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function Yb(a){var b=a.B,c,d,f,e=b.pa>>13&7;"undefined"===typeof b.la[e]&&(b.la[e]={cache:[],postProcess:a.$c,drive:e,blocksize:256,mapped:0,maxblock:b.gb[e]*b.V[e],url:"rk"+e+".dsk"});b.M&=-129;switch(b.M>>1&7){case 0:b.Qb=2496;b.ia=0;b.M=128;b.pa=0;break;case 1:if((b.pa>>4&511)>=b.gb[e]){b.ia|=32832;b.M|=49152;break}if((b.pa&15)>=b.V[e]){b.ia|=32800;b.M|=49152;break}c=(b.pa>>4&511)*b.V[e]+(b.pa&15);d=(b.M&48)<<12|b.Pb;f=65536-b.Rb&65535;Zb(a,b.la[e],c,d,f);return;case 2:if((b.pa>>4&511)>=b.gb[e])b.ia|=
32832,b.M|=49152;else if((b.pa&15)>=b.V[e])b.ia|=32800,b.M|=49152;else{c=(b.pa>>4&511)*b.V[e]+(b.pa&15);d=(b.M&48)<<12|b.Pb;f=65536-b.Rb&65535;a.ac(b.la[e],c,d,f);return}}b.Qb=e<<13|b.Qb&8176|b.pa%9&15;H(a.b,20,5,144,function(){b.M=b.M&65534|128;return!!(b.M&64)})}l.$c=function(a,b,c,d,f){var e=this.B;e.Pb=d&65535;e.M=e.M&-49|d>>12&48;e.Rb=65536-f&65535;switch(a){case 1:e.ia|=33024;e.M|=49152;break;case 2:e.ia|=33792,e.M|=49152}H(this.b,20,5,144,function(){e.M=e.M&65534|128;return!!(e.M&64)})};
function $b(a){var b=a.D,c,d,f,e=b.K>>8&3;b.K&=-2;"undefined"===typeof b.la[e]&&(b.la[e]={cache:[],postProcess:a.ad,drive:e,blocksize:128,mapped:1,maxblock:b.gb[e]*b.V[e],url:"rl"+e+".dsk"});switch(b.K>>1&7){case 2:b.Xa&8&&(b.K&=63);b.Xa=b.Hc[e]|b.bb&64;break;case 3:1==(b.$&3)&&(b.bb=b.$&4?b.bb+(b.$&65408)&65408|b.$<<2&64:b.bb-(b.$&65408)&65408|b.$<<2&64,b.$=b.bb);break;case 4:b.Xa=b.bb;break;case 5:if(b.$>>6>=b.gb[e]){b.K|=37888;break}if((b.$&63)>=b.V[e]){b.K|=37888;break}c=(b.$>>6)*b.V[e]+(b.$&
63);d=(b.Ra&63)<<16|b.Fb;f=65536-b.Xa&65535;Zb(a,b.la[e],c,d,f);return;case 6:if(b.$>>6>=b.gb[e])b.K|=37888;else if((b.$&63)>=b.V[e])b.K|=37888;else{c=(b.$>>6)*b.V[e]+(b.$&63);d=(b.Ra&63)<<16|b.Fb;f=65536-b.Xa&65535;a.ac(b.la[e],c,d,f);return}}H(a.b,20,5,112,function(){b.K|=129;return!!(b.K&64)})}
l.ad=function(a,b,c,d,f){var e=this.D;e.Fb=d&65535;e.K=e.K&-49|d>>12&48;e.Ra=d>>16&63;e.$=~~(c/e.V[b.Ka])<<6|c%e.V[b.Ka];e.bb=e.$;e.Xa=65536-f&65535;switch(a){case 1:e.K|=33792;break;case 2:e.K|=40960}H(this.b,20,5,112,function(){e.K|=129;return!!(e.K&64)})};function ac(a){a=a.G;a.N=2176;a.Ba=0;a.na=[4544,4544,4544,4544,4544,4544,4544,4544];a.vb=[0,0,0,0,0,0,0,0];a.lb=a.wb=a.ub=a.ab=a.mc=0}
function bc(a,b){var c=a.G,d,f,e;c.N&=-16513;c.Ba&=-2049;c.na[b]&=-1153;H(a.b,-1,0,172);"undefined"===typeof c.la[b]&&(c.la[b]={cache:[],postProcess:a.bd,drive:b,blocksize:256,mapped:0,maxblock:c.ec[0]*c.fb[0]*c.V[0],url:"rp"+b+".dsk"});switch(c.N&63){case 5:c.cc[b]=c.Pa[b];c.N|=32896;c.na[b]|=32896;c.lb|=1<<b;break;case 9:ac(a);break;case 19:c.na[b]|=64;break;case 49:if(c.Pa[b]>=c.ec[0]||c.Ca[b]>>8>=c.fb[0]||(c.Ca[b]&255)>=c.V[0]){c.vb[b]|=1024;c.N|=49152;break}d=(c.Pa[b]*c.fb[0]+(c.Ca[b]>>8))*c.V[0]+
(c.Ca[b]&255);f=(c.ab&63)<<16|c.ub;e=65536-c.wb&65535;Zb(a,c.la[b],d,f,e);return;case 57:if(c.Pa[b]>=c.ec[0]||c.Ca[b]>>8>=c.fb[0]||(c.Ca[b]&255)>=c.V[0])c.vb[b]|=1024,c.N|=49152;else{d=(c.Pa[b]*c.fb[0]+(c.Ca[b]>>8))*c.V[0]+(c.Ca[b]&255);f=(c.ab&63)<<16|c.ub;e=65536-c.wb&65535;a.ac(c.la[b],d,f,e);return}}H(a.b,3,5,172,function(){c.N=c.N&65534|128;c.na[b]|=128;return!!(c.N&64)})}
l.bd=function(a,b,c,d,f){var e=this.G;e.wb=65536-f&65535;e.ub=d&65535;e.N=e.N&-769|d>>8&768;e.ab=d>>16&63;f=~~(c/e.V[0]);d=~~(f/e.fb[0]);e.Ca[b.Ka]=f%e.fb[0]<<8|c%e.V[0];e.cc[b.Ka]=e.Pa[b.Ka]=d;e.lb|=1<<b.Ka;c>=b.Tc-1&&(e.na[b.Ka]|=1024);switch(a){case 1:e.Ba|=512;e.N|=49152;break;case 2:e.Ba|=2048,e.N|=49152}H(this.b,20,5,172,function(){e.na[b.Ka]|=128;e.N=e.N&65534|128;return!!(e.N&64)})};
function cc(a,b,c,d,f,e){var g=~~((e+c.Sa-1)/c.Sa),h=new XMLHttpRequest;2048>g&&d+2048<c.Tc&&(g=2048);h.open("GET",c.url,!0);h.setRequestHeader("Range","bytes="+(d*c.Sa<<1)+"-"+(((d+g)*c.Sa<<1)-1));h.responseType="arraybuffer";h.onreadystatechange=function(){if(4==h.readyState){var g=b.bind(a),m,n,p,q;m=h.response;if(h.status&&206!=h.status||!m)c.$b(1,c,d,f,e);else{m=new Uint8Array(m);n=d;for(q=0;q<m.length;){if("undefined"===typeof c.cache[n])for(c.cache[n]=[],p=0;p<c.Sa;p++)c.cache[n][p]=q<m.length?
m[q]&255|m[q+1]<<8&65280:0,q+=2;else q+=c.Sa<<1;n++}g(c,d,f,e)}}};h.send(null)}function I(a,b,c,d,f){c&1?f?d=0<=d?d<<8&65280|b&255:b:J(a.b,4):0<=d?f&&(d=b&65280|d&255):d=b;return d}l.ac=function(a,b,c,d){for(var f;0<d;){if("undefined"===typeof a.cache[b]){cc(this,this.ac,a,b,c,d);return}for(f=0;f<a.Sa&&0<d;f++){if(0>dc(this.b,a.Sc?ec(this.b,c):c,a.cache[b][f])){a.$b(2,a,b,c,d);return}c+=2;--d}b++}a.$b(0,a,b,c,d)};
function Zb(a,b,c,d,f){for(var e,g;0<f;){if("undefined"===typeof b.cache[c])for(b.cache[c]=[],e=0;e<b.Sa;e++)b.cache[c][e]=0;for(e=0;e<b.Sa&&0<f;e++){g=a.b.bc(b.Sc?ec(a.b,d):d);if(0>g){b.$b(2,b,c,d,f);return}b.cache[c][e]=g;d+=2;--f}c++}b.$b(0,b,c,d,f)}l.reset=function(){this.w.qb=this.w.qb&-120|20;this.u.Ga=0;this.u.ra=128;this.f.Wa=0;this.B.M=128;this.D.K=128;ac(this)};
l.Gc=function(a,b,c){var d,f,e=this.b;switch(a&-64){case 4194240:switch(a&-2){case 4194300:0>b?d=e.Za&65280:(a&1&&(b<<=8),e.Za=b|255,d=0);break;case 4194298:if(0>b)d=e.lc;else{a&1&&(b<<=8);if(d=b&65024){f=d>>9;do d+=34;while(f>>=1)}e.lc=d;e.Na=2}break;case 4194294:if(70!==e.jb)return J(e,4);0>b?d=e.H:d=e.H=0;break;case 4194292:if(70!==e.jb)return J(e,4);d=1;break;case 4194290:if(70!==e.jb)return J(e,4);d=0;break;case 4194288:if(70!==e.jb)return J(e,4);d=61183;break;case 4194296:0<=b&&!(a&1)&&(b&=
255);case 4194286:case 4194284:case 4194282:case 4194280:case 4194278:case 4194276:case 4194274:case 4194272:if(70!==e.jb)return J(e,4);f=a-4194272>>1;0>b?d=e.hc[f]:(d=I(this,e.hc[f],a,b,c),0<=d&&(e.hc[f]=d));break;case 4194254:return a&1?e.fa>>14&1?(0<=b&&(e.i[6]=b),d=e.i[6]):(0<=b&&(e.Oa[3]=b),d=e.Oa[3]):e.fa>>14&0?(0<=b&&(e.i[6]=b),d=e.i[6]):(0<=b&&(e.Oa[1]=b),d=e.Oa[1]),d;case 4194252:case 4194250:case 4194248:return f=a&7,e.fa&2048?(0<=b&&(e.i[f]=b),d=e.i[f]):(0<=b&&(e.$a[f]=b),d=e.$a[f]),d;
case 4194246:return a&1?(0<=b&&(e.i[7]=b),d=e.i[7]):e.fa>>14&0?(0<=b&&(e.i[6]=b),d=e.i[6]):(0<=b&&(e.Oa[0]=b),d=e.Oa[0]),d;case 4194244:case 4194242:case 4194240:return f=a&7,e.fa&2048?(0<=b&&(e.$a[f]=b),d=e.$a[f]):(0<=b&&(e.i[f]=b),d=e.i[f]),d;default:return e.H|=16,J(e,4)}break;case 4194176:f=a>>1&31;d=I(this,e.ha[3][f],a,b,c);0<=d&&(e.ha[3][f]=d,e.ha[3][f&15]&=65295);break;case 4194112:var g=this.u;switch(a&-2){case 4194174:d=I(this,e.Vb,a,b,c);0<=d&&(e.Vb=d);break;case 4194172:d=e.cb;d&65280&&
(d=(d<<8|d>>8)&65535);break;case 4194168:0>b?d=this.w.jd&65535:(d=I(this,this.w.data,a,b,c),0<=d&&(this.w.data=d));break;case 4194166:0<=b&&(b&127&&(g.Lc=0),g.ra&=-129,H(e,100,4,52,function(){g.ra|=128;return!!(g.ra&64)}));d=0;break;case 4194162:d=0;0>b&&(g.Ga&=-129,0<g.jc.length&&(d=g.jc.shift(),0<g.jc.length&&setTimeout(function(){g.Ga|=128;g.Ga&64&&H(e,40,4,48)},50)));break;case 4194160:0>b?d=g.Ga:(d=I(this,g.Ga,a,b,c),0<=d&&(g.Ga=g.Ga&128|d&-129));break;default:return e.H|=16,J(e,4)}break;case 4194048:f=
this.B;switch(a&-2){case 4194048:d=I(this,f.Qb,a,b,c);0<=d&&(f.Qb=d);break;case 4194050:d=I(this,f.ia,a,b,c);0<=d&&(f.ia=d);break;case 4194052:d=I(this,f.M,a,b,c);0<=b&&0<=d&&(f.M=d&-36993|f.M&36992,f.M&1&&Yb(this));break;case 4194054:d=I(this,f.Rb,a,b,c);0<=d&&(f.Rb=d);break;case 4194056:d=I(this,f.Pb,a,b,c);0<=d&&(f.Pb=d);break;case 4194058:d=I(this,f.pa,a,b,c);0<=d&&(f.pa=d);break;case 4194060:break;case 4194062:d=I(this,f.zc,a,b,c);0<=d&&(f.zc=d);break;default:return e.H|=16,J(e,4)}break;case 4193728:var h=
this.G;f=h.Ba&7;switch(a&-2){case 4193728:d=I(this,h.N,a,b,c);0<=b&&0<=d&&(h.ab=h.ab&60|d>>8&3,h.N=d&17279|h.N&34944|2048,d&1&&h.N&128?bc(this,f):192==(d&192)&&H(e,0,5,172));break;case 4193730:d=I(this,h.wb,a,b,c);0<=d&&(h.wb=d);break;case 4193732:d=I(this,h.ub,a,b,c);0<=d&&(h.ub=d&65534);break;case 4193734:d=I(this,h.Ca[f],a,b,c);0<=d&&(h.Ca[f]=d&7967);break;case 4193736:d=I(this,h.Ba,a,b,c);0<=d&&(h.Ba=d&63|h.Ba&65472,d&128&&ac(this));break;case 4193738:d=h.na[f];break;case 4193740:d=h.vb[f];break;
case 4193742:d=I(this,h.lb,a,b,c);0<=d&&(h.lb=d&255);break;case 4193744:d=h.gd[f];break;case 4193746:d=I(this,h.Ac,a,b,c);0<=d&&(h.Ac=d);break;case 4193748:d=I(this,h.Bc[f],a,b,c);0<=d&&(h.Bc[f]=d&1023);break;case 4193750:d=8210;break;case 4193752:d=h.hd[f];break;case 4193754:d=I(this,h.Cc[f],a,b,c);0<=d&&(h.Cc[f]=d);break;case 4193756:d=I(this,h.Pa[f],a,b,c);0<=d&&(h.Pa[f]=d&511);break;case 4193758:h.cc[f]=h.Pa[f];d=h.cc[f];break;case 4193760:d=h.ed[f];break;case 4193762:d=h.fd[f];break;case 4193764:d=
h.cd[f];break;case 4193766:d=h.dd[f];break;case 4193768:d=I(this,h.ab,a,b,c);0<=d&&(h.ab=d&63,h.N=h.N&-769|(d&3)<<8);break;case 4193770:d=I(this,h.mc,a,b,c);0<=d&&(h.mc=d);break;default:return e.H|=16,J(e,4)}break;case 4192512:f=this.D;switch(a&-2){case 4192512:d=I(this,f.K,a,b,c);0<=b&&0<=d&&(f.Ra=f.Ra&60|d>>4&3,f.K=f.K&-1023|d&1022,f.K&128||$b(this));break;case 4192514:d=I(this,f.Fb,a,b,c);0<=d&&(f.Fb=d&65534);break;case 4192516:d=I(this,f.$,a,b,c);0<=d&&(f.$=d);break;case 4192518:d=I(this,f.Xa,
a,b,c);0<=d&&(f.Xa=d);break;case 4192520:d=I(this,f.Ra,a,b,c);0<=d&&(f.Ra=d&63,f.K=f.K&-49|(f.Ra&3)<<4);break;default:return e.H|=16,J(e,4)}break;case 4191552:switch(a&-2){case 4191566:0>b?d=e.eb:(d=I(this,e.eb,a,b,c),0<=d&&(70!==e.jb&&(d&=-49),e.eb=d,e.Zb[0]=d&4?15:7,e.Zb[1]=d&2?15:7,e.Zb[3]=d&1?15:7,e.Yb&&(f=2,e.eb&16&&(f=1),this.w.qb=this.w.qb&-8|f)));break;default:return e.H|=16,J(e,4)}break;case 4191424:f=a>>1&31;d=I(this,e.ha[0][f],a,b,c);0<=d&&(e.ha[0][f]=d,e.ha[0][f&15]&=65295);break;case 4191360:f=
a>>1&31;d=I(this,e.ha[1][f],a,b,c);0<=d&&(e.ha[1][f]=d,e.ha[1][f&15]&=65295);break;case 4190400:case 4190336:if(70!==e.jb)return J(e,4);f=a>>2&31;d=e.Sb[f];a&2&&(d>>=16);d&=65535;0<=b&&(d=I(this,d,a,b,c),0<=d&&(e.Sb[f]=a&2?d<<16|e.Sb[f]&65535:e.Sb[f]&4294901760|d&65534));break;case 4188672:case 4188736:case 4188800:case 4188864:case 4188928:case 4188992:case 4189056:case 4189120:if(0>b)d=Sb[a>>1&255];else return e.H|=16,J(e,4);break;default:return e.H|=16,J(e,4)}c&&0<=d&&(a&1?d>>=8:d&=255);"undefined"===
typeof d&&console.log("panic(76)");return d};var fc={},Hb=(fc[65382]=[null,null,G.prototype.Wc,G.prototype.ld],fc[65402]=[null,null,G.prototype.Xc,G.prototype.md],fc[65396]=[null,null,G.prototype.Zc,G.prototype.od],fc[65534]=[null,null,G.prototype.Yc,G.prototype.nd],fc);Ma(function(){for(var a=C(document,"pdp11","device"),b=0;b<a.length;b++){var c=a[b],d=y(c),d=new G(d);lb(d,c)}});var gc;
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var kc=0,lc=2,Bb=4,Db=["NONE","RAM","ROM","VID","H/W"],jc=0;
F.prototype={constructor:F,parent:null,save:function(){var a,b;if(this.controller)a=null;else if(rb)for(a=Array(this.size>>2),b=0;b<a.length;b++)a[b]=this.D.getInt32(b<<2,!0);else a=this.b;return a},restore:function(a){if(this.controller)return!a;if(a&&this.size==a.length<<2){var b;if(rb)for(b=0;b<a.length;b++)this.D.setInt32(b<<2,a[b],!0);else this.b=a;return this.Ua=!0}return!1},hb:function(a,b){b?this.u++||qc(this,rc,!1):this.I++||sc(this,rc,!1)},O:function(){this.F&&mb(this.F,129)&&this.F.message("attempt to read invalid block %"+
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function of(a,b){var c=a.u;c||((c=xa("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=zf(a,c))||a.ma("The user ID is invalid.")):b&&a.ma("Browser local storage is not available"));return c}
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