diff --git a/docs/pcjs/demos/pc-dbg.js b/docs/pcjs/demos/pc-dbg.js
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 function en(a){var b,c=a.C;a.Ge=!1;var d=c.Yd[5];if(null!=d){b=1024;var e=0,f=c.Yd[3]&31;switch(d&3){case 0:if(f){e=32;switch(f&24){case 8:e=96;break;case 16:e=160;break;case 24:e=224}c.ed=f&7}break;case 1:e=1;break;case 2:switch(f&24){default:e=2;break;case 8:e=98;break;case 16:e=162;break;case 24:e=226}break;case 3:a.nb==Dl&&(e=3,c.ed=f&7)}d&8&&(b=1280);c=c.Ie[4];null!=c&&(c&4||(b|=4096,e|=16),d&64&&(c&8&&(b|=16384,e|=4),a.Ge=!0));b|=e}return b}
@@ -1185,22 +1185,22 @@ tq(a,g[1],!0);if(B)if(a.Ba=B,void 0===g[2])a.U("begin assemble at "+mq(B)),a.Ma=
 a.U("\tbc [a]\tclear breakpoint at addr [a]"),a.U("\tbl\tlist all breakpoints"),a.U("\tbn [n]\tbreak after [n] instruction(s)");else{var V=U.charAt(1);if("l"==V){var Y=0,Y=Y+Kq(a,a.A),Y=Y+Kq(a,a.za);(Y+=Kq(a,a.la))||a.U("no breakpoints")}else if("n"==V)a.Va=Zp(a,F),a.U("break after "+a.Va+" instruction(s)");else if(void 0===F)a.U("missing breakpoint address");else{var ha={};if("*"!=F&&(ha=tq(a,F,!0,!0),!ha))break a;F=null==ha.Xa?F:ia(ha.Xa);"c"==V?null==ha.Xa?(Ep(a),a.U("all breakpoints cleared")):
 lq(a,a.A,ha)||lq(a,a.za,ha)||lq(a,a.la,ha)||a.U("breakpoint missing: "+mq(ha)):"i"==V?a.U("breakpoint "+(mc(a.ja,ha.Xa)?"enabled":"cleared")+": port "+F+" (input)"):"o"==V?a.U("breakpoint "+(qc(a.ja,ha.Xa)?"enabled":"cleared")+": port "+F+" (output)"):null!=ha.Xa&&(wq(a,ha,O),"p"==V?a.Nd(a.A,ha):"r"==V?a.Nd(a.za,ha):"w"==V?a.Nd(a.la,ha):a.U("unknown breakpoint command: "+V))}}}break;case "c":$q(a);break;case "d":a:{var da=g,eb,va=da[0],oa=da[1],Oa=da[2],ab=da[3];if("?"==oa){var Ja="";for(eb in Rp)a.ib[eb]&&
 (Ja&&(Ja+=","),Ja+=eb);Ja+=",state,symbols";a.U("dump memory commands:");a.U("\tdb [a] [#]    dump # bytes at address a");a.U("\tdw [a] [#]    dump # words at address a");a.U("\tdd [a] [#]    dump # dwords at address a");a.U("\tdh [#] [#]    dump # instructions from history");a.U("\tds [#]        dump descriptor info for selector #");Ja.length&&a.U("dump extension commands:\n\t"+Ja)}else if("state"==oa){var Vb=hr(a.ia,!0);"console"==Oa?console.log(Vb):($q(a),a.U(Vb))}else if("symbols"==oa)for(var Da=
-0;Da<a.C.length;Da++){var Ud=a.C[Da],Uc;for(Uc in Ud.Md)if("."!=Uc.charAt(0)){var Vd=Ud.Md[Uc],Ie=Vd.o;if(void 0!==Ie){var Wd=Vd.s;void 0===Wd&&(Wd=Ud.ga);var Je=Ud.Md[Uc].l;Je&&(Uc=Je);a.U(eq(Ie,Wd)+" "+Uc)}}}else{if("ds"==va||"dg"==va||"dl"==va)va="d",da=[va,"desc",oa];"d"==va&&"page"==oa&&(va="dp",da.shift());if("dp"==va){da.shift();var ki=da[0];if(ki){var Ve=a.ic(tq(a,ki));if(-1===Ve)a.U("invalid address: "+ki);else{var ae,La=null;if(80386<=a.M.na){var be=a.ja,La={};La.ek=(Ve&-4194304)>>>20;La.zi=
-a.M.Ld+La.ek;La.Db=be.ya[(La.zi&be.Mb)>>>be.Pa];La.Xi=La.Db.Xd(La.ek);La.fk=(Ve&4190208)>>>10;La.Ai=(La.Xi&-4096)+La.fk;La.Eb=be.ya[(La.Ai&be.Mb)>>>be.Pa];La.Yi=La.Eb.Xd(La.fk);La.Lk=(La.Yi&-4096)+(Ve&4095)}if(ae=La){a.U("linear     PDE addr   PDE             PTE addr   PTE             physical");a.U("---------  ---------- --------        ---------- --------        ----------");var td="%"+l(Ve),td=td+("  %%"+yq(ae.zi,ae.Xi)),td=td+("  %%"+yq(ae.Ai,ae.Yi,!0)),td=td+("  %%"+l(ae.Lk));a.U(td)}else a.U("unsupported operation")}}else a.U("missing address")}else{if("d"==
+0;Da<a.C.length;Da++){var Ud=a.C[Da],Uc;for(Uc in Ud.Md)if("."!=Uc.charAt(0)){var Vd=Ud.Md[Uc],He=Vd.o;if(void 0!==He){var Wd=Vd.s;void 0===Wd&&(Wd=Ud.ga);var Ie=Ud.Md[Uc].l;Ie&&(Uc=Ie);a.U(eq(He,Wd)+" "+Uc)}}}else{if("ds"==va||"dg"==va||"dl"==va)va="d",da=[va,"desc",oa];"d"==va&&"page"==oa&&(va="dp",da.shift());if("dp"==va){da.shift();var ki=da[0];if(ki){var Ue=a.ic(tq(a,ki));if(-1===Ue)a.U("invalid address: "+ki);else{var ae,La=null;if(80386<=a.M.na){var be=a.ja,La={};La.ek=(Ue&-4194304)>>>20;La.zi=
+a.M.Ld+La.ek;La.Db=be.ya[(La.zi&be.Mb)>>>be.Pa];La.Xi=La.Db.Xd(La.ek);La.fk=(Ue&4190208)>>>10;La.Ai=(La.Xi&-4096)+La.fk;La.Eb=be.ya[(La.Ai&be.Mb)>>>be.Pa];La.Yi=La.Eb.Xd(La.fk);La.Lk=(La.Yi&-4096)+(Ue&4095)}if(ae=La){a.U("linear     PDE addr   PDE             PTE addr   PTE             physical");a.U("---------  ---------- --------        ---------- --------        ----------");var ud="%"+l(Ue),ud=ud+("  %%"+yq(ae.zi,ae.Xi)),ud=ud+("  %%"+yq(ae.Ai,ae.Yi,!0)),ud=ud+("  %%"+l(ae.Lk));a.U(ud)}else a.U("unsupported operation")}}else a.U("missing address")}else{if("d"==
 va){if("disk"==oa){da[0]="l";da[1]="json";dr(a,da);break a}for(eb in Rp)if(da[1]==eb){var gn=a.ib[eb];gn?(da.shift(),da.shift(),gn(da)):a.U("no dump registered for "+oa);break a}oa||(va=a.Lc||"db")}else a.Lc=va;if("dh"==va){var hn=oa,jn=Oa,kn="",ln=0,tb=a.Oa,wc=a.qa;if(wc.length){var Eb=+hn||a.Zb,ce=+jn||10;isNaN(Eb)?Eb=ce:kn="more ";Eb>wc.length&&(a.U("note: only "+wc.length+" available"),Eb=wc.length);tb-=Eb;0>tb&&(null==wc[wc.length-1].ga?(Eb=tb+Eb,tb=0):tb+=wc.length);var li=[];"call"==jn&&(ce=
 1E5,li=["CALL"]);for(void 0!==hn&&a.U(Eb+" instructions earlier:");0<ce&&tb!=a.Oa;){var ub=wc[tb++];if(null==ub.ga)break;var ub=Dp(a,ub.Xa,ub.ga,ub.Ia,ub.type,ub.Xb,ub.rc),mn=Mq(a,ub,"history",Eb--);(!li.length||0<=mn.indexOf(li[0]))&&a.U(mn);ub.Re&&(tb+=ub.Re,ce-=ub.Re,Eb-=ub.Re);tb>=wc.length&&(tb=0);a.Zb=Eb;ln++;ce--}}ln||(a.U("no "+kn+"history available"),a.Zb=void 0)}else if("di"==va)da.shift(),a.U("no information");else{var de=tq(a,oa);if(de&&(null!=de.ga||null!=de.Ia)){var sg=0;Oa&&("l"==Oa.charAt(0)&&
-(Oa=Oa.substr(1)||ab),sg=Zp(a,Oa)>>>0,65536<sg&&(sg=65536));for(var ud="",Ar=(sg||128)+15>>4||1,mi="dd"==va?4:"dw"==va?2:1,nn=0;nn<Ar;nn++){for(var tg=0,ni=0,We="",oi="",oa=mq(de),pi=0;16>pi;pi++){var ug=a.Wa(de,1),tg=tg|ug<<(ni++<<3);ni==mi&&(We+=l(tg,2*mi),We+=1==mi?7==pi?"-":" ":"  ",tg=ni=0);oi+=32<=ug&&128>ug?String.fromCharCode(ug):"."}ud&&(ud+="\n");ud+=oa+"  "+We+" "+oi}ud&&a.U(ud);a.Jb=de}}}}}break;case "e":if("else"==g[0])break;var vg=1,on=255,pn=a.Wa,qn=a.tc;"ew"==g[0]&&(vg=2,on=65535,
-pn=a.va,qn=a.pb);var rn=vg<<1,sn=g[1];if(null==sn)a.U("edit memory commands:"),a.U("\teb [a] [...]  edit bytes at address a"),a.U("\tew [a] [...]  edit words at address a");else{var wg=tq(a,sn);if(wg)for(var xg=2;xg<g.length;xg++){var Xe=vq(a,g[xg]);if(void 0===Xe){a.U("unrecognized value: "+g[xg]);break}Xe&~on&&a.U("warning: "+l(Xe)+" exceeds "+vg+"-byte value");var Br=pn.call(a,wg);a.U("changing "+mq(wg)+" from 0x"+l(Br,rn)+" to 0x"+l(Xe,rn));qn.call(a,wg,Xe,vg)}}break;case "f":ar(a,g[1]);break;
-case "g":a:{var tn=g[1],Cr=b;"gt"==g[0]&&(a.lb=!0);if(void 0!==tn){var qi=tq(a,tn,!0);if(!qi)break a;wq(a,qi,Cr);a.Nd(a.A,qi,!0)}a.Je(!0)||c||a.U("cpu busy or unavailable, run command ignored")}break;case "h":var ri;a.ra.Ob?(ri="halting",a.bc()):ri="already halted";c||a.U(ri);break;case "i":if("if"==g[0]){var si;var Ye=b.substr(2),Ye=qa(Ye);vq(a,Ye)?(c||a.U("true: "+Ye),si=!0):(c||a.U("false: "+Ye),si=!1);si||(d=!1);break}if("int"==g[0]){var yg;a:switch(Zp(a,g[1])){case 19:Yj(a,19,a.M.Na,!0);a.Ha=
-a.wa;yg=!0;break a;case 33:Yj(a,33,a.M.Na,!0);a.Ha=a.wa;yg=!0;break a;default:yg=!1}yg||(d=!1);break}var ti=g[1];if(ti&&"?"!=ti){var ui=Zp(a,ti);if(void 0!==ui){var Dr=oc(a.ja,ui,1);a.U(ia(ui)+": "+ga(Dr))}}else a.U("input commands:"),a.U("\ti [p]\tread port [p]"),a.U("warning: port accesses can affect hardware state");break;case "k":var Er=g[0];if("?"==g[1])a.U("stack trace commands:"),a.U("\tk\tshow frame addresses"),a.U("\tks\tshow symbol information");else{var vi=0,un=a.M.Ca.ga,Ze=Dp(a),Wc=Dp(a,
-u(a.M),a.M.Aa.ga);for(a.U("stack trace for "+mq(Wc));10>vi;){for(var xc=null,Fr=256;Wc.Xa>>>0<a.M.Mg>>>0;){Ze.Xa=a.vb(Wc,!0);if(null==Wc.Ia||!Fr--)break;Ze.ga=un;if(xc=fr(a,Ze))break;Ze.ga=a.vb(Wc);if(xc=fr(a,Ze,!0)){un=a.vb(Wc,!0);0<xc.indexOf("INT")&&a.vb(Wc,!0);break}}if(!xc||null==xc)break;var vn=null;if("ks"==Er){var wn=xc.match(/[0-9A-F]+$/);wn&&(vn=cr(a,wn[0]))}xc=pa(xc,50)+"  ;"+(vn||"stack="+mq(Wc));a.U(xc);vi++}vi||a.U("no return addresses found")}break;case "l":if("ln"==g[0]){cr(a,g[1],
-!0);break}dr(a,g);break;case "m":if("mouse"==g[0]){var wi=g[1],zg=g[2];if(a.Y){var xn=1;"-"==zg.charAt(0)&&(xn=-1,zg=zg.substr(1));var vd=Zp(a,zg,wi);if(void 0!==vd)switch(vd=vd*xn|0,wi){case "x":a.Y.Ff(vd,0);break;case "y":a.Y.Ff(0,vd);break;case "click":a.Y.ge(vd,!0);a.Y.ge(vd,!1);break;default:a.U("unknown action: "+wi)}}else a.U("no mouse");break}a:{var yc,zc=null,Va=g[1];"?"==Va&&(Va=void 0);if(void 0!==Va){var wd=0;if("all"==Va)wd=1610481663,Va=null;else if("on"==Va)zc=!0,Va=null;else if("off"==
-Va)zc=!1,Va=null;else{"keys"==Va&&(Va="key");"kbd"==Va&&(Va="keyboard");for(yc in Rp)if(Va==yc){wd=Rp[yc];zc=!!(a.wc&wd);break}if(!wd){a.U("unknown message category: "+Va);break a}}wd&&("on"==g[2]?(a.wc|=wd,zc=!0):"off"==g[2]&&(a.wc&=~wd,zc=!1))}var Gr=0,Xc="";for(yc in Rp)if(!Va||Va==yc){var Hr=!!(a.wc&Rp[yc]);if(null===zc||zc==Hr)Xc&&(Xc+=","),++Gr%10||(Xc+="\n\t"),"key"==yc&&(yc="keys"),Xc+=yc}void 0===Va&&a.U("message commands:\n\tm [category] [on|off]\tturn categories on/off");a.U((null!==zc?
+(Oa=Oa.substr(1)||ab),sg=Zp(a,Oa)>>>0,65536<sg&&(sg=65536));for(var vd="",Ar=(sg||128)+15>>4||1,mi="dd"==va?4:"dw"==va?2:1,nn=0;nn<Ar;nn++){for(var tg=0,ni=0,Ve="",oi="",oa=mq(de),pi=0;16>pi;pi++){var ug=a.Wa(de,1),tg=tg|ug<<(ni++<<3);ni==mi&&(Ve+=l(tg,2*mi),Ve+=1==mi?7==pi?"-":" ":"  ",tg=ni=0);oi+=32<=ug&&128>ug?String.fromCharCode(ug):"."}vd&&(vd+="\n");vd+=oa+"  "+Ve+" "+oi}vd&&a.U(vd);a.Jb=de}}}}}break;case "e":if("else"==g[0])break;var vg=1,on=255,pn=a.Wa,qn=a.tc;"ew"==g[0]&&(vg=2,on=65535,
+pn=a.va,qn=a.pb);var rn=vg<<1,sn=g[1];if(null==sn)a.U("edit memory commands:"),a.U("\teb [a] [...]  edit bytes at address a"),a.U("\tew [a] [...]  edit words at address a");else{var wg=tq(a,sn);if(wg)for(var xg=2;xg<g.length;xg++){var We=vq(a,g[xg]);if(void 0===We){a.U("unrecognized value: "+g[xg]);break}We&~on&&a.U("warning: "+l(We)+" exceeds "+vg+"-byte value");var Br=pn.call(a,wg);a.U("changing "+mq(wg)+" from 0x"+l(Br,rn)+" to 0x"+l(We,rn));qn.call(a,wg,We,vg)}}break;case "f":ar(a,g[1]);break;
+case "g":a:{var tn=g[1],Cr=b;"gt"==g[0]&&(a.lb=!0);if(void 0!==tn){var qi=tq(a,tn,!0);if(!qi)break a;wq(a,qi,Cr);a.Nd(a.A,qi,!0)}a.Je(!0)||c||a.U("cpu busy or unavailable, run command ignored")}break;case "h":var ri;a.ra.Ob?(ri="halting",a.bc()):ri="already halted";c||a.U(ri);break;case "i":if("if"==g[0]){var si;var Xe=b.substr(2),Xe=qa(Xe);vq(a,Xe)?(c||a.U("true: "+Xe),si=!0):(c||a.U("false: "+Xe),si=!1);si||(d=!1);break}if("int"==g[0]){var yg;a:switch(Zp(a,g[1])){case 19:Yj(a,19,a.M.Na,!0);a.Ha=
+a.wa;yg=!0;break a;case 33:Yj(a,33,a.M.Na,!0);a.Ha=a.wa;yg=!0;break a;default:yg=!1}yg||(d=!1);break}var ti=g[1];if(ti&&"?"!=ti){var ui=Zp(a,ti);if(void 0!==ui){var Dr=oc(a.ja,ui,1);a.U(ia(ui)+": "+ga(Dr))}}else a.U("input commands:"),a.U("\ti [p]\tread port [p]"),a.U("warning: port accesses can affect hardware state");break;case "k":var Er=g[0];if("?"==g[1])a.U("stack trace commands:"),a.U("\tk\tshow frame addresses"),a.U("\tks\tshow symbol information");else{var vi=0,un=a.M.Ca.ga,Ye=Dp(a),Wc=Dp(a,
+u(a.M),a.M.Aa.ga);for(a.U("stack trace for "+mq(Wc));10>vi;){for(var xc=null,Fr=256;Wc.Xa>>>0<a.M.Mg>>>0;){Ye.Xa=a.vb(Wc,!0);if(null==Wc.Ia||!Fr--)break;Ye.ga=un;if(xc=fr(a,Ye))break;Ye.ga=a.vb(Wc);if(xc=fr(a,Ye,!0)){un=a.vb(Wc,!0);0<xc.indexOf("INT")&&a.vb(Wc,!0);break}}if(!xc||null==xc)break;var vn=null;if("ks"==Er){var wn=xc.match(/[0-9A-F]+$/);wn&&(vn=cr(a,wn[0]))}xc=pa(xc,50)+"  ;"+(vn||"stack="+mq(Wc));a.U(xc);vi++}vi||a.U("no return addresses found")}break;case "l":if("ln"==g[0]){cr(a,g[1],
+!0);break}dr(a,g);break;case "m":if("mouse"==g[0]){var wi=g[1],zg=g[2];if(a.Y){var xn=1;"-"==zg.charAt(0)&&(xn=-1,zg=zg.substr(1));var wd=Zp(a,zg,wi);if(void 0!==wd)switch(wd=wd*xn|0,wi){case "x":a.Y.Ff(wd,0);break;case "y":a.Y.Ff(0,wd);break;case "click":a.Y.ge(wd,!0);a.Y.ge(wd,!1);break;default:a.U("unknown action: "+wi)}}else a.U("no mouse");break}a:{var yc,zc=null,Va=g[1];"?"==Va&&(Va=void 0);if(void 0!==Va){var xd=0;if("all"==Va)xd=1610481663,Va=null;else if("on"==Va)zc=!0,Va=null;else if("off"==
+Va)zc=!1,Va=null;else{"keys"==Va&&(Va="key");"kbd"==Va&&(Va="keyboard");for(yc in Rp)if(Va==yc){xd=Rp[yc];zc=!!(a.wc&xd);break}if(!xd){a.U("unknown message category: "+Va);break a}}xd&&("on"==g[2]?(a.wc|=xd,zc=!0):"off"==g[2]&&(a.wc&=~xd,zc=!1))}var Gr=0,Xc="";for(yc in Rp)if(!Va||Va==yc){var Hr=!!(a.wc&Rp[yc]);if(null===zc||zc==Hr)Xc&&(Xc+=","),++Gr%10||(Xc+="\n\t"),"key"==yc&&(yc="keys"),Xc+=yc}void 0===Va&&a.U("message commands:\n\tm [category] [on|off]\tturn categories on/off");a.U((null!==zc?
 zc?"messages on:  ":"messages off: ":"message categories:\n\t")+(Xc||"none"));Fp(a)}break;case "o":var xi=g[1],Ir=g[2];if(xi&&"?"!=xi){var yi=Zp(a,xi,"port #"),zi=Zp(a,Ir);void 0!==yi&&void 0!==zi&&(sc(a.ja,yi,1,zi),a.U(ia(yi)+": "+ga(zi)))}else a.U("output commands:"),a.U("\to [p] [b]\twrite byte [b] to port [p]"),a.U("warning: port accesses can affect hardware state");break;case "p":if("print"==g[0]){er(a,b.substr(5));break}var yn="pr"==g[0]?1:0,ee=1+yn;if(a.P)a.U("step in progress");else{var Ag,
 zn=!1,nb=Dp(a,v(a.M),a.M.Ca.ga);do switch(Ag=!1,a.Wa(nb)){case 38:case 46:case 54:case 62:case 100:case 101:case 102:case 103:case 240:oq(a,nb,1);Ag=!0;break;case 204:case 206:a.P=ee;oq(a,nb,1);break;case 205:case 224:case 225:case 226:a.P=ee;oq(a,nb,nb.Xb?4:2);break;case 232:a.P=ee;oq(a,nb,nb.Xb?5:3);break;case 154:a.P=ee;oq(a,nb,nb.Xb?7:5);break;case 255:var An=a.vb(nb)&14591;if(4351==An||6399==An)a.P=ee,Mq(a,nb);break;case 243:case 242:oq(a,nb,1);zn=Ag=!0;break;case 108:case 109:case 110:case 111:case 164:case 165:case 166:case 167:case 170:case 171:case 172:case 173:case 174:case 175:zn&&
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+function Ob(a,b,c,d){for(var e=0,k=0;0<c;){var l=a.K[b],p=a.O[b]||1,q=1==p?255:2==p?65535:-1,v=q;void 0!==l&&l[0]&&(v=l[0](b,d),void 0===v?v=q:v&=q);e|=v<<k;k+=p<<3;b+=p;c-=p}return e}function Pb(a,b,c,d){void 0===d&&(d=0);for(var e in c){var k=a,l=+e+d,p=c[e].bind(b);if(void 0!==p)for(var q=+e+d;q<=l;q++)void 0!==k.N[q]?ra("Output port 0x"+da(q,4)+" already registered"):k.N[q]=[p,!1]}}
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@@ -54,26 +54,26 @@ if(db)var Jb=[g.prototype.oa,g.prototype.Na,g.prototype.Ca,g.prototype.vb,g.prot
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+this.xa;this.A-=this.D.Ai;if(this.Ua&1&&this.ca&16384){var a=this.ma(this.la.Ea+0);Ec(this.Ia,a,!1)}else{var a=this.Fa,b=m(this),c=m(this),d=m(this);if(this.ca&131072)d=d&131071|this.ca&-131072;else if(d&131072){var e=m(this),k=m(this),l=m(this),p=m(this),q=m(this),v=m(this);Fc(this,!0,!0);Dc(this,k);n(this,e);Kc(this,l);Jc(this,p);this.Qa.load(q);this.Va.load(v)}null!=Nc(this,b,c,!1)&&(Mc(this,d,a),this.$f&&Qd(this,this.da))}this.sa=-1}},function(){this.wc[this.X()].call(this,Zh,yh)},function(){this.vb[this.X()].call(this,
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 (E(this,u(this)+a),this.A-=this.D.Mg):this.A-=this.D.Ng},function(){var a=this.L(),b=this.F-1&this.wa;this.F=this.F&~this.wa|b;b?(E(this,u(this)+a),this.A-=this.D.Ki):this.A-=this.D.Lg},function(){var a=this.L();this.F&this.wa?this.A-=this.D.Ng:(E(this,u(this)+a),this.A-=this.D.Mg)},function(){var a=this.X();re(this,a,1)&&(this.G=this.G&-256|Ob(this.na,a,1,this.da-2)&255,this.A-=this.D.Gg)},function(){var a=this.X();re(this,a,this.ba)&&(this.G=this.G&~this.C|Ob(this.na,a,this.ba,this.da-2)&this.C,
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-196),this.ka(a+200));E(this,this.ka(a+8));n(this,this.ka(a+24))}this.A-=122<<(a&3?1:0)}};v[16]=Vh;v[17]=Wh;v[18]=Xh;v[19]=Yh;v[32]=function(){if(this.Fa)h.call(this,13,0);else{var a,b=this.X();switch((b&56)>>3){case 0:a=this.Ua;break;case 2:a=this.pd;break;case 3:a=this.Zc;break;default:od.call(this);return}Cd(this,b&7,a);this.A-=6}};v[33]=function(){if(this.Fa)h.call(this,13,0);else{var a=this.X(),b=(a&56)>>3;4==b||5==b?od.call(this):(Cd(this,a&7,this.fb[b]),this.A-=22)}};
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-v[36]=function(){if(this.Fa)h.call(this,13,0);else{var a=this.X(),b=(a&56)>>3;6>b?od.call(this):(Cd(this,a&7,this.uf[b]),this.A-=12)}};v[38]=function(){if(this.Fa)h.call(this,13,0);else{var a=this.X(),b=(a&56)>>3;6>b?od.call(this):(this.uf[b]=Bd(this,a&7),this.A-=12)}};v[128]=function(){var a=this.Ga();ee(this)?(E(this,u(this)+a),this.A-=this.D.Ra):this.A-=this.D.Sa};v[129]=function(){var a=this.Ga();ee(this)?this.A-=this.D.Sa:(E(this,u(this)+a),this.A-=this.D.Ra)};
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-v[159]=function(){Kg.call(this,Zg)};v[160]=function(){Ic(this,this.Qa.ra,this.ba,2);this.A-=this.D.Rd};v[161]=function(){this.sa=this.xa;var a=m(this);this.Qa.load(a);this.A-=this.D.bc;this.sa=-1};v[163]=function(){this.Da[this.X()].call(this,bg);-1!==this.U&&(this.A-=6)};v[164]=function(){this.Da[this.X()].call(this,2==this.ba?bh:ch);this.A-=-1===this.U?3:7};v[165]=function(){this.Da[this.X()].call(this,2==this.ba?dh:eh);this.A-=-1===this.U?3:7};
-v[168]=function(){Ic(this,this.Va.ra,this.ba,2);this.A-=this.D.Rd};v[169]=function(){this.sa=this.xa;var a=m(this);this.Va.load(a);this.A-=this.D.bc;this.sa=-1};v[171]=function(){this.Da[this.X()].call(this,eg);-1!==this.U&&(this.A-=5)};v[172]=function(){this.Da[this.X()].call(this,2==this.ba?hh:ih);this.A-=-1===this.U?3:7};v[173]=function(){this.Da[this.X()].call(this,2==this.ba?jh:kh);this.A-=-1===this.U?3:7};v[175]=function(){this.ta[this.X()].call(this,2==this.ba?ng:pg)};
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-v[182]=function(){var a,b=this.X(),c=(b&56)>>3;switch(c){case 4:a=this.G;break;case 5:a=this.F;break;case 6:a=this.I;break;case 7:a=this.B}this.wb[b].call(this,Dg);switch(c){case 0:this.G=this.G&~this.C|this.G&255;break;case 1:this.F=this.F&~this.C|this.F&255;break;case 2:this.I=this.I&~this.C|this.I&255;break;case 3:this.B=this.B&~this.C|this.B&255;break;case 4:this.Ob=this.Ob&~this.C|this.G>>8&255;this.G=a;break;case 5:this.K=this.K&~this.C|this.F>>8&255;this.F=a;break;case 6:this.J=this.J&~this.C|
-this.I>>8&255;this.I=a;break;case 7:this.H=this.H&~this.C|this.B>>8&255,this.B=a}this.A-=-1===this.U?3:6};v[183]=function(){var a=this.X();Gc(this,2);this.ta[a].call(this,Dg);switch((a&56)>>3){case 0:this.G=this.G&65535;break;case 1:this.F=this.F&65535;break;case 2:this.I=this.I&65535;break;case 3:this.B=this.B&65535;break;case 4:this.Ob=this.Ob&65535;break;case 5:this.K=this.K&65535;break;case 6:this.J=this.J&65535;break;case 7:this.H=this.H&65535}this.A-=-1===this.U?3:6};
-v[186]=function(){this.vb[this.X()].call(this,ni,this.X)};v[187]=function(){this.Da[this.X()].call(this,cg);-1!==this.U&&(this.A-=5)};v[188]=function(){this.ta[this.X()].call(this,Wf)};v[189]=function(){this.ta[this.X()].call(this,Xf)};
-v[190]=function(){var a,b=this.X(),c=(b&56)>>3;switch(c){case 4:a=this.G;break;case 5:a=this.F;break;case 6:a=this.I;break;case 7:a=this.B}this.wb[b].call(this,Dg);switch(c){case 0:this.G=this.G&~this.C|(this.G&255)<<24>>24&this.C;break;case 1:this.F=this.F&~this.C|(this.F&255)<<24>>24&this.C;break;case 2:this.I=this.I&~this.C|(this.I&255)<<24>>24&this.C;break;case 3:this.B=this.B&~this.C|(this.B&255)<<24>>24&this.C;break;case 4:this.Ob=this.Ob&~this.C|this.G<<16>>24&this.C;this.G=a;break;case 5:this.K=
+196),this.ka(a+200));E(this,this.ka(a+8));n(this,this.ka(a+24))}this.A-=122<<(a&3?1:0)}};w[16]=Vh;w[17]=Wh;w[18]=Xh;w[19]=Yh;w[32]=function(){if(this.Fa)h.call(this,13,0);else{var a,b=this.X();switch((b&56)>>3){case 0:a=this.Ua;break;case 2:a=this.pd;break;case 3:a=this.Zc;break;default:od.call(this);return}Cd(this,b&7,a);this.A-=6}};w[33]=function(){if(this.Fa)h.call(this,13,0);else{var a=this.X(),b=(a&56)>>3;4==b||5==b?od.call(this):(Cd(this,a&7,this.fb[b]),this.A-=22)}};
+w[34]=function(){if(this.Fa)h.call(this,13,0);else{var a=this.X(),b=Bd(this,a&7);switch((a&56)>>3){case 0:this.Ua=b;Fc(this);this.Ua&-2147483648?Ab(this):Ad(this);this.A-=10;break;case 2:this.pd=b;this.A-=4;break;case 3:Pc.call(this,b);this.A-=5;break;default:od.call(this)}}};w[35]=function(){if(this.Fa)h.call(this,13,0);else{var a=this.X(),b=(a&56)>>3;4==b||5==b?od.call(this):(a=Bd(this,a&7),a!=this.fb[b]&&(Rd(this,!1),this.fb[b]=a,Rd(this,!0)),this.A-=4>b?22:14)}};
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 f.nc=function(a,b,c,d){this.na=b;this.A=c;this.Ta=d;3!=nk[this.ia]&&(Nb(b,this,Kk),Pb(b,this,Lk));nk[this.ia]!=ok&&(Nb(b,this,Mk),Pb(b,this,Nk));5<=this.nb&&(Nb(b,this,Ok),Pb(b,this,Pk));this.nb==Lj&&(Nb(b,this,Qk),Pb(b,this,Rk));if((this.D=kb(a,"Keyboard"))&&this.ua){for(var e in this.pa)0<e.indexOf("lock")&&this.D.Eb("led",e,this.pa[e]);this.D.Eb(this.Id?"textarea":"canvas","kbd",this.J)}this.Ib=9;(this.T=kb(a,"ChipSet"))&&this.od&&5==this.nb&&(this.Ib=si(this.od,this.Ib));"mouse"==this.pd?(this.N=
@@ -896,11 +896,11 @@ f.reset=function(){var a=!0,b=0;this.T&&(b=Li(this.T));this.ia||(this.nb=3==b?ok
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 (c.Jc[20]&12)<<4,c.Jc[16]&128&&(l&=-49,l|=(c.Jc[20]&3)<<4),l=d[l],p=l<<2&252,q=l>>4&252,l=l>>10&252):(p=(l&4?170:0)|(l&32?85:0),q=(l&2?170:0)|(l&16?85:0),l=(l&1?170:0)|(l&8?85:0)),a.ta[k]=[p,q,l,255]}a.Va=!0}return a.ta}function Kj(a,b,c,d){a.Fb=b;a.kc=c;a.Qa=d}
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-0;bc<Ca;bc++)for(var Jm=w.Ee&&V&1&&bc>=Ca-2,Km=rd[bc<we?ja+Bb*we+bc:ka+Bb*we+bc-we],Nf=0;Nf<=X;Nf++)for(Oc=0;Oc<Ba;Oc++){var fj=Oc<<X,gj=(bc<<X)+Nf,hj=Jm||Km&128>>(8<=Oc&&192<=Bb&&223>=Bb?7:Oc)?K:Im;cl(Mf,fj,gj,hj);X&&cl(Mf,fj+1,gj,hj)}ej.putImageData(Mf,(Bb&15)*w.sc,(Bb>>4)*w.tc)}w.ae[V]="#"+da(K[0],2)+da(K[1],2)+da(K[2],2);w.Fh[V]=K;w.eg[V]=ve;w=!0}}a.Fa[b]=G;return w}function dl(a){0<a.Ja||0<=a.ha?0>a.La&&(a.La=0):a.La=-1}
+function Wk(a,b){var c=!1;if(window&&a.Fb&&(!b||a.K)){var d=0,e=a.Qa?a.Qa:8,k=$k(a);al(a,3,a.kc[0],d,e,8,a.Fb,k)&&(c=!0);d=a.Qa?0:2048;e=a.Qa?a.Qa:9;al(a,1,a.kc[1],d,e,14,a.Fb,vk,wk)&&(c=!0);a.Qa&&al(a,a.nb,a.kc[1],0,a.Qa,14,a.Fb,k)&&(c=!0)}return c}function al(a,b,c,d,e,k,l,p,q){var v=!1;null!=c&&(bl(a,b,c,d,e,k,l,p,q)&&(v=!0),a.Zd&&bl(a,b<<1,c,d,e,k,l,p,q)&&(v=!0));return v}
+function bl(a,b,c,d,e,k,l,p,q){var v=!1,B=b&1?0:1,G=a.Fa[b],C=16>p.length?p.length:16;G||(G={sc:e<<B,tc:k<<B,ae:Array(C),Fh:p.slice(0,C),Ee:q,eg:Array(C)});for(q=0;q<C;q++){var K=p[q],V=G.ae[q]?G.Fh[q]:[];if(K[0]!==V[0]||K[1]!==V[1]||K[2]!==V[2]){var v=G,V=q,X=B,ja=c,ka=d,Ba=e,Ca=k,qd=l,Im=[0,0,0,0],ve=document.createElement("canvas");ve.width=v.sc<<4;ve.height=v.tc<<4;for(var ej=ve.getContext("2d"),Bb=void 0,Oc=void 0,bc=void 0,we=8>Ca||!ka?Ca:8,Mf=ej.createImageData(v.sc,v.tc),Bb=0;256>Bb;Bb++){for(bc=
+0;bc<Ca;bc++)for(var Jm=v.Ee&&V&1&&bc>=Ca-2,Km=qd[bc<we?ja+Bb*we+bc:ka+Bb*we+bc-we],Nf=0;Nf<=X;Nf++)for(Oc=0;Oc<Ba;Oc++){var fj=Oc<<X,gj=(bc<<X)+Nf,hj=Jm||Km&128>>(8<=Oc&&192<=Bb&&223>=Bb?7:Oc)?K:Im;cl(Mf,fj,gj,hj);X&&cl(Mf,fj+1,gj,hj)}ej.putImageData(Mf,(Bb&15)*v.sc,(Bb>>4)*v.tc)}v.ae[V]="#"+da(K[0],2)+da(K[1],2)+da(K[2],2);v.Fh[V]=K;v.eg[V]=ve;v=!0}}a.Fa[b]=G;return v}function dl(a){0<a.Ja||0<=a.ha?0>a.La&&(a.La=0):a.La=-1}
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 function el(a){if(0<=a.ha){if(void 0!==a.W){var b=a.W[a.ha];if(b&131072){var b=b&-131073,c=a.ha%a.H,d=a.ha/a.H|0;a.K&&a.Fa[a.K]&&(a.Na&&fl(a,c,d,b,a.Na),fl(a,c,d,b));a.W[a.ha]=b}}a.ha=-1}}
 function gl(a){var b,c=a.F;a.fd=!1;var d=c.Dd[5];if(null!=d){b=1024;var e=0,k=c.Dd[3]&31;switch(d&3){case 0:if(k){e=32;switch(k&24){case 8:e=96;break;case 16:e=160;break;case 24:e=224}c.Ic=k&7}break;case 1:e=1;break;case 2:switch(k&24){default:e=2;break;case 8:e=98;break;case 16:e=162;break;case 24:e=226}break;case 3:a.nb==Lj&&(e=3,c.Ic=k&7)}d&8&&(b=1280);c=c.ze[4];null!=c&&(c&4||(b|=4096,e|=16),d&64&&(c&8&&(b|=16384,e|=4),a.fd=!0));b|=e}return b}
@@ -912,11 +912,11 @@ b&&(a.fb=(a.fb<<1)+b|0,a.lc=a.fb+b>>1);a.Fa.length&&(a.ya=a.oa/a.H|0,a.Ca=a.va/a
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+function Ll(a,b){b&&(a.H=null);var c=a.K[0];if(c){for(var d=c.Rj,e=c.Sj,c=c.sector,k=0,l=[],p=c-1;p<a.A[d][e].length;p++){var q=a.A[d][e][p];if(!q.Oa)break;var v=a.K.indexOf(q);a.K.splice(v,1);a.O.splice(v,1);l=l.concat(Ul(q));q.Oa=!1;k++}a.F?(p={},a.S=!0,p.action="write",p.volume=a.J,p.chs=a.ob+":"+a.pb+":"+a.ib+":"+a.tb,p.addr=d+":"+e+":"+c+":"+k,p.machine=a.controller.re(),p.user=a.controller.yd(),p.data=JSON.stringify(l),d=pa(qa()+"/api/v1/disk",b,p,a,a.Oj,[d,e,c,k,b])):d=!1;return b||d}return!1}
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-f.save=function(){var a=0,b=[];b[a++]=[this.J,this.T,this.ob,this.pb,this.ib,this.tb];if(!this.F&&!this.qe)for(var c=this.A,d=0;d<c.length;d++)for(var e=0;e<c[d].length;e++)for(var k=0;k<c[d][e].length;k++){var l=c[d][e][k];if(l&&l.Dc){for(var p=[],q=0,w=l.Sc,B=l.Sc+l.Dc;w<B;)p[q++]=l.data[w++];b[a++]=[d,e,k,l.Sc,p]}}return b};
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-b+" changes applied)";b=-1;break}if(this.qe){c="unable to modify write-protected disk";b=-1;break}e=l[k++];k=l[k++];l=e+k.length;if(p=this.A[p][q][w]){for(q=p.data.length;q<e;)p.data[q++]=p.pattern;q=0;p.Sc=e;for(p.Dc=k.length;e<l;)p.data[e++]=k[q++];b++}}}0>b&&-2!=b&&this.controller.Ha("Unable to restore disk '"+this.B+": "+c);return b};
+f.save=function(){var a=0,b=[];b[a++]=[this.J,this.T,this.ob,this.pb,this.ib,this.tb];if(!this.F&&!this.qe)for(var c=this.A,d=0;d<c.length;d++)for(var e=0;e<c[d].length;e++)for(var k=0;k<c[d][e].length;k++){var l=c[d][e][k];if(l&&l.Dc){for(var p=[],q=0,v=l.Sc,B=l.Sc+l.Dc;v<B;)p[q++]=l.data[v++];b[a++]=[d,e,k,l.Sc,p]}}return b};
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+b+" changes applied)";b=-1;break}if(this.qe){c="unable to modify write-protected disk";b=-1;break}e=l[k++];k=l[k++];l=e+k.length;if(p=this.A[p][q][v]){for(q=p.data.length;q<e;)p.data[q++]=p.pattern;q=0;p.Sc=e;for(p.Dc=k.length;e<l;)p.data[e++]=k[q++];b++}}}0>b&&-2!=b&&this.controller.Ha("Unable to restore disk '"+this.B+": "+c);return b};
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 function Vl(a){Ia.call(this,"FDC",a,Vl);this.dmaRead=this.uj;this.dmaWrite=this.vj;this.dmaFormat=this.Ij;this.N=a.autoMount||null;this.D=[];this.da=!xa("Mobi")&&window&&"FileReader"in window}Qa(Vl);aa={};var Wl={3:{dd:3,wd:0,name:aa.Jm},4:{dd:2,wd:1,name:aa.Hm},5:{dd:9,wd:7,name:aa.Rm},6:{dd:9,wd:7,name:aa.Cm},7:{dd:2,wd:0,name:aa.Em},8:{dd:1,wd:2,name:aa.Im},10:{dd:2,wd:7,name:aa.Dm},13:{dd:6,wd:7,name:aa.pm},15:{dd:3,wd:0,name:aa.Gm}};f=Vl.prototype;
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-f.save=function(){var a=new Td(this),b=0,c=[];c[b++]=this.Xa;c[b++]=0;c[b++]=this.ga;c[b++]=this.K;c[b++]=this.H;c[b++]=this.F;c[b++]=this.W;for(var d=b++,e=0,k=[],l=0;l<this.B.length;l++){var p=e++,q=this.B[l],w=0,B=[];B[w++]=q.qb;B[w++]=[q.name,q.ob,q.pb,q.ib,q.tb,q.ne,q.Lf,q.Se,q.Te];B[w++]=q.bb;B[w++]=q.ud+100;B[w++]=q.Bb;B[w++]=q.sb;B[w++]=q.vd;B[w++]=q.zb;B[w++]=q.Ya;B[w++]=q.le;B[w++]=q.kj;B[w]=q.Vd;k[p]=B}c[d]=k;d=b++;for(e=0;e<this.B.length;e++)k=this.B[e],k.za&&fm(this,k.Vd,k.za);c[d]=this.D;
+f.save=function(){var a=new Td(this),b=0,c=[];c[b++]=this.Xa;c[b++]=0;c[b++]=this.ga;c[b++]=this.K;c[b++]=this.H;c[b++]=this.F;c[b++]=this.W;for(var d=b++,e=0,k=[],l=0;l<this.B.length;l++){var p=e++,q=this.B[l],v=0,B=[];B[v++]=q.qb;B[v++]=[q.name,q.ob,q.pb,q.ib,q.tb,q.ne,q.Lf,q.Se,q.Te];B[v++]=q.bb;B[v++]=q.ud+100;B[v++]=q.Bb;B[v++]=q.sb;B[v++]=q.vd;B[v++]=q.zb;B[v++]=q.Ya;B[v++]=q.le;B[v++]=q.kj;B[v]=q.Vd;k[p]=B}c[d]=k;d=b++;for(e=0;e<this.B.length;e++)k=this.B[e],k.za&&fm(this,k.Vd,k.za);c[d]=this.D;
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 function $l(a,b){var c=0,d,e=!0;void 0===b&&(b=[0,0,128,Array(9),0,0,0,[]]);a.Xa=b[c++];c++;a.ga=b[c++];a.K=b[c++];a.H=b[c++];a.F=b[c++];a.W=b[c++];var k=b[c++];d=b[c++];null!=d&&(a.D=d);void 0===a.B&&(a.Z=4,a.T&&(a.Z=Wi(a.T)),a.B=Array(4));for(d=0;d<a.B.length;d++){var l=a.B[d];if(void 0===l){var l=a.B[d]={},p;if(a.T)a:{p=a.T;if(d<Wi(p)){if(!p.ha){p=360;break a}if(d<p.ha.length){p=p.ha[d];break a}}p=0}else p=0;switch(p){case 160:case 180:l.pb=1;default:l.ob=40;l.ib=9;break;case 720:l.ob=80;l.ib=
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+9;break;case 1200:l.ob=80;l.ib=15;break;case 1440:l.ob=80,l.ib=18}}var q=a,v=d,B=k[d],G=0;p=!0;l.Xa=v;l.Nc=l.le=!1;void 0===B&&(B=[192,!0,0,2,0]);"boolean"==typeof B[1]&&(B[1]=["Floppy Drive",l.ob||40,l.pb||B[3],l.ib||9,l.tb||512,B[1],l.Lf,l.Se,l.Te]);l.qb=B[G++];var C=B[G++];l.name=C[0];l.ob=C[1];l.pb=C[2];l.ib=C[3];l.tb=C[4];l.ne=C[5];(l.Lf=C[6])?(l.Se=C[7],l.Te=C[8]):(l.Lf=l.ob,l.Se=l.pb,l.Te=l.ib);l.bb=B[G++];l.ud=B[G++];l.Bb=B[G++];l.ud=100<=l.ud?l.ud-100:l.ud-l.Bb;l.sb=B[G++];l.vd=B[G++];l.zb=
+B[G++];l.Ya=B[G++];l.Za=null;l.za||(l.Vd="");C=B[G++];102==C&&(C=!1);if("boolean"==typeof C){var K=C,C=B[G++],B=B[G];K?(G=C,C=q.B[v],em(q,v,!0,!0),C.le=!0,v=new Il(q,C,"preload"),q.Qh(C,v,G,B,!0)):gm(q,v,C,B,!0)?l.za&&B&&hm(q,C,B,l.za):ab(q,!1)}else void 0!==C&&l.za&&0>l.za.restore(C)&&(p=!1);p&&l.za&&void 0!==l.Ya&&(l.Za=l.za.seek(l.Bb,l.bb,l.sb));p||(e=!1)}a.O=b[c++]||0;a.J=b[c]||0;return e}
 function dm(a,b){b||(a.S=0);if(a.N)for(var c in a.N){var d=a.N[c],e=d.path,k;if(!(k=d.name))a:{if((k=a.pa.listDisks)&&k.options)for(var l=0;l<k.options.length;l++)if(k.options[l].value==e){k=k.options[l].innerText;break a}k=ea(e,!0)}if(e&&k&&(l=c.charCodeAt(0)-65,0<=l&&l<a.B.length)){!gm(a,l,k,e,!0)&&b&&ab(a,!1);continue}a.Ha("Incorrect auto-mount settings for drive "+c+" ("+JSON.stringify(d)+")")}return!!a.S}
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 function Bm(a){!a.T||a.W&2||Le(a.T,14,120)}
-function ym(a){a.H=0;var b=Fm(a),c=Fm(a),d=c&32,e=d>>5,k=c&31,l=Fm(a),p=Fm(a),q=l<<2&768|p,w=l&63,B=Fm(a),G=Fm(a),C=a.B[e];C&&(C.Fd=q,C.bb=k,C.sb=w,C.zb=B*C.tb);switch(b){case 3:Gm(a,C?C.errorCode:4);Hm(a,c);Hm(a,l);Hm(a,p);Hm(a,0|d);b=-1;break;case 12:for(c=0;0<=(b=Fm(a));)C&&c<C.ce.length&&(C.ce[c++]=b);C&&xm(a,C);b=0;C||a.da!=e||(a.da=-1,b=2);Gm(a,b|d);b=-1;break;case 224:case 228:Gm(a,0|d),b=-1}if(0<=b)switch(void 0===C?b=-1:(C.errorCode=0,C.lj=0),b){case 0:Gm(a,0|d);break;case 1:C.Ge=G;Gm(a,
+function ym(a){a.H=0;var b=Fm(a),c=Fm(a),d=c&32,e=d>>5,k=c&31,l=Fm(a),p=Fm(a),q=l<<2&768|p,v=l&63,B=Fm(a),G=Fm(a),C=a.B[e];C&&(C.Fd=q,C.bb=k,C.sb=v,C.zb=B*C.tb);switch(b){case 3:Gm(a,C?C.errorCode:4);Hm(a,c);Hm(a,l);Hm(a,p);Hm(a,0|d);b=-1;break;case 12:for(c=0;0<=(b=Fm(a));)C&&c<C.ce.length&&(C.ce[c++]=b);C&&xm(a,C);b=0;C||a.da!=e||(a.da=-1,b=2);Gm(a,b|d);b=-1;break;case 224:case 228:Gm(a,0|d),b=-1}if(0<=b)switch(void 0===C?b=-1:(C.errorCode=0,C.lj=0),b){case 0:Gm(a,0|d);break;case 1:C.Ge=G;Gm(a,
 0|d);break;case 5:Gm(a,0|d);break;case 8:Lm(a,C,function(b){Gm(a,b|d)});break;case 10:Mm(a,C,function(b){Gm(a,b|d)});break;case 15:Nm(a,C,function(b){Gm(a,b|d)});break;default:Gm(a,2|d)}}function Fm(a){var b=-1;a.H<a.F&&(b=a.K[a.H++]);return b}function Gm(a,b){a.H=a.F=0;void 0!==b&&Hm(a,b);a.T&&Le(a.T,5);a.ga|=32}function Hm(a,b){a.K[a.F++]=b}f.wj=function(a,b,c){void 0===b||0>b?Am(a,c):c(-1,!1)};f.xj=function(a,b){return void 0!==b&&0<=b?Dm(a,b):-1};
 f.Jj=function(a,b){var c;void 0!==b&&0<=b?(c=b,a.Ya<a.de.length?a.de[a.Ya++]=c:(a.errorCode=20,c=-1)):c=-1;return c};f.Kj=function(a,b){var c;if(void 0!==b&&0<=b)a:if(c=b,a.errorCode)c=-1;else{a.Mc[a.he++]=c;if(a.he==a.Mc.length){a.Fd=a.Mc[0];a.bb=a.Mc[1];a.sb=a.Mc[2];a.zb=128<<a.Mc[3];for(var d=a.he=0;d<a.zb;d++)if(0>Dm(a,a.Jh)){c=-1;break a}a.zf++}a.zf>=a.vd&&(c=-1)}else c=-1;return c};
 function Lm(a,b,c){b.errorCode=4;if(b.za&&(b.Za=null,a.T)){b.errorCode=0;mj(a.T,3,a,"dmaRead",b);ij(a.T,3,function(a){a||0!=b.errorCode||(b.errorCode=4);c(b.errorCode?2:0)});return}c(b.errorCode?2:0)}function Mm(a,b,c){b.errorCode=4;if(b.za&&(b.Za=null,a.T)){b.errorCode=0;mj(a.T,3,a,"dmaWrite",b);ij(a.T,3,function(a){a||(0==b.errorCode&&(b.errorCode=4),20==b.errorCode&&(b.errorCode=0));c(b.errorCode?2:0)});return}c(b.errorCode?2:0)}
@@ -1032,7 +1032,7 @@ l?(this.Ha("Error: "+l),"unable to verify user"==l&&(wa("user",""),this.B=null))
 function an(a,b,c,d,e){if(!b.ja.Qb){b.ja.Qb=!0;if(b.Tb){var k=null;e&&((k=Tm(c,b.id))||(k=Tm(c,b.id.replace(/[a-z0-9]\./i,"."))));"string"===typeof k&&(k=null);!b.Tb(k,d)&&k&&(ra("Unable to restore state for "+b.type),a.O&&!a.W?(c.clear(),a.rc=Vm,window&&window.location.reload()):a.S=!0,b.Tb(null),e=!1)}if(!d&&b.Dh)for(a=b.Dh.split("|"),c=0;c<a.length;c++)b.status(a[c])}return e}
 f.Rh=function(a){var b=a[0],c=0>a[1];a=a[2];this.ja.Qb=!0;var d=this.pa.power;d&&(d.textContent="Shutdown");this.Eh||(this.pc("PCjs v"+Xm+"\nCopyright \u00a9 2012-2016 Jeff Parsons <Jeff@pcjs.org>\nLicense: GPL version 3 or later <http://gnu.org/licenses/gpl.html>"),this.Eh=!0);this.A&&(an(this,this.A,b,c,a),mc(this.A));this.S&&($m(this,b),b.clear());!c&&this.F&&(this.F.clear(),delete this.F);this.D=0};
 function $m(a,b){if(sa("There may be a problem with your PCjs machine.\n\nTo help us diagnose it, click OK to send this PCjs machine state to http://www.pcjs.org.")){var c=a.da,d=a.yd(),e=b.toString(),k={app:"PCjs"};k.ver=Xm;k.url=c;k.user=d;k.type="bug";k.data=e;pa("http://www.pcjs.org/api/v1/report",!0,k)}}
-function bn(a,b,c){var d,e="none";if(a.D)return null;a.D--;var k=new Td(a,Xm),l=new Td(a,Xm,"validate"),p=la();D(l,"timestamp",p);D(k,"timestamp",p);D(k,"version","1.20.9");D(k,"url",window?window.location.href:null);D(k,"browser",window?window.navigator.userAgent:"");a.A&&a.A.Sb&&(c&&pc(a.A),d=a.A.Sb(b,c),"object"===typeof d&&D(k,a.A.id,d),c&&(a.A.ja.Qb=!1,!1===d&&(e=null)));for(var p=Ta(a.id),q=0;q<p.length;q++){var w=p[q];w.ja.Qb&&(w.Sb&&(d=w.Sb(b,c),"object"===typeof d&&D(k,w.id,d)),c&&(w.ja.Qb=
+function bn(a,b,c){var d,e="none";if(a.D)return null;a.D--;var k=new Td(a,Xm),l=new Td(a,Xm,"validate"),p=la();D(l,"timestamp",p);D(k,"timestamp",p);D(k,"version","1.20.9");D(k,"url",window?window.location.href:null);D(k,"browser",window?window.navigator.userAgent:"");a.A&&a.A.Sb&&(c&&pc(a.A),d=a.A.Sb(b,c),"object"===typeof d&&D(k,a.A.id,d),c&&(a.A.ja.Qb=!1,!1===d&&(e=null)));for(var p=Ta(a.id),q=0;q<p.length;q++){var v=p[q];v.ja.Qb&&(v.Sb&&(d=v.Sb(b,c),"object"===typeof d&&D(k,v.id,d)),c&&(v.ja.Qb=
 !1,!1===d&&(e=null)))}e&&(c?(p=d=!1,b?(a.B&&cn(a,a.B,k.toString()),Rm(l)&&Rm(k)||(e=null,d=p=!0)):a.rc&&(d=!0,p=3==a.rc),d&&k.clear(p)):e=k.toString());c&&(a.ja.Qb=!1,b=a.pa.power)&&(b.textContent="Power");a.D=0;return e}f.reset=function(){this.na&&this.na.reset&&this.na.reset();for(var a=Ta(this.id),b=0;b<a.length;b++){var c=a[b];c!==this&&c!==this.na&&c.reset&&c.reset()}};f.start=function(a,b){for(var c=Ta(this.id),d=0;d<c.length;d++){var e=c[d];"CPU"!=e.type&&e!==this&&e.start&&e.start(a,b)}};
 f.stop=function(a,b){for(var c=Ta(this.id),d=0;d<c.length;d++){var e=c[d];"CPU"!=e.type&&e!==this&&e.stop&&e.stop(a,b)}};
 f.Eb=function(a,b,c){var d=this;switch(b){case "power":return this.pa[b]=c,c.onclick=function(){d.D||(d.ja.Qb?bn(d,!1,!0):Ym(d,d.cf))},!0;case "reset":return this.pa[b]=c,c.onclick=function(){if(d.ja.Qb&&!d.D)if(d.rc&&!d.vf){var a=sa("Click OK to save changes to this PCjs machine.\n\nWARNING: If you CANCEL, all disk changes will be discarded.");bn(d,a,!0);!a&&d.O?window&&window.location.reload():(a||(d.ng=!0),d.cf(Vm),d.ng=!1)}else d.reset(),d.A&&mc(d.A)},!0;case "save":return this.pa[b]=c,c.onclick=
@@ -1043,8 +1043,10 @@ function kb(a,b,c){a=Ta(a.id);for(var d=0;d<a.length;d++){var e=a[d];if(c)c==e&&
 ya.exit.push(function(){for(var a=Za(document,"pcjs","computer"),b=0;b<a.length;b++){var c=Wa(a[b]);(c=Va("Computer",c.id))&&c.ja.Qb&&bn(c,!(!c.rc||c.vf),!0)}});var en=0;function fn(a,b,c,d,e,k){e("Loading "+a+"...");pa(a,!0,null,null,function(l,p,q){q?(p||(p="unable to load "+a+" ("+q+")"),k(p,null)):gn(p,a,b,c,d,e,k)})}
 function gn(a,b,c,d,e,k,l){function p(a,k){if(k)l(k,null);else{if(c){var p=b;p&&0>p.indexOf("/")&&(p=window.location.pathname+p);d?"}"==d.slice(-1)?(d=d.slice(0,-1),1<d.length&&(d+=",")):d='{state:"'+d+'",':d="{";d+='url:"'+p+'"}';a=a.replace(/(<machine[^>]*\sid=)(['"]).*?\2/,"$1$2"+c+"$2"+(d?" parms='"+d+"'":"")+(p?' url="'+p+'"':""))}p=null;if("<"==a.charAt(0))try{e||(a=a.replace(/<!DOCTYPE(.|[\r\n])*]>\s*/g,"")),window.ActiveXObject||"ActiveXObject"in window?(p=new window.ActiveXObject("Microsoft.XMLDOM"),
 p.async=!1,p.loadXML(a)):p=(new window.DOMParser).parseFromString(a,"text/xml")}catch(G){p=null,a=G.message}else a="unrecognized XML: "+(255<a.length?a.substr(0,255)+"...":a);l(a,p)}}a?e?hn(a,k,p):p(a,null):l("no data"+(b?" for file: "+b:""),null)}
-function hn(a,b,c){var d;if(d=/<([a-z]+)\s+ref="(.*?)"(.*?)\/>/g.exec(a)){var e=d[2];b("Loading "+e+"...");pa(e,!0,null,null,function(k,l,p){if(p||!l)c(a,"unable to resolve XML reference: "+d[0]+" ("+p+")");else{if(k=d[3])if(p=l.match(new RegExp("<"+d[1]+"[^>]*>"))){for(var q=p[0],w,B=/( [a-z]+=)(['"])(.*?)\2/g;w=B.exec(k);)q=0>q.indexOf(w[1])?q.replace(">",w[0]+">"):q.replace(new RegExp(w[1]+"(['\"])(.*?)\\1"),w[0]);p[0]!=q&&(l=l.replace(p[0],q))}else{c(a,"missing <"+d[1]+"> in "+e);return}l=l.replace(/<\?xml[^>]*>[\r\n]*/,
+function hn(a,b,c){var d;if(d=/<([a-z]+)\s+ref="(.*?)"(.*?)\/>/g.exec(a)){var e=d[2];b("Loading "+e+"...");pa(e,!0,null,null,function(k,l,p){if(p||!l)c(a,"unable to resolve XML reference: "+d[0]+" ("+p+")");else{if(k=d[3])if(p=l.match(new RegExp("<"+d[1]+"[^>]*>"))){for(var q=p[0],v,B=/( [a-z]+=)(['"])(.*?)\2/g;v=B.exec(k);)q=0>q.indexOf(v[1])?q.replace(">",v[0]+">"):q.replace(new RegExp(v[1]+"(['\"])(.*?)\\1"),v[0]);p[0]!=q&&(l=l.replace(p[0],q))}else{c(a,"missing <"+d[1]+"> in "+e);return}l=l.replace(/<\?xml[^>]*>[\r\n]*/,
 "");a=a.replace(d[0],l);hn(a,b,c)}})}else c(a,null)}
-function jn(a,b,c,d){function e(a){if(void 0===p){var b=l&&Za(l,"machine-warning");p=b&&b[0]||l}p&&(p.innerHTML=ha(a))}function k(a){e("Error: "+a);q&&(--en||Ga(!0));q=!1}var l,p,q=!0;en++;Ra[a]={};try{if(l=document.getElementById(a)){c||(c="/versions/pcjs/1.20.9/components.xsl");var w=function(d,p){p?(Sa(a,"xml",d),fn(c,null,null,!1,e,function(c,d){if(d)if(Sa(a,"xsl",c),e("Processing "+b+"..."),window.ActiveXObject||"ActiveXObject"in window){var q=p.transformNode(d);q?(l.outerHTML=q,--en||Ga(!0)):
-k("transformNodeToObject failed")}else document.implementation&&document.implementation.createDocument?(q=new XSLTProcessor,q.importStylesheet(d),(q=q.transformToFragment(p,document))?l.parentNode?(l.parentNode.replaceChild(q,l),--en||Ga(!0)):k("invalid machine element: "+a):k("transformToFragment failed")):k("unable to transform XML: unsupported browser");else k(c)})):k(d)};"<"!=b.charAt(0)?fn(b,a,d,!0,e,w):gn(b,null,a,d,!1,e,w)}else k("missing machine element: "+a)}catch(B){k(B.message)}return q}
-window.embedPC=function(a,b,c,d){Ga(!1);return jn(a,b,c,d)};window.savePC=function(a){var b=Va("Computer",a),c=Va("Debugger",a);if(b)return pa("/versions/pcjs/null/pc"+(c?"-dbg":"")+".js"),!0;ra("Unable to identify machine '"+a+"'");return!1};window.enableEvents=Ga;window.sendEvent=Ha;})();
+function jn(a,b,c,d){function e(a){if(void 0===p){var b=l&&Za(l,"machine-warning");p=b&&b[0]||l}p&&(p.innerHTML=ha(a))}function k(a){e("Error: "+a);q&&(--en||Ga(!0));q=!1}var l,p,q=!0;en++;Ra[a]={};try{if(l=document.getElementById(a)){c||(c="/versions/pcjs/1.20.9/components.xsl");var v=function(d,p){p?(Sa(a,b,d),fn(c,null,null,!1,e,function(d,q){if(q)if(Sa(a,c,d),e("Processing "+b+"..."),window.ActiveXObject||"ActiveXObject"in window){var v=p.transformNode(q);v?(l.outerHTML=v,--en||Ga(!0)):k("transformNodeToObject failed")}else document.implementation&&
+document.implementation.createDocument?(v=new XSLTProcessor,v.importStylesheet(q),(v=v.transformToFragment(p,document))?l.parentNode?(l.parentNode.replaceChild(v,l),--en||Ga(!0)):k("invalid machine element: "+a):k("transformToFragment failed")):k("unable to transform XML: unsupported browser");else k(d)})):k(d)};"<"!=b.charAt(0)?fn(b,a,d,!0,e,v):gn(b,null,a,d,!1,e,v)}else k("missing machine element: "+a)}catch(B){k(B.message)}return q}
+function kn(a,b,c,d){if(b&&(c=d[0],b=b.match(/^(\s*\(function\(\)\{)([\s\S]*)(}\)\(\);\s*)$/))){d=Ra[c];var e={},k;for(k in d){var l=d[k];if("xml"==k)for(var p,q=/[ \t]*<disk [^>]*path=(['"])(.*?)\1.*?<\/disk>\n?/g;p=q.exec(d[k]);){var v=p[2];v&&(d[v]?console.log("saving disk: '"+v):l=l.replace(p[0],""))}console.log("saving resource: '"+k+"' ("+l.length+" bytes)");e[k]=l}k=JSON.stringify(e);b=b[1]+"var resources="+k+";"+b[2]+b[3];console.log("saving machine: '"+c+"' ("+b.length+" bytes)");k="data:application/octet-stream;base64,"+
+btoa(b);c=document.createElement("a");"string"==typeof c.download?(c.href=k,c.download=ea(a,!0)+".json",document.body.appendChild(c),c.click(),document.body.removeChild(c)):window.open(k)}}window.embedPC=function(a,b,c,d){Ga(!1);return jn(a,b,c,d)};window.savePC=function(a,b){var c=Va("Computer",a),d=Va("Debugger",a);if(c)return b||(b="/versions/pcjs/1.20.9/pc"+(d?"-dbg":"")+".js"),pa(b,!0,null,null,kn,[a,c,d]),!0;ra("Unable to identify machine '"+a+"'");return!1};window.enableEvents=Ga;
+window.sendEvent=Ha;})();
diff --git a/modules/shared/lib/component.js b/modules/shared/lib/component.js
index b164ae1e5..c725e240c 100644
--- a/modules/shared/lib/component.js
+++ b/modules/shared/lib/component.js
@@ -259,23 +259,20 @@ Component.addMachineResource = function(idMachine, sName, data)
 {
     Component.assert(Component.machines[idMachine]);
     if (Component.machines[idMachine]) {
-        if (!Component.machines[idMachine][sName]) {
-            Component.machines[idMachine][sName] = [];
-        }
-        Component.machines[idMachine][sName].push(data);
+        Component.assert(Component.machines[idMachine][sName] === undefined);
+        Component.machines[idMachine][sName] = data;
     }
 };
 
 /**
- * Component.getMachineResources(idMachine, sName)
+ * Component.getMachineResources(idMachine)
  *
  * @param {string} idMachine
- * @param {string} sName (name of the resource)
- * @return {Array|undefined}
+ * @return {Object|undefined}
  */
-Component.getMachineResources = function(idMachine, sName)
+Component.getMachineResources = function(idMachine)
 {
-    return Component.machines[idMachine] && Component.machines[idMachine][sName];
+    return Component.machines[idMachine];
 };
 
 /**
diff --git a/modules/shared/lib/embed.js b/modules/shared/lib/embed.js
index e4d7c284d..756278c06 100644
--- a/modules/shared/lib/embed.js
+++ b/modules/shared/lib/embed.js
@@ -381,7 +381,7 @@ function embedMachine(sName, sVersion, idMachine, sXMLFile, sXSLFile, sParms)
                     displayError(sXML);
                     return;
                 }
-                Component.addMachineResource(idMachine, 'xml', sXML);
+                Component.addMachineResource(idMachine, sXMLFile, sXML);
                 /*
                  * Non-COMPILED kludge to extract the version number from the stylesheet path in the machine XML file;
                  * we don't need this code in COMPILED (non-DEBUG) releases, because APPVERSION is hard-coded into them.
@@ -395,7 +395,7 @@ function embedMachine(sName, sVersion, idMachine, sXMLFile, sXSLFile, sParms)
                         displayError(sXSL);
                         return;
                     }
-                    Component.addMachineResource(idMachine, 'xsl', sXSL);
+                    Component.addMachineResource(idMachine, sXSLFile, sXSL);
                     /*
                      * The <machine> template in components.xsl now generates a "machine div" that makes
                      * the div we required the caller of embedMachine() to provide redundant, so instead
@@ -501,27 +501,102 @@ function embedPC(idMachine, sXMLFile, sXSLFile, sParms)
 }
 
 /**
- * savePC(idMachine)
+ * savePC(idMachine, sPCJSFile)
  *
  * @param {string} idMachine
+ * @param {string} [sPCJSFile]
  * @return {boolean} true if successful, false if error
  */
-function savePC(idMachine)
+function savePC(idMachine, sPCJSFile)
 {
     var cmp = Component.getComponentByType("Computer", idMachine);
     var dbg = Component.getComponentByType("Debugger", idMachine);
     if (cmp) {
-        var sPCJSFile = "/versions/pcjs/" + XMLVERSION + "/pc" + (dbg? "-dbg" : "") + ".js";
-        var sPCJSCode = web.loadResource(sPCJSFile);
-        /*
-         * Next, we need to enumerate the FDC drives and "dump" the disks in them....
-         */
+        if (!sPCJSFile) sPCJSFile = "/versions/pcjs/" + (XMLVERSION || APPVERSION) + "/pc" + (dbg? "-dbg" : "") + ".js";
+        web.loadResource(sPCJSFile, true, null, null, downloadPC, [idMachine, cmp, dbg]);
         return true;
     }
     web.alertUser("Unable to identify machine '" + idMachine + "'");
     return false;
 }
 
+/**
+ * downloadPC(sURL, sPCJS, nErrorCode, aMachineInfo)
+ *
+ * @param {string} sURL
+ * @param {string} sPCJS
+ * @param {number} nErrorCode
+ * @param {string} aMachineInfo ([0] = idMachine, [1] = Computer component, [2] = Debugger component, if any)
+ */
+function downloadPC(sURL, sPCJS, nErrorCode, aMachineInfo)
+{
+    /*
+     * sPCJS is supposed to contain the entire PCjs script, which has been wrapped with:
+     *
+     *      (function(){...
+     *
+     * at the top and:
+     *
+     *      ...})();
+     *
+     * at the bottom, thanks to the following Closure Compiler option:
+     *
+     *      --output_wrapper "(function(){%output%})();"
+     *
+     * Immediately inside that wrapping, we want to embed all the specified machine's resources, using:
+     *
+     *      var resources = {"xml": "...", "xsl": "...", ...};
+     *
+     * Note that the "resources" variable has been added to our externs.js, to prevent it from being renamed
+     * by the Closure Compiler.
+     */
+    if (sPCJS) {
+        var idMachine = aMachineInfo[0];
+        var matchScript = sPCJS.match(/^(\s*\(function\(\)\{)([\s\S]*)(}\)\(\);\s*)$/);
+        if (matchScript) {
+            var resources = Component.getMachineResources(idMachine), resourcesNew = {};
+            for (var name in resources) {
+                var data = resources[name];
+                if (name == "xml") {
+                    /*
+                     * Look through this resource for <disk> entries whose paths do not appear as one of the other
+                     * machine resources, and remove those entries.
+                     */
+                    var matchDisk, reDisk = /[ \t]*<disk [^>]*path=(['"])(.*?)\1.*?<\/disk>\n?/g;
+                    while (matchDisk = reDisk.exec(resources[name])) {
+                        var path = matchDisk[2];
+                        if (path) {
+                            if (resources[path]) {
+                                console.log("saving disk: '" + path);
+                            } else {
+                                data = data.replace(matchDisk[0], "");
+                            }
+                        }
+                    }
+                }
+                console.log("saving resource: '" + name + "' (" + data.length + " bytes)");
+                resourcesNew[name] = data;
+            }
+
+            var sResources = JSON.stringify(resourcesNew);
+            sPCJS = matchScript[1] + "var resources=" + sResources + ";" + matchScript[2] + matchScript[3];
+            console.log("saving machine: '" + idMachine + "' (" + sPCJS.length + " bytes)");
+
+            var uri = "data:application/octet-stream;base64," + btoa(sPCJS);
+            var link = document.createElement('a');
+            if (typeof link.download == 'string') {
+                link.href = uri;
+                link.download = str.getBaseName(sURL, true) + ".json";
+                document.body.appendChild(link);    // Firefox requires the link to be in the body (?)
+                link.click();
+                document.body.removeChild(link);
+            } else {
+                window.open(uri);
+            }
+        }
+    }
+}
+
 /**
  * Prevent the Closure Compiler from renaming functions we want to export, by adding them
  * as (named) properties of a global object.
diff --git a/modules/shared/lib/externs.js b/modules/shared/lib/externs.js
index c8521fb9d..59e536288 100644
--- a/modules/shared/lib/externs.js
+++ b/modules/shared/lib/externs.js
@@ -33,5 +33,6 @@
 "use strict";
 
 var global;
+var resources;
 
 // var webkitAudioContext;
diff --git a/modules/shared/lib/weblib.js b/modules/shared/lib/weblib.js
index 0845dea7b..4614ad856 100644
--- a/modules/shared/lib/weblib.js
+++ b/modules/shared/lib/weblib.js
@@ -190,7 +190,20 @@ web.notice = function(s, fPrintOnly, id)
  */
 web.loadResource = function(sURL, fAsync, data, componentNotify, fnNotify, pNotify)
 {
-    fAsync = !!fAsync;          // ensure that fAsync is a valid boolean (Internet Explorer xmlHTTP functions insist on it)
+    var nErrorCode = 0;
+    var sURLData = null;
+
+    if (resources && (sURLData = resources[sURL])) {
+        if (fnNotify) {
+            if (!componentNotify) {
+                fnNotify(sURL, sURLData, nErrorCode, pNotify);
+            } else {
+                fnNotify.call(componentNotify, sURL, sURLData, nErrorCode, pNotify);
+            }
+        }
+        return [nErrorCode, sURLData];
+    }
+
     if (NODE) {
         /*
          * We don't even need to load Component, because we can't use any of the code below
@@ -201,8 +214,7 @@ web.loadResource = function(sURL, fAsync, data, componentNotify, fnNotify, pNoti
         var net = require("./netlib");
         return net.loadResource(sURL, fAsync, data, componentNotify, fnNotify, pNotify);
     }
-    var nErrorCode = 0;
-    var sURLData = null;
+
     var xmlHTTP = (window.XMLHttpRequest? new window.XMLHttpRequest() : new window.ActiveXObject("Microsoft.XMLHTTP"));
     if (fAsync) {
         xmlHTTP.onreadystatechange = function() {
@@ -238,6 +250,7 @@ web.loadResource = function(sURL, fAsync, data, componentNotify, fnNotify, pNoti
             }
         };
     }
+
     if (data) {
         var sData = "";
         for (var p in data) {
@@ -247,14 +260,15 @@ web.loadResource = function(sURL, fAsync, data, componentNotify, fnNotify, pNoti
         }
         sData = sData.replace(/%20/g, '+');
         if (MAXDEBUG) web.log("web.loadResource(POST " + sURL + "): " + sData.length + " bytes");
-        xmlHTTP.open("POST", sURL, fAsync);
+        xmlHTTP.open("POST", sURL, !!fAsync);   // ensure that fAsync is a valid boolean (Internet Explorer xmlHTTP functions insist on it)
         xmlHTTP.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
         xmlHTTP.send(sData);
     } else {
         if (MAXDEBUG) web.log("web.loadResource(GET " + sURL + ")");
-        xmlHTTP.open("GET", sURL, fAsync);
+        xmlHTTP.open("GET", sURL, !!fAsync);    // ensure that fAsync is a valid boolean (Internet Explorer xmlHTTP functions insist on it)
         xmlHTTP.send();
     }
+
     var response = [];
     if (!fAsync) {
         sURLData = xmlHTTP.responseText;
diff --git a/versions/c1pjs/1.20.9/c1p-dbg.js b/versions/c1pjs/1.20.9/c1p-dbg.js
index dea0e1e53..a3a2c7d2d 100644
--- a/versions/c1pjs/1.20.9/c1p-dbg.js
+++ b/versions/c1pjs/1.20.9/c1p-dbg.js
@@ -1,40 +1,40 @@
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+function t(a,b,c){var d=0,e=null;if(resources&&(e=resources[a]))c&&(b?c.call(b,a,e,d,void 0):c(a,e,d,void 0));else{var g=window.XMLHttpRequest?new window.XMLHttpRequest:new window.ActiveXObject("Microsoft.XMLHTTP");g.onreadystatechange=function(){4===g.readyState&&(e=g.responseText,200==g.status||!g.status&&e.length&&"file:"==(window?window.location.protocol:"file:")||(d=g.status||-1),c&&(b?c.call(b,a,e,d,void 0):c(a,e,d,void 0)))};g.open("GET",a,!0);g.send()}}
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@@ -64,102 +64,102 @@ f.xd=function(){this.b=this.a[this.f++]+this.w&255;this.i=this.j=this.h=this.a[t
 f.rd=function(){this.b=(this.a[this.f++]|this.a[this.f++]<<8)+this.w;this.i=this.j=this.h=this.a[this.b]};f.zd=function(){this.b=(this.a[this.f++]|this.a[this.f++]<<8)+this.F;this.i=this.j=this.w=this.a[this.b]};f.Rc=function(){this.b=this.f++;this.i=this.j=this.c=this.F-this.a[this.b];this.c^=256};f.Jc=function(){this.b=this.a[this.f++]+this.w&255;this.b=this.a[this.b]|this.a[this.b+1]<<8;this.i=this.j=this.c=this.h-this.a[this.b];this.c^=256};
 f.Sc=function(){this.b=this.a[this.f++];this.i=this.j=this.c=this.F-this.a[this.b];this.c^=256};f.Lc=function(){this.b=this.a[this.f++];this.i=this.j=this.c=this.h-this.a[this.b];this.c^=256};f.Vc=function(){this.g=this.a[this.f++];this.i=this.j=this.a[this.g]=this.a[this.g]-1&255};f.md=function(){this.i=this.j=this.F=this.F+1&255};f.Ic=function(){this.b=this.f++;this.i=this.j=this.c=this.h-this.a[this.b];this.c^=256};f.Xc=function(){this.i=this.j=this.w=this.w-1&255};
 f.Qc=function(){this.b=this.a[this.f++]|this.a[this.f++]<<8;this.i=this.j=this.c=this.F-this.a[this.b];this.c^=256};f.Fc=function(){this.b=this.a[this.f++]|this.a[this.f++]<<8;this.i=this.j=this.c=this.h-this.a[this.b];this.c^=256};f.Tc=function(){this.g=this.a[this.f++]|this.a[this.f++]<<8;this.i=this.j=this.a[this.g]=this.a[this.g]-1&255};f.wc=function(){this.f+=(this.j&255?(this.D--,this.a[this.f]<<24>>24):0)+1};
-f.Kc=function(){this.b=this.a[this.f++];this.b=(this.a[this.b]|this.a[this.b+1]<<8)+this.F;this.i=this.j=this.c=this.h-this.a[this.b];this.c^=256};f.Mc=function(){this.b=this.a[this.f++]+this.w&255;this.i=this.j=this.c=this.h-this.a[this.b];this.c^=256};f.Wc=function(){this.g=this.a[this.f++]+this.w&255;this.i=this.j=this.a[this.g]=this.a[this.g]-1&255};f.Cc=function(){Ja(this)};
+f.Kc=function(){this.b=this.a[this.f++];this.b=(this.a[this.b]|this.a[this.b+1]<<8)+this.F;this.i=this.j=this.c=this.h-this.a[this.b];this.c^=256};f.Mc=function(){this.b=this.a[this.f++]+this.w&255;this.i=this.j=this.c=this.h-this.a[this.b];this.c^=256};f.Wc=function(){this.g=this.a[this.f++]+this.w&255;this.i=this.j=this.a[this.g]=this.a[this.g]-1&255};f.Cc=function(){Ia(this)};
 f.Hc=function(){this.b=(this.a[this.f++]|this.a[this.f++]<<8)+this.F;this.i=this.j=this.c=this.h-this.a[this.b];this.c^=256};f.Gc=function(){this.b=(this.a[this.f++]|this.a[this.f++]<<8)+this.w;this.i=this.j=this.c=this.h-this.a[this.b];this.c^=256};f.Uc=function(){this.g=(this.a[this.f++]|this.a[this.f++]<<8)+this.w;this.i=this.j=this.a[this.g]=this.a[this.g]-1&255};f.Oc=function(){this.b=this.f++;this.i=this.j=this.c=this.w-this.a[this.b];this.c^=256};
 f.Gb=function(){this.b=this.a[this.f++]+this.w&255;this.b=this.a[this.b]|this.a[this.b+1]<<8;this.c=this.h-this.a[this.b]-(this.c&256?0:1);this.A=this.h^this.a[this.b];this.v=this.c;this.i=this.j=this.h=this.c&255;this.c^=256};f.pe=function(){this.b=this.a[this.f++]+this.w&255;this.b=this.a[this.b]|this.a[this.b+1]<<8;this.h=Q(this,this.h,this.a[this.b])};f.Pc=function(){this.b=this.a[this.f++];this.i=this.j=this.c=this.w-this.a[this.b];this.c^=256};
 f.Ib=function(){this.b=this.a[this.f++];this.c=this.h-this.a[this.b]-(this.c&256?0:1);this.A=this.h^this.a[this.b];this.v=this.c;this.i=this.j=this.h=this.c&255;this.c^=256};f.re=function(){this.b=this.a[this.f++];this.h=Q(this,this.h,this.a[this.b])};f.jd=function(){this.g=this.a[this.f++];this.i=this.j=this.a[this.g]=this.a[this.g]+1&255};f.ld=function(){this.i=this.j=this.w=this.w+1&255};
 f.Fb=function(){this.b=this.f++;this.c=this.h-this.a[this.b]-(this.c&256?0:1);this.A=this.h^this.a[this.b];this.v=this.c;this.i=this.j=this.h=this.c&255;this.c^=256};f.oe=function(){this.b=this.f++;this.h=Q(this,this.h,this.a[this.b])};f.Nd=function(){};f.Nc=function(){this.b=this.a[this.f++]|this.a[this.f++]<<8;this.i=this.j=this.c=this.w-this.a[this.b];this.c^=256};
 f.Cb=function(){this.b=this.a[this.f++]|this.a[this.f++]<<8;this.c=this.h-this.a[this.b]-(this.c&256?0:1);this.A=this.h^this.a[this.b];this.v=this.c;this.i=this.j=this.h=this.c&255;this.c^=256};f.le=function(){this.b=this.a[this.f++]|this.a[this.f++]<<8;this.h=Q(this,this.h,this.a[this.b])};f.gd=function(){this.g=this.a[this.f++]|this.a[this.f++]<<8;this.i=this.j=this.a[this.g]=this.a[this.g]+1&255};f.sc=function(){this.f+=(this.j&255?0:(this.D--,this.a[this.f]<<24>>24))+1};
 f.Hb=function(){this.b=this.a[this.f++];this.b=(this.a[this.b]|this.a[this.b+1]<<8)+this.F;this.c=this.h-this.a[this.b]-(this.c&256?0:1);this.A=this.h^this.a[this.b];this.v=this.c;this.i=this.j=this.h=this.c&255;this.c^=256};f.qe=function(){this.b=this.a[this.f++];this.b=(this.a[this.b]|this.a[this.b+1]<<8)+this.F;this.h=Q(this,this.h,this.a[this.b])};
-f.Jb=function(){this.b=this.a[this.f++]+this.w&255;this.c=this.h-this.a[this.b]-(this.c&256?0:1);this.A=this.h^this.a[this.b];this.v=this.c;this.i=this.j=this.h=this.c&255;this.c^=256};f.se=function(){this.b=this.a[this.f++]+this.w&255;this.h=Q(this,this.h,this.a[this.b])};f.kd=function(){this.g=this.a[this.f++]+this.w&255;this.i=this.j=this.a[this.g]=this.a[this.g]+1&255};f.ue=function(){Ia(this)};
+f.Jb=function(){this.b=this.a[this.f++]+this.w&255;this.c=this.h-this.a[this.b]-(this.c&256?0:1);this.A=this.h^this.a[this.b];this.v=this.c;this.i=this.j=this.h=this.c&255;this.c^=256};f.se=function(){this.b=this.a[this.f++]+this.w&255;this.h=Q(this,this.h,this.a[this.b])};f.kd=function(){this.g=this.a[this.f++]+this.w&255;this.i=this.j=this.a[this.g]=this.a[this.g]+1&255};f.ue=function(){Ha(this)};
 f.Eb=function(){this.b=(this.a[this.f++]|this.a[this.f++]<<8)+this.F;this.c=this.h-this.a[this.b]-(this.c&256?0:1);this.A=this.h^this.a[this.b];this.v=this.c;this.i=this.j=this.h=this.c&255;this.c^=256};f.ne=function(){this.b=(this.a[this.f++]|this.a[this.f++]<<8)+this.F;this.h=Q(this,this.h,this.a[this.b])};
 f.Db=function(){this.b=(this.a[this.f++]|this.a[this.f++]<<8)+this.w;this.c=this.h-this.a[this.b]-(this.c&256?0:1);this.A=this.h^this.a[this.b];this.v=this.c;this.i=this.j=this.h=this.c&255;this.c^=256};f.me=function(){this.b=(this.a[this.f++]|this.a[this.f++]<<8)+this.w;this.h=Q(this,this.h,this.a[this.b])};f.hd=function(){this.g=(this.a[this.f++]|this.a[this.f++]<<8)+this.w;this.i=this.j=this.a[this.g]=this.a[this.g]+1&255};
-f.Je=function(){var a;a=this.a[this.f++];switch(a){case 0:this.l("HALT");this.aa();break;case 1:a=this.f;for(var b="";a<this.a.length;){var c=this.a[a++];if(!c)break;b+=String.fromCharCode(c)}this.f=a;b=b.replace(/%A/g,n(this.h,2)).replace(/%X/g,n(this.w,2)).replace(/%Y/g,n(this.F,2));this.l(b);Ga(this);break;default:this.f-=2,this.l("undefined opSim: "+p(a)+" at "+q(this.f)),this.aa()}};f.m=function(){var a=this.a[--this.f];this.l("undefined opcode: "+p(a)+" at "+q(this.f));this.aa()};
-x(function(){for(var a=F(document,"c1pjs","cpu"),b=0;b<a.length;b++){var c=a[b],d=D(c),d=new ua(d);E(d,c)}});function R(a){z.call(this,"C1PROM",a);this.b=this.a=null;this.g=a.size;if(this.o=a.image){a=this.o;var b;b=this.o;var c="",d=b.lastIndexOf(".");0<=d&&(c=b.substr(d+1).toLowerCase());b=c;"json"!=b&&"hex"!=b&&(a="http://"+(window?window.location.host:"www.pcjs.org")+"/api/v1/dump?file="+this.o+"&format=bytes");t(a,this,this.A)}}B(R);
-R.prototype.ba=function(a,b,c,d){this.a=a;this.v=b;a=c-b+1;this.g||(this.g=a);a!=this.g?ra(this,"computer-specified ROM size ("+q(a)+") does not match component-specified size ("+q(this.g)+")"):(d&&(this.s=d,N(d,b,c,this,this.W)),Ka(this))};R.prototype.ha=function(a,b){a&&!this.C.M&&(this.C.M=!0,this.u=L(b,"debugger"))};R.prototype.W=function(a,b){if(void 0!==b){this.u&&S(this.u,this,a,b,this.u.pb,!0);var c=a-this.v;this.a[this.v+c]=this.b?this.b[c]:0}};
-R.prototype.A=function(a,b,c){if(c)this.l('Error loading ROM "'+a+'" ('+c+")");else{if("["==b.charAt(0)||"{"==b.charAt(0))try{var d=eval("("+b+")"),e=d.bytes;e?this.b=e:this.b=d}catch(g){this.l('Error processing ROM "'+a+'": '+g.message);return}else for(a=b.replace(/\n/gm," ").replace(/ +$/,"").split(" "),this.b=Array(a.length),b=0;b<a.length;b++)this.b[b]=parseInt(a[b],16);Ka(this)}};
-function Ka(a){if(!K(a))if(!a.o)a.X();else if(a.b&&a.a){var b=a.b.length;if(b!=a.g)ra(a,"ROM image size ("+q(b)+") does not match component-specified size ("+q(a.g)+")");else{for(var c=0;c<b;c++)a.a[a.v+c]=a.b[c];a.X()}}}x(function(){for(var a=F(document,"c1pjs","rom"),b=0;b<a.length;b++){var c=a[b],d=D(c),d=new R(d);E(d,c)}});function La(a){z.call(this,"C1PRAM",a)}B(La);La.prototype.ba=function(a){this.a=a;this.X()};
-x(function(){for(var a=F(document,"c1pjs","ram"),b=0;b<a.length;b++){var c=a[b],d=D(c),d=new La(d);E(d,c)}});
-function Ma(a){z.call(this,"C1PKeyboard",a);this.C.M=!1;this.Ia=a.model;this.da=8;this.fb=10;this.Xa=13;this.ia=27;this.Oa=this.da;this.Wa=this.fb;this.Ja=this.Xa;this.$=this.ia;this.L=241;this.Z=224;this.Sa=3;this.Ta=15;this.K=1;this.D=[];this.D["break"]=this.Z;this.D.esc=this.$;this.D["ctrl-c"]=this.Sa;this.D["ctrl-o"]=this.Ta;this.b=[];this.b[49]=30464;this.b[33]=30704;this.b[50]=30208;this.b[34]=30448;this.b[51]=29952;this.b[35]=30192;this.b[52]=29696;this.b[36]=29936;this.b[53]=29440;this.b[37]=
+f.Je=function(){var a;a=this.a[this.f++];switch(a){case 0:this.l("HALT");this.aa();break;case 1:a=this.f;for(var b="";a<this.a.length;){var c=this.a[a++];if(!c)break;b+=String.fromCharCode(c)}this.f=a;b=b.replace(/%A/g,n(this.h,2)).replace(/%X/g,n(this.w,2)).replace(/%Y/g,n(this.F,2));this.l(b);Fa(this);break;default:this.f-=2,this.l("undefined opSim: "+p(a)+" at "+q(this.f)),this.aa()}};f.m=function(){var a=this.a[--this.f];this.l("undefined opcode: "+p(a)+" at "+q(this.f));this.aa()};
+x(function(){for(var a=F(document,"c1pjs","cpu"),b=0;b<a.length;b++){var c=a[b],d=D(c),d=new ta(d);E(d,c)}});function R(a){z.call(this,"C1PROM",a);this.b=this.a=null;this.g=a.size;if(this.o=a.image){a=this.o;var b;b=this.o;var c="",d=b.lastIndexOf(".");0<=d&&(c=b.substr(d+1).toLowerCase());b=c;"json"!=b&&"hex"!=b&&(a="http://"+(window?window.location.host:"www.pcjs.org")+"/api/v1/dump?file="+this.o+"&format=bytes");t(a,this,this.A)}}B(R);
+R.prototype.ba=function(a,b,c,d){this.a=a;this.v=b;a=c-b+1;this.g||(this.g=a);a!=this.g?qa(this,"computer-specified ROM size ("+q(a)+") does not match component-specified size ("+q(this.g)+")"):(d&&(this.s=d,N(d,b,c,this,this.W)),Ja(this))};R.prototype.ha=function(a,b){a&&!this.C.M&&(this.C.M=!0,this.u=L(b,"debugger"))};R.prototype.W=function(a,b){if(void 0!==b){this.u&&S(this.u,this,a,b,this.u.pb,!0);var c=a-this.v;this.a[this.v+c]=this.b?this.b[c]:0}};
+R.prototype.A=function(a,b,c){if(c)this.l('Error loading ROM "'+a+'" ('+c+")");else{if("["==b.charAt(0)||"{"==b.charAt(0))try{var d=eval("("+b+")"),e=d.bytes;e?this.b=e:this.b=d}catch(g){this.l('Error processing ROM "'+a+'": '+g.message);return}else for(a=b.replace(/\n/gm," ").replace(/ +$/,"").split(" "),this.b=Array(a.length),b=0;b<a.length;b++)this.b[b]=parseInt(a[b],16);Ja(this)}};
+function Ja(a){if(!K(a))if(!a.o)a.X();else if(a.b&&a.a){var b=a.b.length;if(b!=a.g)qa(a,"ROM image size ("+q(b)+") does not match component-specified size ("+q(a.g)+")");else{for(var c=0;c<b;c++)a.a[a.v+c]=a.b[c];a.X()}}}x(function(){for(var a=F(document,"c1pjs","rom"),b=0;b<a.length;b++){var c=a[b],d=D(c),d=new R(d);E(d,c)}});function Ka(a){z.call(this,"C1PRAM",a)}B(Ka);Ka.prototype.ba=function(a){this.a=a;this.X()};
+x(function(){for(var a=F(document,"c1pjs","ram"),b=0;b<a.length;b++){var c=a[b],d=D(c),d=new Ka(d);E(d,c)}});
+function La(a){z.call(this,"C1PKeyboard",a);this.C.M=!1;this.Ia=a.model;this.da=8;this.fb=10;this.Xa=13;this.ia=27;this.Oa=this.da;this.Wa=this.fb;this.Ja=this.Xa;this.$=this.ia;this.L=241;this.Z=224;this.Sa=3;this.Ta=15;this.K=1;this.D=[];this.D["break"]=this.Z;this.D.esc=this.$;this.D["ctrl-c"]=this.Sa;this.D["ctrl-o"]=this.Ta;this.b=[];this.b[49]=30464;this.b[33]=30704;this.b[50]=30208;this.b[34]=30448;this.b[51]=29952;this.b[35]=30192;this.b[52]=29696;this.b[36]=29936;this.b[53]=29440;this.b[37]=
 29680;this.b[54]=29184;this.b[38]=29424;this.b[55]=28928;this.b[39]=29168;this.b[56]=26368;this.b[40]=26608;this.b[57]=26112;this.b[41]=26352;this.b[48]=25856;this.b[58]=25600;this.b[42]=25840;this.b[45]=25344;this.b[61]=25584;this.b[46]=22272;this.b[62]=22512;this.b[108]=22016;this.b[76]=22256;this.b[92]=22256;this.b[111]=21760;this.b[79]=22E3;this.b[this.Oa]=22E3;this.b[this.Wa]=21504;this.b[this.Ja]=21248;this.b[119]=18176;this.b[87]=18416;this.b[101]=17920;this.b[69]=18160;this.b[114]=17664;this.b[82]=
 17904;this.b[116]=17408;this.b[84]=17648;this.b[121]=17152;this.b[89]=17392;this.b[117]=16896;this.b[85]=17136;this.b[105]=16640;this.b[73]=16880;this.b[115]=14080;this.b[83]=14320;this.b[100]=13824;this.b[68]=14064;this.b[102]=13568;this.b[70]=13808;this.b[103]=13312;this.b[71]=13552;this.b[104]=13056;this.b[72]=13296;this.b[106]=12800;this.b[74]=13040;this.b[107]=12544;this.b[75]=12784;this.b[91]=12784;this.b[120]=9984;this.b[88]=10224;this.b[99]=9728;this.b[67]=9968;this.b[118]=9472;this.b[86]=
-9712;this.b[98]=9216;this.b[66]=9456;this.b[110]=8960;this.b[78]=9200;this.b[94]=9200;this.b[109]=8704;this.b[77]=8944;this.b[93]=8944;this.b[44]=8448;this.b[60]=8688;this.b[113]=5888;this.b[81]=6128;this.b[97]=5632;this.b[65]=5872;this.b[122]=5376;this.b[90]=5616;this.b[32]=5120;this.b[47]=4864;this.b[63]=5104;this.b[59]=4608;this.b[43]=4848;this.b[112]=4352;this.b[80]=4592;this.b[64]=4592;this.b[this.L]=1536;this.b[this.$]=1280;this.b[240]=512;this.b[242]=256;this.b[244]=0;this.reset()}B(Ma);
-f=Ma.prototype;f.reset=function(){this.Na(this.Ia);this.g=this.K;this.oa=0;this.o=[this.K,0,0,0,0,0,0,0];this.P=[];if(this.v)for(var a in this.v)isNaN(+a)||this.v[a]&&clearTimeout(this.v[a]);this.v=[];this.Aa=this.A=0;this.pa=-1;this.ja=this.o;this.qa=this.V=0;this.B=""};
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 (c.Uc[20]&12)<<4,c.Uc[16]&128&&(g&=-49,g|=(c.Uc[20]&3)<<4),g=d[g],k=g<<2&252,q=g>>4&252,g=g>>10&252):(k=(g&4?170:0)|(g&32?85:0),q=(g&2?170:0)|(g&16?85:0),g=(g&1?170:0)|(g&8?85:0)),a.Ja[f]=[k,q,g,255]}a.xb=!0}return a.Ja}function Cl(a,b,c,d){a.Lc=b;a.rd=c;a.rb=d}
 function Um(a,b){var c=!1;if(window&&a.Lc&&(!b||a.W)){var d=0,e=a.rb?a.rb:8,f=Ym(a);Zm(a,3,a.rd[0],d,e,8,a.Lc,f)&&(c=!0);d=a.rb?0:2048;e=a.rb?a.rb:9;Zm(a,1,a.rd[1],d,e,14,a.Lc,nm,om)&&(c=!0);a.rb&&Zm(a,a.nb,a.rd[1],0,a.rb,14,a.Lc,f)&&(c=!0)}return c}function Zm(a,b,c,d,e,f,g,k,q){var r=!1;null!=c&&($m(a,b,c,d,e,f,g,k,q)&&(r=!0),a.Rg&&$m(a,b<<1,c,d,e,f,g,k,q)&&(r=!0));return r}
 function $m(a,b,c,d,e,f,g,k,q){var r=!1,x=b&1?0:1,B=a.Va[b],y=16>k.length?k.length:16;B||(B={Rc:e<<x,Sc:f<<x,Ne:Array(y),xi:k.slice(0,y),xf:q,Vg:Array(y)});for(q=0;q<y;q++){var J=k[q],U=B.Ne[q]?B.xi[q]:[];if(J[0]!==U[0]||J[1]!==U[1]||J[2]!==U[2]){var r=B,U=q,F=x,O=c,V=d,Y=e,ha=f,da=g,eb=[0,0,0,0],va=document.createElement("canvas");va.width=r.Rc<<4;va.height=r.Sc<<4;for(var oa=va.getContext("2d"),Oa=void 0,ab=void 0,Ja=void 0,Vb=8>ha||!V?ha:8,Da=oa.createImageData(r.Rc,r.Sc),Oa=0;256>Oa;Oa++){for(Ja=
-0;Ja<ha;Ja++)for(var Ud=r.xf&&U&1&&Ja>=ha-2,Uc=da[Ja<Vb?O+Oa*Vb+Ja:V+Oa*Vb+Ja-Vb],Vd=0;Vd<=F;Vd++)for(ab=0;ab<Y;ab++){var Ie=ab<<F,Wd=(Ja<<F)+Vd,Je=Ud||Uc&128>>(8<=ab&&192<=Oa&&223>=Oa?7:ab)?J:eb;an(Da,Ie,Wd,Je);F&&an(Da,Ie+1,Wd,Je)}oa.putImageData(Da,(Oa&15)*r.Rc,(Oa>>4)*r.Sc)}r.Ne[U]="#"+l(J[0],2)+l(J[1],2)+l(J[2],2);r.xi[U]=J;r.Vg[U]=va;r=!0}}a.Va[b]=B;return r}function bn(a){0<a.cb||0<=a.ua?0>a.Yb&&(a.Yb=0):a.Yb=-1}
+0;Ja<ha;Ja++)for(var Ud=r.xf&&U&1&&Ja>=ha-2,Uc=da[Ja<Vb?O+Oa*Vb+Ja:V+Oa*Vb+Ja-Vb],Vd=0;Vd<=F;Vd++)for(ab=0;ab<Y;ab++){var He=ab<<F,Wd=(Ja<<F)+Vd,Ie=Ud||Uc&128>>(8<=ab&&192<=Oa&&223>=Oa?7:ab)?J:eb;an(Da,He,Wd,Ie);F&&an(Da,He+1,Wd,Ie)}oa.putImageData(Da,(Oa&15)*r.Rc,(Oa>>4)*r.Sc)}r.Ne[U]="#"+l(J[0],2)+l(J[1],2)+l(J[2],2);r.xi[U]=J;r.Vg[U]=va;r=!0}}a.Va[b]=B;return r}function bn(a){0<a.cb||0<=a.ua?0>a.Yb&&(a.Yb=0):a.Yb=-1}
 function Xm(a){if(a.W){for(var b=10;15>=b;b++)if(null==a.C.zb[b])return;var c=a.C.zb[10],b=c&31,d=a.C.zb[11]&31,e=a.C.zb[9]&31,f=!1;a.C===a.A&&(f=!0,7!=e||4!=b||d||(d=7));if(c&32||b>d&&!f||b>e)cn(a);else{c=a.C.zb[15]+((a.C.zb[14]&63)<<8);a.ua!=c&&(cn(a),a.ua=c);d=d-b+1;if(a.gg!=b||a.Be!=d)a.gg=b,a.Be=d;a.ib=e+1;bn(a)}}}
 function cn(a){if(0<=a.ua){if(void 0!==a.ka){var b=a.ka[a.ua];if(b&131072){var b=b&-131073,c=a.ua%a.O,d=a.ua/a.O|0;a.W&&a.Va[a.W]&&(a.qb&&dn(a,c,d,b,a.qb),dn(a,c,d,b));a.ka[a.ua]=b}}a.ua=-1}}
 function en(a){var b,c=a.C;a.Ge=!1;var d=c.Yd[5];if(null!=d){b=1024;var e=0,f=c.Yd[3]&31;switch(d&3){case 0:if(f){e=32;switch(f&24){case 8:e=96;break;case 16:e=160;break;case 24:e=224}c.ed=f&7}break;case 1:e=1;break;case 2:switch(f&24){default:e=2;break;case 8:e=98;break;case 16:e=162;break;case 24:e=226}break;case 3:a.nb==Dl&&(e=3,c.ed=f&7)}d&8&&(b=1280);c=c.Ie[4];null!=c&&(c&4||(b|=4096,e|=16),d&64&&(c&8&&(b|=16384,e|=4),a.Ge=!0));b|=e}return b}
@@ -1185,22 +1185,22 @@ tq(a,g[1],!0);if(B)if(a.Ba=B,void 0===g[2])a.U("begin assemble at "+mq(B)),a.Ma=
 a.U("\tbc [a]\tclear breakpoint at addr [a]"),a.U("\tbl\tlist all breakpoints"),a.U("\tbn [n]\tbreak after [n] instruction(s)");else{var V=U.charAt(1);if("l"==V){var Y=0,Y=Y+Kq(a,a.A),Y=Y+Kq(a,a.za);(Y+=Kq(a,a.la))||a.U("no breakpoints")}else if("n"==V)a.Va=Zp(a,F),a.U("break after "+a.Va+" instruction(s)");else if(void 0===F)a.U("missing breakpoint address");else{var ha={};if("*"!=F&&(ha=tq(a,F,!0,!0),!ha))break a;F=null==ha.Xa?F:ia(ha.Xa);"c"==V?null==ha.Xa?(Ep(a),a.U("all breakpoints cleared")):
 lq(a,a.A,ha)||lq(a,a.za,ha)||lq(a,a.la,ha)||a.U("breakpoint missing: "+mq(ha)):"i"==V?a.U("breakpoint "+(mc(a.ja,ha.Xa)?"enabled":"cleared")+": port "+F+" (input)"):"o"==V?a.U("breakpoint "+(qc(a.ja,ha.Xa)?"enabled":"cleared")+": port "+F+" (output)"):null!=ha.Xa&&(wq(a,ha,O),"p"==V?a.Nd(a.A,ha):"r"==V?a.Nd(a.za,ha):"w"==V?a.Nd(a.la,ha):a.U("unknown breakpoint command: "+V))}}}break;case "c":$q(a);break;case "d":a:{var da=g,eb,va=da[0],oa=da[1],Oa=da[2],ab=da[3];if("?"==oa){var Ja="";for(eb in Rp)a.ib[eb]&&
 (Ja&&(Ja+=","),Ja+=eb);Ja+=",state,symbols";a.U("dump memory commands:");a.U("\tdb [a] [#]    dump # bytes at address a");a.U("\tdw [a] [#]    dump # words at address a");a.U("\tdd [a] [#]    dump # dwords at address a");a.U("\tdh [#] [#]    dump # instructions from history");a.U("\tds [#]        dump descriptor info for selector #");Ja.length&&a.U("dump extension commands:\n\t"+Ja)}else if("state"==oa){var Vb=hr(a.ia,!0);"console"==Oa?console.log(Vb):($q(a),a.U(Vb))}else if("symbols"==oa)for(var Da=
-0;Da<a.C.length;Da++){var Ud=a.C[Da],Uc;for(Uc in Ud.Md)if("."!=Uc.charAt(0)){var Vd=Ud.Md[Uc],Ie=Vd.o;if(void 0!==Ie){var Wd=Vd.s;void 0===Wd&&(Wd=Ud.ga);var Je=Ud.Md[Uc].l;Je&&(Uc=Je);a.U(eq(Ie,Wd)+" "+Uc)}}}else{if("ds"==va||"dg"==va||"dl"==va)va="d",da=[va,"desc",oa];"d"==va&&"page"==oa&&(va="dp",da.shift());if("dp"==va){da.shift();var ki=da[0];if(ki){var Ve=a.ic(tq(a,ki));if(-1===Ve)a.U("invalid address: "+ki);else{var ae,La=null;if(80386<=a.M.na){var be=a.ja,La={};La.ek=(Ve&-4194304)>>>20;La.zi=
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+0;Da<a.C.length;Da++){var Ud=a.C[Da],Uc;for(Uc in Ud.Md)if("."!=Uc.charAt(0)){var Vd=Ud.Md[Uc],He=Vd.o;if(void 0!==He){var Wd=Vd.s;void 0===Wd&&(Wd=Ud.ga);var Ie=Ud.Md[Uc].l;Ie&&(Uc=Ie);a.U(eq(He,Wd)+" "+Uc)}}}else{if("ds"==va||"dg"==va||"dl"==va)va="d",da=[va,"desc",oa];"d"==va&&"page"==oa&&(va="dp",da.shift());if("dp"==va){da.shift();var ki=da[0];if(ki){var Ue=a.ic(tq(a,ki));if(-1===Ue)a.U("invalid address: "+ki);else{var ae,La=null;if(80386<=a.M.na){var be=a.ja,La={};La.ek=(Ue&-4194304)>>>20;La.zi=
+a.M.Ld+La.ek;La.Db=be.ya[(La.zi&be.Mb)>>>be.Pa];La.Xi=La.Db.Xd(La.ek);La.fk=(Ue&4190208)>>>10;La.Ai=(La.Xi&-4096)+La.fk;La.Eb=be.ya[(La.Ai&be.Mb)>>>be.Pa];La.Yi=La.Eb.Xd(La.fk);La.Lk=(La.Yi&-4096)+(Ue&4095)}if(ae=La){a.U("linear     PDE addr   PDE             PTE addr   PTE             physical");a.U("---------  ---------- --------        ---------- --------        ----------");var ud="%"+l(Ue),ud=ud+("  %%"+yq(ae.zi,ae.Xi)),ud=ud+("  %%"+yq(ae.Ai,ae.Yi,!0)),ud=ud+("  %%"+l(ae.Lk));a.U(ud)}else a.U("unsupported operation")}}else a.U("missing address")}else{if("d"==
 va){if("disk"==oa){da[0]="l";da[1]="json";dr(a,da);break a}for(eb in Rp)if(da[1]==eb){var gn=a.ib[eb];gn?(da.shift(),da.shift(),gn(da)):a.U("no dump registered for "+oa);break a}oa||(va=a.Lc||"db")}else a.Lc=va;if("dh"==va){var hn=oa,jn=Oa,kn="",ln=0,tb=a.Oa,wc=a.qa;if(wc.length){var Eb=+hn||a.Zb,ce=+jn||10;isNaN(Eb)?Eb=ce:kn="more ";Eb>wc.length&&(a.U("note: only "+wc.length+" available"),Eb=wc.length);tb-=Eb;0>tb&&(null==wc[wc.length-1].ga?(Eb=tb+Eb,tb=0):tb+=wc.length);var li=[];"call"==jn&&(ce=
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-(Oa=Oa.substr(1)||ab),sg=Zp(a,Oa)>>>0,65536<sg&&(sg=65536));for(var ud="",Ar=(sg||128)+15>>4||1,mi="dd"==va?4:"dw"==va?2:1,nn=0;nn<Ar;nn++){for(var tg=0,ni=0,We="",oi="",oa=mq(de),pi=0;16>pi;pi++){var ug=a.Wa(de,1),tg=tg|ug<<(ni++<<3);ni==mi&&(We+=l(tg,2*mi),We+=1==mi?7==pi?"-":" ":"  ",tg=ni=0);oi+=32<=ug&&128>ug?String.fromCharCode(ug):"."}ud&&(ud+="\n");ud+=oa+"  "+We+" "+oi}ud&&a.U(ud);a.Jb=de}}}}}break;case "e":if("else"==g[0])break;var vg=1,on=255,pn=a.Wa,qn=a.tc;"ew"==g[0]&&(vg=2,on=65535,
-pn=a.va,qn=a.pb);var rn=vg<<1,sn=g[1];if(null==sn)a.U("edit memory commands:"),a.U("\teb [a] [...]  edit bytes at address a"),a.U("\tew [a] [...]  edit words at address a");else{var wg=tq(a,sn);if(wg)for(var xg=2;xg<g.length;xg++){var Xe=vq(a,g[xg]);if(void 0===Xe){a.U("unrecognized value: "+g[xg]);break}Xe&~on&&a.U("warning: "+l(Xe)+" exceeds "+vg+"-byte value");var Br=pn.call(a,wg);a.U("changing "+mq(wg)+" from 0x"+l(Br,rn)+" to 0x"+l(Xe,rn));qn.call(a,wg,Xe,vg)}}break;case "f":ar(a,g[1]);break;
-case "g":a:{var tn=g[1],Cr=b;"gt"==g[0]&&(a.lb=!0);if(void 0!==tn){var qi=tq(a,tn,!0);if(!qi)break a;wq(a,qi,Cr);a.Nd(a.A,qi,!0)}a.Je(!0)||c||a.U("cpu busy or unavailable, run command ignored")}break;case "h":var ri;a.ra.Ob?(ri="halting",a.bc()):ri="already halted";c||a.U(ri);break;case "i":if("if"==g[0]){var si;var Ye=b.substr(2),Ye=qa(Ye);vq(a,Ye)?(c||a.U("true: "+Ye),si=!0):(c||a.U("false: "+Ye),si=!1);si||(d=!1);break}if("int"==g[0]){var yg;a:switch(Zp(a,g[1])){case 19:Yj(a,19,a.M.Na,!0);a.Ha=
-a.wa;yg=!0;break a;case 33:Yj(a,33,a.M.Na,!0);a.Ha=a.wa;yg=!0;break a;default:yg=!1}yg||(d=!1);break}var ti=g[1];if(ti&&"?"!=ti){var ui=Zp(a,ti);if(void 0!==ui){var Dr=oc(a.ja,ui,1);a.U(ia(ui)+": "+ga(Dr))}}else a.U("input commands:"),a.U("\ti [p]\tread port [p]"),a.U("warning: port accesses can affect hardware state");break;case "k":var Er=g[0];if("?"==g[1])a.U("stack trace commands:"),a.U("\tk\tshow frame addresses"),a.U("\tks\tshow symbol information");else{var vi=0,un=a.M.Ca.ga,Ze=Dp(a),Wc=Dp(a,
-u(a.M),a.M.Aa.ga);for(a.U("stack trace for "+mq(Wc));10>vi;){for(var xc=null,Fr=256;Wc.Xa>>>0<a.M.Mg>>>0;){Ze.Xa=a.vb(Wc,!0);if(null==Wc.Ia||!Fr--)break;Ze.ga=un;if(xc=fr(a,Ze))break;Ze.ga=a.vb(Wc);if(xc=fr(a,Ze,!0)){un=a.vb(Wc,!0);0<xc.indexOf("INT")&&a.vb(Wc,!0);break}}if(!xc||null==xc)break;var vn=null;if("ks"==Er){var wn=xc.match(/[0-9A-F]+$/);wn&&(vn=cr(a,wn[0]))}xc=pa(xc,50)+"  ;"+(vn||"stack="+mq(Wc));a.U(xc);vi++}vi||a.U("no return addresses found")}break;case "l":if("ln"==g[0]){cr(a,g[1],
-!0);break}dr(a,g);break;case "m":if("mouse"==g[0]){var wi=g[1],zg=g[2];if(a.Y){var xn=1;"-"==zg.charAt(0)&&(xn=-1,zg=zg.substr(1));var vd=Zp(a,zg,wi);if(void 0!==vd)switch(vd=vd*xn|0,wi){case "x":a.Y.Ff(vd,0);break;case "y":a.Y.Ff(0,vd);break;case "click":a.Y.ge(vd,!0);a.Y.ge(vd,!1);break;default:a.U("unknown action: "+wi)}}else a.U("no mouse");break}a:{var yc,zc=null,Va=g[1];"?"==Va&&(Va=void 0);if(void 0!==Va){var wd=0;if("all"==Va)wd=1610481663,Va=null;else if("on"==Va)zc=!0,Va=null;else if("off"==
-Va)zc=!1,Va=null;else{"keys"==Va&&(Va="key");"kbd"==Va&&(Va="keyboard");for(yc in Rp)if(Va==yc){wd=Rp[yc];zc=!!(a.wc&wd);break}if(!wd){a.U("unknown message category: "+Va);break a}}wd&&("on"==g[2]?(a.wc|=wd,zc=!0):"off"==g[2]&&(a.wc&=~wd,zc=!1))}var Gr=0,Xc="";for(yc in Rp)if(!Va||Va==yc){var Hr=!!(a.wc&Rp[yc]);if(null===zc||zc==Hr)Xc&&(Xc+=","),++Gr%10||(Xc+="\n\t"),"key"==yc&&(yc="keys"),Xc+=yc}void 0===Va&&a.U("message commands:\n\tm [category] [on|off]\tturn categories on/off");a.U((null!==zc?
+(Oa=Oa.substr(1)||ab),sg=Zp(a,Oa)>>>0,65536<sg&&(sg=65536));for(var vd="",Ar=(sg||128)+15>>4||1,mi="dd"==va?4:"dw"==va?2:1,nn=0;nn<Ar;nn++){for(var tg=0,ni=0,Ve="",oi="",oa=mq(de),pi=0;16>pi;pi++){var ug=a.Wa(de,1),tg=tg|ug<<(ni++<<3);ni==mi&&(Ve+=l(tg,2*mi),Ve+=1==mi?7==pi?"-":" ":"  ",tg=ni=0);oi+=32<=ug&&128>ug?String.fromCharCode(ug):"."}vd&&(vd+="\n");vd+=oa+"  "+Ve+" "+oi}vd&&a.U(vd);a.Jb=de}}}}}break;case "e":if("else"==g[0])break;var vg=1,on=255,pn=a.Wa,qn=a.tc;"ew"==g[0]&&(vg=2,on=65535,
+pn=a.va,qn=a.pb);var rn=vg<<1,sn=g[1];if(null==sn)a.U("edit memory commands:"),a.U("\teb [a] [...]  edit bytes at address a"),a.U("\tew [a] [...]  edit words at address a");else{var wg=tq(a,sn);if(wg)for(var xg=2;xg<g.length;xg++){var We=vq(a,g[xg]);if(void 0===We){a.U("unrecognized value: "+g[xg]);break}We&~on&&a.U("warning: "+l(We)+" exceeds "+vg+"-byte value");var Br=pn.call(a,wg);a.U("changing "+mq(wg)+" from 0x"+l(Br,rn)+" to 0x"+l(We,rn));qn.call(a,wg,We,vg)}}break;case "f":ar(a,g[1]);break;
+case "g":a:{var tn=g[1],Cr=b;"gt"==g[0]&&(a.lb=!0);if(void 0!==tn){var qi=tq(a,tn,!0);if(!qi)break a;wq(a,qi,Cr);a.Nd(a.A,qi,!0)}a.Je(!0)||c||a.U("cpu busy or unavailable, run command ignored")}break;case "h":var ri;a.ra.Ob?(ri="halting",a.bc()):ri="already halted";c||a.U(ri);break;case "i":if("if"==g[0]){var si;var Xe=b.substr(2),Xe=qa(Xe);vq(a,Xe)?(c||a.U("true: "+Xe),si=!0):(c||a.U("false: "+Xe),si=!1);si||(d=!1);break}if("int"==g[0]){var yg;a:switch(Zp(a,g[1])){case 19:Yj(a,19,a.M.Na,!0);a.Ha=
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