diff --git a/modules/pc8080/lib/video.js b/modules/pc8080/lib/video.js
index ebb4911b6..6371da919 100644
--- a/modules/pc8080/lib/video.js
+++ b/modules/pc8080/lib/video.js
@@ -599,8 +599,10 @@ Video.prototype.powerUp = function(data, fRepower)
     /*
      * Because the VT100 frame buffer can be located anywhere in RAM (above 0x2000), we must defer this
      * test code until the powerUp() notification handler is called, when all RAM has (hopefully) been allocated.
+     *
+     * TODO: Remove this display test code once the VT100 is fully operational.
      */
-    if (DEBUG && this.nFormat == Video.FORMAT.VT100) {
+    if (this.nFormat == Video.FORMAT.VT100) {
         /*
          * Build a test screen in the VT100 frame buffer; we'll mimic the "SET-UP A" screen, since it uses
          * all the font variations.  The process involves iterating over 0-based row numbers -2 (or -5 if 50Hz
diff --git a/versions/pc8080/1.23.3/pc8080-dbg.js b/versions/pc8080/1.23.3/pc8080-dbg.js
index 23fd2b9fe..6b44d1f8e 100644
--- a/versions/pc8080/1.23.3/pc8080-dbg.js
+++ b/versions/pc8080/1.23.3/pc8080-dbg.js
@@ -1,124 +1,128 @@
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-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.cb=e.requestFullscreen||e.msRequestFullscreen||e.mozRequestFullScreen||e.webkitRequestFullscreen,this.w.cb){for(c=0;c<h.length;c++)if(d=h[c]+"fullscreenchange","on"+d in document){document.addEventListener(d,function(){Ud(f,document.fullscreenElement||document.msFullscreenElement||document.mozFullScreenElement||document.webkitFullscreenElement?!0:!1)},!1);
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-this.L.getContext("2d"),this.ra={},this.za=1<<this.Qa,this.ua=Array(this.za+2),this.ua[0]=[0,0,0,255],this.ua[1]=[255,255,255,255],1==this.da&&(this.ua[this.za+0]=[255,255,0,255],this.ua[this.za+1]=[0,255,0,255]),2==this.da&&(this.hd=60,this.sb=!1,this.wa=Array(this.Ra));if(this.ca=nb(a,"Keyboard")){for(var e in this.tb)this.ca.ma("led",e,this.tb[e]);this.T&&this.ca.ma(this.kd?"textarea":"canvas","kbd",this.ya)}this.ea||E(this)};
-function Vd(a,b,c,d){if(d)a.fa("Unable to load font ROM (error "+d+": "+b+")");else{Ya(a.Qb,b,c);try{var e=eval("("+c+")"),f=e.bytes||e;if(!f||!f.length){w("Empty font ROM: "+b);return}if(1==f.length){w(f[0]);return}if(2048==f.length)Xd(a,f);else{a.fa("Unrecognized font data length ("+f.length+")");return}}catch(h){a.fa("Font ROM data error: "+h.message);return}(a.H||a.G)&&E(a)}}
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-function Yd(a,b,c,d){var e=8>=a.cd?8:16,f=8<e?15:0,h=a.ab.length/e,g=!1===d,k={la:b,ga:c};k.canvas=document.createElement("canvas");k.canvas.width=16*b;k.canvas.height=h/16*c;k.context=k.canvas.getContext("2d");for(var l=k.context.createImageData(b,c),n=0;n<h;n++){for(var p=0,v=p;p<a.ga;p++)for(var u=n*e+(f+p&e-1),u=d&&8==p?255:a.ab[u],q=0;q<c/a.ga;q++){for(var B=0,x=B;B<a.la;B++)for(var F=u&128>>(7<B?7:B),y=0;y<b/a.la;y++)g&&(F=!F),Zd(a,l,x,v,F?1:0),x++;v++}k.context.putImageData(l,(n&15)*b,(n>>
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-Rd.prototype.cb=function(){var a=!1;if(this.w){if(this.w.cb){a="100%";if(screen&&screen.width&&screen.height){var b=screen.width/screen.height,c=this.Y/this.W;b>c&&(a=Math.round(c/b*100)+"%")}this.fc?(this.T.style.width=a,this.T.style.width=a,this.T.style.display="block",this.T.style.margin="auto"):(this.w.style.width=a,this.w.style.height="auto");this.w.style.backgroundColor="black";this.w.cb();a=!0}this.ya&&this.ya.focus()}return a};
-function Ud(a,b){!b&&a.w&&(a.fc?a.T.style.width=a.T.style.height="":a.w.style.width=a.w.style.height="");cb(a,"notifyFullScreen("+b+")",!0)}function Wd(a,b){a.hc=b;a.xa=!1;if(void 0===a.qa||a.qa.length!=a.hc)a.qa=Array(a.hc)}function Zd(a,b,c,d,e){d=a.F?(b.height-c-1)*b.width+d:c+d*b.width;e&&1==a.da&&(208<=c&&236>c?e=a.za+0:28<=c&&72>c&&(e=a.za+1));a=a.ua[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]}
-Ha(function(){for(var a=C(document,"pc8080","video"),b=0;b<a.length;b++){var c=a[b],d=A(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<=pa().indexOf("MSIE")&&(c.onresize=function(a,b,c,d){return function(){b.style.height=
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+function Ed(a){if(!lb(a))if(!a.F)F(a);else if(a.u&&a.w){a.C||(a.C=a.u.length);if(a.u.length!=a.C)mb(a,"ROM size (0x"+q(a.u.length)+") does not match specified size ("+("0x"+q(a.C))+")");else if(Fd(a,a.H)){var b=[];"number"==typeof a.A?b.push(a.A):null!=a.A&&a.A.length&&(b=a.A);for(var c=0;c<b.length;c++){for(var d=a,e=b[c],f=d.w,h=d.C,g=[],k=d.H>>>f.ja;0<h&&k<f.U.length;)g.push(f.U[k++]),h-=f.Ba;f=d.w;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.Ba}}delete a.u}F(a)}}
+function Fd(a,b){if(ub(a.w,b,a.C,a.I?1:Vb)){var c;for(c=0;c<a.u.length;c++)zb(a.w,b+c,a.u[c]);if(a.I&&256==b){for(c=0;c<Dd.length;c++)zb(a.w,Dd[c],118);Gc(a.b,function(a){return function(b){if(0<=Dd.indexOf(b)){var c=!1,h=a.b,g=a.G;if(5==b)switch(c=!0,h.O){case 2:Gd(a,String.fromCharCode(h.R));break;case 9:for(var k=Mc(h),l="",n=255;n--;){var p=a.b.X(k++);if(36==p)break;l+=String.fromCharCode(p)}Gd(a,l);break;default:c=!1}c?xd.call(h):g&&(a.g("\nCP/M vector "+r(b)),H(h,b),g.ia());b=!0}else b=!1;return b}}(a));
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+m.reset=function(){!this.u&&this.C&&ub(this.w,this.A,this.C,1)&&(this.u=!0);this.u||v("No RAM allocated")};m.save=function(){return null};m.restore=function(){return!0};Ja(function(){for(var a=C(document,"pc8080","ram"),b=0;b<a.length;b++){var c=a[b],d=B(c),d=new Hd(d);db(d,c)}});function X(a){y.call(this,"Keyboard",a,X,65536);this.reset();F(this)}Za(X);
+var Id={Oa:{va:130,zc:1,yc:2,xc:4,wc:8,Ac:16,Xb:32,Qd:64,md:128}},Jd={"1p":49,"2p":50,coin:51,left:37,right:39,fire:32},Kd={65:37,68:39,76:32},Ld={l4:Id.Oa.zc,l3:Id.Oa.yc,l2:Id.Oa.xc,l1:Id.Oa.wc,locked:Id.Oa.Ac,online:Id.Oa.Xb,local:~Id.Oa.Xb};
+X.prototype.ma=function(a,b,c){var d=this,e=a+"-"+b;if(void 0===this.K[e]){if("led"==a&&Ld[b])return this.K[e]=c,!0;switch(b){case "kbd":return c.onkeydown=function(a){return Md(d,a,!0)},c.onkeyup=function(a){return Md(d,a,!1)},!0;default:if(void 0!==Jd[b])return this.K[e]=c,a=function(a,b){return function(){Nd(a,b,!0)}}(this,b),b=function(a,b){return function(){Nd(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};
+X.prototype.Ma=function(a,b,c,d){this.G=d;this.C=qb(a,"ChipSet");this.Ha=this.C.Ha;switch(this.Ha){case V.Ea:this.A=Id}this.A&&(Bb(b,this,this.A.Kb),Fb(b,this,this.A.Lb))};X.prototype.Ca=function(a,b){if(!b)if(!a)this.reset();else if(!this.restore(a))return!1;return!0};X.prototype.Ia=function(a){return a?this.save():!0};Id.Ua=[[0]];X.prototype.reset=function(){this.u={};this.b={};this.A&&!this.restore(this.A.Ua)&&this.fa("reset error")};
+X.prototype.save=function(){var a=new I(this);switch(this.Ha){case V.Ea:J(a,0,[this.w])}return a.data()};X.prototype.restore=function(a){var b;if(a&&(b=a[0])&&b.length)switch(this.Ha){case U.Ea:return!0;case V.Ea:return this.w=b[0],Od(this),!0}return!1};function Od(a){for(var b in Ld){var c=a.K["led-"+b];if(c){var d=Ld[b],e=!!(a.w&d);d&d-1&&(e=!(a.w&~d));c.style.backgroundColor=e?"#ff0000":"#000000"}}}
+function Md(a,b,c){var d=!0,e;a:{e=b.keyCode;e=Kd[e]||e;for(var f in Jd)if(Jd[f]===e){e=f;break a}e=null}e&&(d=Nd(a,e,c),b.preventDefault());return d}
+function Nd(a,b,c){if(c)a.u[b]=Date.now(),delete a.b[b];else{var d=a.u[b];if(d&&100>Date.now()-d)return a.b[b]=d,Pd(a),!0;delete a.u[b]}if(a.C)switch(b){case "1p":Ad(a.C,U.Pa.Ec,c);break;case "2p":Ad(a.C,U.Pa.Ic,c);break;case "coin":Ad(a.C,U.Pa.tc,c);break;case "left":Ad(a.C,U.Pa.Gc,c);break;case "right":Ad(a.C,U.Pa.Hc,c);break;case "fire":Ad(a.C,U.Pa.Fc,c)}return!0}
+function Pd(a){for(var b=-1,c=Object.keys(a.b),d=0;d<c.length;d++){var e=c[d],f=100-(Date.now()-a.b[e]);if(0<f){if(0>b||b>f)b=f}else delete a.b[e],Nd(a,e,!1)}0<=b&&setTimeout(function(){Pd(a)},b)}X.prototype.F=function(a,b,c){D(this,a,b,c,"KBDUART.STATUS",null);this.w=b;Od(this)};Id.Kb={};Id.Lb={130:X.prototype.F};Ja(function(){for(var a=C(document,"pc8080","keyboard"),b=0;b<a.length;b++){var c=a[b],d=B(c),d=new X(d);db(d,c)}});
+function Qd(a,b,c,d,e){var f=this;this.fc=xa("Gecko/");var h=["","moz","ms","webkit"];y.call(this,"Video",a,Qd,262144);this.aa=a.screenWidth;this.W=a.screenHeight;this.ya=a.bufferAddr;this.gd=a.bufferRAM;var g=a.bufferFormat;this.Y=g&&Rd[g.toLowerCase()]||Sd;this.Ra=a.bufferCols;this.ea=a.bufferRows;this.dd=this.la=a.cellWidth||1;this.ga=a.cellHeight||1;this.ab=null;this.Qa=a.bufferBits||1;this.hd=a.bufferLeft||0;if(this.F=a.bufferRotate)this.F=this.F%360,0<this.F&&(this.F-=360),-90!=this.F&&(this.fa("unsupported buffer rotation: "+
+this.F),this.F=0);this.mc=a.interruptRate;this.jd=a.refreshRate||60;this.T=b;this.H=c;this.Fa=(this.kd=d)||b||null;this.ed=this.aa;this.fd=this.W;this.Hb=this.aa/this.Ra|0;this.ec=this.W/this.ea|0;1<this.ga&&this.ea++;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.fa("unsupported screen rotation: "+
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+!1);break}for(c=0;c<h.length;c++)if(d=h[c]+"fullscreenerror","on"+d in document){document.addEventListener(d,function(){Td(f,null)},!1);break}}if(this.oa=a.fontROM)"json"!=da(this.oa)&&(this.oa=qa()+"/api/v1/dump?file="+this.oa+"&format=bytes"),oa(this.oa,null,!0,function(a,b,c){Ud(f,a,b,c)});this.tb={}}Za(Qd);var Sd=0,Rd={vt100:2};
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+function Ud(a,b,c,d){if(d)a.fa("Unable to load font ROM (error "+d+": "+b+")");else{ab(a.Qb,b,c);try{var e=eval("("+c+")"),f=e.bytes||e;if(!f||!f.length){v("Empty font ROM: "+b);return}if(1==f.length){v(f[0]);return}if(2048==f.length)Wd(a,f);else{a.fa("Unrecognized font data length ("+f.length+")");return}}catch(h){a.fa("Font ROM data error: "+h.message);return}(a.H||a.G)&&F(a)}}
+function Wd(a,b){a.ab=b;a.ua[96]=[Xd(a,a.la,a.ga),Xd(a,a.la,a.ga,a.sb)];a.ua[64]=[Xd(a,2*a.la,a.ga),Xd(a,2*a.la,a.ga,a.sb)];a.ua[32]=a.ua[0]=[Xd(a,2*a.la,2*a.ga),Xd(a,2*a.la,2*a.ga,a.sb)]}
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-function uf(a,b){switch(b[1]){case "8080":a.style=ae;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.jb=c;break;case "start":a.b.i.vb=c;break;case "stop":a.b.i.lb=c;break;default:a.g("unknown cs option");return}void 0!==c&&hc(a.b);a.g("checksums "+(a.b.B.fb?"enabled":"disabled"));return;case "sp":void 0!==b[2]&&(xc(a.b,+b[2])||a.g("warning: using 1x multiplier, previous target not reached"));a.g("target speed: "+(a.b.i.Wa.toFixed(2)+"Mhz")+
+function se(a,b,c){var d;if(b){b=re(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=ja(n);if(!n){f=!0;break}n=mf(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++],x=n.length;k.length&&kf[n]<kf[k[k.length-1]]&&lf(g,k,1);k.push(n);b=b.substr(p+x)}lf(g,k)&&1==g.length||(f=!0);f?c&&a.g("error parsing '"+h+"' at character "+(h.length-b.length)):(d=g.pop(),c&&nf(a,null,
+d))}return d}function re(a,b){for(var c;(c=b.match(/\{(.*?)}/))&&!(0<=c[1].indexOf("{"));){var d=se(a,c[1]);b=b.replace("{"+c[1]+"}",null!=d?q(d):"undefined")}for(;(c=b.match(/\[(.*?)]/))&&!(0<=c[1].indexOf("["));)d=ne(a,c[1]),b=b.replace("["+c[1]+"]",d?q(a.Na(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.za}if(null==e)break;c=c.replace(d[0],e.toString())}return c}
+function mf(a,b,c,d){var e;void 0!==b?(e=we(b),0<=e?e=ye(a,e):(e=a.oa[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 nf(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 of(a,b){if(b)return nf(a,b,a.oa[b]);var c=0;for(b in a.oa)nf(a,b,a.oa[b]),c++;return 0<c}$d.prototype.Ra=function(a,b){return a[0]>b[0]?1:a[0]<b[0]?-1:0};
+function pf(a,b,c){var d=[],e=me(b)>>>0;for(b=0;b<a.I.length;b++){var f=a.I[b],h=f.D>>>0,g=f.Tc;if(e>=h&&e<h+g){e=ka(f.Yb,[e-h],a.Ra);0<=e?qf(a,b,e,d):c&&(e=~e,qf(a,b,e-1,d),qf(a,b,e,d));break}}return d}function qf(a,b,c,d){var e={},f=a.I[b].Yb,h=0,g=null;0<=c&&c<f.length&&(h=f[c][0],g=f[c][1]);g&&(e=a.I[b].La[g],g="."==g.charAt(0)?null:e.l||g);d.push(g);d.push(h);d.push(e.a);d.push(e.c)}
+function rf(a,b){if("?"==b)a.g("frequency commands:"),a.g("\tclear\tclear all frequency counts");else{var c,d=0;if(a.J)if("clear"==b){for(c=0;c<a.J.length;c++)a.J[c]=[c,0];a.g("frequency data cleared");d++}else if(void 0!==b)a.g("unknown frequency command: "+b),d++;else{var e=a.J.slice();e.sort(function(a,b){return b[1]-a[1]});var f=8086!=a.style?ge:he;for(c=0;c<e.length;c++){var h=e[c][0],g=e[c][1];g&&(a.g((f[a.Qa[h][0]]+"  ").substr(0,5)+" ("+("0x"+q(h,2))+"): "+g+" times"),d++)}}d||a.g("no frequency data available")}}
+function sf(a,b){var c=b.match(/^\s*([A-Z_]?[A-Z0-9_]*)\s*(=?)\s*(.*)$/i);if(c){if(!c[1])return of(a)||a.g("no variables"),!0;if(!c[2])return of(a,c[1]);if(!c[3])return delete a.oa[c[1]],!0;var d=se(a,c[3]);return void 0!==d?(a.oa[c[1]]=d,!0):!1}a.g("invalid assignment:"+b);return!1}
+function tf(a,b,c){var d=null;if(b=ne(a,b,!0)){var e=pf(a,b,!0);if(e.length){var f,h;e[0]&&(h="",(f=b.D-e[1])&&(h=" + "+r(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=" - "+r(f)),f=e[4]+" ("+Z(e[5])+")"+h,c&&a.g(f),d||(d=f))}else c&&a.g("no symbols")}return d}
+function uf(a,b){switch(b[1]){case "8080":a.style=ae;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.jb=c;break;case "start":a.b.i.vb=c;break;case "stop":a.b.i.lb=c;break;default:a.g("unknown cs option");return}void 0!==c&&jc(a.b);a.g("checksums "+(a.b.B.fb?"enabled":"disabled"));return;case "sp":void 0!==b[2]&&(zc(a.b,+b[2])||a.g("warning: using 1x multiplier, previous target not reached"));a.g("target speed: "+(a.b.i.Wa.toFixed(2)+"Mhz")+
 " ("+a.b.i.Ya+"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 Be(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=se(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.ha=g&65535;break;case "PC":H(d,g);a.W=W(d.M);break;case "PS":Fc(d,g);break;case "PSW":Fc(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?Qc(d)||(d.ba^=1):Qc(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?Tc(d)||(d.ba^=192):Tc(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}ic(d);a.g("updated registers:")}a.g(jf(a));c&&(a.W=W(d.M),Ce(a,X(a.W.D)))}}function vf(a,b){b=ia(b);var c=b.match(/^(['"])(.*?)\1$/);c?a.g(ze(a,c[2])):se(a,b,!0)}function wf(a,b,c){var d="t"!=b;c=mf(a,c,null,!0)||1;var e=1==c?0:1;"tc"==b&&(e=c,c=1);xa(c,function(){return eb(a,!0)&&a.pb(e,d,!1)},function(){ic(a.b);eb(a,!1)})}
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-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 F=0,F=F+df(a,a.C),F=F+df(a,a.Y);(F+=df(a,a.H))||a.g("no breakpoints")}else if("n"==x)a.wa=mf(a,q),a.g("break after "+a.wa+" instruction(s)");else if(void 0===q)a.g("missing breakpoint address");else{var y=W();if("*"!=q&&(y=ne(a,q,!0),!y))break a;q=t(y.D);"c"==x?null==y.D?(be(a),a.g("all breakpoints cleared")):Ee(a,a.C,y)||Ee(a,a.Y,y)||
-Ee(a,a.H,y)||a.g("breakpoint missing: "+X(y.D)):"i"==x?a.g("breakpoint "+(xb(a.A,y.D)?"enabled":"cleared")+": port "+q+" (input)"):"o"==x?a.g("breakpoint "+(Bb(a.A,y.D)?"enabled":"cleared")+": port "+q+" (output)"):null!=y.D&&(te(a,y,B),"p"==x?a.Sa(a.C,y):"r"==x?a.Sa(a.Y,y):"w"==x?a.Sa(a.H,y):a.g("unknown breakpoint command: "+x))}}}break;case "c":a.Aa&&(a.Aa.value="");break;case "d":a:{var R,Y=f[0],V=f[1],sa=f[2],Hb=f[3];if("?"==V){var Ba="";for(R in ke)a.Fa[R]&&(Ba&&(Ba+=","),Ba+=R);Ba+=",state,symbols";
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-(jb=1E5,ed=["CALL"]);for(void 0!==Ke&&a.g(fa+" instructions earlier:");0<jb&&Z!=a.ra;){var Oe=Ca[Z++];if(null==Oe.D)break;var Ib=W(Oe.D),Rf=fa--,Pe=ff(a,Ib,"history",Rf);(!ed.length||0<=Pe.indexOf(ed[0]))&&a.g(Pe);Ib.Nb&&(Z+=Ib.Nb,jb-=Ib.Nb,fa-=Ib.Nb);Z>=Ca.length&&(Z=0);a.bb=fa;Ne++;jb--}}Ne||(a.g("no "+Me+"history available"),a.bb=void 0)}else{var lc=ne(a,V);if(lc){var mc=0;sa&&("l"==sa.charAt(0)&&(sa=sa.substr(1)||Hb),mc=mf(a,sa)>>>0,65536<mc&&(mc=65536));for(var Ta="",nc="dd"==Y?4:"dw"==Y?2:1,
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+function Ef(a,b,c){y.call(this,"Computer",a,Ef,67108864);this.B.pa=!1;Ff(this,b);this.aa=hc(this,"autoPower",a);this.A=0;this.oa=a.busWidth||a.buswidth;this.u=Gf;this.W=null;this.J=this.ea=!1;this.ra=hc(this,"url")||"";(Math.random()+.1).toString(36);this.C=Hf(this);if(this.b=cb("CPU",this.id)){this.G=cb("Debugger",this.id);this.I=[];for(b=null;b=qb(this,"Video",b);)this.I.push(b);this.w=new sb({id:this.Qb+".bus",busWidth:this.oa},this.b,this.G);var d,e=bb(this.id);if((this.F=cb("Panel",this.id))&&
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+m.zb=function(a){void 0===a&&(a=this.u||(this.W?1:Gf));if(!this.A){this.A++;var b=!1,c=!1;this.da=!1;var d=this.Y||new I(this,"1.23.3");if(-1==a)b=!0;else if(a>Gf){if(Cf(d,this.W)){this.H=new I(this,"1.23.3","failsafe");Cf(this.H)&&(Lf(this,d),a=2,zf(this.H));J(this.H,"timestamp",ma());Af(this.H);var e=this.u&&!this.J;if(1==a||sa("Click OK to restore the previous PC8080 machine state, or CANCEL to reset the machine.")){if(c=Bf(d)){var f=Df(d,"code"),h=Df(d,"data");f&&("ok"==f?Cf(d,h):("error"==f&&
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+function Lf(a,b){if(sa("There may be a problem with your PC8080 machine.\n\nTo help us diagnose it, click OK to send this PC8080 machine state to http://www.pcjs.org.")){var c=a.C||"",d=b.toString(),e={app:"PC8080",ver:"1.23.3"};e.url=a.ra;e.user=c;e.type="bug";e.data=d;oa("http://www.pcjs.org/api/v1/report",e,!0)}}
+function xf(a,b,c){var d,e="none";if(a.A)return null;a.A--;var f=new I(a,"1.23.3"),h=new I(a,"1.23.3","validate"),g=ma();J(h,"timestamp",g);J(f,"timestamp",g);J(f,"version","1.23.3");J(f,"url",window?window.location.href:null);J(f,"browser",ra());a.b&&a.b.Ia&&(c&&a.b.ia(),d=a.b.Ia(b,c),"object"===typeof d&&J(f,a.b.id,d),c&&(a.b.B.pa=!1,!1===d&&(e=null)));for(var g=bb(a.id),k=0;k<g.length;k++){var l=g[k];l.B.pa&&(l.Ia&&(d=l.Ia(b,c),"object"===typeof d&&J(f,l.id,d)),c&&(l.B.pa=!1,!1===d&&(e=null)))}e&&
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diff --git a/versions/pc8080/1.23.3/pc8080.js b/versions/pc8080/1.23.3/pc8080.js
index 6d13764e9..c1ebedeb3 100644
--- a/versions/pc8080/1.23.3/pc8080.js
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