > 0) jackstate0 = state;
updateJacks();
}
if(jackDropdown.selectedIndex == 3) {
if(jackstate1.length) jackstate4 = jackstate1;
jackstate1 = storepatchcablestate();
}
if(jackDropdown.selectedIndex == 4) {
if(jackstate3.length) jackstate4 = jackstate3;
jackstate2 = storepatchcablestate();
}
if(jackDropdown.selectedIndex == 5) {
if(jackstate3.length) jackstate4 = jackstate3;
jackstate3 = storepatchcablestate();
}
if(jackDropdown.selectedIndex == 6) {
var state = storepatchcablestate();
if(jackstate1.length > 0) restorepatchcablestate(jackstate1);
if(state.length > 0) jackstate0 = state;
updateJacks();
}
if(jackDropdown.selectedIndex == 7) {
var state = storepatchcablestate();
if(jackstate2.length > 0) restorepatchcablestate(jackstate2);
if(state.length > 0) jackstate0 = state;
updateJacks();
}
if(jackDropdown.selectedIndex == 8) {
var state = storepatchcablestate();
if(jackstate3.length > 0) restorepatchcablestate(jackstate3);
if(state.length > 0) jackstate0 = state;
updateJacks();
}
if(jackDropdown.selectedIndex == 9) {
var state = storepatchcablestate();
if(jackstate4.length > 0) restorepatchcablestate(jackstate4);
if(state.length > 0) jackstate0 = state;
updateJacks();
}
jackDropdown.selectedIndex = 0;
};
var jackDropdownElements = ['[patch panel]', 'clear jacks', 'undo clear/load', 'save to slot A', 'save to slot B', 'save to slot C', 'load slot A', 'load slot B', 'load slot C', 'recover overwritten'];
for(var i = 0; i < jackDropdownElements.length; i++) {
var el = util.makeElement('option', jackDropdown);
el.innerText = jackDropdownElements[i];
}
util.makeUISpacer(16, menuRow2El);
statsButton = util.makeUIElement('button', menuRow2El);
statsButton.innerText = 'stats';
statsButton.title = 'show circuit statistics and parameters. The estimated num transistors assumes NMOS logic, gives exact value when only using basic 2-input logic gates (AND, NAND, XOR, ...), but will use some arbitrary large amount of transistors per big built-in device (ALU, terminal emulator, ...)';
statsButton.onclick = function() {
if(dialogDiv) return;
dialogDiv = makeDialog(500, 500, getStatsText(), 'ok', function() {
dialogDiv = undefined;
});
};
circuitDropdownSpan = util.makeElement('span', menuRow1El);
var prevCircuitButton = util.makeUIElement('button', menuRow1El, 1);
prevCircuitButton.innerText = '<';
prevCircuitButton.title = 'Previous built-in circuit';
prevCircuitButton.onclick = function() {
for(;;) {
if(currentSelectedCircuit == 0) return;
currentSelectedCircuit--;
if(!allRegisteredCircuits[currentSelectedCircuit].istitle) break;
}
parseText(allRegisteredCircuits[currentSelectedCircuit].getText(),
allRegisteredCircuits[currentSelectedCircuit].title,
allRegisteredCircuits[currentSelectedCircuit]);
};
var nextCircuitButton = util.makeUIElement('button', menuRow1El, 1);
nextCircuitButton.innerText = '>';
nextCircuitButton.title = 'Next built-in circuit';
nextCircuitButton.onclick = function() {
for(;;) {
if(currentSelectedCircuit + 1 >= allRegisteredCircuits.length) return;
currentSelectedCircuit++;
if(!allRegisteredCircuits[currentSelectedCircuit].istitle) break;
}
parseText(allRegisteredCircuits[currentSelectedCircuit].getText(),
allRegisteredCircuits[currentSelectedCircuit].title,
allRegisteredCircuits[currentSelectedCircuit]);
};
var randomCircuitButton = util.makeUIElement('button', menuRow1El, 1);
randomCircuitButton.innerText = '?';
randomCircuitButton.title = 'Load a random built-in circuit';
randomCircuitButton.onclick = function() {
var i = Math.floor(Math.random() * allRegisteredCircuits.length);
while(allRegisteredCircuits[i].istitle) {
i = Math.floor(Math.random() * allRegisteredCircuits.length);
}
currentSelectedCircuit = i;
parseText(allRegisteredCircuits[currentSelectedCircuit].getText(),
allRegisteredCircuits[currentSelectedCircuit].title,
allRegisteredCircuits[currentSelectedCircuit]);
};
util.makeUISpacer(16, menuRow1El);
var importButton = util.makeUIElement('button', menuRow1El);
importButton.innerText = 'import';
importButton.title = 'Import a circuit from its ASCII diagram copypasted from elsewhere. Paste it into the field that appears and use the buttons to import or cancel. To export a circuit instead, use the "export" button (or "edit" to change it), or create your own circuit in a text editor (see the editing help).';
importButton.onclick = function() {
if(!editmode) {
var docwidth = /*document.body.clientWidth*/window.innerWidth - 24 - 80;
var docheight = /*document.body.clientHeight*/window.innerHeight - 100 - 8 - 80;
if(docwidth < 100) docwidth = 100;
if(docheight < 100) docheight = 100;
var fontsize = 10;
var ewidth = 60;
var eheight = 60;
overlay = makeDiv(0, 0, window.innerWidth, window.innerHeight);
overlay.style.backgroundColor = 'rgba(0, 0, 0, 0.75)';
overlay.style.position = 'fixed';
overlay.style.zIndex = '99';
var ew = Math.floor(docwidth * 0.7);
var eh = Math.floor(docheight * 0.7);
editdiv = makeDiv(0, 0, ew, eh);
editdiv.style.backgroundColor = '#bbb';
editdiv.style.position = 'fixed';
editdiv.style.top = '50%';
editdiv.style.left = '50%';
editdiv.style.transform = 'translate(-50%, -50%)';
editarea = util.makeAbsElement('textarea', 5, 5, ew - 15, eh - 45, editdiv);
editarea.rows = 40;
editarea.cols = 40;
editarea.value = '';
editarea.style.fontSize = fontsize + 'px';
editdiv.style.zIndex = '101';
editarea.focus();
util.makeInternalButton('import', editdiv, ew - 90, eh - 30, importButton.onclick);
util.makeInternalButton('cancel', editdiv, ew - 200, eh - 30, function() {
editModeCancelFun();
});
pause();
importButton.innerText = 'done';
editmode = true;
editModeCancelFun = function() {
util.removeElement(overlay);
document.body.removeChild(editdiv);
importButton.innerText = 'import';
editmode = false;
createMenuUI();
unpause();
};
editModeFinishFun = function() {
util.removeElement(overlay);
var newtext = editarea.value;
document.body.removeChild(editdiv);
importButton.innerText = 'import';
editmode = false;
createMenuUI();
if(newtext.length > 0) parseText(newtext, 'imported circuit', undefined, 1);
};
createEditorMenuUI(editModeCancelFun, editModeFinishFun);
overlay.onclick = editModeCancelFun;
} else {
editModeFinishFun();
}
};
var exportButton = util.makeUIElement('button', menuRow1El);
exportButton.innerText = 'export';
exportButton.title = 'Export circuit ASCII diagram, to easily store it elsewhere in text format or share. Note: an alternative but less good looking way is to share the URL, if it has a code (not if the circuit is too large; the actual circuit itself is encoded and compressed in the URL code, it is not stored anywhere)';
exportButton.onclick = function() {
if(!editmode) {
var docwidth = /*document.body.clientWidth*/window.innerWidth - 24 - 80;
var docheight = /*document.body.clientHeight*/window.innerHeight - 100 - 8 - 80;
if(docwidth < 100) docwidth = 100;
if(docheight < 100) docheight = 100;
var fontsize = 10;
var ewidth = 60;
var eheight = 60;
overlay = makeDiv(0, 0, window.innerWidth, window.innerHeight);
overlay.style.backgroundColor = 'rgba(0, 0, 0, 0.75)';
overlay.style.position = 'fixed';
overlay.style.zIndex = '99';
var ew = Math.floor(docwidth * 0.7);
var eh = Math.floor(docheight * 0.7);
editdiv = makeDiv(0, 0, ew, eh);
editdiv.style.backgroundColor = '#bbb';
editdiv.style.position = 'fixed';
editdiv.style.top = '50%';
editdiv.style.left = '50%';
editdiv.style.transform = 'translate(-50%, -50%)';
editdiv.style.zIndex = '101';
editarea = util.makeAbsElement('textarea', 5, 5, ew - 15, eh - 45, editdiv);
editarea.rows = 40;
editarea.cols = 40;
editarea.value = origtext;
editarea.style.fontSize = fontsize + 'px';
editarea.select();
editarea.focus();
util.makeInternalButton('done', editdiv, ew - 90, eh - 30, function() {
editModeCancelFun();
});