I *think* all the PDP-10 DAKAL multiplication tests pass now. Division tests, alas, are a different story.

2017-04-01 23:06:41 -07:00 · 2017-04-01 23:06:41 -07:00 · 493ae6c310
commit 493ae6c310
parent 470bd1d69e
5 changed files with 121 additions and 95 deletions
--- a/apps/pdp10/diags/ka10/dakal/README.md
+++ b/apps/pdp10/diags/ka10/dakal/README.md
@ -7,7 +7,7 @@ machines:
    type: pdp10
    config: /devices/pdp10/machine/ka10/test/debugger/machine.xml
    debugger: true
-    commands: a dakal.mac; g 33726
+    commands: a dakal.mac
 ---

 PDP-10 KA10 Basic Instruction Diagnostic #12
--- a/modules/pdp10/lib/cpuops.js
+++ b/modules/pdp10/lib/cpuops.js
@ -6407,23 +6407,43 @@ PDP10.doMUL = function(dst, src, fTruncate, fExternal)
        }
    }

+    ext = PDP10.split72.call(this, res, ext, fExternal);
+
    if (fTruncate) {
        /*
-         * If ext is something OTHER than an extension of the res sign bit, then we have overflow.
+         * Special code for IMUL.  I originally tried to avoid calling split72() in this case, but the PDP-10
+         * still appears to be splitting the result of the multiplication into separately signed 36-bit values,
+         * so the simplest solution is to call split72() in both cases.
         */
+        res = this.regEX;
        if (!fExternal) {
+            /*
+             * Regarding IMUL overflows, the original spec says:
+             *
+             *      Set Overflow if the product is >= 2^35 or < -2^35 (ie, if the high order word of the double
+             *      length product is not null); the high order word is lost.
+             *
+             * However, when the DAKAL diagnostic performs a sequence like this:
+             *
+             *      00=000000000000 01=000000000000 02=000000000000 03=400000036755
+             *      04=400000000000 05=000000000003 06=400000000000 07=000000000004
+             *      10=000000000000 11=000000000011 12=777777400000 13=777777777776
+             *      14=000000200000 15=400000037134 16=000000000016 17=000000000000
+             *      PC=037145 RA=00400000 EA=400000 PS=000000 OV=0 C0=0 C1=0 ND=0 PD=0
+             *      037145: 220600 000013  IMUL    14,13            ;cycles=1
+             *
+             * it sets 14=777777400000 and leaves overflow clear; since the 'high order word" would be 777777777777,
+             * not null, I think the spec over-simplifies.  So our check is more exhaustive: it verifies that ext is
+             * nothing more than an extension of the sign bit of res (ie, 0 if res is positive, -1 if res is negative).
+             * Any other combination of values implies an overflow.
+             */
            if ((ext || res > PDP10.INT_MASK) && (ext != PDP10.WORD_MASK || res <= PDP10.INT_MASK)) {
                this.regPS |= PDP10.PSFLAG.AROV;
            }
        }
-        /*
-         * Also note that, in the truncate case, we return the low order bits (res), rather than the
-         * the high order bits (ext) that split72() does.
-         */
-        return res;
+        ext = res;
    }
-
-    return PDP10.split72.call(this, res, ext, fExternal);
+    return ext;
 };

 /**
@ -6531,8 +6551,9 @@ PDP10.split72 = function(res, ext, fExternal)
    var sign = ext - (ext % PDP10.INT_LIMIT);
    ext = ((ext * 2) % PDP10.WORD_LIMIT) + Math.trunc(res / PDP10.INT_LIMIT);
    res = sign + (res % PDP10.INT_LIMIT);
+
    var signNew = ext - (ext % PDP10.INT_LIMIT);
-    if (sign != signNew) {
+    if (signNew != sign) {
        /*
         * I used to restore ext's original sign (ext = sign + (ext - signNew)), but the PDP-10's defined
         * behavior for multiplication overflow (ie, whenever both operands are 0o400000000000) is to set both
@ -6543,9 +6564,13 @@ PDP10.split72 = function(res, ext, fExternal)
         *      If both operands are -2^35 set Overflow; the double length result stored is -2^70.
         */
        res = ext;
-        if (!fExternal) this.regPS |= PDP10.PSFLAG.AROV;
    }
+
    if (fExternal) return res;
+
+    if (res == PDP10.INT_LIMIT && ext == PDP10.INT_LIMIT) {
+        this.regPS |= PDP10.PSFLAG.AROV;
+    }
    this.regEX = res;
    return ext;
 };
--- a/modules/pdp10/lib/cpustate.js
+++ b/modules/pdp10/lib/cpustate.js
@ -510,7 +510,7 @@ class CPUStatePDP10 extends CPUPDP10 {
     */
    getXC()
    {
-        return this.regXC >= 0? this.regXC : this.regPC;
+        return this.regXC >= 0? this.regXC : ((this.regRA & PDP10.OPCODE.I_FIELD)? this.lastPC : this.regPC);
    }

    /**
@ -546,8 +546,9 @@ class CPUStatePDP10 extends CPUPDP10 {
     */
    setPC(addr)
    {
-        this.regPC = addr % PDP10.ADDR_LIMIT;
+        this.regRA = 0;
        this.regXC = -1;
+        this.regPC = addr % PDP10.ADDR_LIMIT;
    }

    /**
--- a/versions/pdpjs/1.34.3/pdp10-dbg.js
+++ b/versions/pdpjs/1.34.3/pdp10-dbg.js
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-function ud(a,b,c){var d=-1;c||(d=a.v.f(b),2756==d>>23&&a.v.Ea==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}
+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}
 function Df(a,b,c,d){var e=Z(b.B),f=a.Na(b,1),g,h,k,l=0,p=f/Yb|0,u;for(u in Ef)if(g=Ef[u][p&u]){h=+u;p>>=6;switch(h){case 32512:k=Ff;l=p&3;break;case 32256:k=Gf;l=p&7;break;case 29248:k=Hf,l=(p&48)>>2|(p&6)>>1}break}k=k&&k[l]||"";"S"==k&&g>If&&(k="B");k=Jf[g||0]+k;if(g){if(28700==h)h=f/Zb&127,l=L(a,h,-1);else for(h=f>>23&15,l=L(a,h,-1),p=0;l&&p<Kf.length;p++)if(g==Kf[p][0]&&(u=Kf[p][h])){k=Jf[u];l="";break}k=Ca(k,8)+(l?l+",":"");f&4194304&&(k+="@");k+=L(a,f&262143,-1);(f=f>>18&15)&&(k+="("+L(a,f,
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 function Lf(a,b,c,d,e,f){var g=-1,h,k;a.ja=null;if(b){for(var l=b.toUpperCase(),p=0;p<Kf.length;p++)for(var u in Kf[p])if(+u&&(k=Kf[p][u],l==Jf[k])){l=Jf[Kf[p][0]];c&&(c=L(a,+u)+","+c);break}for(var A in Ef){h=+A;u=Ef[A];switch(h){case 32512:p=Ff;break;case 32256:p=Gf;break;case 29248:p=Hf;break;default:p=[""]}for(var J in u){k=u[J];for(var F=0;F<p.length;F++){var ka=p[F];"S"==ka&&k>If&&(ka="B");if(l==Jf[k]+ka){g=29248!=h?F:(F&3)<<1|(F&12)<<2;g=(J|g<<6)*Yb;break}}if(0<=g)break}if(0<=g)break}!(0>g)||
 c&&c.match(/^[0-9A-Z$%.?]/i)||(c=b+c,b="",g=0)}else c&&(g=h=0);if(0<=g&&c)for(l=c.split(","),A=0;A<l.length;A++)if(k=l[A].trim()){if(1<A){a.u("too many operands: "+c);g=-1;break}J=k.match(/(@?)([^(]*)\(?([^)]*)\)?/);if(!J){a.u("unknown operand: "+k);g=-1;break}J[1]&&(g+=4194304);if(k=J[3]){k=Ve(a,k,e);if(void 0==k){g=-1;break}if(0>k||15<k)k&=15;g+=k<<18}k=J[2];if(A||1==l.length)k=k?k.replace(/(^|[^0-9])\./g,"$1"+L(a,d,18)):"0";k=Ve(a,k,e);if(void 0==k){g=-1;break}if(!A&&1<l.length)if(28700==h){if(0>
-k||127<k)k&=127;g+=k*Zb}else{if(0>k||15<k)k&=15;g+=k<<23}else{if(b||A)if(0>k||262143<k)k&=Sb;g+=k}}0>g&&!f&&a.u("unknown instruction: "+b+" "+c);return g}function $e(a){var b,c;a.b=["bp"];if(a.N)for(b=1;b<a.N.length;b++){c=a.N[b];c=cf(c);var d=a.G;Wc(d.b[c>>>d.i],!1)}a.N=["br"];if(a.K)for(b=1;b<a.K.length;b++)c=a.K[b],c=cf(c),d=a.G,Wc(d.b[c>>>d.i],!0);a.K=["bw"];a.Ca=0;a.qa=0}
+k||127<k)k&=127;g+=k*Zb}else{if(0>k||15<k)k&=15;g+=k<<23}else{if(b||A)if(0>k||262143<k)k&=Sb;g+=k}}0>g&&!f&&a.u("unknown instruction: "+b+" "+c);return g}function $e(a){var b,c;a.b=["bp"];if(a.N)for(b=1;b<a.N.length;b++){c=a.N[b];c=cf(c);var d=a.G;Wc(d.b[c>>>d.i],!1)}a.N=["br"];if(a.K)for(b=1;b<a.K.length;b++)c=a.K[b],c=cf(c),d=a.G,Wc(d.b[c>>>d.i],!0);a.K=["bw"];a.ya=0;a.qa=0}
 m.Ra=function(a,b,c){var d=!0;c||Mf(this,a,b,!1,!0);if(a!=this.b){var e=cf(b);if(-1===e)this.u("invalid address: "+L(this,b.B,18)),d=!1;else{var f=this.G;f.b[e>>>f.i].Ra(e&16383,a==this.K)}}d&&(a.push(b),c?b.ra=!0:(Nf(this,a,a.length-1,"set"),af(this)));return d};function Mf(a,b,c,d,e){var f=!1;c=cf(c);for(var g=1;g<b.length;g++){var h=b[g];if(c==cf(h)&&(!d||h.ra)){f=!0;h.ra||e||Nf(a,b,g,"cleared");b.splice(g,1);b!=a.b&&(d=a.G,Wc(d.b[c>>>d.i],b==a.K));h.ra||af(a);break}}return f}
 function Of(a,b){for(var c=1;c<b.length;c++)Nf(a,b,c);return b.length-1}function Nf(a,b,c,d){c=b[c];a.u(b[0]+" "+L(a,c.B,18)+(d?" "+d:c.ib?' "'+c.ib+'"':""))}function Cf(a,b){if(void 0!==b)Xc(a,b,1,a.b,!0),a.O=0;else for(b=1;b<a.b.length;b++){var c=a.b[b];if(c.ra){if(!Mf(a,a.b,c,!0))break;b=0}}}
-function Xc(a,b,c,d,e){var f=!1;if(!a.Ca++)for(var g=1;!f&&g<d.length;g++){var h=d[g];if(!e||h.ra)for(var k=cf(h)&(d==a.b?65535:-1),l=0;l<c;l++)if(b+l==k){var p,f=!0;h.ra&&(Mf(a,d,h,!0),e=!0);if(p=h.Ab){for(var f=!1,u=0;u<p.length;u++)if(!Pf(a,p[u],!0)){if(p[u].indexOf("if")){f=!0;break}for(var A=u+1;A<p.length&&p[A].indexOf("else");A++)u++;if(A==p.length){f=!0;break}}a.v.A.P||(f=!0)}if(f){e||Nf(a,d,g,"hit");break}}}a.Ca--;return f}
+function Xc(a,b,c,d,e){var f=!1;if(!a.ya++)for(var g=1;!f&&g<d.length;g++){var h=d[g];if(!e||h.ra)for(var k=cf(h)&(d==a.b?65535:-1),l=0;l<c;l++)if(b+l==k){var p,f=!0;h.ra&&(Mf(a,d,h,!0),e=!0);if(p=h.Ab){for(var f=!1,u=0;u<p.length;u++)if(!Pf(a,p[u],!0)){if(p[u].indexOf("if")){f=!0;break}for(var A=u+1;A<p.length&&p[A].indexOf("else");A++)u++;if(A==p.length){f=!0;break}}a.v.A.P||(f=!0)}if(f){e||Nf(a,d,g,"hit");break}}}a.ya--;return f}
 function Qf(a,b){b=void 0===b?!0:b;for(var c="",d=0;16>d;d++){!d||d&3||(c+="\n");var e=a,f=va(d,2);df(e.Ia,d);f+="="+L(e,e.Na(e.Ia),36)+" ";c+=f}if(b){b="";for(d=0;d<mf.length;d++)(e=mf[d]||"")&&(e+="="+L(a,a.vb(d),d>=rf?1:d==of?23:18)+" "),b+=e;c+="\n"+b}return c}m.Hb=function(a,b){return a[0]>b[0]?1:a[0]<b[0]?-1:0};
 function De(a,b,c,d,e){var f=[],g;for(g in e){var h=e[g];"number"==typeof h&&(e[g]=h={o:h});var k=h.o,l=h.a;if(void 0!==k){var p=f,k=[k>>>0,g],u=Ga(p,k,a.Hb);0>u&&p.splice(-(u+1),0,k)}l&&(h.a=l.replace(/''/g,'"'))}a.I.push({yd:b,B:c,Wb:d,Z:e,Cb:f})}function Rf(a,b,c){var d=[],e=cf(b)>>>0;for(b=0;b<a.I.length;b++){var f=a.I[b],g=f.B>>>0,h=f.Wb;if(e>=g&&e<g+h){e=Ga(f.Cb,[e-g],a.Hb);0<=e?rg(a,b,e,d):c&&(e=~e,rg(a,b,e-1,d),rg(a,b,e,d));break}}return d}
 function tg(a,b,c){var d=a.G,e=0,f=null,g=0;b.forEach(function(a,b){d.b[(b&d.j)>>>d.i].g(a,b&16383,b);null==f&&(f=b);b>g&&(g=b);e++});e?(b="start address ",null!=c?(I(a.v,c),b+=L(a,c)):b+="unspecified",a.u(e+" words loaded at "+L(a,f)+"-"+L(a,g)+", "+b),cd(a)):a.u("no data")}function rg(a,b,c,d){var e={},f=a.I[b].Cb,g=0,h=null;0<=c&&c<f.length&&(g=f[c][0],h=f[c][1]);h&&(e=a.I[b].Z[h],h="."==h.charAt(0)?null:e.l||h);d.push(h);d.push(g);d.push(e.a);d.push(e.c)}
@ -216,13 +216,13 @@ function ug(a,b){var c=b[0].substr(1),d=b[1]&&"0"<=b[1][0]&&"9">=b[1][0]?b[1]:vo
 (c||h));a.xa=null;b||ed(a)});return!1}b.shift();b.shift();b.shift();b=Lf(a,e,b.join(""),f.B||0);0<=b&&(a.zb(f,b),a.u(Df(a,f)));return!0}function wg(a,b){var c=b.match(/^\s*([A-Z_]?[A-Z0-9_]*)\s*(=?)\s*(.*)$/i);if(c){if(!c[1])return Ye(a)||a.u("no variables"),!0;if(!c[2])return Ye(a,c[1]);if(!c[3])return delete a.i[c[1]],!0;b=Ve(a,c[3]);return void 0!==b?(a.i[c[1]]={value:b,ja:void 0},!0):!1}a.u("invalid assignment:"+b);return!1}
 function xg(a,b,c){var d=null;b=hf(a,b);var e=Rf(a,b,!0);if(e.length){var f,g;e[0]&&(g="",(f=b.B-e[1])&&(g=" + "+n(f,4,!0)),f=e[0]+" ("+L(a,e[1],18)+")"+g,c&&a.u(f),d=f);4<e.length&&e[4]&&(g="",(f=e[5]-b.B)&&(g=" - "+n(f,4,!0)),f=e[4]+" ("+L(a,e[5],18)+")"+g,c&&a.u(f),d||(d=f))}else c&&a.u("no symbols");return d}
 function Af(a,b){var c;if(b&&"?"==b[1])a.u("register commands:"),a.u("\tr\tdump registers"),a.u("\trm\tdump misc registers"),a.u("\trx [#]\tset flag or register x to [#]");else{var d=a.v,e=void 0;null==c&&(c=!0);if(b&&1<b.length){var f=b[1];if("m"==f)e=!0;else{var g=f.indexOf("=");if(0<g)b=f.substr(g+1),f=f.substr(0,g);else if(2<b.length)b=b[2];else{a.u("missing value for "+b[1]);return}g=Ve(a,b);if(void 0===g)return;b=a.ub(f);if(0>b){a.u("unknown register: "+f);return}var f=0,h=a.v;switch(b){case nf:I(h,
-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),Bf(a,L(a,a.M.B,18)))}}function yg(a,b){b=Da(b);var c=b.match(/^(['"])(.*?)\1$/);c?1<c[2].length?a.u(c[2]):We(a,null,c[2].charCodeAt(0)):Ve(a,b,!1)}
+g);df(a.M,h.i);break;case qf:rd(h,g);break;case rf:f=131072;break;case sf:f=65536;break;case tf:f=32768;break;case uf:f=32;break;case vf:f=262144}f&&(h.j=g?h.j|f:h.j&~f);K(a.H);a.u("updated registers:")}}a.u(Qf(a,e));c&&(df(a.M,0<=d.O?d.O:d.I&4194304?d.pa:d.i),Bf(a,L(a,a.M.B,18)))}}function yg(a,b){b=Da(b);var c=b.match(/^(['"])(.*?)\1$/);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(Bb(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 Ab=+A||0;A&&(a.qa=Ab);a.u("break after "+Ab+" instruction(s)")}else if(void 0===
-A)a.u("missing breakpoint address");else{var H="*"==A?Z():hf(a,A,a.M);"c"==F?null==H.B?($e(a),a.u("all breakpoints cleared")):Mf(a,a.b,H)||Mf(a,a.N,H)||Mf(a,a.K,H)||a.u("breakpoint missing: "+L(a,H.B,18)):null!=H.B&&(kf(a,H,J),"p"==F?a.Ra(a.b,H):"r"==F?a.Ra(a.N,H):"w"==F?a.Ra(a.K,H):a.u("unknown breakpoint command: "+F))}}break;case "c":a.za&&(a.za.value="");break;case "d":a:{var hb,ib=g[0],qa=g[1],Ea=g[2],Jh=g[3];if("?"==qa){var jb="";for(hb in bc)a.wa[hb]&&(jb&&(jb+=","),jb+=hb);jb+=",state,symbols";
-a.u("dump memory commands:");a.u("\tdw [a] [n]    dump n words at address a");a.u("\tds [a] [n]    dump n words at address a as JSON");a.u("\tdh [p] [n]    dump n instructions from history position p");jb.length&&a.u("dump extension commands:\n\t"+jb)}else if("state"==qa){var Ld=Ag(a.H,!0);"console"==Ea?console.log(Ld):(a.za&&(a.za.value=""),Ld&&a.u(Ld))}else if("symbols"==qa)for(var Md=0;Md<a.I.length;Md++){var Nd=a.I[Md],kb;for(kb in Nd.Z)if("."!=kb.charAt(0)){var Sf=Nd.Z[kb].o;if(void 0!==Sf){var Tf=
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 a.U;Eb.U&&(a.U=Eb.U);for(var bg="db"==ib?1:2,Pd=Na||32,Qd=1==bg?1:4,Mh=(Pd+Qd-1)/Qd|0||1,Oa="";Mh--&&0<Pd;){for(var sa="",Rd="",qa=L(a,Eb.B,18),cg=Qd;0<cg--&&0<Pd--;){var Sd=a.Na(Eb,1);ag?(sa&&(sa+=","),sa+=Sd):(sa+=lf(a,Sd),sa+="  ");for(var Ic=29,Nh=0;1==bg&&0<=Ic;Nh++)var Fb=Sd/Math.pow(2,Ic)%Math.pow(2,7),sa=sa+(L(a,Fb,7)+" "),Fb=Fb+0,Rd=Rd+(32>Fb?".":String.fromCharCode(Fb)),Ic=Ic-7}Oa&&(Oa+="\n");Oa=ag?Oa+(sa+","):Oa+(qa+": "+sa+(0>cg?" "+Rd:""))}Oa&&a.u(Oa);a.U=Lh}}}break;case "e":if("else"==
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@ -242,8 +242,8 @@ nf=0,of=1,pf=2,qf=3,rf=4,sf=5,tf=6,uf=7,vf=8,mf="PC RA EA PS OV C0 C1 ND PD".spl
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+function ii(a,b,c,d,e){if(!b.A.aa){b.A.aa=!0;var f=null;try{if(e&&((f=c.get(b.id))||(f=c.get(b.id.replace(/[a-z0-9]\./i,".")))),"string"===typeof f&&(f=null),!b.Ca(f,d)&&f&&(q("Unable to restore state for "+b.type),a.M&&!a.V?(c.clear(),a.b=Ih,window&&window.location.reload()):a.O=!0,b.Ca(null),e=!1),!d&&b.Eb){var g=b.Eb.split("|");for(a=0;a<g.length;a++)b.status(g[a])}}catch(h){q("Error restoring state for "+b.type+" ("+h.message+")")}}return e}
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+function K(a,b){if(a.v){var c=a.v,d=b||0,e=c.J.speed;e&&(0>=d||30<=(c.lb+=d))&&(e.textContent=c.A.P?c.ba.toFixed(2)+"Mhz":"Stopped",c.lb=0)}if(a.j&&(a=a.j,b=b||0,a.L)){c=a.v.A.P;d=!!(a.v.C&8);if(0>=b||60<=(a.K+=b)){e=a.v.i;if(a.J.PC){var f=a.D&&a.D.U||8,e=e||0,e=8==f?va(e,void 0):n(e,void 0);a.J.PC.textContent!=e&&(a.J.PC.textContent=e)}a.K=0}-1>b?a.i=a.v.i:0<b&&c&&!d&&(a.i=a.v.Da);kc(a,a.i);ec(a,a.w)}}
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 function Hh(a,b){var c=a.i;c||((c=Qa(hi),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=oi(a,c))||a.ha("The user ID is invalid.")):b&&a.ha("Browser local storage is not available"));return c}
 function oi(a,b){a.i=null;b=Ia(Ka()+"/api/v1/user?req=verify&user="+b);var c=b[1];if(!b[0]&&c)try{b=eval("("+c+")"),b.code&&"ok"==b.code&&(Ra(hi,b.data),a.i=b.data)}catch(d){q(d.message+" ("+c+")")}return a.i}function Vh(a){var b=null;a.i&&(b=Ka()+"/api/v1/user?req=load&user="+a.i+"&state="+pi(a,"1.34.3"));return b}
 function mi(a,b,c){if(c){var d={req:"store"};d.user=b;d.state=pi(a,"1.34.3");d.data=c;b=Ia(Ka()+"/api/v1/user",d);d=b[0];if(b[1]){if(d){var e=d.indexOf("\n");0<e&&(d=d.substr(0,e));d.indexOf("Error: ")||(d=d.substr(7))}d='{"code":'+b[1]+',"data":"'+d+'"}'}b=JSON.parse(d);b&&"ok"==b.code?a.ha("Machine state saved to server"):c&&(c=b&&b.data||"unable to save machine state",c="error"==b.code?"Error: "+c:"Error "+b.code+": "+c,a.ha(c),Ra(hi,""),a.i=null)}}
-function jd(a,b){if(a.za){var c=0,d=0;!b&&window&&(c=window.scrollX,d=window.scrollY);a.za.focus();!b&&window&&window.scrollTo(c,d)}}var ci="failsafe",Yh="validate",$h="timestamp",ji="version",ki="url",li="browser",hi="user",bi=-1,Ih=0,ai=1,ei=2,ni=3;Ya(function(){for(var a=w(document,v+"-machine"),b=0;b<a.length;b++)for(var c=a[b],d=t(c),c=w(c,v,"computer"),e=0;e<c.length;e++){var f=c[e],g=t(f),g=new Fh(g,d,!0);sb(g,f);g.N&&Wh(g,g.Xa)}});
+function jd(a,b){if(a.Aa){var c=0,d=0;!b&&window&&(c=window.scrollX,d=window.scrollY);a.Aa.focus();!b&&window&&window.scrollTo(c,d)}}var ci="failsafe",Yh="validate",$h="timestamp",ji="version",ki="url",li="browser",hi="user",bi=-1,Ih=0,ai=1,ei=2,ni=3;Ya(function(){for(var a=w(document,v+"-machine"),b=0;b<a.length;b++)for(var c=a[b],d=t(c),c=w(c,v,"computer"),e=0;e<c.length;e++){var f=c[e],g=t(f),g=new Fh(g,d,!0);sb(g,f);g.N&&Wh(g,g.Xa)}});
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--- a/versions/pdpjs/1.34.3/pdp10.js
+++ b/versions/pdpjs/1.34.3/pdp10.js
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@ -58,52 +58,52 @@ var Ma=window?window.PCjs.Machines:{},v=window?window.PCjs.Components:[],Sa=wind
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