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cpu003.html
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<script src="https://dglittle.github.io/cdn/cpu003.js"></script>
<body style="margin:0px"></body>
<script>
var PALETTE_HEIGHT = 20
var view = {
x : -22,
y : 32,
scale : 2,
brush : 'wire',
play : true,
prev_x : 0,
prev_y : 0,
box : null
}
var model = cpu003
each(model.wires, function (w) {
w.charge = -1
w.version = 0
})
view.shocker = {"20,7":-1,"29,7":-1,"38,7":1,"47,7":1,"60,7":-1,"69,7":-1,"78,7":-1,"87,7":1,"100,7":-1,"109,7":-1,"118,7":-1,"127,7":1,"140,7":-1,"149,7":1,"158,7":-1,"167,7":-1,"20,65":-1,"29,65":1,"38,65":1,"47,65":1,"100,65":-1,"109,65":-1,"118,65":-1,"127,65":1,"140,65":-1,"149,65":-1,"158,65":-1,"167,65":1,"20,123":-1,"29,123":1,"38,123":1,"47,123":-1,"60,123":-1,"69,123":-1,"78,123":1,"87,123":1,"100,123":-1,"109,123":1,"118,123":1,"127,123":1,"140,123":-1,"149,123":1,"158,123":-1,"167,123":1,"20,181":-1,"29,181":-1,"38,181":1,"47,181":1,"60,181":-1,"69,181":-1,"78,181":-1,"87,181":1,"100,181":-1,"109,181":-1,"118,181":-1,"127,181":1,"140,181":-1,"149,181":1,"158,181":1,"167,181":1,"-142,9":0,"-133,9":0,"-124,9":0,"-115,9":0,"-102,9":0,"-93,9":0,"-84,9":0,"-75,9":0,"-102,47":0,"-93,47":0,"-84,47":0,"-75,47":0,"-72,-73":1,"-72,-64":1,"-72,-55":1,"-72,-46":1}
view.shocks = 50
function copy_view_box() {
var ret = { wires : {}, gates : {} }
for (var y = view.box[1]; y <= view.box[3]; y++) {
for (var x = view.box[0]; x <= view.box[2]; x++) {
var w = model.wires[x + ',' + y]
if (w) ret.wires[x + ',' + y] = w
var gate = model.gates[x + ',' + y]
if (gate) ret.gates[x + ',' + y] = gate
}
}
return ret
}
function delete_view_box(changes) {
var the_dead = copy_view_box()
each(the_dead.wires, function (w) {
delete model.wires[w.x + ',' + w.y]
changes.wires[w.x + ',' + w.y] = null
})
each(the_dead.gates, function (gate) {
delete model.gates[gate.x + ',' + gate.y]
changes.gates[gate.x + ',' + gate.y] = null
})
return the_dead
}
function draw_palette() {
var d = document.createElement('div')
d.style.width = '100%'
d.style.height = PALETTE_HEIGHT*2 + 'px'
key_capture_box = document.createElement('textarea')
key_capture_box.style.width = '20px'
key_capture_box.style.height = '19px'
key_capture_box.style.marginBottom = '-5px'
key_capture_box.addEventListener('keydown', function (e) {
if (view.brush == 'box' && e.keyCode == 8 && view.box && view.box.length == 4) {
// 8 = DELETE
var changes = { wires : {}, gates : {} }
delete_view_box(changes)
render()
} else if (view.brush == 'box' && e.keyCode == 72 && view.box && view.box.length == 4) {
// 72 = h
var changes = { wires : {}, gates : {} }
var the_dead = delete_view_box(changes)
each(the_dead.wires, function (w) {
var X = view.box[0] + (view.box[2] - view.box[0]) - (w.x - view.box[0])
var Y = w.y
changes.wires[X + ',' + Y] = model.wires[X + ',' + Y] = {
x : X,
y : Y,
charge : w.charge,
version : w.version
}
})
each(the_dead.gates, function (gate) {
var X = view.box[0] + (view.box[2] - view.box[0]) - (gate.x - view.box[0]) - (gate.type != 'cross_gate' ? 2 : 0)
var Y = gate.y
changes.gates[X + ',' + Y] = model.gates[X + ',' + Y] = {
x : X,
y : Y,
type : gate.type,
charge : gate.charge || -1
}
})
render()
} else if (view.brush == 'box' && e.keyCode == 86 && view.box && view.box.length == 4) {
// 86 = v
var changes = { wires : {}, gates : {} }
var the_dead = delete_view_box(changes)
each(the_dead.wires, function (w) {
var X = w.x
var Y = view.box[1] + (view.box[3] - view.box[1]) - (w.y - view.box[1])
changes.wires[X + ',' + Y] = model.wires[X + ',' + Y] = {
x : X,
y : Y,
charge : w.charge,
version : w.version
}
})
each(the_dead.gates, function (gate) {
var X = gate.x
var Y = view.box[1] + (view.box[3] - view.box[1]) - (gate.y - view.box[1]) - (gate.type != 'cross_gate' ? 2 : 0)
changes.gates[X + ',' + Y] = model.gates[X + ',' + Y] = {
x : X,
y : Y,
type : gate.type,
charge : gate.charge || -1
}
})
render()
} else if (view.brush == 'box' && e.keyCode == 70 && view.box && view.box.length == 4) {
// 70 = f
var changes = { wires : {}, gates : {} }
var the_dead = delete_view_box(changes)
each(the_dead.wires, function (w) {
var X = w.y - view.box[1] + view.box[0]
var Y = w.x - view.box[0] + view.box[1]
changes.wires[X + ',' + Y] = model.wires[X + ',' + Y] = {
x : X,
y : Y,
charge : w.charge,
version : w.version
}
})
each(the_dead.gates, function (gate) {
var X = gate.y - view.box[1] + view.box[0]
var Y = gate.x - view.box[0] + view.box[1]
changes.gates[X + ',' + Y] = model.gates[X + ',' + Y] = {
x : X,
y : Y,
type : gate.type,
charge : gate.charge || -1
}
})
view.box = [view.box[0], view.box[1], view.box[3] - view.box[1] + view.box[0], view.box[2] - view.box[0] + view.box[1]]
render()
}
})
d.append(key_capture_box)
function create_button(text, onclick) {
var b = document.createElement('button')
b.style.width = PALETTE_HEIGHT*2 + 'px'
b.style.height = PALETTE_HEIGHT + 'px'
b.textContent = text
b.onclick = onclick
d.append(b)
return b
}
create_button('+', function () {
view.scale *= 2
zoom_thing.value = view.scale
render()
})
function create_zoom_thing() {
var b = document.createElement('input')
b.style.width = 30 + 'px'
b.value = view.scale
b.oninput = function () {
view.scale = 1*b.value
render()
}
d.append(b)
return b
}
var zoom_thing = create_zoom_thing()
create_button('-', function () {
view.scale = Math.floor(view.scale/2)
zoom_thing.value = view.scale
render()
})
function create_location_viewer() {
var b = document.createElement('input')
b.style.width = 50 + 'px'
b.value = 'x,y'
d.append(b)
return b
}
location_viewer = create_location_viewer()
create_button('stop', function () {
view.play = !view.play
this.textContent = view.play ? 'stop' : 'play'
render()
})
create_button('set', function () {
var j = prompt('give me some JSON:')
if (j) {
model = JSON.parse(j)
db.child(view.path + '/' + view.filename).set(model)
}
render()
})
create_button('get', function () {
key_capture_box.value = JSON.stringify(model)
key_capture_box.focus()
key_capture_box.setSelectionRange(0, key_capture_box.value.length)
})
create_button('reset', function () {
each(model.wires, function (w) {
w.charge = -1
w.version = 0
})
render()
})
create_button('shock', function () {
var s = prompt('give me some jsOn!?!:')
if (s) {
view.shocker = JSON.parse(s)
view.shocks = (view.shocks || 0) + 50
}
})
create_button('check', function () {
var found = false
each(model.wires, function (w) {
var x = w.x
var y = w.y
for (var dx = 0; dx >= -2; dx--) {
for (var dy = 0; dy >= -2; dy--) {
var gate = model.gates[(x + dx) + ',' + (y + dy)]
if (gate && (gate.type != 'cross_gate' || (dx == 0 && dy == 0))) {
console.log('found at: ' + (x + dx) + ',' + (y + dy))
found = true
}
}
}
if (model.wires[(x + 1) + ',' + (y + 0)] &&
model.wires[(x + 0) + ',' + (y + 1)] &&
model.wires[(x - 1) + ',' + (y + 0)] &&
model.wires[(x + 0) + ',' + (y - 1)]) {
console.log('found cross-roads at: ' + (x) + ',' + (y))
found = true
}
})
each(model.gates, function (gate) {
var x = gate.x
var y = gate.y
for (var dx = 0; dx >= -2; dx--) {
for (var dy = 0; dy >= -2; dy--) {
if (dx == 0 && dy == 0) continue
var other_gate = model.gates[(x + dx) + ',' + (y + dy)]
if (other_gate && (other_gate.type != 'cross_gate')) {
console.log('found at: ' + (x + dx) + ',' + (y + dy))
found = true
}
}
}
})
alert('found = ' + found)
})
// radio buttons
var radio_buttons = []
function create_radio_button(text, brush, cb) {
var b = create_button(text, function () {
view.brush = brush
if (cb) cb()
each(radio_buttons, function (x) { x.style.background = 'grey' })
this.style.background = 'gold'
})
radio_buttons.push(b)
b.onclick()
}
create_radio_button('WIRE', 'wire')
create_radio_button('CROSS', 'cross_gate')
create_radio_button('OR', 'or_gate')
create_radio_button('AND', 'and_gate')
create_radio_button('NAND', 'nand_gate')
create_radio_button('TOGGLE', 'toggle')
create_radio_button('delete', 'delete')
create_radio_button('box', 'box', function () {
key_capture_box.focus()
})
return d
}
document.body.append(draw_palette())
var c = document.createElement('canvas')
c.width = window.innerWidth
c.height = window.innerHeight - PALETTE_HEIGHT*2
var g = c.getContext('2d')
document.body.append(c)
var wave_front = {}
function propagate() {
var changes = {}
each(wave_front, function (w, key) {
w = model.wires[key]
if (!w) { return }
each([
model.wires[w.x + ',' + (w.y - 1)],
model.wires[(w.x + 1) + ',' + w.y ],
model.wires[w.x + ',' + (w.y + 1)],
model.wires[(w.x - 1) + ',' + w.y ]
], function (_) {
if (!_) { return }
var _key = _.x + ',' + _.y
each([
model.wires[_.x + ',' + (_.y - 1)],
model.wires[(_.x + 1) + ',' + _.y ],
model.wires[_.x + ',' + (_.y + 1)],
model.wires[(_.x - 1) + ',' + _.y ]
], function (__) {
if (__ && __.version > _.version) {
if (!changes[_key] || __.version > changes[_key].version) {
changes[_key] = {
charge : __.charge,
version : __.version
}
}
}
})
})
})
each(model.gates, function (_) {
if (_.type == 'cross_gate') {
var ks = [
_.x + ',' + (_.y - 1),
(_.x + 1) + ',' + _.y ,
_.x + ',' + (_.y + 1),
(_.x - 1) + ',' + _.y
]
var ws = [
model.wires[ks[0]],
model.wires[ks[1]],
model.wires[ks[2]],
model.wires[ks[3]]
]
each([
[0, 2],
[2, 0],
[1, 3],
[3, 1]
], function (__) {
var i = __[0]
var ii = __[1]
if (ws[i] && ws[ii]) {
if (ws[i].version > ws[ii].version) {
if (!changes[ks[ii]] || ws[i].version > changes[ks[ii]].version) {
changes[ks[ii]] = {
charge : ws[i].charge,
version : ws[i].version
}
}
}
}
})
} else {
var high_count = 0
var low_count = 0
each([
model.wires[(_.x + 0) + ',' + (_.y - 1)],
model.wires[(_.x + 2) + ',' + (_.y - 1)],
model.wires[(_.x + 3) + ',' + (_.y + 0)],
model.wires[(_.x + 3) + ',' + (_.y + 2)],
model.wires[(_.x + 0) + ',' + (_.y + 3)],
model.wires[(_.x + 2) + ',' + (_.y + 3)],
model.wires[(_.x - 1) + ',' + (_.y + 0)],
model.wires[(_.x - 1) + ',' + (_.y + 2)]
], function (__) {
if (__) {
if (__.charge > 0) high_count++
else low_count++
}
})
var output = -1
if (_.type == 'or_gate' && high_count > 0)
output = 1
if (_.type == 'and_gate' && low_count == 0)
output = 1
if (_.type == 'nand_gate' && low_count != 0)
output = 1
if (_.type == 'toggle')
output = _.charge
each([
model.wires[(_.x + 1) + ',' + (_.y - 1)],
model.wires[(_.x + 3) + ',' + (_.y + 1)],
model.wires[(_.x + 1) + ',' + (_.y + 3)],
model.wires[(_.x - 1) + ',' + (_.y + 1)]
], function (__) {
if (__ && __.charge != output) {
model.version++
changes[__.x + ',' + __.y] = {
charge : output,
version : model.version
}
}
})
}
})
if (view.shocks) {
view.shocks--
each(view.shocker, function (charge, key) {
model.version++
changes[key] = {
charge : charge,
version : model.version
}
})
}
each(changes, function (_, key) {
model.wires[key].version = _.version
model.wires[key].charge = _.charge
})
wave_front = changes
}
function render() {
g.setTransform(1, 0, 0, 1, 0, 0)
g.fillStyle = 'rgba(0, 200, 0, 1)'
g.fillRect(0, 0, c.width, c.height)
g.setTransform(view.scale, 0, 0, view.scale,
Math.floor(c.width/2) - view.x*view.scale,
Math.floor(c.height/2) - view.y*view.scale)
var x_tiles = c.width / view.scale + 1
var y_tiles = c.height / view.scale + 1
var x_first_tile = Math.floor(view.x - c.width/2/view.scale)
var y_first_tile = Math.floor(view.y - c.height/2/view.scale)
g.beginPath()
for (var y = y_first_tile; y < y_first_tile + y_tiles; y++) {
g.moveTo(x_first_tile, y + 0.5/view.scale)
g.lineTo(x_first_tile + x_tiles, y + 0.5/view.scale)
}
for (var x = x_first_tile; x < x_first_tile + x_tiles; x++) {
g.moveTo(x + 0.5/view.scale, y_first_tile)
g.lineTo(x + 0.5/view.scale, y_first_tile + y_tiles)
}
g.strokeStyle = 'black'
g.lineWidth = 1/view.scale
g.stroke()
each(model.wires, function (_) {
g.fillStyle = _.charge > 0 ? 'rgb(255,255,0)' : 'rgb(100, 100, 0)'
g.fillRect(_.x, _.y, 1, 1)
})
each(model.gates, function (_) {
if (_.type == 'cross_gate') {
g.fillStyle = 'rgba(0, 0, 0, 1)'
g.fillRect(_.x, _.y, 1, 1)
} else {
g.fillStyle =
(_.type == 'or_gate') ? 'orange' :
(_.type == 'and_gate') ? 'blue' :
(_.type == 'nand_gate') ? 'magenta' :
// (_.type == 'or_gate') ? 'rgb(255,128,128)' :
// (_.type == 'and_gate') ? 'rgb(128,255,255)' :
// (_.type == 'nand_gate') ? 'rgb(128,128,255)' :
(_.type == 'toggle') ?
(_.charge > 0 ? 'cyan' : 'rgb(0, 128, 128)') :
'red'
g.fillRect(_.x, _.y, 3, 3)
}
})
if (view.brush == 'box' && view.box) {
g.fillStyle = 'rgba(255,0,0,0.6)'
if (view.box.length == 2)
g.fillRect(view.box[0], view.box[1], 1, 1)
else
g.fillRect(view.box[0], view.box[1], view.box[2] - view.box[0] + 1, view.box[3] - view.box[1] + 1)
}
}
var t_sum = 0
var t_count = 0
var t2_sum = 0
var t2_count = 0
function loop() {
if (view.play) {
var t0 = Date.now()
propagate()
propagate()
propagate()
var t1 = Date.now()
t_sum += t1 - t0
t_count += 1
//console.log('time: ' + (t_sum / t_count))
var t0 = Date.now()
render()
var t1 = Date.now()
t2_sum += t1 - t0
t2_count += 1
//console.log('time2: ' + (t2_sum / t2_count))
}
setTimeout(loop, 20)
}
loop()
c.onmousemove = function (e) {
var pos = getRelPos(c, e)
var x = Math.floor((pos.x - c.width/2) / view.scale + view.x)
var y = Math.floor((pos.y - c.height/2) / view.scale + view.y)
location_viewer.value = x + ',' + y
}
c.onmousedown = function (e) {
e.preventDefault()
var old_pos = getRelPos(c, e)
var moved = false
var oldMove = document.onmousemove
document.onmousemove = function (e) {
var new_pos = getRelPos(c, e)
moved = true
view.x -= (new_pos.x - old_pos.x) / view.scale
view.y -= (new_pos.y - old_pos.y) / view.scale
render()
old_pos = new_pos
}
var oldUp = document.onmouseup
document.onmouseup = function (e) {
document.onmousemove = oldMove
document.onmouseup = oldUp
if (!moved) {
var new_pos = getRelPos(c, e)
var x = Math.floor((new_pos.x - c.width/2) / view.scale + view.x)
var y = Math.floor((new_pos.y - c.height/2) / view.scale + view.y)
var key = x + ',' + y
var changes = { wires : {}, gates : {} }
var clicked_gate = null
for (var dx = 0; dx >= -2; dx--) {
for (var dy = 0; dy >= -2; dy--) {
var gate = model.gates[(x + dx) + ',' + (y + dy)]
if (gate && (gate.type != 'cross_gate' || (dx == 0 && dy == 0))) clicked_gate = gate
}
}
if (view.brush == 'box') {
console.log('x = ' + x + ', y = ' + y)
if (e.shiftKey && view.box && view.box.length == 4) {
if (e.metaKey) {
var the_dead = delete_view_box(changes)
each(the_dead.wires, function (w) {
var X = w.x - view.box[0] + x
var Y = w.y - view.box[1] + y
changes.wires[X + ',' + Y] = model.wires[X + ',' + Y] = {
x : X,
y : Y,
charge : w.charge,
version : w.version
}
})
each(the_dead.gates, function (gate) {
var X = gate.x - view.box[0] + x
var Y = gate.y - view.box[1] + y
changes.gates[X + ',' + Y] = model.gates[X + ',' + Y] = {
x : X,
y : Y,
type : gate.type,
charge : gate.charge
}
})
view.box = [x, y, view.box[2] - view.box[0] + x, view.box[3] - view.box[1] + y]
view.copy = copy_view_box()
} else {
each(view.copy.wires, function (w) {
var X = w.x - view.box[0] + x
var Y = w.y - view.box[1] + y
changes.wires[X + ',' + Y] = model.wires[X + ',' + Y] = {
x : X,
y : Y,
charge : w.charge,
version : w.version
}
})
each(view.copy.gates, function (gate) {
var X = gate.x - view.box[0] + x
var Y = gate.y - view.box[1] + y
changes.gates[X + ',' + Y] = model.gates[X + ',' + Y] = {
x : X,
y : Y,
type : gate.type,
charge : gate.charge || -1
}
})
}
} else {
if (!view.box || view.box.length == 4) {
view.box = [x, y]
} else {
view.box = [
Math.min(view.box[0], x),
Math.min(view.box[1], y),
Math.max(view.box[0], x),
Math.max(view.box[1], y)
]
view.copy = copy_view_box()
}
}
} else if (view.brush == 'delete') {
if (e.shiftKey) {
function delete_wires_at(x, y) {
var key = x + ',' + y
var w = model.wires[key]
if (w) {
delete model.wires[key]
changes.wires[key] = null
}
var gate = model.gates[key]
if (gate) {
if (gate.type == 'cross_gate') {
changes.wires[key] = model.wires[key] = {
x : x,
y : y,
charge : -1,
version : 0
}
}
delete model.gates[key]
changes.gates[key] = null
}
}
var dx = x - view.prev_x
var dy = y - view.prev_y
if (Math.abs(dx) > Math.abs(dy)) {
if (dx > 0)
for (var i = view.prev_x; i <= x; i++)
delete_wires_at(i, view.prev_y)
else
for (var i = x; i <= view.prev_x; i++)
delete_wires_at(i, view.prev_y)
} else {
if (dy > 0)
for (var i = view.prev_y; i <= y; i++)
delete_wires_at(view.prev_x, i)
else
for (var i = y; i <= view.prev_y; i++)
delete_wires_at(view.prev_x, i)
}
} else {
delete model.wires[key]
changes.wires[key] = null
delete model.gates[key]
changes.gates[key] = null
if (clicked_gate) {
delete model.gates[clicked_gate.x + ',' + clicked_gate.y]
changes.gates[clicked_gate.x + ',' + clicked_gate.y] = null
}
}
} else if (clicked_gate && clicked_gate.type == 'toggle') {
clicked_gate.charge *= -1
changes.gates[clicked_gate.x + ',' + clicked_gate.y] = clicked_gate
} else if (view.brush == 'wire') {
function add_wire(x, y, direction) {
if (direction == 'horz') {
if (model.wires[x + ',' + y] &&
model.wires[x + ',' + (y - 1)] &&
model.wires[x + ',' + (y + 1)]) {
delete model.wires[x + ',' + y]
changes.wires[x + ',' + y] = null
changes.gates[x + ',' + y] = model.gates[x + ',' + y] = {
x : x,
y : y,
type : 'cross_gate',
charge : -1
}
return
}
}
if (direction == 'vert') {
if (model.wires[x + ',' + y] &&
model.wires[(x - 1) + ',' + y] &&
model.wires[(x + 1) + ',' + y]) {
delete model.wires[x + ',' + y]
changes.wires[x + ',' + y] = null
changes.gates[x + ',' + y] = model.gates[x + ',' + y] = {
x : x,
y : y,
type : 'cross_gate',
charge : -1
}
return
}
}
changes.wires[x + ',' + y] = model.wires[x + ',' + y] = {
x : x,
y : y,
charge : -1,
version : 0
}
}
if (e.shiftKey) {
var dx = x - view.prev_x
var dy = y - view.prev_y
if (Math.abs(dx) > Math.abs(dy)) {
if (dx > 0) {
for (var i = view.prev_x; i <= x; i++)
add_wire(i, view.prev_y, 'horz')
} else {
for (var i = x; i <= view.prev_x; i++)
add_wire(i, view.prev_y, 'horz')
}
} else {
if (dy > 0) {
for (var i = view.prev_y; i <= y; i++)
add_wire(view.prev_x, i, 'vert')
} else {
for (var i = y; i <= view.prev_y; i++)
add_wire(view.prev_x, i, 'vert')
}
}
} else {
add_wire(x, y)
}
} else {
delete model.wires[key]
changes.wires[key] = null
changes.gates[key] = model.gates[key] = {
x : x,
y : y,
type : view.brush,
charge : -1
}
}
view.prev_x = x
view.prev_y = y
render()
}
}
}
function getPos(e) {
var x = 0, y = 0
while (e != null) {
x += e.offsetLeft
y += e.offsetTop
e = e.offsetParent
}
return {x : x, y : y}
}
function getRelPos(to, positionedObject) {
var pos = getPos(to)
return {
x : positionedObject.pageX - pos.x,
y : positionedObject.pageY - pos.y
}
}
function each(o, cb) {
if (o instanceof Array) {
for (var i = 0; i < o.length; i++) {
if (cb(o[i], i, o) == false)
return false
}
} else {
for (var k in o) {
if (o.hasOwnProperty(k)) {
if (cb(o[k], k, o) == false)
return false
}
}
}
return true
}
</script>