Created dedicated getOpcode() function, replaced getPCWord()

This commit is contained in:
Jeff Parsons 2016-10-18 10:50:05 -07:00 committed by Jeff Parsons
commit 6683c81299
3 changed files with 286 additions and 281 deletions

View file

@ -560,22 +560,29 @@ CPUStatePDP11.prototype.getPC = function()
CPUStatePDP11.prototype.getLastPC = function()
{
/*
* As long as we're always snapping the PC before every opcode, we might as well use it....
* As long as we're always snapping the PC before every opcode, we might as well use it.
*/
return this.regMMR2;
};
/**
* getPCWord()
* getOpcode()
*
* TODO: Determine whether we can speed this up by *always* snapping PC into a shadow MMR2 register
* and eliminating the ABORT test.
*
* @this {CPUStatePDP11}
* @return {number}
*/
CPUStatePDP11.prototype.getPCWord = function()
CPUStatePDP11.prototype.getOpcode = function()
{
var data = this.readWord(this.regsGen[PDP11.REG.PC]);
this.advancePC(2);
return data;
var pc = this.regsGen[PDP11.REG.PC];
if (!(this.regMMR0 & PDP11.MMR0.ABORT)) {
this.regMMR1 = 0;
this.regMMR2 = pc;
}
this.regsGen[PDP11.REG.PC] = (pc + 2) & 0xffff;
return this.readWord(pc);
};
/**
@ -583,10 +590,13 @@ CPUStatePDP11.prototype.getPCWord = function()
*
* @this {CPUStatePDP11}
* @param {number} off
* @return {number} (original PC)
*/
CPUStatePDP11.prototype.advancePC = function(off)
{
this.regsGen[PDP11.REG.PC] = (this.regsGen[PDP11.REG.PC] + off) & 0xffff;
var pc = this.regsGen[PDP11.REG.PC];
this.regsGen[PDP11.REG.PC] = (pc + off) & 0xffff;
return pc;
};
/**
@ -1513,7 +1523,7 @@ CPUStatePDP11.prototype.getAddrByMode = function(mode, reg, accessFlags)
* Mode 6: d(R)
*/
case 6:
virtualAddress = this.getPCWord();
virtualAddress = this.readWord(this.advancePC(2));
virtualAddress = ((virtualAddress + this.regsGen[reg]) & 0xffff) | addrDSpace;
this.nStepCycles -= (4 + 2);
return virtualAddress;
@ -1522,7 +1532,7 @@ CPUStatePDP11.prototype.getAddrByMode = function(mode, reg, accessFlags)
* Mode 7: @d(R)
*/
case 7:
virtualAddress = this.getPCWord();
virtualAddress = this.readWord(this.advancePC(2));
virtualAddress = (virtualAddress + this.regsGen[reg]) & 0xffff;
virtualAddress = this.readWord(virtualAddress | this.addrDSpace) | addrDSpace;
this.nStepCycles -= (7 + 3);
@ -2089,18 +2099,13 @@ CPUStatePDP11.prototype.stepCPU = function(nMinCycles)
}
}
if (!(this.regMMR0 & PDP11.MMR0.ABORT)) {
this.regMMR1 = 0;
this.regMMR2 = this.regsGen[7];
}
/*
* Snapshot the TF bit in opFlags, while clearing all other opFlags (except those in PRESERVE);
* we'll check the TRAP_TF bit in opFlags when we come back around for another opcode.
*/
this.opFlags = (this.opFlags & PDP11.OPFLAG.PRESERVE) | (this.regPSW & PDP11.PSW.TF);
this.decode(this.getPCWord());
this.decode(this.getOpcode());
} while (this.nStepCycles > 0);

View file

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function rh(a,b){var c="",d=a.b;8>b?(c=gh(b),c+="="+J(a,d.u[b])):13>b?c="A"+(b-8)+"="+J(a,d.Ea[b-8]):16<=b&&20>b?c="S"+(b-16)+"="+J(a,d.va[b-16]):20==b&&(c="PS="+J(a,Lb(d)));c&&(c+=" ");return c}function sh(a){var b,c="";for(b=0;6>b;b++)c+=rh(a,b);c=c+"\n"+(rh(a,6)+rh(a,7)+rh(a,20));return c+=qh(a,"T")+qh(a,"N")+qh(a,"Z")+qh(a,"V")+qh(a,"C")}h.Vb=function(a,b){return a[0]>b[0]?1:a[0]<b[0]?-1:0};
function th(a,b,c){var d=[],e=a.Y(b)>>>0;for(b=0;b<a.F.length;b++){var f=a.F[b],g=f.C>>>0,k=f.vc;if(e>=g&&e<g+k){e=ya(f.Ub,[e-g],a.Vb);0<=e?uh(a,b,e,d):c&&(e=~e,uh(a,b,e-1,d),uh(a,b,e,d));break}}return d}function uh(a,b,c,d){var e={},f=a.F[b].Ub,g=0,k=null;0<=c&&c<f.length&&(g=f[c][0],k=f[c][1]);k&&(e=a.F[b].ka[k],k="."==k.charAt(0)?null:e.l||k);d.push(k);d.push(g);d.push(e.a);d.push(e.c)}
function vh(a,b){var c=b.match(/^\s*([A-Z_]?[A-Z0-9_]*)\s*(=?)\s*(.*)$/i);if(c){if(!c[1])return Rg(a)||a.j("no variables"),!0;if(!c[2])return Rg(a,c[1]);if(!c[3])return delete a.aa[c[1]],!0;b=Ng(a,c[3]);return void 0!==b?(a.aa[c[1]]=b,!0):!1}a.j("invalid assignment:"+b);return!1}
function wh(a,b,c){var d=null;if(b=bh(a,b,!0)){a.Y(b);var e=th(a,b,!0);if(e.length){var f,g;e[0]&&(g="",(f=b.C-e[1])&&(g=" + "+l(f,4,!0)),f=e[0]+" ("+J(a,e[1])+")"+g,c&&a.j(f),d=f);4<e.length&&e[4]&&(g="",(f=e[5]-b.C)&&(g=" - "+l(f,4,!0)),f=e[4]+" ("+J(a,e[5])+")"+g,c&&a.j(f),d||(d=f))}else c&&a.j("no symbols")}return d}
function ih(a,b){var c;if(b&&"?"==b[1])a.j("register commands:"),a.j("\tr\tdump registers"),a.j("\trx [#]\tset flag or register x to [#]");else{var d=a.b;null==c&&(c=!0);if(b&&1<b.length){var e=b[1],f=e.indexOf("=");if(0<f)b=e.substr(f+1),e=e.substr(0,f);else if(2<b.length)b=b[2];else{a.j("missing value for "+b[1]);return}f=Ng(a,b);if(void 0===f)return;b=e.toUpperCase();switch(b){case "SP":case "R6":d.u[6]=f&65535;break;case "PC":case "R7":O(d,f);a.K=Z(d.u[7]);break;case "N":d.S=f?32768:0;break;case "Z":d.X=
f?0:1;break;case "V":d.O=f?32768:0;break;case "C":d.N=f?65536:0;break;default:if("R"==b.charAt(0)&&(b=+b.charAt(1),0<=b&&6>b)){d.u[b]=f&65535;break}a.j("unknown register: "+e);return}a.D.$();a.j("updated registers:")}a.j(sh(a));c&&(a.K=Z(d.u[7]),jh(a,J(a,a.K.C)))}}function xh(a,b){b=va(b);var c=b.match(/^(['"])(.*?)\1$/);c?1<c[2].length?a.j(c[2]):Qg(a,null,c[2].charCodeAt(0)):Ng(a,b,!0)}
function yh(a,b,c){var d="t"!=b;c=Pg(a,c,null,!0)||1;var e=1==c?0:1;"tc"==b&&(e=c,c=1);Ma(c,function(){return nb(a,!0)&&a.jb(e,d,!1)},function(){a.D.$();nb(a,!1)})}
function jh(a,b,c,d){if(b=bh(a,b,!0)){void 0===d&&(d=1);var e=256;if(void 0!==c)if("l"==c.charAt(0))c=Pg(a,c.substr(1)),null!=c&&(d=c);else{d=bh(a,c,!0);if(!d||d.C<b.C)return;e=d.C-b.C;if(256<e){a.j("range too large");return}d=-1}c=0;for(var f;0<e&&d--;){f=ob(a,!1)||a.V?a.H:null;var g=null!=f?"cycles":null,k=th(a,b),m=b.C;if(k[0]&&d&&(!c&&d||0>k[0].indexOf("+"))){var p=k[0]+":";k[2]&&(p+=" "+k[2]);a.j(p)}k[3]&&(g=k[3],f=null);f=ph(a,b,g,f);a.j(f);a.K=b;e-=b.C-m;c++}}}
function oh(a,b,c){var d=!0;try{b.length&&"end"!=b?c||a.j(">> "+b):(a.U&&(a.j("ended assemble at "+J(a,a.T.C)),a.K=a.T,a.U=!1),b="");var e=b.charAt(0);if('"'==e||"'"==e)return!0;a.ra=null;if(pb(a)&&0<b.length){a.U&&(b="a "+J(a,a.T.C)+" "+b);var f=!1,g=b.replace(/ +/g," ").split(" ");if(g&&g.length)for(var k=g[0],m=k.charAt(0),p=1;p<k.length;p++){var q=k.charAt(p);if("?"==m||"r"==m||"a">q||"z"<q){g[0]=k.substr(p);g.unshift(k.substr(0,p));break}}g[0]=g[0].toLowerCase();switch(g[0].charAt(0)){case "a":var v=
bh(a,g[1],!0);if(v)if(a.T=v,void 0===g[2])a.j("begin assemble at "+J(a,v.C)),a.U=!0,a.D.$();else{var w;a.j("not supported yet");w=[];if(w.length){for(var x=0;x<w.length;x++)a.Fb(v,w[x],1);a.j(ph(a,a.T))}}break;case "b":a:{var E=g[0],y=g[1],F=b;if("?"==y)a.j("breakpoint commands:"),a.j("\tbp [a]\tset exec breakpoint at addr [a]"),a.j("\tbr [a]\tset read breakpoint at addr [a]"),a.j("\tbw [a]\tset write breakpoint at addr [a]"),a.j("\tbc [a]\tclear breakpoint at addr [a]"),a.j("\tbl\tlist all breakpoints"),
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U):"r"==Ea?a.Sa(a.M,U):"w"==Ea?a.Sa(a.B,U):a.j("unknown breakpoint command: "+Ea))}}}break;case "c":a.Ta&&(a.Ta.value="");break;case "d":a:{var Xa,Ya=g[0],ia=g[1],Fa=g[2],Rh=g[3];if("?"==ia){var Za="";for(Xa in tb)a.Fa[Xa]&&(Za&&(Za+=","),Za+=Xa);Za+=",state,symbols";a.j("dump memory commands:");a.j("\tdb [a] [#] dump # bytes at address a");a.j("\tdw [a] [#] dump # words at address a");a.j("\tdd [a] [#] dump # dwords at address a");a.j("\tdh [#] [#] dump # instructions from history");
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Ya;if("dh"==Ya){var Rf=ia,Sf=Fa,Tf="",Uf=0,ca=a.fa,ja=a.J;if(ja.length){var Y=+Rf||a.Ya,vb=+Sf||10;isNaN(Y)?Y=vb:Tf="more ";Y>ja.length&&(a.j("note: only "+ja.length+" available"),Y=ja.length);ca-=Y;0>ca&&(null==ja[ja.length-1].C?(Y=ca+Y,ca=0):ca+=ja.length);var kd=[];"call"==Sf&&(vb=1E5,kd=["CALL"]);for(void 0!==Rf&&a.j(Y+" instructions earlier:");0<vb&&ca!=a.fa;){var Vf=ja[ca++];if(null==Vf.C)break;var wb=Z(Vf.C),Sh=Y--,Wf=ph(a,wb,"history",Sh);(!kd.length||0<=Wf.indexOf(kd[0]))&&a.j(Wf);wb.Jb&&
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g.length;jc++){var Bb=Ng(a,g[jc]);if(void 0===Bb){a.j("unrecognized value: "+g[jc]);break}Bb&~nd&&a.j("warning: "+l(Bb)+" exceeds "+bb+"-byte value");var Uh=od.call(a,ic);a.j("changing "+J(a,ic.C)+" from "+J(a,Uh,bb)+" to "+J(a,Bb,bb));pd.call(a,ic,Bb,bb)}}break;case "g":a:{var Yf=g[1],Vh=b;if(void 0!==Yf){var sd=bh(a,Yf,!0);if(!sd)break a;fh(a,sd,Vh);a.Sa(a.f,sd,!0)}a.ib(!0,c)}break;case "h":a.v.ca?(c||a.j("halting"),a.da()):ob(a,!0)||c||a.j("already halted");break;case "i":if("if"==g[0]){var td;
var Cb=b.substr(2),Cb=va(Cb);Ng(a,Cb)?(c||a.j("true: "+Cb),td=!0):(c||a.j("false: "+Cb),td=!1);td||(d=!1);break}f=!0;break;case "k":var Wh=g[0];if("?"==g[1])a.j("stack trace commands:"),a.j("\tk\tshow frame addresses"),a.j("\tks\tshow symbol information");else{var ud=0,vd=Z(),Db=Z(a.b.u[6]);for(a.j("stack trace for "+J(a,Db.C));10>ud;){for(var Ga=null,Xh=256;65536>Db.C>>>0;){vd.C=a.na(Db,2);if(null==Db.C||!Xh--)break;if(!(vd.C&1)){for(var Yh=a,kc=vd,Zf=null,Eb=kc.C,$f=Eb,wd=1;6>=wd&&Eb;wd++){if(2<
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h.Fb=function(a,b,c){var d=this.Y(a,!0,1);-1!==d&&(a.yb?this.w.hb(d,b):this.b.hb(d,b),c&&dh(a,c),this.D.$(!0))};h.Va=function(a,b,c){var d=this.Y(a,!0,2);-1!==d&&(a.yb?this.w.Gb(d,b):this.b.Gb(d,b),c&&dh(a,c),this.D.$(!0))};function Z(a,b){return{C:a,yb:b,Ba:!1}}function eh(a){return[a.C,a.Ba]}function fh(a){return{C:a[0],Ba:a[1]}}
function ch(a,b,c){var d,e=(c?a.K:a.Qa).C;c=!1;if(void 0!==b){b=Pg(a,b);"%"==b.charAt(0)&&(c=!0,b=b.substr(1));d=b;var f;if(d.match(/^[a-z_][a-z0-9_]*$/i))for(d=d.toUpperCase(),e=0;e<a.F.length;e++){var g=a.F[e].ka[d];if(void 0!==g){d=g.o;void 0!==d&&(f=Z(d));break}}if(d=f)return d;e=Og(a,b,void 0)}null!=e&&(d=Z(e,c));return d}function gh(a,b,c){c&&(c=c.match(/(['"])(.*?)\1/))&&(b.lc=Mg(a,b.hc=c[2]))}function dh(a,b){null!=a.C&&(a.C+=b||1)}
function Wg(a,b){a.i=a;a.la=a.nc=536870912;a.sa=null;a.wa=[];b=Mg(a,b.replace("keys","key").replace("kbd","keyboard"),!1,"|");if(b.length)for(var c in tb){var d;a:if(d=void 0,Array.prototype.indexOf)d=b.indexOf(c,d);else{d=d||0;0>d&&(d+=b.length);0>d&&(d=0);for(var e=b.length;d<e;d++)if(d in b&&b[d]===c)break a;d=-1}0<=d&&(a.la|=tb[c],a.j(c+" messages enabled"))}}function bh(a,b){for(var c in tb)if(64==tb[c]){a.Fa[c]=b;break}}
h.$b=function(a){var b=-1;a=a.toUpperCase();switch(a){case "SP":b=6;break;case "PC":b=7;break;default:"R"==a.charAt(0)&&(b=+a.charAt(1),0>b||7<b)&&(b=-1)}return b};function hh(a){return 6>a?"R"+a:6==a?"SP":"PC"}h.ac=function(a){var b;0<=a&&(8>a?b=this.b.u[a]:16>a?b=this.b.Ea[a-8]:20>a?b=this.b.va[a-16]:20==a&&(b=Lb(this.b)));return b};
h.message=function(a,b){b&&(a+=" @"+J(this,Z(this.b.tb).C));this.la&1073741824?this.wa.push(a):this.sa&&a==this.sa||(this.sa=a,this.la&-2147483648&&(this.da(),a+=" (cpu halted)"),this.j(a),this.b&&(a=this.b,Yc(a),a.pa=0,a.D.$()))};
function Vg(a){var b;if(Xd(a)){if(!a.J||!a.J.length){a.J=Array(1E3);for(b=0;b<a.J.length;b++)a.J[b]=Z();a.fa=0;a.j("instruction history buffer allocated")}if(!a.ba||!a.ba.length)for(a.ba=Array(256),b=0;b<a.ba.length;b++)a.ba[b]=[b,0]}else a.J&&a.J.length&&a.j("instruction history buffer freed"),a.fa=0,a.J=[],a.ba=[]}h.ib=function(a,b){if(!ih(this,b))return!1;this.b.ib(a);return!0};
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function Kc(a,b,c,d,e){var f=!1;if(!a.Xa++)for(var g=1;!f&&g<d.length;g++){var k=d[g];if(!e||k.Ba)for(var m=a.Y(k),p=0;p<c;p++)if(b+p==m){var q,f=!0;k.Ba&&(mh(a,d,k,!0),e=!0);if(q=k.lc){for(var f=!1,v=0;v<q.length;v++)if(!ph(a,q[v],!0)){if(q[v].indexOf("if")){f=!0;break}for(var w=v+1;w<q.length&&q[w].indexOf("else");w++)v++;if(w==q.length){f=!0;break}}a.b.v.ca||(f=!0)}if(f){e||nh(a,d,g,"hit");break}}}a.Xa--;return f}
function qh(a,b,c,d){var e=Z(b.C),f=a.na(b,2),g,k;for(k in a.Za)if(g=a.Za[k][f&k])break;g||(g=$g);var m=g[0];0<=a.nb.indexOf(m)&&(g=$g,m=g[0]);var p=k="",q=Yg[m],v=g.length-1;m||v||(k=J(a,f));for(m=1;m<=v;m++){var w=g[m];if(void 0!==w){var x;x=a;var E=w,w=b,y="",F=E&61440;if(4096==F)w=w.C+((f&255)<<24>>23)&65535,y=J(x,w);else if(8192==F)w=w.C-((f&63)<<1)&65535,y=J(x,w);else if(12288==F)y=J(x,f&7,1);else if(24576==F)y=J(x,f&63,1);else if(F=f&E,E&4032&&(F>>=6,E>>=6),E&63)switch(E=F&7,F&56){case 0:y=
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function xh(a,b,c){var d=null;if(b=ch(a,b,!0)){a.Y(b);var e=uh(a,b,!0);if(e.length){var f,g;e[0]&&(g="",(f=b.C-e[1])&&(g=" + "+l(f,4,!0)),f=e[0]+" ("+J(a,e[1])+")"+g,c&&a.j(f),d=f);4<e.length&&e[4]&&(g="",(f=e[5]-b.C)&&(g=" - "+l(f,4,!0)),f=e[4]+" ("+J(a,e[5])+")"+g,c&&a.j(f),d||(d=f))}else c&&a.j("no symbols")}return d}
function jh(a,b){var c;if(b&&"?"==b[1])a.j("register commands:"),a.j("\tr\tdump registers"),a.j("\trx [#]\tset flag or register x to [#]");else{var d=a.b;null==c&&(c=!0);if(b&&1<b.length){var e=b[1],f=e.indexOf("=");if(0<f)b=e.substr(f+1),e=e.substr(0,f);else if(2<b.length)b=b[2];else{a.j("missing value for "+b[1]);return}f=Og(a,b);if(void 0===f)return;b=e.toUpperCase();switch(b){case "SP":case "R6":d.u[6]=f&65535;break;case "PC":case "R7":O(d,f);a.K=Z(d.u[7]);break;case "N":d.S=f?32768:0;break;case "Z":d.X=
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function kh(a,b,c,d){if(b=ch(a,b,!0)){void 0===d&&(d=1);var e=256;if(void 0!==c)if("l"==c.charAt(0))c=Qg(a,c.substr(1)),null!=c&&(d=c);else{d=ch(a,c,!0);if(!d||d.C<b.C)return;e=d.C-b.C;if(256<e){a.j("range too large");return}d=-1}c=0;for(var f;0<e&&d--;){f=ob(a,!1)||a.V?a.H:null;var g=null!=f?"cycles":null,k=uh(a,b),m=b.C;if(k[0]&&d&&(!c&&d||0>k[0].indexOf("+"))){var p=k[0]+":";k[2]&&(p+=" "+k[2]);a.j(p)}k[3]&&(g=k[3],f=null);f=qh(a,b,g,f);a.j(f);a.K=b;e-=b.C-m;c++}}}
function ph(a,b,c){var d=!0;try{b.length&&"end"!=b?c||a.j(">> "+b):(a.U&&(a.j("ended assemble at "+J(a,a.T.C)),a.K=a.T,a.U=!1),b="");var e=b.charAt(0);if('"'==e||"'"==e)return!0;a.sa=null;if(pb(a)&&0<b.length){a.U&&(b="a "+J(a,a.T.C)+" "+b);var f=!1,g=b.replace(/ +/g," ").split(" ");if(g&&g.length)for(var k=g[0],m=k.charAt(0),p=1;p<k.length;p++){var q=k.charAt(p);if("?"==m||"r"==m||"a">q||"z"<q){g[0]=k.substr(p);g.unshift(k.substr(0,p));break}}g[0]=g[0].toLowerCase();switch(g[0].charAt(0)){case "a":var v=
ch(a,g[1],!0);if(v)if(a.T=v,void 0===g[2])a.j("begin assemble at "+J(a,v.C)),a.U=!0,a.D.$();else{var w;a.j("not supported yet");w=[];if(w.length){for(var x=0;x<w.length;x++)a.Fb(v,w[x],1);a.j(qh(a,a.T))}}break;case "b":a:{var E=g[0],y=g[1],F=b;if("?"==y)a.j("breakpoint commands:"),a.j("\tbp [a]\tset exec breakpoint at addr [a]"),a.j("\tbr [a]\tset read breakpoint at addr [a]"),a.j("\tbw [a]\tset write breakpoint at addr [a]"),a.j("\tbc [a]\tclear breakpoint at addr [a]"),a.j("\tbl\tlist all breakpoints"),
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U):"r"==Ea?a.Sa(a.M,U):"w"==Ea?a.Sa(a.B,U):a.j("unknown breakpoint command: "+Ea))}}}break;case "c":a.Ta&&(a.Ta.value="");break;case "d":a:{var Xa,Ya=g[0],ia=g[1],Fa=g[2],Sh=g[3];if("?"==ia){var Za="";for(Xa in tb)a.Fa[Xa]&&(Za&&(Za+=","),Za+=Xa);Za+=",state,symbols";a.j("dump memory commands:");a.j("\tdb [a] [#] dump # bytes at address a");a.j("\tdw [a] [#] dump # words at address a");a.j("\tdd [a] [#] dump # dwords at address a");a.j("\tdh [#] [#] dump # instructions from history");
Za.length&&a.j("dump extension commands:\n\t"+Za)}else if("state"==ia){var Nf=Ah(a.D,!0);"console"==Fa?console.log(Nf):(a.Ta&&(a.Ta.value=""),a.j(Nf))}else if("symbols"==ia)for(var id=0;id<a.F.length;id++){var jd=a.F[id],$a;for($a in jd.ka)if("."!=$a.charAt(0)){var Of=jd.ka[$a].o;if(void 0!==Of){var Pf=jd.ka[$a].l;Pf&&($a=Pf);a.j(J(a,Of)+" "+$a)}}}else{if("d"==Ya){for(Xa in tb)if(g[1]==Xa){var Qf=a.Fa[Xa];Qf?(g.shift(),g.shift(),Qf(g)):a.j("no dump registered for "+ia);break a}ia||(Ya=a.Cb||"db")}else a.Cb=
Ya;if("dh"==Ya){var Rf=ia,Sf=Fa,Tf="",Uf=0,ca=a.fa,ja=a.J;if(ja.length){var Y=+Rf||a.Ya,vb=+Sf||10;isNaN(Y)?Y=vb:Tf="more ";Y>ja.length&&(a.j("note: only "+ja.length+" available"),Y=ja.length);ca-=Y;0>ca&&(null==ja[ja.length-1].C?(Y=ca+Y,ca=0):ca+=ja.length);var kd=[];"call"==Sf&&(vb=1E5,kd=["CALL"]);for(void 0!==Rf&&a.j(Y+" instructions earlier:");0<vb&&ca!=a.fa;){var Vf=ja[ca++];if(null==Vf.C)break;var wb=Z(Vf.C),Th=Y--,Wf=qh(a,wb,"history",Th);(!kd.length||0<=Wf.indexOf(kd[0]))&&a.j(Wf);wb.Jb&&
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g.length;kc++){var Bb=Og(a,g[kc]);if(void 0===Bb){a.j("unrecognized value: "+g[kc]);break}Bb&~nd&&a.j("warning: "+l(Bb)+" exceeds "+bb+"-byte value");var Vh=od.call(a,jc);a.j("changing "+J(a,jc.C)+" from "+J(a,Vh,bb)+" to "+J(a,Bb,bb));pd.call(a,jc,Bb,bb)}}break;case "g":a:{var Yf=g[1],Wh=b;if(void 0!==Yf){var sd=ch(a,Yf,!0);if(!sd)break a;gh(a,sd,Wh);a.Sa(a.f,sd,!0)}a.ib(!0,c)}break;case "h":a.v.ca?(c||a.j("halting"),a.da()):ob(a,!0)||c||a.j("already halted");break;case "i":if("if"==g[0]){var td;
var Cb=b.substr(2),Cb=va(Cb);Og(a,Cb)?(c||a.j("true: "+Cb),td=!0):(c||a.j("false: "+Cb),td=!1);td||(d=!1);break}f=!0;break;case "k":var Xh=g[0];if("?"==g[1])a.j("stack trace commands:"),a.j("\tk\tshow frame addresses"),a.j("\tks\tshow symbol information");else{var ud=0,vd=Z(),Db=Z(a.b.u[6]);for(a.j("stack trace for "+J(a,Db.C));10>ud;){for(var Ga=null,Yh=256;65536>Db.C>>>0;){vd.C=a.na(Db,2);if(null==Db.C||!Yh--)break;if(!(vd.C&1)){for(var Zh=a,lc=vd,Zf=null,Eb=lc.C,$f=Eb,wd=1;6>=wd&&Eb;wd++){if(2<
wd){lc.C=Eb;var mc=qh(Zh,lc);if(0<=mc.indexOf("JSR")){var ag=mc.indexOf(" ");if(Eb+(mc.indexOf(" ",ag+1)-ag-1)/2==$f){Zf=mc;break}}}Eb-=2}lc.C=$f;if(Ga=Zf)break}}if(!Ga||null==Ga)break;var bg=null;if("ks"==Xh){var cg=Ga.match(/[0-9A-F]+$/);cg&&(bg=xh(a,cg[0]))}Ga=ua(Ga,50)+" ;"+(bg||"stack="+J(a,Db.C));a.j(Ga);ud++}ud||a.j("no return addresses found")}break;case "l":if("ln"==g[0]){xh(a,g[1],!0);break}f=!0;break;case "m":a:{var ka,la=null,G=g[1];"?"==G&&(G=void 0);if(void 0!==G){var xa=0;if("all"==
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function Ah(a,b,c){r.call(this,"Computer",a,Ah,67108864);this.v.ha=!1;Bh(this,b);this.M=Pc(this,"autoPower",a);this.D=0;this.aa=a.busWidth||a.buswidth;this.f=Ch;this.J=null;this.F=this.U=!1;this.ba=Pc(this,"url")||"";(Math.random()+.1).toString(36);this.g=Dh(this);if(this.b=mb("CPU",this.id)){this.i=mb("Debugger",this.id);this.w=new Mb({id:this.Ra+".bus",busWidth:this.aa},this.b,this.i);var d,e=kb(this.id);if((this.A=mb("Panel",this.id))&&this.A.Ta)for(b=0;b<e.length;b++)d=e[b],d.ga=this.A.ga,d.j=
this.A.j,d.Ta=this.A.Ta;this.j("PDPjs v1.30.1\nCopyright \u00a9 2012-2016 Jeff Parsons <Jeff@pcjs.org>\nLicense: GPL version 3 or later <http://gnu.org/licenses/gpl.html>");this.j("Portions adapted from the PDP-11/70 Emulator v1.4 by Paul Nankervis <paulnank@hotmail.com>");for(b=0;b<e.length;b++)d=e[b],d.Ca&&d.Ca(this,this.w,this.b,this.i);b=null;d=a.resume;void 0!==d&&(1<d.length?b=this.H=d:this.f=parseInt(d,10));var f;if(a=Pc(this,"state")||(f=!0,a.state))b=this.R=a,f||(this.F=!0,this.f=Ch),this.f&&
(this.K=new N(this,"1.30.1"),Eh(this.K)?b=null:delete this.K);!b&&this.f&&(b=Fh(this))&&(this.F=!0);if(b){var g=this;Ba(b,null,!0,function(a,b,c){c?(g.H=null,g.F=!1,g.ga("Unable to load machine state from server (error "+c+(b?": "+va(b):"")+")")):(g.J=b,g.U=!0);H(g)})}else H(this);this.I.power||(this.M=!0);!c&&this.M&&Gh(this,this.sb)}else n("Unable to find CPU component")}u(Ah);var Ch=0;
function Bh(a,b){if(!b){var c;if("object"==typeof resources&&(c=resources.parms))try{b=eval("("+c+")")}catch(d){n(d.message+" ("+c+")")}}a.V=b}function Pc(a,b,c){var d=b.toLowerCase(),d=db[b]||db[d];void 0===d&&a.V&&(d=a.V[b]);void 0===d&&c&&(d=c[b]);void 0===d&&"object"==typeof resources&&resources[b]&&(d=b);return d}function Gh(a,b,c){for(var d=kb(a.id),e=0;e<=d.length;e++){var f=e<d.length?d[e]:a;if(!pb(f)){pb(f,function(){Gh(a,b,c)});return}}b.call(a,c)}
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h.sb=function(a){void 0===a&&(a=this.f||(this.J?1:Ch));if(!this.D){this.D++;var b=!1,c=!1;this.T=!1;var d=this.K||new N(this,"1.30.1");if(-1==a)b=!0;else if(a>Ch){if(Eh(d,this.J)){this.B=new N(this,"1.30.1","failsafe");Eh(this.B)&&(Jh(this,d),a=2,Kh(this.B));this.B.set("timestamp",Aa());Lh(this.B);var e=this.f&&!this.F;if(1==a||Da("Click OK to restore the previous PDPjs machine state, or CANCEL to reset the machine.")){if(c=Ih(d)){var f=d.get("code"),g=d.get("data");f&&("ok"==f?Eh(d,g):("error"==
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h.Xb=function(a){var b=a[0],c=0>a[1];a=a[2];this.fa=!0;this.v.ha=!0;var d=this.I.power;d&&(d.textContent="Shutdown");this.b&&(Mh(this,this.b,b,c,a),this.b.mb());this.T&&(Jh(this,b),b.clear());!c&&this.B&&(this.B.clear(),delete this.B);this.D=0};
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function zh(a,b,c){var d,e="none";if(a.D)return null;a.D--;var f=new N(a,"1.30.1"),g=new N(a,"1.30.1","validate"),k=Aa();g.set("timestamp",k);f.set("timestamp",k);f.set("version","1.30.1");f.set("url",window?window.location.href:null);f.set("browser",window?window.navigator.userAgent:"");a.b&&a.b.za&&(c&&a.b.da(),d=a.b.za(b,c),"object"===typeof d&&f.set(a.b.id,d),c&&(a.b.v.ha=!1,!1===d&&(e=null)));for(var k=kb(a.id),m=0;m<k.length;m++){var p=k[m];p.v.ha&&(p.za&&(d=p.za(b,c),"object"===typeof d&&f.set(p.id,
d)),c&&(p.v.ha=!1,!1===d&&(e=null)))}e&&(c?(k=d=!1,b?(a.g&&Nh(a,a.g,f.toString()),Lh(g)&&Lh(f)||(e=null,d=k=!0)):a.f&&(d=!0,k=3==a.f),d&&f.clear(k)):e=f.toString());c&&(a.v.ha=!1,b=a.I.power)&&(b.textContent="Power");a.D=0;return e}h.reset=function(){this.w&&this.w.reset&&(C(this,"Resetting "+this.w.type),this.w.reset());for(var a=kb(this.id),b=0;b<a.length;b++){var c=a[b];c!==this&&c!==this.w&&c.reset&&(C(this,"Resetting "+c.type),c.reset())}};
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g[0]){a.j("PDPjs version 1.30.1 ("+a.b.ab+",RELEASE"+(sb?",TYPEDARRAYS":",LONGARRAYS")+")");a.j(window?window.navigator.userAgent:"");break}f=!0;break;case "?":if(g[1]){yh(a,b.substr(1));break}var yd="commands:",zd;for(zd in Xg)yd+="\n"+ua(zd,9)+Xg[zd];Xd(a)||(yd+="\nnote: history disabled if no exec breakpoints");a.j(yd);break;default:f=!0}f&&(a.j("unknown command: "+b),d=!1)}}catch(eg){a.j("debugger error: "+(eg.stack||eg.message)),d=!1}return d}
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function Bh(a,b,c){r.call(this,"Computer",a,Bh,67108864);this.v.ha=!1;Ch(this,b);this.M=Pc(this,"autoPower",a);this.D=0;this.aa=a.busWidth||a.buswidth;this.f=Dh;this.J=null;this.F=this.U=!1;this.ba=Pc(this,"url")||"";(Math.random()+.1).toString(36);this.g=Eh(this);if(this.b=mb("CPU",this.id)){this.i=mb("Debugger",this.id);this.w=new Mb({id:this.Ra+".bus",busWidth:this.aa},this.b,this.i);var d,e=kb(this.id);if((this.A=mb("Panel",this.id))&&this.A.Ta)for(b=0;b<e.length;b++)d=e[b],d.ga=this.A.ga,d.j=
this.A.j,d.Ta=this.A.Ta;this.j("PDPjs v1.30.1\nCopyright \u00a9 2012-2016 Jeff Parsons <Jeff@pcjs.org>\nLicense: GPL version 3 or later <http://gnu.org/licenses/gpl.html>");this.j("Portions adapted from the PDP-11/70 Emulator v1.4 by Paul Nankervis <paulnank@hotmail.com>");for(b=0;b<e.length;b++)d=e[b],d.Ca&&d.Ca(this,this.w,this.b,this.i);b=null;d=a.resume;void 0!==d&&(1<d.length?b=this.H=d:this.f=parseInt(d,10));var f;if(a=Pc(this,"state")||(f=!0,a.state))b=this.R=a,f||(this.F=!0,this.f=Dh),this.f&&
(this.K=new N(this,"1.30.1"),Fh(this.K)?b=null:delete this.K);!b&&this.f&&(b=Gh(this))&&(this.F=!0);if(b){var g=this;Ba(b,null,!0,function(a,b,c){c?(g.H=null,g.F=!1,g.ga("Unable to load machine state from server (error "+c+(b?": "+va(b):"")+")")):(g.J=b,g.U=!0);H(g)})}else H(this);this.I.power||(this.M=!0);!c&&this.M&&Hh(this,this.sb)}else n("Unable to find CPU component")}u(Bh);var Dh=0;
function Ch(a,b){if(!b){var c;if("object"==typeof resources&&(c=resources.parms))try{b=eval("("+c+")")}catch(d){n(d.message+" ("+c+")")}}a.V=b}function Pc(a,b,c){var d=b.toLowerCase(),d=db[b]||db[d];void 0===d&&a.V&&(d=a.V[b]);void 0===d&&c&&(d=c[b]);void 0===d&&"object"==typeof resources&&resources[b]&&(d=b);return d}function Hh(a,b,c){for(var d=kb(a.id),e=0;e<=d.length;e++){var f=e<d.length?d[e]:a;if(!pb(f)){pb(f,function(){Hh(a,b,c)});return}}b.call(a,c)}
function Ih(a,b){var c=new N(a,"1.30.1","validate");if(Fh(c)&&Jh(c)){var d=c.get("timestamp"),e=b?b.get("timestamp"):"unknown";d!=e&&(a.ga("Machine state may be out-of-date\n("+d+" vs. "+e+")\nCheck your browser's local storage limits"),b||c.clear())}}h=Bh.prototype;
h.sb=function(a){void 0===a&&(a=this.f||(this.J?1:Dh));if(!this.D){this.D++;var b=!1,c=!1;this.T=!1;var d=this.K||new N(this,"1.30.1");if(-1==a)b=!0;else if(a>Dh){if(Fh(d,this.J)){this.B=new N(this,"1.30.1","failsafe");Fh(this.B)&&(Kh(this,d),a=2,Lh(this.B));this.B.set("timestamp",Aa());Mh(this.B);var e=this.f&&!this.F;if(1==a||Da("Click OK to restore the previous PDPjs machine state, or CANCEL to reset the machine.")){if(c=Jh(d)){var f=d.get("code"),g=d.get("data");f&&("ok"==f?Fh(d,g):("error"==
f&&"no machine state"!=g?(this.ga("Error: "+g),"unable to verify user"==g&&(Ka("user",""),this.g=null)):this.j(f+": "+g),Lh(d),Fh(d)?(c=Jh(d),e=!0):c=!1))}e&&Ih(this,c?d:null)}else 2==a&&d.clear()}else Ih(this);delete this.J;delete this.K}e=kb(this.id);for(f=0;f<e.length;f++)g=e[f],g!==this&&g!=this.b&&(c=Nh(this,g,d,b,c));b=[d,a,c];-1!=a?Hh(this,this.Xb,b):this.Xb(b)}};
function Nh(a,b,c,d,e){if(!b.v.ha){b.v.ha=!0;if(b.Aa){var f=null;e&&((f=c.get(b.id))||(f=c.get(b.id.replace(/[a-z0-9]\./i,"."))));"string"===typeof f&&(f=null);!b.Aa(f,d)&&f&&(n("Unable to restore state for "+b.type),a.R&&!a.U?(c.clear(),a.f=Dh,window&&window.location.reload()):a.T=!0,b.Aa(null),e=!1)}if(!d&&b.Yb)for(a=b.Yb.split("|"),c=0;c<a.length;c++)b.status(a[c])}return e}
h.Xb=function(a){var b=a[0],c=0>a[1];a=a[2];this.fa=!0;this.v.ha=!0;var d=this.I.power;d&&(d.textContent="Shutdown");this.b&&(Nh(this,this.b,b,c,a),this.b.mb());this.T&&(Kh(this,b),b.clear());!c&&this.B&&(this.B.clear(),delete this.B);this.D=0};
function Kh(a,b){if(Da("There may be a problem with your PDPjs machine.\n\nTo help us diagnose it, click OK to send this PDPjs machine state to http://www.pcjs.org.")){var c=a.g||"";b=b.toString();var d={app:"PDPjs",ver:"1.30.1"};d.url=a.ba;d.user=c;d.type="bug";d.data=b;Ba("http://www.pcjs.org/api/v1/report",d,!0)}}
function Ah(a,b,c){var d,e="none";if(a.D)return null;a.D--;var f=new N(a,"1.30.1"),g=new N(a,"1.30.1","validate"),k=Aa();g.set("timestamp",k);f.set("timestamp",k);f.set("version","1.30.1");f.set("url",window?window.location.href:null);f.set("browser",window?window.navigator.userAgent:"");a.b&&a.b.za&&(c&&a.b.da(),d=a.b.za(b,c),"object"===typeof d&&f.set(a.b.id,d),c&&(a.b.v.ha=!1,!1===d&&(e=null)));for(var k=kb(a.id),m=0;m<k.length;m++){var p=k[m];p.v.ha&&(p.za&&(d=p.za(b,c),"object"===typeof d&&f.set(p.id,
d)),c&&(p.v.ha=!1,!1===d&&(e=null)))}e&&(c?(k=d=!1,b?(a.g&&Oh(a,a.g,f.toString()),Mh(g)&&Mh(f)||(e=null,d=k=!0)):a.f&&(d=!0,k=3==a.f),d&&f.clear(k)):e=f.toString());c&&(a.v.ha=!1,b=a.I.power)&&(b.textContent="Power");a.D=0;return e}h.reset=function(){this.w&&this.w.reset&&(C(this,"Resetting "+this.w.type),this.w.reset());for(var a=kb(this.id),b=0;b<a.length;b++){var c=a[b];c!==this&&c!==this.w&&c.reset&&(C(this,"Resetting "+c.type),c.reset())}};
h.start=function(a,b){for(var c=kb(this.id),d=0;d<c.length;d++){var e=c[d];"CPU"!=e.type&&e!==this&&e.start&&e.start(a,b)}this.$(!0)};h.stop=function(a,b){for(var c=kb(this.id),d=0;d<c.length;d++){var e=c[d];"CPU"!=e.type&&e!==this&&e.stop&&e.stop(a,b)}this.$(!0)};
h.qa=function(a,b,c){var d=this;switch(b){case "power":return this.I[b]=c,c.onclick=function(){d.D||(d.v.ha?zh(d,!1,!0):Gh(d,d.sb))},!0;case "reset":return this.I[b]=c,c.onclick=function(){if(d.v.ha&&!d.D)if(d.f&&!d.H){var a=Da("Click OK to save changes to this PDPjs machine.\n\nWARNING: If you CANCEL, all disk changes will be discarded.");zh(d,a,!0);!a&&d.R?window&&window.location.reload():d.sb(Ch)}else d.reset(),d.b&&d.b.mb()},!0;case "save":if(qa())c.parentNode.removeChild(c);else return this.I[b]=
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function Oe(a,b){if(!b){var c;if("object"==typeof resources&&(c=resources.parms))try{b=eval("("+c+")")}catch(d){m(d.message+" ("+c+")")}}a.K=b}function Tb(a,b,c){var d=b.toLowerCase(),d=Ja[b]||Ja[d];void 0===d&&a.K&&(d=a.K[b]);void 0===d&&c&&(d=c[b]);void 0===d&&"object"==typeof resources&&resources[b]&&(d=b);return d}function Te(a,b,c){for(var d=x(a.id),e=0;e<=d.length;e++){var f=e<d.length?d[e]:a;if(!Sa(f)){Sa(f,function(){Te(a,b,c)});return}}b.call(a,c)}
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function Le(a,b,c,d){var e=c;if(d){var f=new FileReader;f.onload=function(){var b=f.result;b&&(a.h=c,new Uint8Array(b,0,b.byteLength),a.j="?");Me(a)};f.readAsArrayBuffer(d);return!0}0>c.indexOf("/api/v1/dump")&&(d=la(c),e="json"==d||"gz"==d?encodeURI(c):na()+"/api/v1/dump?path="+encodeURIComponent(c)+"&format=json");return!!h(e,null,!0,function(d,e,f){var k=0>f&&a.v&&!a.v.i.L;f?a.H('Unable to load tape "'+b+'" (error '+f+": "+d+")",k):(Pa(a.ra,d,e),ua(d,e)&&(a.h=c));a.i.Wa=!1;a.g&&(a.g--,a.g||B(a));
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this.P("PDPjs v1.30.1\nCopyright \u00a9 2012-2016 Jeff Parsons <Jeff@pcjs.org>\nLicense: GPL version 3 or later <http://gnu.org/licenses/gpl.html>");this.P("Portions adapted from the PDP-11/70 Emulator v1.4 by Paul Nankervis <paulnank@hotmail.com>");for(b=0;b<e.length;b++)d=e[b],d.ea&&d.ea(this,this.m,this.a,this.G);b=null;d=a.resume;void 0!==d&&(1<d.length?b=this.v=d:this.b=parseInt(d,10));var f;if(a=Tb(this,"state")||(f=!0,a.state))b=this.D=a,f||(this.o=!0,this.b=Qe),this.b&&(this.A=new K(this,
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c,c.onclick=function(){var a=Qe(d,!0);if(a){var b=!!(d.b&&!d.v||d.D),c=$e(d,b);b?af(d,a,c):d.H("Resume disabled, machine state not saved")}},!0}return!1};
function Qe(a,b){var c=a.c;c||((c=ya("user"),void 0!==c)?!c&&b&&(b=null,window&&(b=window.prompt("Saving machine states on the pcjs.org server is currently unsupported.\n\nIf you're running your own server, enter your user ID below.","")),c=b)&&((c=bf(a,c))||a.H("The user ID is invalid.")):b&&a.H("Browser local storage is not available"));return c}
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