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Added LED support to VT100 keyboard

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This commit is contained in:
Jeff Parsons 2016-08-02 14:44:31 -07:00 • committed by Jeff Parsons
commit 999828da4e
4 changed files with 640 additions and 409 deletions
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59
devices/pc8080/machine/vt100/README.md
View file

@ -14,10 +14,15 @@ VT100 Terminal
This is where we'll be testing another 8080-based machine: the VT100 Terminal. Unlike other VT100 emulations,
this will simulate a VT100 by running the terminal's original firmware inside the [PC8080](/modules/pc8080/) CPU emulator.
{% include machine.html id="vt100" %}
VT100 Memory Usage
------------------
As described in the [Technical Manual (July 1982)](http://bitsavers.informatik.uni-stuttgart.de/pdf/dec/terminal/vt100/EK-VT100-TM-003_VT100_Technical_Manual_Jul82.pdf),
p. 4-15, 8Kb (0x2000) of ROM is located at 0x0000, and 3Kb (0x0C00) of RAM immediately follows it at 0x2000. The ROM at
0x0000 contains all the VT100's 8080 code. The VT100 also contains a 2Kb character generator ROM, but it is not
mapped into the 8080's address space.
0x0000 contains all the VT100's 8080 code. The VT100 also contains a 2Kb character generator ROM, but that ROM is not
addressable by the CPU; it is used directly by the Video Processor.
[vt100romhax](http://vt100romhax.tumblr.com/post/90697428973/the-vt100-memory-map-and-8080-disassembly)
(aka [phooky](https://github.com/phooky)) further explains VT100 memory usage:
@ -29,18 +34,47 @@ mapped into the 8080's address space.
0x204f 0x22d0 641B Scratch Pad/Setup Area(?)
0x22d0 0x2c00 2352B Screen RAM
VT100 I/O Ports
---------------
From p. 4-17 of the Technical Manual:
READ OR WRITE
00H PUSART data bus
01H PUSART command port
WRITE ONLY (Decoded with I/O WR L)
02H Baud rate generator
42H Brightness D/A latch
62H NVR latch
82H Keyboard UART data input
A2H Video processor DC012
C2H Video processor DC011
E2H Graphics port
READ ONLY (Decoded with I/O RD L)
22H Modem buffer
42H Flags buffer
82H Keyboard UART data output
The PC8080 ChipSet component deals with the ER1400's Non-volatile RAM (NVR) ports, while the Keyboard component
deals with the Keyboard UART ports.
VT100 Video Processor
---------------------
Normally, the PC8080 Video component allocates its own video buffer, based on the specified buffer address
(*bufferAddr*) and other dimensions (eg, *bufferCols* and *bufferRows*), but the VT100 is a little unusual:
it has a custom Video Processor that uses DMA to request character data from any region of RAM, one line at a time.
It always defaults to address 0x2000 for the first line of character data, but each line terminates with 3 bytes
containing line attributes and the address of the next line, so the location of subsequent lines will vary,
depending on the following line attributes:
containing the attributes and address of the next line, so the location of subsequent lines will vary, depending
on the type of line:
- Single-width characters (80 or 132 columns)
- Double-width characters (40 or 66 columns)
- Single-wide characters (80 or 132 columns)
- Double-wide characters (40 or 66 columns)
In addition to single-width vs. double-width, line attributes can also specify double-height, along with whether the
top or bottom halves of the double-high characters should be displayed. Also, double-high always implies double-wide
In addition to single-wide vs. double-wide, line attributes can also specify double-high, along with whether the
top or bottom halves of the double-high characters should be displayed, because double-high always implies double-wide
(ie, there is no support for double-high, single-wide characters).
Conssequently, a VT100 [machine XML file](machine.xml) must set the Video component's *bufferRAM* property
@ -50,6 +84,9 @@ enabling support for the VT100's line data format; eg:
<ram id="ram" addr="0x2000" size="0x0C00"/>
<video id="video" screenWidth="1600" screenHeight="960" bufferAddr="0x2000" bufferRAM="true" bufferFormat="vt100" bufferCols="80" bufferRows="24" ...>
VT100 Screen and Character Dimensions
-------------------------------------
Ordinarily, the VT100 screen displays 800 dots per horizontal scan, and a total of 240 horizontal scans, and by default,
it uses a 10x10 character cell, for a total of 80 columns and 24 rows of characters. However, in 132-column mode, it
uses a 9x10 character cell instead, implying a total of 1188 dots displayed per horizontal scan. This means we will have
@ -64,9 +101,7 @@ measure 2.0mm x 3.35mm (in 132-column mode, they measure 1.3mm x 3.35mm), which
roughly 160mm x 80mm, implying a screen aspect ratio of 2.0. However, after visually comparing the Technical Manual's SET-UP
screenshots to our test screens, 1.67 appears to be closer to reality than 2.0. I'll revisit this issue at a later date.
{% include machine.html id="vt100" %}
VT100 Resources
---------------
Additional VT100 Resources
--------------------------
[VT100 Publications](/pubs/dec/vt100/)

304
modules/pc8080/lib/keyboard.js
View file

@ -57,6 +57,20 @@ function Keyboard(parmsKbd)
Component.subclass(Keyboard);
Keyboard.VT100 = {
STATUS: {
PORT: 0x82, // write-only
LED4: 0x01,
LED3: 0x02,
LED2: 0x04,
LED1: 0x08,
LOCKED: 0x10,
ONLINE: 0x20,
START: 0x40,
CLICK: 0x80
}
};
/**
* Alphanumeric and other common (printable) ASCII codes.
*
@ -234,6 +248,8 @@ Keyboard.SOFTCODES = {
'fire': Keyboard.KEYCODE.SPACE
};
Keyboard.MINPRESSTIME = 100; // 100ms
/**
* Alternate keyCode mappings (to support the popular WASD directional mappings)
*
@ -246,44 +262,13 @@ Keyboard.ALTCODES[Keyboard.ASCII.D] = Keyboard.KEYCODE.RIGHT;
Keyboard.ALTCODES[Keyboard.ASCII.L] = Keyboard.KEYCODE.SPACE;
Keyboard.LEDSTATES = {
'l1': 0x01,
'l2': 0x02,
'l3': 0x04,
'l4': 0x08,
'locked': 0x10,
'local': 0x20,
'online': 0x40
};
/**
* getSoftCode(keyCode)
*
* @this {Keyboard}
* @return {string|null}
*/
Keyboard.prototype.getSoftCode = function(keyCode)
{
keyCode = Keyboard.ALTCODES[keyCode] || keyCode;
for (var sSoftCode in Keyboard.SOFTCODES) {
if (Keyboard.SOFTCODES[sSoftCode] === keyCode) {
return sSoftCode;
}
}
return null;
};
/**
* reset()
*
* @this {Keyboard}
*/
Keyboard.prototype.reset = function()
{
/*
* As SOFTCODE keyDown events are encountered, a corresponding property is set to true in
* keysPressed, and as SOFTCODE keyUp events are encountered, the property is set to false.
*/
this.keysPressed = {};
'l4': Keyboard.VT100.STATUS.LED4,
'l3': Keyboard.VT100.STATUS.LED3,
'l2': Keyboard.VT100.STATUS.LED2,
'l1': Keyboard.VT100.STATUS.LED1,
'locked': Keyboard.VT100.STATUS.LOCKED,
'online': Keyboard.VT100.STATUS.ONLINE,
'local': ~Keyboard.VT100.STATUS.ONLINE
};
/**
@ -372,6 +357,138 @@ Keyboard.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
return false;
};
/**
* initBus(cmp, bus, cpu, dbg)
*
* @this {Keyboard}
* @param {Computer} cmp
* @param {Bus} bus
* @param {CPUState} cpu
* @param {Debugger} dbg
*/
Keyboard.prototype.initBus = function(cmp, bus, cpu, dbg)
{
this.dbg = dbg; // NOTE: The "dbg" property must be set for the message functions to work
this.chipset = cmp.getMachineComponent("ChipSet");
this.model = this.chipset.model;
switch(this.model) {
case ChipSet.VT100.MODEL:
this.config = Keyboard.VT100;
break;
}
if (this.config) {
bus.addPortInputTable(this, this.config.portsInput);
bus.addPortOutputTable(this, this.config.portsOutput);
}
};
/**
* powerUp(data, fRepower)
*
* @this {Keyboard}
* @param {Object|null} data
* @param {boolean} [fRepower]
* @return {boolean} true if successful, false if failure
*/
Keyboard.prototype.powerUp = function(data, fRepower)
{
if (!fRepower) {
if (!data) {
this.reset();
} else {
if (!this.restore(data)) return false;
}
}
return true;
};
/**
* powerDown(fSave, fShutdown)
*
* @this {Keyboard}
* @param {boolean} [fSave]
* @param {boolean} [fShutdown]
* @return {Object|boolean} component state if fSave; otherwise, true if successful, false if failure
*/
Keyboard.prototype.powerDown = function(fSave, fShutdown)
{
return fSave? this.save() : true;
};
Keyboard.VT100.init = [
[
0
]
];
/**
* reset()
*
* @this {Keyboard}
*/
Keyboard.prototype.reset = function()
{
/*
* As keyDown events are encountered, a corresponding "softcode" property in keysPressed
* is set to the timestamp of the keyDown event. When the corresponding keyUp event occurs,
* we look at the elapsed time: if it is less than MINPRESSTIME, then we move the key
* to keysToRelease and set a timeout handler to release the key later; otherwise, we process
* the keyUp event immediately.
*/
this.keysPressed = {};
this.keysToRelease = {};
if (this.config && !this.restore(this.config.init)) {
this.notice("reset error");
}
};
/**
* save()
*
* This implements save support for the Keyboard component.
*
* @this {Keyboard}
* @return {Object}
*/
Keyboard.prototype.save = function()
{
var state = new State(this);
switch(this.model) {
case ChipSet.SI1978.MODEL:
break;
case ChipSet.VT100.MODEL:
state.set(0, [this.bLEDs]);
break;
}
return state.data();
};
/**
* restore(data)
*
* This implements restore support for the Keyboard component.
*
* @this {Keyboard}
* @param {Object} data
* @return {boolean} true if successful, false if failure
*/
Keyboard.prototype.restore = function(data)
{
var a;
if (data && (a = data[0]) && a.length) {
switch(this.model) {
case ChipSet.SI1978.MODEL:
return true;
case ChipSet.VT100.MODEL:
this.bLEDs = a[0];
this.updateLEDs();
return true;
}
}
return false;
};
/**
* setLED(control, f)
*
@ -388,36 +505,41 @@ Keyboard.prototype.setLED = function(control, f)
};
/**
* updateLEDs(bitState)
* updateLEDs()
*
* @this {Keyboard}
* @param {number} [bitState] is the bit in bitsStateSim that may have changed, if known; undefined if not
*/
Keyboard.prototype.updateLEDs = function(bitState)
Keyboard.prototype.updateLEDs = function()
{
var control;
for (var sBinding in Keyboard.LEDSTATES) {
var id = "led-" + sBinding;
var bitLED = Keyboard.LEDSTATES[sBinding];
if ((!bitState || bitState == bitLED) && (control = this.bindings[id])) {
this.setLED(control, !!bitLED); // !!(this.bKeyboardState & bitLED)
var control = this.bindings[id];
if (control) {
var bitLED = Keyboard.LEDSTATES[sBinding];
var fOn = !!(this.bLEDs & bitLED);
if (bitLED & (bitLED-1)) {
fOn = !(this.bLEDs & ~bitLED);
}
this.setLED(control, fOn);
}
}
};
/**
* initBus(cmp, bus, cpu, dbg)
* getSoftCode(keyCode)
*
* @this {Keyboard}
* @param {Computer} cmp
* @param {Bus} bus
* @param {CPUState} cpu
* @param {Debugger} dbg
* @return {string|null}
*/
Keyboard.prototype.initBus = function(cmp, bus, cpu, dbg)
Keyboard.prototype.getSoftCode = function(keyCode)
{
this.dbg = dbg; // NOTE: The "dbg" property must be set for the message functions to work
this.chipset = cmp.getMachineComponent("ChipSet");
keyCode = Keyboard.ALTCODES[keyCode] || keyCode;
for (var sSoftCode in Keyboard.SOFTCODES) {
if (Keyboard.SOFTCODES[sSoftCode] === keyCode) {
return sSoftCode;
}
}
return null;
};
/**
@ -425,7 +547,7 @@ Keyboard.prototype.initBus = function(cmp, bus, cpu, dbg)
*
* @this {Keyboard}
* @param {Object} event
* @param {boolean} fDown is true for a keyDown event, false for a keyUp event
* @param {boolean} fDown is true for a keyDown event, false for up
* @return {boolean} true to pass the event along, false to consume it
*/
Keyboard.prototype.onKeyDown = function(event, fDown)
@ -454,12 +576,27 @@ Keyboard.prototype.onKeyDown = function(event, fDown)
*
* @this {Keyboard}
* @param {string} sSoftCode
* @param {boolean} fDown is true for a down event, false for an up event
* @param {boolean} fDown is true for a down event, false for up
* @return {boolean} true to pass the event along, false to consume it
*/
Keyboard.prototype.onSoftKeyDown = function(sSoftCode, fDown)
{
this.keysPressed[sSoftCode] = fDown;
if (fDown) {
this.keysPressed[sSoftCode] = Date.now();
delete this.keysToRelease[sSoftCode];
} else {
var msDown = this.keysPressed[sSoftCode];
this.assert(msDown);
if (msDown) {
var msElapsed = Date.now() - msDown;
if (msElapsed < Keyboard.MINPRESSTIME) {
this.keysToRelease[sSoftCode] = msDown;
this.checkSoftKeysToRelease();
return true;
}
}
delete this.keysPressed[sSoftCode];
}
if (this.chipset) {
switch(sSoftCode) {
@ -488,7 +625,60 @@ Keyboard.prototype.onSoftKeyDown = function(sSoftCode, fDown)
break;
}
}
return false;
return true;
};
/**
* checkSoftKeysToRelease()
*
* @this {Keyboard}
*/
Keyboard.prototype.checkSoftKeysToRelease = function()
{
var msDelayMin = -1;
var asSoftCodes = Object.keys(this.keysToRelease);
for (var sSoftCode in asSoftCodes) {
var msDown = this.keysToRelease[sSoftCode];
var msElapsed = Date.now() - msDown;
var msDelay = Keyboard.MINPRESSTIME - msElapsed;
if (msDelay > 0) {
if (msDelayMin < 0 || msDelayMin > msDelay) {
msDelayMin = msDelay;
}
} else {
delete this.keysToRelease[sSoftCode];
this.onSoftKeyDown(sSoftCode, false);
}
}
if (msDelayMin >= 0) {
var kbd = this;
setTimeout(function() { kbd.checkSoftKeysToRelease(); }, msDelayMin);
}
};
/**
* outVT100UARTStatus(port, b, addrFrom)
*
* @this {Keyboard}
* @param {number} port (0x82)
* @param {number} b
* @param {number} [addrFrom] (not defined if the Debugger is trying to write the specified port)
*/
Keyboard.prototype.outVT100UARTStatus = function(port, b, addrFrom)
{
this.printMessageIO(port, b, addrFrom, "KBDUART.STATUS", null, true);
this.bLEDs = b;
this.updateLEDs();
};
/*
* Port notification tables
*/
Keyboard.VT100.portsInput = {
};
Keyboard.VT100.portsOutput = {
0x82: Keyboard.prototype.outVT100UARTStatus
};
/**

413
versions/pc8080/1.23.3/pc8080-dbg.js
View file

@ -1,224 +1,227 @@
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function(){Rc(this)||(G(this,O(this)),this.b-=6);this.b-=5},function(){var a=O(this);Ec(this,a&255|this.ta&-256);this.j=a>>8;this.b-=10},function(){var a=N(this);Rc(this)||G(this,a);this.b-=10},function(){this.ta&=-513;this.b-=4},function(){var a=N(this);Rc(this)||(Q(this,this.M),G(this,a),this.b-=6);this.b-=11},function(){Q(this,Gc(this)&255|this.j<<8);this.b-=11},function(){this.j=Xc(this,M(this));this.b-=7},function(){Q(this,this.M);G(this,48);this.b-=11},function(){Rc(this)&&(G(this,O(this)),
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function S(a){z.call(this,"ChipSet",a,S,32768);var b=a.model;b&&!xd[b]&&w("Unrecognized ChipSet model: "+b);this.w=xd[b]||U;this.fb=this.w.Ma;a.sound&&(this.I=null,window&&(this.I=window.AudioContext||window.webkitAudioContext),this.I&&new this.I);D(this)}Wa(S);
var U={Ma:1978.1,tc:{Ia:0,Wc:1,$c:16,fd:32,od:64,nd:128,pb:14},Na:{Ia:1,nc:1,sc:2,oc:4,pc:16,qc:32,rc:64,pb:8},uc:{Ia:2,Vc:3,vd:4,Xc:8,jd:16,kd:32,ld:64,Yc:128,pb:0},rd:{Ia:3},pd:{Ia:2,gd:7},td:{Ia:3,wd:1,sd:2,md:4,ed:8,Zc:16,Tc:32},qd:{Ia:4},ud:{Ia:5,ad:1,bd:2,cd:4,dd:8,xd:16}},yd={Ma:100,Uc:{Ia:66},hd:{Ia:98}},xd={SI1978:U,VT100:yd};S.prototype.ma=function(){return!1};
S.prototype.Ka=function(a,b,c,d){this.B=b;this.b=c;this.G=d;this.u=a;a=this.w.ic;var e;void 0===e&&(e=0);if(a)for(var f in a){c=b;d=+f+e;var h=a[f].bind(this);if(void 0!==h)for(var g=+f+e;g<=d;g++)void 0!==c.u[g]?w("Input port "+t(g)+" already registered"):c.u[g]=[h,!1]}e=this.w.jc;var k;void 0===k&&(k=0);if(e)for(var l in e)if(f=b,a=+l+k,c=e[l].bind(this),void 0!==c)for(d=+l+k;d<=a;d++)void 0!==f.C[d]?w("Output port "+t(d)+" already registered"):f.C[d]=[c,!1]};
S.prototype.Ea=function(a,b){if(!b)if(!a)this.reset();else if(!this.restore(a))return!1;return!0};S.prototype.Ha=function(a){return a?this.save():!0};U.sb=[[U.tc.pb,U.Na.pb,U.uc.pb,0,0,0,0]];yd.sb=[[0,0]];m=S.prototype;m.reset=function(){this.restore(this.w.sb)||this.ea("reset error")};m.save=function(){var a=new Hc(this);switch(this.fb){case U.Ma:H(a,0,[this.Y,this.C,this.aa,this.F,this.H,this.T,this.W]);break;case yd.Ma:H(a,0,[this.J,this.K])}return a.data()};
m.restore=function(a){var b;if(a&&(b=a[0])&&b.length)switch(this.fb){case U.Ma:return this.Y=b[0],this.C=b[1],this.aa=b[2],this.F=b[3],this.H=b[4],this.T=b[5],this.W=b[6],!0;case yd.Ma:return this.J=b[0],this.K=b[1],!0}return!1};m.start=function(){};m.stop=function(){};function zd(a,b,c){a.C&=~b;c&&(a.C|=b)}m.zc=function(a,b){var c=this.Y;bb(this,a,null,b,"STATUS0",c);return c};m.Ac=function(a,b){var c=this.C;bb(this,a,null,b,"STATUS1",c);return c};
m.Bc=function(a,b){var c=this.aa;bb(this,a,null,b,"STATUS2",c);return c};m.yc=function(a,b){var c=this.F>>8-this.H&255;bb(this,a,null,b,"SHIFT.RESULT",c);return c};m.Ec=function(a,b,c){bb(this,a,b,c,"SHIFT.COUNT",null);this.H=b};m.Gc=function(a,b,c){bb(this,a,b,c,"SOUND1",null);this.T=b};m.Fc=function(a,b,c){bb(this,a,b,c,"SHIFT.DATA",null);this.F=b<<8|this.F>>8};m.Hc=function(a,b,c){bb(this,a,b,c,"SOUND2",null);this.W=b};m.Ic=function(a,b,c){bb(this,a,b,c,"WATCHDOG",null)};
m.Jc=function(a,b,c){bb(this,a,b,c,"BRIGHTNESS.LATCH",null);this.J=b};m.Kc=function(a,b,c){bb(this,a,b,c,"NVR.LATCH",null);this.K=b};U.ic={0:S.prototype.zc,1:S.prototype.Ac,2:S.prototype.Bc,3:S.prototype.yc};U.jc={2:S.prototype.Ec,3:S.prototype.Gc,4:S.prototype.Fc,5:S.prototype.Hc,6:S.prototype.Ic};yd.ic={};yd.jc={66:S.prototype.Jc,98:S.prototype.Kc};Ha(function(){for(var a=C(document,"pc8080","chipset"),b=0;b<a.length;b++){var c=a[b],d=A(c),d=new S(d);ab(d,c)}});
function Ad(a){z.call(this,"ROM",a,Ad);this.u=null;this.H=a.addr;this.C=a.size;this.I=a.writable;this.w=a.alias;this.F=a.file;this.J=ca(this.F);if(this.F){a=this.F;var b=da(this.J);"json"!=b&&"hex"!=b&&(a=oa()+"/api/v1/dump?file="+this.F+"&format=bytes&decimal=true");var c=this;na(a,null,!0,function(a,b,f){Bd(c,a,b,f)})}}Wa(Ad);var Cd=[0,5];Ad.prototype.Ka=function(a,b,c,d){this.B=b;this.b=c;this.G=d;Dd(this)};
Ad.prototype.Ea=function(){if(this.Ja){if(this.G){var a=this.G,b=this.id,c=this.H,d=this.C,e=this.Ja,f=[],h;for(h in e){var g=e[h];"number"==typeof g&&(e[h]=g={o:g});var k=g.o,l=g.a;if(void 0!==k){var n=f,k=[k>>>0,h],p=ja(n,k,a.Pa);0>p&&n.splice(-(p+1),0,k)}l&&(g.a=l.replace(/''/g,'"'))}a.I.push({yd:b,D:c,Cc:d,Ja:e,Sb:f})}delete this.Ja}return!0};Ad.prototype.Ha=function(){return!0};
function Bd(a,b,c,d){if(d)a.ea("Unable to load system ROM (error "+d+": "+b+")");else{Ya(a.Mb,b,c);if("["==c.charAt(0)||"{"==c.charAt(0))try{var e=eval("("+c+")"),f=e.bytes,h=e.data;if(f)a.u=f;else if(h)for(a.u=Array(4*h.length),d=c=0;c<h.length;c++)a.u[d++]=h[c]&255,a.u[d++]=h[c]>>8&255,a.u[d++]=h[c]>>16&255,a.u[d++]=h[c]>>24&255;else a.u=e;a.Ja=e.symbols;if(!a.u.length){w("Empty ROM: "+b);return}if(1==a.u.length){w(a.u[0]);return}}catch(g){a.ea("ROM data error: "+g.message);return}else for(b=c.replace(/\n/gm,
" ").replace(/ +$/,"").split(" "),a.u=Array(b.length),e=0;e<b.length;e++)a.u[e]=aa(b[e],16);Dd(a)}}
function Dd(a){if(!jb(a))if(!a.F)D(a);else if(a.u&&a.B){a.C||(a.C=a.u.length);if(a.u.length!=a.C)kb(a,"ROM size (0x"+q(a.u.length)+") does not match specified size ("+("0x"+q(a.C))+")");else if(Ed(a,a.H)){var b=[];"number"==typeof a.w?b.push(a.w):null!=a.w&&a.w.length&&(b=a.w);for(var c=0;c<b.length;c++){for(var d=a,e=b[c],f=d.B,h=d.C,g=[],k=d.H>>>f.ja;0<h&&k<f.U.length;)g.push(f.U[k++]),h-=f.Aa;f=d.B;d=d.C;h=0;for(e>>>=f.ja;0<d&&e<f.U.length;){k=g[h++];if(!k)break;f.U[e++]=k;d-=f.Aa}}delete a.u}D(a)}}
function Ed(a,b){if(sb(a.B,b,a.C,a.I?1:Sb)){var c;for(c=0;c<a.u.length;c++)xb(a.B,b+c,a.u[c]);if(a.I&&256==b){for(c=0;c<Cd.length;c++)xb(a.B,Cd[c],118);Dc(a.b,function(a){return function(b){if(0<=Cd.indexOf(b)){var c=!1,h=a.b,g=a.G;if(5==b)switch(c=!0,h.O){case 2:Fd(a,String.fromCharCode(h.R));break;case 9:for(var k=Kc(h),l="",n=255;n--;){var p=a.b.X(k++);if(36==p)break;l+=String.fromCharCode(p)}Fd(a,l);break;default:c=!1}c?vd.call(h):g&&(a.g("\nCP/M vector "+t(b)),G(h,b),g.ga());b=!0}else b=!1;return b}}(a));
Fc(a.b,b)}return!0}return!1}function Fd(a,b){b=b.replace(/\r/g,"");a.za&&(a.za.value+=b,a.za.scrollTop=a.za.scrollHeight)}Ha(function(){for(var a=C(document,"pc8080","rom"),b=0;b<a.length;b++){var c=a[b],d=A(c),d=new Ad(d);ab(d,c)}});function Gd(a){z.call(this,"RAM",a,Gd);this.w=a.addr;this.C=a.size;this.u=!1}Wa(Gd);m=Gd.prototype;m.Ka=function(a,b,c,d){this.B=b;this.b=c;this.G=d;D(this)};m.Ea=function(a,b){b||this.reset();return!0};m.Ha=function(a){return a?this.save():!0};
m.reset=function(){!this.u&&this.C&&sb(this.B,this.w,this.C,1)&&(this.u=!0);this.u||w("No RAM allocated")};m.save=function(){return null};m.restore=function(){return!0};Ha(function(){for(var a=C(document,"pc8080","ram"),b=0;b<a.length;b++){var c=a[b],d=A(c),d=new Gd(d);ab(d,c)}});function Hd(a){z.call(this,"Keyboard",a,Hd,65536);this.reset();D(this)}Wa(Hd);var Id={"1p":49,"2p":50,coin:51,left:37,right:39,fire:32},Jd={65:37,68:39,76:32},Kd={l1:1,l2:2,l3:4,l4:8,locked:16,local:32,online:64};
Hd.prototype.reset=function(){this.b={}};
Hd.prototype.ma=function(a,b,c){var d=this,e=a+"-"+b;if(void 0===this.L[e]){if("led"==a&&Kd[b])return this.L[e]=c,!0;switch(b){case "kbd":return c.onkeydown=function(a){return Ld(d,a,!0)},c.onkeyup=function(a){return Ld(d,a,!1)},!0;default:if(void 0!==Id[b])return this.L[e]=c,a=function(a,b){return function(){Md(a,b,!0)}}(this,b),b=function(a,b){return function(){Md(a,b,!1)}}(this,b),"ontouchstart"in window?(c.ontouchstart=a,c.ontouchend=b):(c.onmousedown=a,c.onmouseup=c.onmouseout=b),!0}}return!1};
Hd.prototype.Ka=function(a,b,c,d){this.G=d;this.C=ob(a,"ChipSet")};function Ld(a,b,c){var d=!0,e;a:{e=b.keyCode;e=Jd[e]||e;for(var f in Id)if(Id[f]===e){e=f;break a}e=null}e&&(d=Md(a,e,c));d||b.preventDefault();return d}function Md(a,b,c){a.b[b]=c;if(a.C)switch(b){case "1p":zd(a.C,U.Na.oc,c);break;case "2p":zd(a.C,U.Na.sc,c);break;case "coin":zd(a.C,U.Na.nc,c);break;case "left":zd(a.C,U.Na.qc,c);break;case "right":zd(a.C,U.Na.rc,c);break;case "fire":zd(a.C,U.Na.pc,c)}return!1}
Ha(function(){for(var a=C(document,"pc8080","keyboard"),b=0;b<a.length;b++){var c=a[b],d=A(c),d=new Hd(d);ab(d,c)}});
function Nd(a,b,c,d,e){var f=this;this.$b=wa("Gecko/");var h=["","moz","ms","webkit"];z.call(this,"Video",a,Nd,262144);this.Y=a.screenWidth;this.W=a.screenHeight;this.wa=a.bufferAddr;this.Oc=a.bufferRAM;var g=a.bufferFormat;this.ha=g&&Od[g.toLowerCase()]||Pd;this.Pa=a.bufferCols;this.Da=a.bufferRows;this.Lc=this.la=a.cellWidth||1;this.da=a.cellHeight||1;this.Ya=null;this.Oa=a.bufferBits||1;this.Pc=a.bufferLeft||0;if(this.F=a.bufferRotate)this.F=this.F%360,0<this.F&&(this.F-=360),-90!=this.F&&(this.ea("unsupported buffer rotation: "+
this.F),this.F=0);this.gc=a.interruptRate;this.Rc=a.refreshRate||60;this.T=b;this.H=c;this.ya=(this.Sc=d)||b||null;this.Mc=this.Y;this.Nc=this.W;this.Fb=this.Y/this.Pa|0;this.Zb=this.W/this.Da|0;1<this.da&&this.Da++;b=a.smoothing;(c=Ra.smoothing)&&(b="true"==c);if(null!=b)for(c=0;c<h.length;c++)if(d=(d=h[c])?d+"ImageSmoothingEnabled":"imageSmoothingEnabled",void 0!==this.H[d]){this.H[d]=b;break}if(this.I=a.screenRotate)this.I=this.I%360,0<this.I&&(this.I-=360),-90!=this.I?(this.ea("unsupported screen rotation: "+
this.I),this.I=0):(this.H.translate(0,this.W),this.H.rotate(this.I*Math.PI/180),this.H.scale(this.W/this.Y,this.Y/this.W));if(this.w=e)if(this.w.$a=e.requestFullscreen||e.msRequestFullscreen||e.mozRequestFullScreen||e.webkitRequestFullscreen,this.w.$a){for(c=0;c<h.length;c++)if(d=h[c]+"fullscreenchange","on"+d in document){document.addEventListener(d,function(){Qd(f,document.fullscreenElement||document.msFullscreenElement||document.mozFullScreenElement||document.webkitFullscreenElement?!0:!1)},!1);
break}for(c=0;c<h.length;c++)if(d=h[c]+"fullscreenerror","on"+d in document){document.addEventListener(d,function(){Qd(f,null)},!1);break}}if(this.ia=a.fontROM)"json"!=da(this.ia)&&(this.ia=oa()+"/api/v1/dump?file="+this.ia+"&format=bytes"),na(this.ia,null,!0,function(a,b,c){Rd(f,a,b,c)});this.rb={}}Wa(Nd);var Pd=0,Od={vt100:2};
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function bd(a,b,c){var d=a.b;if(0<c&&(a.va&&!--a.va||ac(a,b,1,a.C)))return!0;0<=c&&a.J.length&&(a.da++,b=ub(a.A,b),null!=b&&(a.J[b][1]++,b=a.T[a.ra],b.D=d.M,b.Ka=!1,++a.ra==a.T.length&&(a.ra=0)));return!1}function Ab(a,b,c){a.g("break on input from port "+t(b)+": "+q(c));a.ga(!0)}function Eb(a,b,c){a.g("break on output to port "+t(b)+": "+q(c));a.ga(!0)}
function be(a){var b,c;a.C=["bp"];if(void 0!==a.Y)for(b=1;b<a.Y.length;b++){c=a.Y[b];var d=a.A;bc(d.U[me(c)>>>d.ja],!1)}a.Y=["br"];if(void 0!==a.H)for(b=1;b<a.H.length;b++)c=a.H[b],d=a.A,bc(d.U[me(c)>>>d.ja],!0);a.H=["bw"];a.ab=0}m.Sa=function(a,b,c){var d=!0;c||Ee(this,a,b,!1,!0);if(a!=this.C){var e=me(b);if(-1===e)this.g("invalid address: "+Z(b.D)),d=!1;else{var f=this.A;f.U[e>>>f.ja].Sa(e&f.A,a==this.H)}}d&&(a.push(b),c?b.Ka=!0:(Fe(this,a,a.length-1,"set"),ce(this)));return d};
function Ee(a,b,c,d,e){var f=!1;c=me(c);for(var h=1;h<b.length;h++){var g=b[h];if(c==me(g)&&(!d||g.Ka)){f=!0;g.Ka||e||Fe(a,b,h,"cleared");b.splice(h,1);b!=a.C&&(d=a.A,bc(d.U[c>>>d.ja],b==a.H));g.Ka||ce(a);break}}return f}function df(a,b){for(var c=1;c<b.length;c++)Fe(a,b,c);return b.length-1}function Fe(a,b,c,d){c=b[c];a.g(b[0]+" "+Z(c.D)+(d?" "+d:c.nc?' "'+c.nc+'"':""))}
function De(a,b){if(void 0!==b)ac(a,b,1,a.C,!0),a.aa=0;else for(var c=1;c<a.C.length;c++){var d=a.C[c];if(d.Ka){if(!Ee(a,a.C,d,!0))break;c=0}}}
function ac(a,b,c,d,e){var f=!1;if(!a.ab++)for(var h=1;!f&&h<d.length;h++){var g=d[h];if(!e||g.Ka)for(var k=me(g),l=0;l<c;l++)if(b+l==k){var n,f=!0;g.Ka&&(Ee(a,d,g,!0),e=!0);if(n=g.Cc){for(var f=!1,p=0;p<n.length;p++)if(!ef(a,n[p],!0)){if(n[p].indexOf("if")){f=!0;break}for(var v=p+1;v<n.length&&n[v].indexOf("else");v++)p++;if(v==n.length){f=!0;break}}a.b.B.sa||(f=!0)}if(f){e||Fe(a,d,h,"hit");break}}}a.ab--;return f}
function ff(a,b,c,d){for(var e=Y(b.D),f=a.X(b,1),h=a.Qa[f],g="",k=(8086!=a.style?ge:he)[h[0]],l=h.length-1,n=0,p,v=1;v<=l;v++){var u="";p=h[v];if(void 0!==p&&!(p&16384&&a.style==ae)){var r=p&240;if(r){var B=p&15;B?n=B:p|=n;p&61440||(p|=1==v?8192:4096);if(r&32)a:{var u=a,r=p,B=b,x=" ";switch(r&15){case 1:x=q(u.X(B,1),2);break;case 2:x=q(u.X(B,1)<<24>>24,4);break;case 3:x=q(u.Na(B,2),4);break;default:u="imm("+t(r)+")";break a}8086==u.style&&r&64?x="["+x+"]":r&16||(x=(u.style==ae?"$":"0x")+x);u=x}else r&
16?(u=(p&3840)>>8,r=ie[u],8086==a.style&&p&64&&(6==u&&(r="HL"),r="["+r+"]"),u=r):r&128&&(u=(f>>3&7).toString());if(!u||!u.length){g="INVALID";break}0<g.length&&(g+=",");g+=u||"???"}}}f="";h=Z(e.D)+" ";if(-1!==e.D&&-1!==b.D){do if(f+=q(a.X(e,1),2),null==e.D)break;while(e.D!=b.D)}h+=ha(f,10);h=h+(p&32768?"*":" ")+ha(k,7);g&&(h+=" "+g);c&&(h=ha(h,40)+";"+c,h=a.b.B.fb?h+("cycles="+wc(a.b).toString()+" cs="+q(a.b.i.ub)):h+(null!=d?"="+d.toString():""));return h}
function gf(a,b){var c;switch(b){case "IF":c=a.b.ta&512;break;case "SF":c=Sc(a.b);break;case "ZF":c=Rc(a.b);break;case "AF":c=Qc(a.b);break;case "PF":c=Pc(a.b);break;case "CF":c=Nc(a.b);break;default:c=0}return b.charAt(0)+(c?"1":"0")+" "}function hf(a,b){return ie[b]+"="+xe(a,b)+" "}function jf(a){return hf(a,7)+hf(a,8)+hf(a,9)+hf(a,10)+hf(a,11)+gf(a,"IF")+gf(a,"SF")+gf(a,"ZF")+gf(a,"AF")+gf(a,"PF")+gf(a,"CF")}
var kf={"||":0,"&&":1,"|":2,"^":3,"&":4,"!=":5,"==":5,">=":6,">":6,"<=":6,"<":6,">>>":7,">>":7,"<<":7,"-":8,"+":8,"%":9,"/":9,"*":9};
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function ne(a,b,c){var d;if(b){b=me(a,b);for(var e=0,f=!1,h=b,g=[],k=[],l=b.split(/(\|\||&&|\||^|&|!=|==|>=|>>>|>>|>|<=|<<|<|-|\+|%|\/|\*)/);e<l.length;){var n=l[e++],p=n.length,n=ia(n);if(!n){f=!0;break}n=gf(a,n,null,!1===c);if(void 0===n){f=!0;c=!1;break}g.push(n);if(e==l.length)break;var n=l[e++],v=n.length;k.length&&ef[n]<ef[k[k.length-1]]&&ff(g,k,1);k.push(n);b=b.substr(p+v)}ff(g,k)&&1==g.length||(f=!0);f?c&&a.g("error parsing '"+h+"' at character "+(h.length-b.length)):(d=g.pop(),c&&hf(a,null,
d))}return d}function me(a,b){for(var c;(c=b.match(/\{(.*?)}/))&&!(0<=c[1].indexOf("{"));){var d=ne(a,c[1]);b=b.replace("{"+c[1]+"}",null!=d?q(d):"undefined")}for(;(c=b.match(/\[(.*?)]/))&&!(0<=c[1].indexOf("["));)d=ie(a,c[1]),b=b.replace("["+c[1]+"]",d?q(a.La(d,0),4):"undefined");for(c=b;d=c.match(/\$([a-z]+)/i);){var e=null;switch(d[1].toLowerCase()){case "ops":e=a.ca-a.ya}if(null==e)break;c=c.replace(d[0],e.toString())}return c}
function gf(a,b,c,d){var e;void 0!==b?(e=re(b),0<=e?e=te(a,e):(e=a.qa[b],void 0===e&&(e=aa(b))),void 0!==e||d||a.g("invalid "+(c?c:"value")+": "+b)):d||a.g("missing "+(c||"value"));return e}
function hf(a,b,c){var d,e=!1;if(void 0!==c){e=!0;d=c;var f,h="";if(!f||4<f)f=4;for(var g=0;g<f;g++){h&&(h=","+h);var k=d&255,l=8,n="";void 0===l?l=32:32<l&&(l=32);if(null==k||isNaN(k))for(;0<l--;)n="?"+n;else for(;0<l--;)n=(k&1?"1":"0")+n,k>>=1;h=n+"b"+h;d>>=8}d="0x"+q(c)+" "+c+". ("+h+")"}a.g((null!=b?b+": ":"")+d);return e}function jf(a,b){if(b)return hf(a,b,a.qa[b]);var c=0;for(b in a.qa)hf(a,b,a.qa[b]),c++;return 0<c}Wd.prototype.Pa=function(a,b){return a[0]>b[0]?1:a[0]<b[0]?-1:0};
function kf(a,b,c){var d=[],e=Y(b)>>>0;for(b=0;b<a.I.length;b++){var f=a.I[b],h=f.D>>>0,g=f.Cc;if(e>=h&&e<h+g){e=ja(f.Sb,[e-h],a.Pa);0<=e?lf(a,b,e,d):c&&(e=~e,lf(a,b,e-1,d),lf(a,b,e,d));break}}return d}function lf(a,b,c,d){var e={},f=a.I[b].Sb,h=0,g=null;0<=c&&c<f.length&&(h=f[c][0],g=f[c][1]);g&&(e=a.I[b].Ja[g],g="."==g.charAt(0)?null:e.l||g);d.push(g);d.push(h);d.push(e.a);d.push(e.c)}
function mf(a,b){if("?"==b)a.g("frequency commands:"),a.g("\tclear\tclear all frequency counts");else{var c,d=0;if(a.J)if("clear"==b){for(c=0;c<a.J.length;c++)a.J[c]=[c,0];a.g("frequency data cleared");d++}else if(void 0!==b)a.g("unknown frequency command: "+b),d++;else{var e=a.J.slice();e.sort(function(a,b){return b[1]-a[1]});var f=8086!=a.style?ce:de;for(c=0;c<e.length;c++){var h=e[c][0],g=e[c][1];g&&(a.g((f[a.Oa[h][0]]+" ").substr(0,5)+" ("+("0x"+q(h,2))+"): "+g+" times"),d++)}}d||a.g("no frequency data available")}}
function nf(a,b){var c=b.match(/^\s*([A-Z_]?[A-Z0-9_]*)\s*(=?)\s*(.*)$/i);if(c){if(!c[1])return jf(a)||a.g("no variables"),!0;if(!c[2])return jf(a,c[1]);if(!c[3])return delete a.qa[c[1]],!0;var d=ne(a,c[3]);return void 0!==d?(a.qa[c[1]]=d,!0):!1}a.g("invalid assignment:"+b);return!1}
function of(a,b,c){var d=null;if(b=ie(a,b,!0)){var e=kf(a,b,!0);if(e.length){var f,h;e[0]&&(h="",(f=b.D-e[1])&&(h=" + "+t(f)),f=e[0]+" ("+Z(e[1])+")"+h,c&&a.g(f),d=f);4<e.length&&e[4]&&(h="",(f=e[5]-b.D)&&(h=" - "+t(f)),f=e[4]+" ("+Z(e[5])+")"+h,c&&a.g(f),d||(d=f))}else c&&a.g("no symbols")}return d}
function pf(a,b){switch(b[1]){case "8080":a.style=Xd;break;case "8086":a.style=8086;break;case "cs":var c;void 0!==b[3]&&(c=+b[3]);switch(b[2]){case "int":a.b.i.hb=c;break;case "start":a.b.i.ub=c;break;case "stop":a.b.i.jb=c;break;default:a.g("unknown cs option");return}void 0!==c&&gc(a.b);a.g("checksums "+(a.b.A.bb?"enabled":"disabled"));return;case "sp":void 0!==b[2]&&(wc(a.b,+b[2])||a.g("warning: using 1x multiplier, previous target not reached"));a.g("target speed: "+(a.b.i.Ta.toFixed(2)+"Mhz")+
" ("+a.b.i.Va+"x)");return;case "?":a.g("debugger options:");a.g("\t8080\t\tselect 8080-style mnemonics");a.g("\t8086\t\tselect 8086-style mnemonics");a.g("\tcs int #\tset checksum cycle interval to #");a.g("\tcs start #\tset checksum cycle start count to #");a.g("\tcs stop #\tset checksum cycle stop count to #");a.g("\tsp #\t\tset speed multiplier to #");break;default:if(b[1]){a.g("unknown option: "+b[1]);return}}a.g(a.style+"-style mnemonics enabled")}
function we(a,b){var c;if(b&&"?"==b[1])a.g("register commands:"),a.g("\tr\tdump registers"),a.g("\trx [#]\tset flag or register x to [#]");else{var d=a.b;null==c&&(c=!0);if(null!=b&&1<b.length){var e=b[1],f=null,h=e.indexOf("=");if(0<h)f=e.substr(h+1),e=e.substr(0,h);else if(2<b.length)f=b[2];else{a.g("missing value for "+b[1]);return}var h=!1,g=ne(a,f);if(void 0!==g)switch(h=!0,e.toUpperCase()){case "A":d.j=g&255;break;case "B":d.N=g&255;break;case "BC":d.N=g>>8&255;case "C":d.O=g&255;break;case "D":d.P=
g&255;break;case "DE":d.P=g>>8&255;case "E":d.R=g&255;break;case "H":d.S=g&255;break;case "HL":d.S=g>>8&255;case "L":d.V=g&255;break;case "SP":d.fa=g&65535;break;case "PC":G(d,g);a.W=V(d.M);break;case "PS":Ec(d,g);break;case "PSW":Ec(d,g&255|d.ta&-256);d.j=g>>8;break;case "CF":d.Z=g?d.Z|256:d.Z&255;break;case "PF":g?Oc(d)||(d.ba^=1):Oc(d)&&(d.ba^=1);break;case "AF":d.pa=g?~d.ba&16|d.pa&-17:d.ba&16|d.pa&-17;break;case "ZF":d.Z=g?d.Z&-256:d.Z|255;break;case "SF":g?Rc(d)||(d.ba^=192):Rc(d)&&(d.ba^=192);
break;case "IF":d.ta=g?d.ta|512:d.ta&-513;break;default:a.g("unknown register: "+e);return}if(!h){a.g("invalid value: "+f);return}hc(d);a.g("updated registers:")}a.g(df(a));c&&(a.W=V(d.M),xe(a,Z(a.W.D)))}}function qf(a,b){b=ia(b);var c=b.match(/^(['"])(.*?)\1$/);c?a.g(ue(a,c[2])):ne(a,b,!0)}function rf(a,b,c){var d="t"!=b;c=gf(a,c,null,!0)||1;var e=1==c?0:1;"tc"==b&&(e=c,c=1);xa(c,function(){return fb(a,!0)&&a.nb(e,d,!1)},function(){hc(a.b);fb(a,!1)})}
function xe(a,b,c,d){if(b=ie(a,b,!0)){void 0===d&&(d=1);var e=256;if(void 0!==c){d=ie(a,c,!0);if(!d||d.D<b.D)return;e=d.D-b.D;if(256<e){a.g("range too large");return}d=-1}c=0;for(var f;0<e&&d--;){f=gb(a,!1)||a.aa?a.K:null;var h=null!=f?"cycles":null,g=kf(a,b),k=b.D;if(g[0]&&d&&(!c&&d||0>g[0].indexOf("+"))){var l=g[0]+":";g[2]&&(l+=" "+g[2]);a.g(l)}g[3]&&(h=g[3],f=null);f=af(a,b,h,f);a.g(f);a.W=b;e-=b.D-k;c++}}}
function pe(a,b,c,d){if(c)if(b){0>a.F&&a.w.length&&(a.F=0);if(0>a.F||b!=a.w[a.F])a.w.splice(0,0,b),a.F=0;a.F--}else a.ia?b="end":b=a.w[a.F+1];a=[];if(b){b=b.toLowerCase().replace(/""/g,"'");c=0;var e=null;d=d||";";for(var f=0;f<=b.length;f++){var h=b.charAt(f);if('"'==h||"'"==h)e?h==e&&(e=null):e=h;else if(h==d&&!e||!h)a.push(ia(b.substring(c,f))),c=f+1}}return a}
function $e(a,b,c){var d=!0;try{b.length&&"end"!=b?c||a.g(">> "+b):(a.ia&&(a.g("ended assemble at "+Z(a.ha.D)),a.W=a.ha,a.ia=!1),b="");var e=b.charAt(0);if('"'==e||"'"==e)return!0;a.wa=null;if(jb(a)&&0<b.length){a.ia&&(b="a "+Z(a.ha.D)+" "+b);var f=b.replace(/ +/g," ").split(" ");if(f&&f.length)for(var h=f[0],g=h.charAt(0),k=1;k<h.length;k++){var l=h.charAt(k);if("?"==g||"r"==g||"a">l||"z"<l){f[0]=h.substr(k);f.unshift(h.substr(0,k));break}}switch(f[0].charAt(0)){case "a":var n=ie(a,f[1],!0);if(n)if(a.ha=
n,void 0===f[2])a.g("begin assemble at "+Z(n.D)),a.ia=!0,hc(a.b);else{var p;a.g("not supported yet");p=[];if(p.length){for(var v=0;v<p.length;v++)a.na(n,p[v],1);a.g(af(a,a.ha))}}break;case "b":a:{var u=f[0],r=f[1],B=b;if("?"==r)a.g("breakpoint commands:"),a.g("\tbi [p]\ttoggle break on input port [p]"),a.g("\tbo [p]\ttoggle break on output port [p]"),a.g("\tbp [a]\tset exec breakpoint at addr [a]"),a.g("\tbr [a]\tset read breakpoint at addr [a]"),a.g("\tbw [a]\tset write breakpoint at addr [a]"),
a.g("\tbc [a]\tclear breakpoint at addr [a]"),a.g("\tbl\tlist all breakpoints"),a.g("\tbn [n]\tbreak after [n] instruction(s)");else{var x=u.charAt(1);if("l"==x){var E=0,E=E+Ze(a,a.C),E=E+Ze(a,a.Y);(E+=Ze(a,a.H))||a.g("no breakpoints")}else if("n"==x)a.va=gf(a,r),a.g("break after "+a.va+" instruction(s)");else if(void 0===r)a.g("missing breakpoint address");else{var y=V();if("*"!=r&&(y=ie(a,r,!0),!y))break a;r=t(y.D);"c"==x?null==y.D?(Yd(a),a.g("all breakpoints cleared")):ze(a,a.C,y)||ze(a,a.Y,y)||
ze(a,a.H,y)||a.g("breakpoint missing: "+Z(y.D)):"i"==x?a.g("breakpoint "+(yb(a.B,y.D)?"enabled":"cleared")+": port "+r+" (input)"):"o"==x?a.g("breakpoint "+(Bb(a.B,y.D)?"enabled":"cleared")+": port "+r+" (output)"):null!=y.D&&(oe(a,y,B),"p"==x?a.Qa(a.C,y):"r"==x?a.Qa(a.Y,y):"w"==x?a.Qa(a.H,y):a.g("unknown breakpoint command: "+x))}}}break;case "c":a.za&&(a.za.value="");break;case "d":a:{var P,W=f[0],T=f[1],pa=f[2],Gb=f[3];if("?"==T){var ya="";for(P in ge)a.Ca[P]&&(ya&&(ya+=","),ya+=P);ya+=",state,symbols";
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return b}}(a));Gb(a.a,b)}return!0}return!1}function fc(a,b){b=b.replace(/\r/g,"");a.ea&&(a.ea.value+=b,a.ea.scrollTop=a.ea.scrollHeight)}ta(function(){for(var a=E(document,"pc8080","rom"),b=0;b<a.length;b++){var c=a[b],d=D(c),d=new ac(d);Ha(d,c)}});function gc(a){u.call(this,"RAM",a,gc);this.f=a.addr;this.c=a.size;this.b=!1}y(gc);m=gc.prototype;m.fa=function(a,b,c,d){this.m=b;this.a=c;this.K=d;F(this)};m.aa=function(a,b){b||this.reset();return!0};m.da=function(a){return a?this.save():!0};
m.reset=function(){!this.b&&this.c&&Ra(this.m,this.f,this.c,1)&&(this.b=!0);this.b||t("No RAM allocated")};m.save=function(){return null};m.restore=function(){return!0};ta(function(){for(var a=E(document,"pc8080","ram"),b=0;b<a.length;b++){var c=a[b],d=D(c),d=new gc(d);Ha(d,c)}});function hc(a){u.call(this,"Keyboard",a,hc);this.reset();F(this)}y(hc);var ic={"1p":49,"2p":50,coin:51,left:37,right:39,fire:32},jc={65:37,68:39,76:32},kc={l1:1,l2:2,l3:4,l4:8,locked:16,local:32,online:64};
hc.prototype.reset=function(){this.a={}};
hc.prototype.R=function(a,b,c){var d=this,e=a+"-"+b;if(void 0===this.B[e]){if("led"==a&&kc[b])return this.B[e]=c,!0;switch(b){case "kbd":return c.onkeydown=function(a){return lc(d,a,!0)},c.onkeyup=function(a){return lc(d,a,!1)},!0;default:if(void 0!==ic[b])return this.B[e]=c,a=function(a,b){return function(){mc(a,b,!0)}}(this,b),b=function(a,b){return function(){mc(a,b,!1)}}(this,b),"ontouchstart"in window?(c.ontouchstart=a,c.ontouchend=b):(c.onmousedown=a,c.onmouseup=c.onmouseout=b),!0}}return!1};
hc.prototype.fa=function(a,b,c,d){this.K=d;this.D=Na(a,"ChipSet")};function lc(a,b,c){var d=!0,e;a:{e=b.keyCode;e=jc[e]||e;for(var f in ic)if(ic[f]===e){e=f;break a}e=null}e&&(d=mc(a,e,c));d||b.preventDefault();return d}function mc(a,b,c){a.a[b]=c;if(a.D)switch(b){case "1p":$b(a.D,Z.ia.Cb,c);break;case "2p":$b(a.D,Z.ia.Gb,c);break;case "coin":$b(a.D,Z.ia.Bb,c);break;case "left":$b(a.D,Z.ia.Eb,c);break;case "right":$b(a.D,Z.ia.Fb,c);break;case "fire":$b(a.D,Z.ia.Db,c)}return!1}
ta(function(){for(var a=E(document,"pc8080","keyboard"),b=0;b<a.length;b++){var c=a[b],d=D(c),d=new hc(d);Ha(d,c)}});
function nc(a,b,c,d,e){var f=this;this.hb=oa("Gecko/");var h=["","moz","ms","webkit"];u.call(this,"Video",a,nc);this.s=a.screenWidth;this.o=a.screenHeight;this.U=a.bufferAddr;this.Rb=a.bufferRAM;var g=a.bufferFormat;this.F=g&&pc[g.toLowerCase()]||qc;this.Ha=a.bufferCols;this.ba=a.bufferRows;this.Kb=this.M=a.cellWidth||1;this.J=a.cellHeight||1;this.Sa=null;this.na=a.bufferBits||1;this.Sb=a.bufferLeft||0;if(this.c=a.bufferRotate)this.c=this.c%360,0<this.c&&(this.c-=360),-90!=this.c&&(this.I("unsupported buffer rotation: "+
this.c),this.c=0);this.qb=a.interruptRate;this.Ub=a.refreshRate||60;this.l=b;this.f=c;this.X=(this.Wb=d)||b||null;this.Lb=this.s;this.Mb=this.o;this.eb=this.s/this.Ha|0;this.gb=this.o/this.ba|0;1<this.J&&this.ba++;b=a.smoothing;(c=ya.smoothing)&&(b="true"==c);if(null!=b)for(c=0;c<h.length;c++)if(d=(d=h[c])?d+"ImageSmoothingEnabled":"imageSmoothingEnabled",void 0!==this.f[d]){this.f[d]=b;break}if(this.g=a.screenRotate)this.g=this.g%360,0<this.g&&(this.g-=360),-90!=this.g?(this.I("unsupported screen rotation: "+
this.g),this.g=0):(this.f.translate(0,this.o),this.f.rotate(this.g*Math.PI/180),this.f.scale(this.o/this.s,this.s/this.o));if(this.b=e)if(this.b.pa=e.requestFullscreen||e.msRequestFullscreen||e.mozRequestFullScreen||e.webkitRequestFullscreen,this.b.pa){for(c=0;c<h.length;c++)if(d=h[c]+"fullscreenchange","on"+d in document){document.addEventListener(d,function(){rc(f,document.fullscreenElement||document.msFullscreenElement||document.mozFullScreenElement||document.webkitFullscreenElement?!0:!1)},!1);
break}for(c=0;c<h.length;c++)if(d=h[c]+"fullscreenerror","on"+d in document){document.addEventListener(d,function(){rc(f,null)},!1);break}}if(this.H=a.fontROM)"json"!=ca(this.H)&&(this.H=ia()+"/api/v1/dump?file="+this.H+"&format=bytes"),q(this.H,null,!0,function(a,b,c){sc(f,a,b,c)});this.Xa={}}y(nc);var qc=0,pc={vt100:2};
nc.prototype.fa=function(a,b,c,d){this.u=a;this.m=b;this.a=c;this.K=d;this.F||(this.D=Na(a,"ChipSet"))&&this.D.ga==Z.ha&&(this.F=1);this.i=this.Ha*this.M;this.v=this.ba*this.J;b=this.i;c=this.v;this.c&&(b=this.v,c=this.i);this.Ia=(this.i*this.na>>3)*this.v;if(this.Rb||Ra(this.m,this.U,this.Ia,3))1<this.M?tc(this,this.Ha*this.ba):(this.ib=this.f.createImageData(b,c),this.lb=16/this.na|0,tc(this,this.Ia>>1)),this.j=document.createElement("canvas"),this.j.width=b,this.j.height=c,this.Ta=this.j.getContext("2d"),
this.N={},this.Y=1<<this.na,this.O=Array(this.Y+2),this.O[0]=[0,0,0,255],this.O[1]=[255,255,255,255],1==this.F&&(this.O[this.Y+0]=[255,255,0,255],this.O[this.Y+1]=[0,255,0,255]),2==this.F&&(this.Tb=60,this.Ua=!1,this.T=Array(this.Ha));if(this.C=Na(a,"Keyboard")){for(var e in this.Xa)this.C.R("led",e,this.Xa[e]);this.l&&this.C.R(this.Wb?"textarea":"canvas","kbd",this.X)}this.H||F(this)};
function sc(a,b,c,d){if(d)a.I("Unable to load font ROM (error "+d+": "+b+")");else{Fa(a.Wa,b,c);try{var e=eval("("+c+")"),f=e.bytes||e;if(!f||!f.length){t("Empty font ROM: "+b);return}if(1==f.length){t(f[0]);return}if(2048==f.length)uc(a,f);else{a.I("Unrecognized font data length ("+f.length+")");return}}catch(h){a.I("Font ROM data error: "+h.message);return}(a.f||a.K)&&F(a)}}
function uc(a,b){a.Sa=b;a.N[96]=[vc(a,a.M,a.J),vc(a,a.M,a.J,a.Ua)];a.N[64]=[vc(a,2*a.M,a.J),vc(a,2*a.M,a.J,a.Ua)];a.N[32]=a.N[0]=[vc(a,2*a.M,2*a.J),vc(a,2*a.M,2*a.J,a.Ua)]}
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nc.prototype.aa=function(){return!0};nc.prototype.R=function(a,b,c){var d=this;if("led"==a||"rled"==a)return this.Xa[b]=c,!0;switch(b){case "fullScreen":return this.B[b]=c,this.b&&this.b.pa?c.onclick=function(){d.pa()}:c.parentNode.removeChild(c),!0}return!1};
nc.prototype.pa=function(){var a=!1;if(this.b){if(this.b.pa){a="100%";if(screen&&screen.width&&screen.height){var b=screen.width/screen.height,c=this.s/this.o;b>c&&(a=Math.round(c/b*100)+"%")}this.hb?(this.l.style.width=a,this.l.style.width=a,this.l.style.display="block",this.l.style.margin="auto"):(this.b.style.width=a,this.b.style.height="auto");this.b.style.backgroundColor="black";this.b.pa();a=!0}this.X&&this.X.focus()}return a};
function rc(a,b){!b&&a.b&&(a.hb?a.l.style.width=a.l.style.height="":a.b.style.width=a.b.style.height="")}function tc(a,b){a.jb=b;a.W=!1;if(void 0===a.L||a.L.length!=a.jb)a.L=Array(a.jb)}function wc(a,b,c,d,e){d=a.c?(b.height-c-1)*b.width+d:c+d*b.width;e&&1==a.F&&(208<=c&&236>c?e=a.Y+0:28<=c&&72>c&&(e=a.Y+1));a=a.O[e];d*=a.length;b.data[d]=a[0];b.data[d+1]=a[1];b.data[d+2]=a[2];b.data[d+3]=a[3]}
ta(function(){for(var a=E(document,"pc8080","video"),b=0;b<a.length;b++){var c=a[b],d=D(c),e=document.createElement("canvas");if(void 0===e||!e.getContext){c.innerHTML="<br/>Missing &lt;canvas&gt; support. Please try a newer web browser.";break}e.setAttribute("class","pcjs-canvas");e.setAttribute("width",d.screenWidth);e.setAttribute("height",d.screenHeight);e.style.backgroundColor=d.screenColor;e.style.height="auto";0<=(window?window.navigator.userAgent:"").indexOf("MSIE")&&(c.onresize=function(a,
b,c,d){return function(){b.style.height=(a.clientWidth*d/c|0)+"px"}}(c,e,d.screenWidth,d.screenHeight),c.onresize());var f=+(d.aspect||ya.aspect);f&&.3<=f&&3.33>=f&&(sa("onresize",function(a,b,c){return function(){b.style.height=(a.clientWidth/c|0)+"px"}}(c,e,f)),window.onresize());c.appendChild(e);f=document.createElement("textarea");oa("iOS")&&(f.setAttribute("autocapitalize","off"),f.setAttribute("autocorrect","off"));c.appendChild(f);var h=e.getContext("2d"),d=new nc(d,e,h,f,c);Ha(d,c)}});
function K(a,b,c){this.id=a.id;this.key=xc(a,b,c);this.K=a.K;yc(this,a.vb)}function xc(a,b,c){a=a.id;if(b){var d=b.indexOf(".");0<d&&(a+=".v"+b.substr(0,d))}c&&(a+="."+c);return a}
K.prototype={constructor:K,value:function(){return this[this.id]},data:function(){return this[this.id]},toString:function(){var a=this[this.id];return"string"==typeof a?a:JSON.stringify(a)},clear:function(a){yc(this);var b=[];try{for(var c=0,d=window.localStorage.length;c<d;c++)b.push(window.localStorage.key(c))}catch(e){}for(c=0;c<b.length;c++)if((d=b[c])&&(a||d.substr(0,this.key.length)==this.key)){try{window.localStorage.removeItem(d)}catch(e){}b.splice(c,1);c=0}}};
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function Dc(a,b,c){u.call(this,"Computer",a,Dc);this.h.P=!1;Ec(this,b);this.D=ob(this,"autoPower",a);this.f=0;this.L=a.busWidth||a.buswidth;this.b=Fc;this.s=null;this.l=this.H=!1;this.N=ob(this,"url")||"";(Math.random()+.1).toString(36);this.c=Gc(this);if(this.a=Ga("CPU",this.id)){this.K=Ga("Debugger",this.id);this.j=[];for(b=null;b=Na(this,"Video",b);)this.j.push(b);this.m=new Pa({id:this.Wa+".bus",busWidth:this.L},this.a,this.K);var d,e=C(this.id);if((this.g=Ga("Panel",this.id))&&this.g.ea)for(b=
0;b<e.length;b++)d=e[b],d.I=this.g.I,d.V=this.g.V,d.ea=this.g.ea;this.V("PC8080 v1.23.3\nCopyright \u00a9 2012-2016 Jeff Parsons <Jeff@pcjs.org>\nLicense: GPL version 3 or later <http://gnu.org/licenses/gpl.html>");for(b=0;b<e.length;b++)d=e[b],d.fa&&d.fa(this,this.m,this.a,this.K);b=null;d=a.resume;void 0!==d&&(1<d.length?b=this.u=d:this.b=parseInt(d,10));var f;if(a=ob(this,"state")||(f=!0,a.state))b=this.C=a,f||(this.l=!0,this.b=Fc),this.b&&(this.v=new K(this,"1.23.3"),Bc(this.v)?b=null:delete this.v);
!b&&this.b&&(b=Hc(this))&&(this.l=!0);if(b){var h=this;q(b,null,!0,function(a,b,c){c?(h.u=null,h.l=!1,h.I("Unable to load machine state from server (error "+c+(b?": "+(String.prototype.trim?b.trim():b.replace(/^\s+|\s+$/g,"")):"")+")")):(h.s=b,h.H=!0);F(h)})}else F(this);this.B.power||(this.D=!0);!c&&this.D&&Ic(this,this.Ea)}else t("Unable to find CPU component")}y(Dc);var Fc=0;
function Ec(a,b){if(!b){var c;if("object"==typeof resources&&(c=resources.parms))try{b=eval("("+c+")")}catch(d){t(d.message+" ("+c+")")}}a.o=b}function ob(a,b,c){var d=b.toLowerCase(),d=ya[b]||ya[d];void 0===d&&a.o&&(d=a.o[b]);void 0===d&&c&&(d=c[b]);void 0===d&&"object"==typeof resources&&resources[b]&&(d=b);return d}function Ic(a,b,c){for(var d=C(a.id),e=0;e<=d.length;e++){var f=e<d.length?d[e]:a;if(!Ja(f)){Ja(f,function(){Ic(a,b,c)});return}}b.call(a,c)}
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m.Ea=function(a){void 0===a&&(a=this.b||(this.s?1:Fc));if(!this.f){this.f++;var b=!1,c=!1;this.F=!1;var d=this.v||new K(this,"1.23.3");if(-1==a)b=!0;else if(a>Fc){if(Bc(d,this.s)){this.i=new K(this,"1.23.3","failsafe");Bc(this.i)&&(Kc(this,d),a=2,yc(this.i));L(this.i,"timestamp",ha());zc(this.i);var e=this.b&&!this.l;if(1==a||ja("Click OK to restore the previous PC8080 machine state, or CANCEL to reset the machine.")){if(c=Ac(d)){var f=Cc(d,"code"),h=Cc(d,"data");f&&("ok"==f?Bc(d,h):("error"==f&&
"no machine state"!=h?(this.I("Error: "+h),"unable to verify user"==h&&(na("user",""),this.c=null)):this.V(f+": "+h),yc(d),Bc(d)?(c=Ac(d),e=!0):c=!1))}e&&Jc(this,c?d:null)}else 2==a&&d.clear()}else Jc(this);delete this.s;delete this.v}e=C(this.id);for(f=0;f<e.length;f++)h=e[f],h!==this&&h!=this.a&&(c=Lc(this,h,d,b,c));b=[d,a,c];-1!=a?Ic(this,this.kb,b):this.kb(b)}};
function Lc(a,b,c,d,e){if(!b.h.P){b.h.P=!0;if(b.aa){var f=null;e&&((f=Cc(c,b.id))||(f=Cc(c,b.id.replace(/[a-z0-9]\./i,"."))));"string"===typeof f&&(f=null);!b.aa(f,d)&&f&&(t("Unable to restore state for "+b.type),a.C&&!a.H?(c.clear(),a.b=Fc,window&&window.location.reload()):a.F=!0,b.aa(null),e=!1)}if(!d&&b.fb)for(a=b.fb.split("|"),c=0;c<a.length;c++)b.status(a[c])}return e}
m.kb=function(a){var b=a[0],c=0>a[1];a=a[2];this.O=!0;this.h.P=!0;var d=this.B.power;d&&(d.textContent="Shutdown");this.a&&(Lc(this,this.a,b,c,a),sb(this.a));this.F&&(Kc(this,b),b.clear());!c&&this.i&&(this.i.clear(),delete this.i);this.f=0};
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function Mc(a,b,c){var d,e="none";if(a.f)return null;a.f--;var f=new K(a,"1.23.3"),h=new K(a,"1.23.3","validate"),g=ha();L(h,"timestamp",g);L(f,"timestamp",g);L(f,"version","1.23.3");L(f,"url",window?window.location.href:null);L(f,"browser",window?window.navigator.userAgent:"");a.a&&a.a.da&&(c&&tb(a.a),d=a.a.da(b,c),"object"===typeof d&&L(f,a.a.id,d),c&&(a.a.h.P=!1,!1===d&&(e=null)));for(var g=C(a.id),k=0;k<g.length;k++){var l=g[k];l.h.P&&(l.da&&(d=l.da(b,c),"object"===typeof d&&L(f,l.id,d)),c&&(l.h.P=
!1,!1===d&&(e=null)))}e&&(c?(g=d=!1,b?(a.c&&Nc(a,a.c,f.toString()),zc(h)&&zc(f)||(e=null,d=g=!0)):a.b&&(d=!0,g=3==a.b),d&&f.clear(g)):e=f.toString());c&&(a.h.P=!1,b=a.B.power)&&(b.textContent="Power");a.f=0;return e}m.reset=function(){this.m&&this.m.reset&&this.m.reset();for(var a=C(this.id),b=0;b<a.length;b++){var c=a[b];c!==this&&c!==this.m&&c.reset&&c.reset()}};m.start=function(a,b){for(var c=C(this.id),d=0;d<c.length;d++){var e=c[d];"CPU"!=e.type&&e!==this&&e.start&&e.start(a,b)}};
m.stop=function(a,b){for(var c=C(this.id),d=0;d<c.length;d++){var e=c[d];"CPU"!=e.type&&e!==this&&e.stop&&e.stop(a,b)}};
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