Made a tiny 72-bit division optimization

This commit is contained in:
Jeff 2017-04-02 11:43:54 -07:00 committed by Jeff Parsons
commit 3fb3f44384
3 changed files with 33 additions and 34 deletions

View file

@ -6253,8 +6253,7 @@ PDP10.doDIV = function(src, dst, ext)
ext = (dst > PDP10.INT_MASK)? PDP10.WORD_MASK : 0;
} else {
var srcAbs = (src < PDP10.INT_LIMIT? src : PDP10.TWO_POW36 - src);
var dstAbs = (dst < PDP10.INT_LIMIT? dst : PDP10.TWO_POW36 - dst);
var extAbs = (ext < PDP10.INT_LIMIT? ext : PDP10.TWO_POW36 - ext - (dstAbs? 1 : 0));
var extAbs = (ext < PDP10.INT_LIMIT? ext : PDP10.TWO_POW36 - ext - (dst? 1 : 0));
if (extAbs >= srcAbs) {
this.regPS |= PDP10.PSFLAG.DCK | PDP10.PSFLAG.AROV;
return -1;

View file

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@ -109,8 +109,8 @@ function Fd(a,b){var c=this.f(this.b),d=this.f(b);this.g(b,Gd(a,d,c)+(c-(c&x)))}
function Ld(a,b){var c=this.b*y,d=this.f(b);this.g(b,Gd(a,d,c)+c)}function ce(a,b){b=(this.f(b)&x)*y;var c=this.f(this.b);this.g(this.b,Gd(a,c,b)+b)}function de(a,b){var c=this.f(this.b),d=(c&x)*y,c=Gd(a,c,d)+d;this.g(this.b,c);b&&this.g(b,c)}function ee(a,b){var c=this.f(this.b)&x,d=this.f(b);this.g(b,fe(a,d,c)+c)}function ge(a,b){var c=this.f(b);this.g(b,fe(a,c,this.b)+this.b)}function he(a,b){b=this.f(b)&x;var c=this.f(this.b);this.g(this.b,fe(a,c,b)+b)}
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function(a){this.w(a)}];
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n(e<<d.G.i,8)+" %"+n(p.B,8)+" "+n(p.Ya,4,!0)+" "+n(p.size,4,!0)+" "+l),c!=Oc&&(c=-1),l=0);a+=16384;e++}}});Mb(this)};
m.ta=function(a,b,c){var d=this;switch(b){case "debugInput":return this.ga=this.J[b]=c,c.onkeydown=function(a){var b;if(13==a.keyCode)b=c.value,c.value="",ed(d,b,!0);else if(27==a.keyCode)c.value=b="";else if(38==a.keyCode?(b=null,d.C<d.w.length-1&&(b=d.w[++d.C])):40==a.keyCode&&(0<d.C?b=d.w[--d.C]:(b="",d.C=-1)),null!=b){var e=b.length;c.value=b;c.setSelectionRange(e,e)}null!=b&&a.preventDefault&&a.preventDefault()},!0;case "debugEnter":return this.J[b]=c,Wa(c,function(){if(d.ga){var a=d.ga.value;
d.ga.value="";ed(d,a,!0);return!0}return!1}),!0;case "step":return this.J[b]=c,Wa(c,function(a){var b=!1;Nb(d,!0)||(Ob(d,!0),b=tc(d,a?1:0,null),Ob(d,!1));return b}),!0}return!1};function dd(a){if(a.ga){var b=0,c=0;window&&(b=window.scrollX,c=window.scrollY);a.ga.focus();window&&window.scrollTo(b,c)}}m.Na=function(a,b){var c=-1,d=cf(a);-1!==d&&(c=zc(this.G,d),b&&null!=a.B&&(a.B+=b||1));return c};m.zb=function(a,b,c){var d=cf(a);-1!==d&&(yc(this.G,d,b),c&&null!=a.B&&(a.B+=c||1),K(this.H,-1))};
m.Jb=function(a,b){0>a&&(a+=D);0>b&&(b+=D);a=xe.call(this.v,a,b,!1,!0);a>=B&&(a-=D);return a};
@ -197,7 +197,7 @@ m.vb=function(a){var b,c=this.v;switch(a){case nf:b=c.i;break;case of:b=c.I;brea
m.message=function(a,b){b&&(a+=" @"+L(this,Z(this.v.pa).B,18));if(!this.ba||a!=this.ba)if(this.ba=a,this.ca&1073741824)this.R.push(a);else{var c;if(this.ca&-2147483648&&this.v&&(c=this.v.A.P)||Nb(this,!0))this.Y(),c&&(a+=" (cpu halted)");this.u(a);this.v&&(a=this.v,md(a),a.na=0,a.H&&K(a.H,void 0))}};
function af(a){var b;if(!td(a))a.j&&a.j.length&&a.u("instruction history buffer freed"),a.W=0,a.j=[];else if(!a.j||!a.j.length){a.j=Array(wf);for(b=0;b<a.j.length;b++)a.j[b]=Z();a.W=0;a.u("instruction history buffer allocated")}}function xf(a,b,c){if(!yf(a,c))return!1;sc(a.v,b);return!0}
function tc(a,b,c,d){if(!yf(a))return!1;var e="";null===c&&(e=(c=!a.Ea||"tr"==a.Ea)?"tr":"t");a.F=0;b||td(a)&&ud(a,a.v.i,0);try{b=kd(a.v,b);var f=a.v.$a(b);0<f&&(uc(a.v,f),a.F+=f,vc(a.v,f,!0),wc(a.v,f),a.oa++)}catch(g){"number"!=typeof g&&(a.F=0,yb(a.v,g.stack||g.message))}!1!==d&&(a.na&&a.na.stop(),K(a.H,-1));cd(a,c||!1,e);return 0<a.F}m.Y=function(a){this.v&&this.v.Y(a)};function cd(a,b,c){b=void 0===b?!0:b;a.Ja&&(c&&a.u(zf+c),df(a.M,a.v.i),b&&1!=a.O?Af(a):Bf(a))}
function yf(a,b){var c;(c=!a.v||!Ab(a.v))||(c=a.v,c.A.aa?c=!0:(c.u(c.toString()+" not powered"),c=!1),c=!c);return c||a.v.A.P?(b||a.u("cpu busy or unavailable, command ignored"),!1):!zb(a.v)}m.Ca=function(a,b){return!b&&(this.reset(!0),a)?this.restore(a):!0};m.sa=function(a,b){b&&this.u(a?"suspending":"shutting down");return a?this.save():!0};m.reset=function(a){af(this);this.oa=0;this.ba=null;this.F=0;df(this.M,this.v.i);this.A.P=!1;Cf(this);a||cd(this)};
function yf(a,b){var c;(c=!a.v||!Bb(a.v))||(c=a.v,c.A.aa?c=!0:(c.u(c.toString()+" not powered"),c=!1),c=!c);return c||a.v.A.P?(b||a.u("cpu busy or unavailable, command ignored"),!1):!zb(a.v)}m.Ca=function(a,b){return!b&&(this.reset(!0),a)?this.restore(a):!0};m.sa=function(a,b){b&&this.u(a?"suspending":"shutting down");return a?this.save():!0};m.reset=function(a){af(this);this.oa=0;this.ba=null;this.F=0;df(this.M,this.v.i);this.A.P=!1;Cf(this);a||cd(this)};
m.save=function(){var a=new G(this);a.set(0,ef(this.M));a.set(1,ef(this.pa));a.set(2,ef(this.ka));a.set(3,[this.w,this.V,this.ca]);a.set(4,this.I);return a.data()};m.restore=function(a){var b=0;void 0!==a[3]&&(this.M=ff(this,a[b++]),this.pa=ff(this,a[b++]),this.ka=ff(this,a[b++]),this.w=a[b][0],"string"==typeof this.w&&(this.w=[this.w]),this.V=a[b][1],this.ca|=a[b][2]);a[4]&&(this.I=a[4]);return!0};m.start=function(a,b){this.O||this.u("running");this.A.P=!0;this.Ka=a;this.La=b};
m.stop=function(a,b){if(this.A.P){this.A.P=!1;this.F=b-this.La;if(!this.O){b="stopped";if(this.F){a-=this.Ka;var c=0<a?Math.round(1E3*this.F/a):0;b+=" (";td(this)&&(b+=this.oa+" instructions, ",this.oa=0);b+=this.F+" cycles, "+a+" ms, "+c+" hz)"}else Pb(this,-2147483648)&&(b+=" (use the 't' command to execute blocked faults)");this.u(b)}cd(this,!0);dd(this);Cf(this,this.v.i);this.ba=null}};function td(a){return 1<a.b.length||!!a.qa}
function ud(a,b,c){var d=-1;c||(d=a.v.f(b),2756==d>>23&&a.v.pa==b&&(b=sd(a.v,1)));if(0<c&&(a.qa&&!--a.qa||Xc(a,b,1,a.b)))return!0;0<=c&&a.j.length&&(a.oa++,0>d&&(d=a.v.f(b)),0<=d&&(df(a.j[a.W],b),++a.W==a.j.length&&(a.W=0)));return!1}
@ -219,20 +219,20 @@ function Af(a,b){var c;if(b&&"?"==b[1])a.u("register commands:"),a.u("\tr\tdump
g);df(a.M,h.i);break;case qf:rd(h,g);break;case rf:f=131072;break;case sf:f=65536;break;case tf:f=32768;break;case uf:f=32;break;case vf:f=262144}f&&(h.j=g?h.j|f:h.j&~f);K(a.H);a.u("updated registers:")}}a.u(Qf(a,e));c&&(df(a.M,0<=d.O?d.O:d.I&4194304?d.pa:d.i),Bf(a,L(a,a.M.B,18)))}}function yg(a,b){b=Da(b);var c=b.match(/^(['"])(.*?)\1$/);c?1<c[2].length?a.u(c[2]):We(a,null,c[2].charCodeAt(0)):Ve(a,b,!1)}
function zg(a,b,c){if("?"==c)a.u("trace commands:"),a.u("\tt [#]\ttrace # instructions"),a.u("\ttr [#]\ttrace # instructions with register updates"),a.u("\ttc [#]\ttrace # cycles"),a.u("note: bn [#] breaks after # instructions without updates");else{var d="t"!=b;c=Qe(a,c,null,!0)||1;var e=0;"tc"==b&&(e=c,c=1);a.Ea=b;Va(c,function(){return Ob(a,!0)&&tc(a,e,d,!1)},function(){a.na&&a.na.stop();K(a.H,-1);Ob(a,!1)})}}
function Bf(a,b,c,d){b=hf(a,b,a.M);void 0===d&&(d=1);var e=256;if(void 0!==c)if("l"==c.charAt(0))c=Qe(a,c.substr(1)),null!=c&&(d=c);else{d=hf(a,c);if(d.B<b.B)return;e=d.B-b.B;if(256<e){a.u("range too large");return}d=-1}for(c=0;0<e&&d--;){var f=Nb(a,!1)||a.O?a.F:null,g=null!=f?"cycles":null,h=Rf(a,b),k=b.B;if(h[0]&&d&&(!c&&d||0>h[0].indexOf("+"))){var l=h[0]+":";h[2]&&(l+=" "+h[2]);a.u(l)}h[3]&&(g=h[3],f=null);h=a.ka;l=b;h.B=l.B;h.fb=l.fb;h.ra=l.ra;h.U=l.U;a.u(Df(a,b,g,f));e-=b.B-k;c++}}
function Pf(a,b,c){var d=!0;try{b.length&&"end"!=b?c||a.u(zf+b):(a.V&&(a.u("ended assemble at "+L(a,a.ka.B,18)),a.V=!1),b="");var e=b.charAt(0);if('"'==e||"'"==e)return!0;a.ba=null;if(Ab(a)&&0<b.length){a.V&&(b="a "+L(a,a.ka.B,18)+" "+b);var f=!1,g=b.replace(/ +/g," ").split(" ");g[0]=g[0].toLowerCase();if(g&&g.length)for(var h=g[0],k=h.charAt(0),l=1;l<h.length;l++){var p=h.charAt(l);if("?"==k||"r"==k||"a">p||"z"<p){g[0]=h.substr(l);g.unshift(h.substr(0,l));break}}switch(g[0].charAt(0)){case "a":d=
ug(a,g);break;case "b":var u=g[0],A=g[1],J=b;if("?"==A)a.u("breakpoint commands:"),a.u("\tbp #\tset exec breakpoint"),a.u("\tbr #\tset read breakpoint"),a.u("\tbw #\tset write breakpoint"),a.u("\tbc #\tclear breakpoint (* to clear all)"),a.u("\tbl\tlist all breakpoints"),a.u("\tbn [#]\tbreak after # instruction(s)");else{var F=u.charAt(1);if("l"==F){var ka;ka=0+Of(a,a.b);ka+=Of(a,a.N);(ka+=Of(a,a.K))||a.u("no breakpoints")}else if("n"==F){var Bb=+A||0;A&&(a.qa=Bb);a.u("break after "+Bb+" instruction(s)")}else if(void 0===
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ug(a,g);break;case "b":var u=g[0],A=g[1],J=b;if("?"==A)a.u("breakpoint commands:"),a.u("\tbp #\tset exec breakpoint"),a.u("\tbr #\tset read breakpoint"),a.u("\tbw #\tset write breakpoint"),a.u("\tbc #\tclear breakpoint (* to clear all)"),a.u("\tbl\tlist all breakpoints"),a.u("\tbn [#]\tbreak after # instruction(s)");else{var F=u.charAt(1);if("l"==F){var ka;ka=0+Of(a,a.b);ka+=Of(a,a.N);(ka+=Of(a,a.K))||a.u("no breakpoints")}else if("n"==F){var Ab=+A||0;A&&(a.qa=Ab);a.u("break after "+Ab+" instruction(s)")}else if(void 0===
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Od.Z[kb].l;Tf&&(kb=Tf);a.u(L(a,Sf,18)+" "+kb)}}}else{if("d"==ib){for(hb in bc)if(g[1]==hb){var Uf=a.wa[hb];Uf?(g.shift(),g.shift(),Uf(g)):a.u("no dump registered for "+qa);break a}qa||(ib=a.Oa||"dw")}else a.Oa=ib;if("dh"==ib){var Vf=qa,Wf=Ea,Xf="",Yf=0,la=a.W,ra=a.j;if(ra.length){var ea=+Vf||a.Da,Db=+Wf||10;isNaN(ea)?ea=Db:Xf="more ";ea>ra.length&&(a.u("note: only "+ra.length+" available"),ea=ra.length);la-=ea;0>la&&(null==ra[ra.length-1].B?(ea=la+ea,la=0):la+=ra.length);var Pd=[];"call"==Wf&&(Db=
1E5,Pd=["CALL"]);for(void 0!==Vf&&a.u(ea+" instructions earlier:");0<Db&&la!=a.W;){var Zf=ra[la++];if(null==Zf.B)break;var Eb=Z(Zf.B),Kh=ea--,$f=Df(a,Eb,"history",Kh);(!Pd.length||0<=$f.indexOf(Pd[0]))&&a.u($f);Eb.sb&&(la+=Eb.sb,Db-=Eb.sb,ea-=Eb.sb);la>=ra.length&&(la=0);a.Da=ea;Yf++;Db--}}Yf||(a.u("no "+Xf+"history available"),a.Da=void 0)}else{var Na=0,ag="ds"==ib,Fb=hf(a,qa,a.pa);Ea&&("l"==Ea.charAt(0)?(Ea=Ea.substr(1)||Jh,Na=Qe(a,Ea)):Na=hf(a,Ea).B-Fb.B,0>Na&&(Na=0),65536<Na&&(Na=65536));var Lh=
a.U;Fb.U&&(a.U=Fb.U);for(var bg="db"==ib?1:2,Qd=Na||32,Rd=1==bg?1:4,Mh=(Qd+Rd-1)/Rd|0||1,Oa="";Mh--&&0<Qd;){for(var sa="",Sd="",qa=L(a,Fb.B,18),cg=Rd;0<cg--&&0<Qd--;){var Td=a.Na(Fb,1);ag?(sa&&(sa+=","),sa+=Td):(sa+=lf(a,Td),sa+=" ");for(var Jc=29,Nh=0;1==bg&&0<=Jc;Nh++)var Gb=Td/Math.pow(2,Jc)%Math.pow(2,7),sa=sa+(L(a,Gb,7)+" "),Gb=Gb+0,Sd=Sd+(32>Gb?".":String.fromCharCode(Gb)),Jc=Jc-7}Oa&&(Oa+="\n");Oa=ag?Oa+(sa+","):Oa+(qa+": "+sa+(0>cg?" "+Sd:""))}Oa&&a.u(Oa);a.U=Lh}}}break;case "e":if("else"==
g[0])break;var dg,eg,fg=g[0],Ud=g[1];"e"==fg||"ew"==fg?(dg=a.Na,eg=a.zb):Ud=null;if(null==Ud)a.u("edit memory commands:"),a.u("\tew [a] [...] edit words at address a");else for(var Vd=hf(a,Ud,a.pa),Wd=2;Wd<g.length;Wd++){var Hb=Ve(a,g[Wd]);if(void 0===Hb)break;Hb=jf(Hb);a.u("changing "+L(a,Vd.B,18)+" from "+lf(a,dg.call(a,Vd))+" to "+lf(a,Hb));eg.call(a,Vd,Hb,1)}break;case "g":var gg=g[1],Oh=b;if(void 0!==gg){var hg=hf(a,gg);kf(a,hg,Oh);a.Ra(a.b,hg,!0)}xf(a,!0,c);break;case "h":a.A.P?(c||a.u("halting"),
a.Y()):Nb(a,!0)||c||a.u("already halted");break;case "i":if("if"==g[0]){var Xd;var Ib=b.substr(2),Ib=Da(Ib);Ve(a,Ib)?(c||a.u("true: "+Ib),Xd=!0):(c||a.u("false: "+Ib),Xd=!1);Xd||(d=!1);break}f=!0;break;case "k":var Ph=g[0];if("?"==g[1])a.u("stack trace commands:"),a.u("\tk\tshow frame addresses"),a.u("\tks\tshow symbol information");else{var Yd=0,Zd=Z(),Jb=Z();for(a.u("stack trace for "+L(a,Jb.B,18));10>Yd;){for(var Pa=null,Qh=256;65536>Jb.B>>>0;){Zd.B=a.Na(Jb,2);if(null==Jb.B||!Qh--)break;if(!(Zd.B&
1)){for(var Rh=a,Kc=Zd,ig=null,Kb=Kc.B,jg=Kb,$d=1;6>=$d&&Kb;$d++){if(2<$d){Kc.B=Kb;var Lc=Df(Rh,Kc);if(0<=Lc.indexOf("JSR")){var kg=Lc.indexOf(" ");if(Kb+(Lc.indexOf(" ",kg+1)-kg-1)/2==jg){ig=Lc;break}}}Kb-=2}Kc.B=jg;if(Pa=ig)break}}if(!Pa||null==Pa)break;var lg=null;if("ks"==Ph){var mg=Pa.match(/[0-9A-F]+$/);mg&&(lg=xg(a,mg[0]))}Pa=Ca(Pa,50)+" ;"+(lg||"stack="+L(a,Jb.B,18));a.u(Pa);Yd++}Yd||a.u("no return addresses found")}break;case "l":if("ln"==g[0]){xg(a,g[1],!0);break}f=!0;break;case "m":a:{var ta,
ua=null,N=g[1];"?"==N&&(N=void 0);if(void 0!==N){var Fa=0;if("all"==N)Fa=1879046143,N=null;else if("on"==N)ua=!0,N=null;else if("off"==N)ua=!1,N=null;else{"keys"==N&&(N="key");"kbd"==N&&(N="keyboard");for(ta in bc)if(N==ta){Fa=bc[ta];ua=!!(a.ca&Fa);break}if(!Fa){a.u("unknown message category: "+N);break a}}if(Fa)if("on"==g[2])a.ca|=Fa,ua=!0;else if("off"==g[2]&&(a.ca&=~Fa,ua=!1,1073741824==Fa)){for(var ng=1E3<=a.R.length?a.R.length-1E3:0;ng<a.R.length;)a.u(a.R[ng++]);a.R=[]}}var Sh=0,Lb="";for(ta in bc)if(!N||
N==ta){var Th=!!(a.ca&bc[ta]);if(null===ua||ua==Th)Lb&&(Lb+=","),++Sh%10||(Lb+="\n\t"),"key"==ta&&(ta="keys"),Lb+=ta}void 0===N&&a.u("message commands:\n\tm [category] [on|off]\tturn categories on/off");a.u((null!==ua?ua?"messages on: ":"messages off: ":"message categories:\n\t")+(Lb||"none"));af(a)}break;case "p":if("print"==g[0]){yg(a,b.substr(5));break}var og=g[0],pg="p"==og?0:"pr"==og?1:-1;if("?"==g[1]||0>pg)a.u("step commands:"),a.u("\tp\tstep over instruction"),a.u("\tpr\tstep over instruction with register update");
else if(a.O)a.u("step in progress");else{var qg=Z(a.v.i);a.Na(qg);a.O?(a.Ra(a.b,qg,!0),xf(a)||(a.H&&jd(a.H),a.O=0)):zg(a,pg?"tr":"t")}break;case "r":if("reset"==b){a.H&&a.H.reset();break}Af(a,g);break;case "s":a:switch(g[1]){case "base":if(g[2]){var lb=+g[2];if(2==lb||8==lb||10==lb||16==lb)a.U=lb;else{a.u("invalid base: "+lb);break}}a.u("default base: "+a.U);break;case "cs":var Mb;void 0!==g[3]&&(Mb=+g[3]);switch(g[2]){case "int":a.v.qa=Mb;break;case "start":a.v.Ia=Mb;break;case "stop":a.v.va=Mb;
break;default:a.u("unknown cs option");break a}void 0!==Mb&&bd(a.v);a.u("checksums "+(a.v.A.Va?"enabled":"disabled"));break;case "sp":void 0!==g[2]&&(gd(a.v,+g[2])||a.u("warning: using 1x multiplier, previous target not reached"));a.u("target speed: "+(a.v.ga.toFixed(2)+"Mhz")+" ("+a.v.ka+"x)");break;default:if(g[1]){a.u("unknown option: "+g[1]);break}case "?":a.u("debugger options:"),a.u("\tbase #\t\tset default base to #"),a.u("\tcs int #\tset checksum cycle interval to #"),a.u("\tcs start #\tset checksum cycle start count to #"),
Od.Z[kb].l;Tf&&(kb=Tf);a.u(L(a,Sf,18)+" "+kb)}}}else{if("d"==ib){for(hb in bc)if(g[1]==hb){var Uf=a.wa[hb];Uf?(g.shift(),g.shift(),Uf(g)):a.u("no dump registered for "+qa);break a}qa||(ib=a.Oa||"dw")}else a.Oa=ib;if("dh"==ib){var Vf=qa,Wf=Ea,Xf="",Yf=0,la=a.W,ra=a.j;if(ra.length){var ea=+Vf||a.Da,Cb=+Wf||10;isNaN(ea)?ea=Cb:Xf="more ";ea>ra.length&&(a.u("note: only "+ra.length+" available"),ea=ra.length);la-=ea;0>la&&(null==ra[ra.length-1].B?(ea=la+ea,la=0):la+=ra.length);var Pd=[];"call"==Wf&&(Cb=
1E5,Pd=["CALL"]);for(void 0!==Vf&&a.u(ea+" instructions earlier:");0<Cb&&la!=a.W;){var Zf=ra[la++];if(null==Zf.B)break;var Db=Z(Zf.B),Kh=ea--,$f=Df(a,Db,"history",Kh);(!Pd.length||0<=$f.indexOf(Pd[0]))&&a.u($f);Db.sb&&(la+=Db.sb,Cb-=Db.sb,ea-=Db.sb);la>=ra.length&&(la=0);a.Da=ea;Yf++;Cb--}}Yf||(a.u("no "+Xf+"history available"),a.Da=void 0)}else{var Na=0,ag="ds"==ib,Eb=hf(a,qa,a.pa);Ea&&("l"==Ea.charAt(0)?(Ea=Ea.substr(1)||Jh,Na=Qe(a,Ea)):Na=hf(a,Ea).B-Eb.B,0>Na&&(Na=0),65536<Na&&(Na=65536));var Lh=
a.U;Eb.U&&(a.U=Eb.U);for(var bg="db"==ib?1:2,Qd=Na||32,Rd=1==bg?1:4,Mh=(Qd+Rd-1)/Rd|0||1,Oa="";Mh--&&0<Qd;){for(var sa="",Sd="",qa=L(a,Eb.B,18),cg=Rd;0<cg--&&0<Qd--;){var Td=a.Na(Eb,1);ag?(sa&&(sa+=","),sa+=Td):(sa+=lf(a,Td),sa+=" ");for(var Jc=29,Nh=0;1==bg&&0<=Jc;Nh++)var Fb=Td/Math.pow(2,Jc)%Math.pow(2,7),sa=sa+(L(a,Fb,7)+" "),Fb=Fb+0,Sd=Sd+(32>Fb?".":String.fromCharCode(Fb)),Jc=Jc-7}Oa&&(Oa+="\n");Oa=ag?Oa+(sa+","):Oa+(qa+": "+sa+(0>cg?" "+Sd:""))}Oa&&a.u(Oa);a.U=Lh}}}break;case "e":if("else"==
g[0])break;var dg,eg,fg=g[0],Ud=g[1];"e"==fg||"ew"==fg?(dg=a.Na,eg=a.zb):Ud=null;if(null==Ud)a.u("edit memory commands:"),a.u("\tew [a] [...] edit words at address a");else for(var Vd=hf(a,Ud,a.pa),Wd=2;Wd<g.length;Wd++){var Gb=Ve(a,g[Wd]);if(void 0===Gb)break;Gb=jf(Gb);a.u("changing "+L(a,Vd.B,18)+" from "+lf(a,dg.call(a,Vd))+" to "+lf(a,Gb));eg.call(a,Vd,Gb,1)}break;case "g":var gg=g[1],Oh=b;if(void 0!==gg){var hg=hf(a,gg);kf(a,hg,Oh);a.Ra(a.b,hg,!0)}xf(a,!0,c);break;case "h":a.A.P?(c||a.u("halting"),
a.Y()):Nb(a,!0)||c||a.u("already halted");break;case "i":if("if"==g[0]){var Xd;var Hb=b.substr(2),Hb=Da(Hb);Ve(a,Hb)?(c||a.u("true: "+Hb),Xd=!0):(c||a.u("false: "+Hb),Xd=!1);Xd||(d=!1);break}f=!0;break;case "k":var Ph=g[0];if("?"==g[1])a.u("stack trace commands:"),a.u("\tk\tshow frame addresses"),a.u("\tks\tshow symbol information");else{var Yd=0,Zd=Z(),Ib=Z();for(a.u("stack trace for "+L(a,Ib.B,18));10>Yd;){for(var Pa=null,Qh=256;65536>Ib.B>>>0;){Zd.B=a.Na(Ib,2);if(null==Ib.B||!Qh--)break;if(!(Zd.B&
1)){for(var Rh=a,Kc=Zd,ig=null,Jb=Kc.B,jg=Jb,$d=1;6>=$d&&Jb;$d++){if(2<$d){Kc.B=Jb;var Lc=Df(Rh,Kc);if(0<=Lc.indexOf("JSR")){var kg=Lc.indexOf(" ");if(Jb+(Lc.indexOf(" ",kg+1)-kg-1)/2==jg){ig=Lc;break}}}Jb-=2}Kc.B=jg;if(Pa=ig)break}}if(!Pa||null==Pa)break;var lg=null;if("ks"==Ph){var mg=Pa.match(/[0-9A-F]+$/);mg&&(lg=xg(a,mg[0]))}Pa=Ca(Pa,50)+" ;"+(lg||"stack="+L(a,Ib.B,18));a.u(Pa);Yd++}Yd||a.u("no return addresses found")}break;case "l":if("ln"==g[0]){xg(a,g[1],!0);break}f=!0;break;case "m":a:{var ta,
ua=null,N=g[1];"?"==N&&(N=void 0);if(void 0!==N){var Fa=0;if("all"==N)Fa=1879046143,N=null;else if("on"==N)ua=!0,N=null;else if("off"==N)ua=!1,N=null;else{"keys"==N&&(N="key");"kbd"==N&&(N="keyboard");for(ta in bc)if(N==ta){Fa=bc[ta];ua=!!(a.ca&Fa);break}if(!Fa){a.u("unknown message category: "+N);break a}}if(Fa)if("on"==g[2])a.ca|=Fa,ua=!0;else if("off"==g[2]&&(a.ca&=~Fa,ua=!1,1073741824==Fa)){for(var ng=1E3<=a.R.length?a.R.length-1E3:0;ng<a.R.length;)a.u(a.R[ng++]);a.R=[]}}var Sh=0,Kb="";for(ta in bc)if(!N||
N==ta){var Th=!!(a.ca&bc[ta]);if(null===ua||ua==Th)Kb&&(Kb+=","),++Sh%10||(Kb+="\n\t"),"key"==ta&&(ta="keys"),Kb+=ta}void 0===N&&a.u("message commands:\n\tm [category] [on|off]\tturn categories on/off");a.u((null!==ua?ua?"messages on: ":"messages off: ":"message categories:\n\t")+(Kb||"none"));af(a)}break;case "p":if("print"==g[0]){yg(a,b.substr(5));break}var og=g[0],pg="p"==og?0:"pr"==og?1:-1;if("?"==g[1]||0>pg)a.u("step commands:"),a.u("\tp\tstep over instruction"),a.u("\tpr\tstep over instruction with register update");
else if(a.O)a.u("step in progress");else{var qg=Z(a.v.i);a.Na(qg);a.O?(a.Ra(a.b,qg,!0),xf(a)||(a.H&&jd(a.H),a.O=0)):zg(a,pg?"tr":"t")}break;case "r":if("reset"==b){a.H&&a.H.reset();break}Af(a,g);break;case "s":a:switch(g[1]){case "base":if(g[2]){var lb=+g[2];if(2==lb||8==lb||10==lb||16==lb)a.U=lb;else{a.u("invalid base: "+lb);break}}a.u("default base: "+a.U);break;case "cs":var Lb;void 0!==g[3]&&(Lb=+g[3]);switch(g[2]){case "int":a.v.qa=Lb;break;case "start":a.v.Ia=Lb;break;case "stop":a.v.va=Lb;
break;default:a.u("unknown cs option");break a}void 0!==Lb&&bd(a.v);a.u("checksums "+(a.v.A.Va?"enabled":"disabled"));break;case "sp":void 0!==g[2]&&(gd(a.v,+g[2])||a.u("warning: using 1x multiplier, previous target not reached"));a.u("target speed: "+(a.v.ga.toFixed(2)+"Mhz")+" ("+a.v.ka+"x)");break;default:if(g[1]){a.u("unknown option: "+g[1]);break}case "?":a.u("debugger options:"),a.u("\tbase #\t\tset default base to #"),a.u("\tcs int #\tset checksum cycle interval to #"),a.u("\tcs start #\tset checksum cycle start count to #"),
a.u("\tcs stop #\tset checksum cycle stop count to #"),a.u("\tsp #\t\tset speed multiplier to #")}break;case "t":zg(a,g[0],g[1]);break;case "u":Bf(a,g[1],g[2],8);break;case "v":if("var"==g[0]){wg(a,b.substr(3))||(d=!1);break}if("ver"==g[0]){a.u((Rb||"PDP10")+" version 1.34.3 ("+a.v.nb+",RELEASE)");a.u(window?window.navigator.userAgent:"");break}f=!0;break;case "?":if(g[1]){yg(a,b.substr(1));break}var ae="commands:",be;for(be in Bg)ae+="\n"+Ca(be,9)+Bg[be];td(a)||(ae+="\nnote: history disabled if no exec breakpoints");
a.u(ae);break;default:f=!0}f&&(a.u("unknown command: "+b),d=!1)}}catch(sg){a.u("Debugger "+(sg.stack||sg.message)),d=!1}return d}function ed(a,b,c){null!=b&&(a.Ha=Ke(a,b,c));for(;b=a.Ha.shift();)if(!Pf(a,b))return!1;return!0}
var Bg={"?":"help/print","a [#]":"assemble","b [#]":"breakpoint",c:"clear output","d [#]":"dump memory","e [#]":"edit memory","g [#]":"go [to #]",h:"halt","if":"eval expression","int [#]":"request interrupt",k:"stack trace",ln:"list nearest symbol(s)",m:"messages",p:"step over",print:"print expression",r:"dump/set registers",reset:"reset machine",s:"set options","t [#]":"trace","u [#]":"unassemble","var":"assign variable",ver:"print version"},If=20,Jf=".WORD HLL HLLZ HLLO HLLE HRL HRLZ HRLO HRLE HRR HRRZ HRRO HRRE HLR HLRZ HLRO HLRE MOVE MOVS MOVN MOVM EXCH BLT PUSH POP LDB DPB IBP ILDB IDPB SETZ SETO SETA SETCA SETM SETCM AND ANDCA ANDCM ANDCB IOR ORCA ORCM ORCB XOR EQV LSH LSHC ROT ROTC ADD SUB MUL IMUL DIV IDIV ASH ASHC FSC FADR FSBR FMPR FDVR DFN UFA FAD FSB FMP FDV AOBJP AOBJN CAI CAM JUMP SKIP AOJ AOS SOJ SOS TR TL TD TS XCT JFFO JFCL JSR JSP JRST JSA JRA PUSHJ POPJ BLKI DATAI BLKO DATAO CONO CONI CONSZ CONSO UUO JOV JCRY0 JCRY1 JCRY JFOV HALT JRSTF JEN".split(" "),
@ -246,7 +246,7 @@ function Eg(a){if(0<=a.W.indexOf("p"))return a.u(a.G.join("")),0;var b=Xe(a.b);t
d;f+c.Ta<=a.X;f++){for(var g=void 0,g=0;g<c.Ta&&c.S[g]===a.S[f+g]&&c.Ba.ea[g]==a.ea[f];g++);if(g==c.Ta){Ig(a,c.Ba.name,f,Jg);c.Ba=null;break}}c.Ba&&(Ig(a,c.Ba.name,a.X,Jg),c.Ba.S.forEach(function(b){return function(c,d){Kg(a,c,b.Ba.ea[d])}}(c)))}for(d=0;d<a.O.length;d++){var h=a.O[d],k=a.v[h];k?Lg(a,k.ma):a.error("missing definition for variable '"+h+"'")}a.ea.forEach(function(b,c){var d=Mg(a,b,!1,c);void 0===d?a.error("unable to parse expression '"+b+"'"):(d+=a.S[c],a.S[c]=Ng(a,d,c))})}catch(l){a.u(l.message),
a.V=-1}a.b.i=b;return a.V}
function Hg(a,b,c,d,e){var f;if(a.i&&(1==a.i&&(f=b.indexOf(a.J),0<=f?(a.i++,b=b.substr(f+1)):a.error("expected "+a.M+" definition in '"+b+"'")),1<a.i&&(b=Og(a,b)),a.i))return!0;null!=a.D&&(b=Pg(a,b));var g=!0;f="";for(var h;g;){h=b.match(a.ga);if(!h||h[5]&&";"!=h[5].slice(0,1))return a.error("failed to parse line '"+b+"'"),!1;g=!1;f=h[2].toUpperCase();if(f==Qg||f==Rg)c=null;if(c){for(var k=0;k<c.length;k++)for(var l=c[k],p=d[k]||e[k]||"",u=0,A=b.length-h[5].length;u<A;){var J=b.indexOf(l,u);if(0>
J)break;var u=J+1,F=J+l.length,ka="",Bb="";J&&(ka=b[J-1]).match(/[0-9A-Z$%.]/i)||!(F>=b.length)&&(Bb=b[F]).match(/[0-9A-Z$%.]/i)||("'"==ka&&J--,"'"==Bb&&F++,b=b.substr(0,J)+p+b.substr(F),u=J+p.length,g=!0)}c=null}}d=h[1];b=h[3];c=h[4].trim();h=h[4]+h[5];d&&(d=d.slice(0,-1),Ig(a,d,a.X,Jg));var I;f&&(I=c.match(/^([=:]+)(.*)/))&&(e=0,d=f,f=I[1],c=I[2],"=="==f?e|=Sg:"=:"==f&&(e|=Tg),Ig(a,d,c,e),f=c="");if(!f&&!c)return!0;a.M=f;if(I=Ug(a,c))c=c.replace(I,Vg(a,Wg,Ug(a,h))),b||(b="\t");for(;I=Xg(a,c);)c=
J)break;var u=J+1,F=J+l.length,ka="",Ab="";J&&(ka=b[J-1]).match(/[0-9A-Z$%.]/i)||!(F>=b.length)&&(Ab=b[F]).match(/[0-9A-Z$%.]/i)||("'"==ka&&J--,"'"==Ab&&F++,b=b.substr(0,J)+p+b.substr(F),u=J+p.length,g=!0)}c=null}}d=h[1];b=h[3];c=h[4].trim();h=h[4]+h[5];d&&(d=d.slice(0,-1),Ig(a,d,a.X,Jg));var I;f&&(I=c.match(/^([=:]+)(.*)/))&&(e=0,d=f,f=I[1],c=I[2],"=="==f?e|=Sg:"=:"==f&&(e|=Tg),Ig(a,d,c,e),f=c="");if(!f&&!c)return!0;a.M=f;if(I=Ug(a,c))c=c.replace(I,Vg(a,Wg,Ug(a,h))),b||(b="\t");for(;I=Xg(a,c);)c=
c.replace(I,I.slice(0,-1));if(!Yg(a,f,c))switch(f){case Zg:case $g:case ah:Pg(a,h);break;case bh:f=c;I=Mg(a,f);void 0!==I&&null==a.b.ja&&0<=I&&262143>=I?a.X+=I:a.error("unrecognized BLOCK expression '"+f+"'");break;case ch:(f=c)?(a.H=Mg(a,f,!0),void 0===a.H&&a.error("unrecognized END expression '"+f+"'")):a.H=a.la;break;case dh:eh(a,c);break;case fh:a.X=Mg(a,c)||0;break;case gh:eh(a,c.replace(",",",,"));break;case hh:case ih:case jh:case kh:case lh:case mh:case nh:case Qg:case Rg:case oh:case ph:Vg(a,
f,h);break;case qh:case rh:case sh:case th:case uh:case vh:case wh:break;default:f=(f+b+c).trim(),I=Mg(a,f,!0),void 0!==I?Kg(a,I,a.b.ja):a.error("unrecognized word expression '"+f+"'")}return!0}
function Yg(a,b,c){var d=a.v[b];if(!d)return!1;if(null!=c){if(d.Sa==xh){var e=a.X;Lg(a,d.ma);if(e<a.X){if(!c)return!0;yh(a);Lg(a,c);var d=a.S[0],f=a.ea[0];zh(a);if(void 0!==d)return a.S[e]+=d&130023423,a.S[e]|=d&4194304,f&&(a.ea[e]=a.ea[e]?a.ea[e]+("+"+f):f),!0}a.error("OPDEF '"+b+"' ("+c+") failed");return!1}b=a.j;a.j=d;d.Qa=Ah(a,c,!0);Lg(a,d.ma,d.Ua,d.Qa,d.Bb);a.j=b;return!0}if("?"!=b[0])return!1;switch(b.substr(1)){case jh:case nh:d.Sa||Lg(a,d.ma);break;case kh:0<d.Sa&&Lg(a,d.ma);break;case lh:0>
@ -267,8 +267,8 @@ function Kg(a,b,c){a.S[a.X]=Ng(a,b);null!=c&&(a.ea[a.X]=c);a.X++}function Ng(a,b
var Jg=1,Sg=2,Tg=4,Zg="ASCII",$g="ASCIZ",bh="BLOCK",hh="DEFINE",ch="END",dh="EXP",ih="IFDEF",jh="IFE",kh="IFG",lh="IFL",mh="IFN",nh="IFNDEF",Qg="IRP",Rg="IRPC",qh="LALL",Wg="LITERAL",rh="LIST",fh="LOC",sh="NOSYM",oh="OPDEF",th="PAGE",ph="REPEAT",ah="SIXBIT",uh="SUBTTL",vh="TITLE",gh="XWD",wh="XLIST",Dh=-1,xh=-2,Eh=-3,Ch=-4;
function Fh(a,b,c){r.call(this,"Computer",a,33554432);this.A.aa=!1;this.R=null;Gh(this,b);this.N=$c(this,"autoPower",a,6);this.w=0;this.W=+a.busWidth||+a.buswidth;this.L=this.F=this.M=null;this.K=this.V=!1;this.I=this.C=null;this.T=this.O=!1;this.ba=$c(this,"url")||"";(Math.random()+.1).toString(36);this.i=Hh(this);if(this.v=rb("CPU",this.id)){this.D=rb("Debugger",this.id);this.G=new Ac({id:this.cb+".bus",busWidth:this.W},this.v,this.D);var d,e=pb(this.id);if((this.j=rb("Panel",this.id))&&this.j.Aa)for(b=
0;b<e.length;b++)d=e[b],d.ha=this.j.ha,d.u=this.j.u,d.Aa=this.j.Aa;this.u(Rb+" v1.34.3\nCopyright \u00a9 2012-2017 Jeff Parsons <Jeff@pcjs.org>\nLicense: GPL version 3 or later <http://gnu.org/licenses/gpl.html>");for(b=0;b<e.length;b++)d=e[b],d.Ma&&d.Ma(this,this.G,this.v,this.D);b=null;d=$c(this,"resume",a);void 0!==d&&(1<d.length?b=this.F=d:this.b=parseInt(d,10));var f;if(a=$c(this,"state")||(f=!0,a.state))this.M=b=a,f||(this.K=!0,this.b=Ih),this.b&&(this.I=new G(this,"1.34.3"),Uh(this.I)?b=null:
delete this.I);!b&&this.b&&(b=Vh(this))&&(this.K=!0);if(b){var g=this;Ia(b,null,!0,function(a,b,c){c?(g.F=null,g.K=!1,g.ha("Unable to load machine state from server (error "+c+(b?": "+Da(b):"")+")")):(g.L=b,g.V=!0);Cb(g)})}else Cb(this);this.J.power||(this.N=!0);!c&&this.N&&Wh(this,this.Xa)}else q("Unable to find CPU component")}ja(Fh,r);function Gh(a,b){if(!b){var c;if("object"==typeof resources&&(c=resources.parms))try{b=eval("("+c+")")}catch(d){q(d.message+" ("+c+")")}}a.R=b}
function $c(a,b,c,d){var e=b.toLowerCase(),e=Ta(b)||Ta(e);void 0===e&&a.R&&(e=a.R[b]);void 0===e&&c&&(e=c[b]);void 0===e&&"object"==typeof resources&&resources[b]&&(e=b);void 0===e&&(e=void 0);if("string"==typeof e&&d)switch(d){case 4:e=+e;isNaN(e)&&(e=0);break;case 6:e="true"==e}return e}function Wh(a,b,c){for(var d=pb(a.id),e=0;e<=d.length;e++){var f=e<d.length?d[e]:a;if(!Ab(f)){Ab(f,function(){Wh(a,b,c)});return}}b.call(a,c)}
delete this.I);!b&&this.b&&(b=Vh(this))&&(this.K=!0);if(b){var g=this;Ia(b,null,!0,function(a,b,c){c?(g.F=null,g.K=!1,g.ha("Unable to load machine state from server (error "+c+(b?": "+Da(b):"")+")")):(g.L=b,g.V=!0);Mb(g)})}else Mb(this);this.J.power||(this.N=!0);!c&&this.N&&Wh(this,this.Xa)}else q("Unable to find CPU component")}ja(Fh,r);function Gh(a,b){if(!b){var c;if("object"==typeof resources&&(c=resources.parms))try{b=eval("("+c+")")}catch(d){q(d.message+" ("+c+")")}}a.R=b}
function $c(a,b,c,d){var e=b.toLowerCase(),e=Ta(b)||Ta(e);void 0===e&&a.R&&(e=a.R[b]);void 0===e&&c&&(e=c[b]);void 0===e&&"object"==typeof resources&&resources[b]&&(e=b);void 0===e&&(e=void 0);if("string"==typeof e&&d)switch(d){case 4:e=+e;isNaN(e)&&(e=0);break;case 6:e="true"==e}return e}function Wh(a,b,c){for(var d=pb(a.id),e=0;e<=d.length;e++){var f=e<d.length?d[e]:a;if(!Bb(f)){Bb(f,function(){Wh(a,b,c)});return}}b.call(a,c)}
function Xh(a,b){var c=new G(a,"1.34.3",Yh);if(Uh(c)&&Zh(c)){var d=c.get($h),e=b?b.get($h):"unknown";d!=e&&(a.ha("Machine state may be out-of-date\n("+d+" vs. "+e+")\nCheck your browser's local storage limits"),b||c.clear())}}m=Fh.prototype;
m.Xa=function(a){void 0===a&&(a=this.b||(this.L?ai:Ih));if(!this.w){this.w++;var b=!1,c=!1;this.O=!1;var d=this.I||new G(this,"1.34.3");if(a==bi)b=!0;else if(a>Ih){if(Uh(d,this.L)){this.C=new G(this,"1.34.3",ci);Uh(this.C)&&(di(this,d),a=ei,fi(this.C));this.C.set($h,Ha());gi(this.C);var e=this.b&&!this.K;if(a==ai||ob("Click OK to restore the previous "+Rb+" machine state, or CANCEL to reset the machine.")){if(c=Zh(d)){var f=d.get("code"),g=d.get("data");f&&("ok"==f?Uh(d,g):("error"==f&&"no machine state"!=
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