pcjs/versions/pdp11/1.30.0/pdp11.js

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function ib(a){var b=a.h,c,d,f,e=b.u>>8&3;b.u&=-2;"undefined"===typeof b.T[e]&&(b.T[e]={cache:[],postProcess:a.tc,drive:e,blocksize:128,mapped:1,maxblock:b.Ja[e]*b.I[e],url:"rl"+e+".dsk"});switch(b.u>>1&7){case 2:b.ya&8&&(b.u&=63);b.ya=b.ac[e]|b.Ca&64;break;case 3:1==(b.L&3)&&(b.Ca=b.L&4?b.Ca+(b.L&65408)&65408|b.L<<2&64:b.Ca-(b.L&65408)&65408|b.L<<2&64,b.L=b.Ca);break;case 4:b.ya=b.Ca;break;case 5:if(b.L>>6>=b.Ja[e]){b.u|=37888;break}if((b.L&63)>=b.I[e]){b.u|=37888;break}c=(b.L>>6)*b.I[e]+(b.L&63);
d=(b.ra&63)<<16|b.Xa;f=65536-b.ya&65535;hb(a,b.T[e],c,d,f);return;case 6:if(b.L>>6>=b.Ja[e])b.u|=37888;else if((b.L&63)>=b.I[e])b.u|=37888;else{c=(b.L>>6)*b.I[e]+(b.L&63);d=(b.ra&63)<<16|b.Xa;f=65536-b.ya&65535;a.sb(b.T[e],c,d,f);return}}I(a.a,20,5,112,function(){b.u|=129;return!!(b.u&64)})}
k.tc=function(a,b,c,d,f){var e=this.h;e.Xa=d&65535;e.u=e.u&-49|d>>12&48;e.ra=d>>16&63;e.L=~~(c/e.I[b.ja])<<6|c%e.I[b.ja];e.Ca=e.L;e.ya=65536-f&65535;switch(a){case 1:e.u|=33792;break;case 2:e.u|=40960}I(this.a,20,5,112,function(){e.u|=129;return!!(e.u&64)})};function jb(a){a=a.j;a.F=2176;a.ba=0;a.V=[4544,4544,4544,4544,4544,4544,4544,4544];a.Qa=[0,0,0,0,0,0,0,0];a.Na=a.Ra=a.Pa=a.Ba=a.Gb=0}
function kb(a,b){var c=a.j,d,f,e;c.F&=-16513;c.ba&=-2049;c.V[b]&=-1153;I(a.a,-1,0,172);"undefined"===typeof c.T[b]&&(c.T[b]={cache:[],postProcess:a.uc,drive:b,blocksize:256,mapped:0,maxblock:c.wb[0]*c.Ia[0]*c.I[0],url:"rp"+b+".dsk"});switch(c.F&63){case 5:c.ub[b]=c.ma[b];c.F|=32896;c.V[b]|=32896;c.Na|=1<<b;break;case 9:jb(a);break;case 19:c.V[b]|=64;break;case 49:if(c.ma[b]>=c.wb[0]||c.ca[b]>>8>=c.Ia[0]||(c.ca[b]&255)>=c.I[0]){c.Qa[b]|=1024;c.F|=49152;break}d=(c.ma[b]*c.Ia[0]+(c.ca[b]>>8))*c.I[0]+
(c.ca[b]&255);f=(c.Ba&63)<<16|c.Pa;e=65536-c.Ra&65535;hb(a,c.T[b],d,f,e);return;case 57:if(c.ma[b]>=c.wb[0]||c.ca[b]>>8>=c.Ia[0]||(c.ca[b]&255)>=c.I[0])c.Qa[b]|=1024,c.F|=49152;else{d=(c.ma[b]*c.Ia[0]+(c.ca[b]>>8))*c.I[0]+(c.ca[b]&255);f=(c.Ba&63)<<16|c.Pa;e=65536-c.Ra&65535;a.sb(c.T[b],d,f,e);return}}I(a.a,3,5,172,function(){c.F=c.F&65534|128;c.V[b]|=128;return!!(c.F&64)})}
k.uc=function(a,b,c,d,f){var e=this.j;e.Ra=65536-f&65535;e.Pa=d&65535;e.F=e.F&-769|d>>8&768;e.Ba=d>>16&63;f=~~(c/e.I[0]);d=~~(f/e.Ia[0]);e.ca[b.ja]=f%e.Ia[0]<<8|c%e.I[0];e.ub[b.ja]=e.ma[b.ja]=d;e.Na|=1<<b.ja;c>=b.ic-1&&(e.V[b.ja]|=1024);switch(a){case 1:e.ba|=512;e.F|=49152;break;case 2:e.ba|=2048,e.F|=49152}I(this.a,20,5,172,function(){e.V[b.ja]|=128;e.F=e.F&65534|128;return!!(e.F&64)})};
function lb(a,b,c,d,f,e){var g=~~((e+c.sa-1)/c.sa),h=new XMLHttpRequest;2048>g&&d+2048<c.ic&&(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,q,w,E;m=h.response;if(h.status&&206!=h.status||!m)c.Db(1,c,d,f,e);else{m=new Uint8Array(m);q=d;for(E=0;E<m.length;){if("undefined"===typeof c.cache[q])for(c.cache[q]=[],w=0;w<c.sa;w++)c.cache[q][w]=E<m.length?
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function hb(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=nb(a.a,b.hc?mb(a.a,d):d);if(0>g){b.Db(2,b,c,d,f);return}b.cache[c][e]=g;d+=2;--f}c++}b.Db(0,b,c,d,f)}k.reset=function(){this.c.Oa=this.c.Oa&-120|20;this.b.xa=0;this.g.D=128;this.h.u=128;jb(this)};
k.$b=function(a,b,c){var d,f,e=this.a;switch(a&-64){case 4194240:switch(a&-2){case 4194300:0>b?d=e.Aa&65280:(a&1&&(b<<=8),e.Aa=b|255,d=0);break;case 4194298:if(0>b)d=e.Fb;else{a&1&&(b<<=8);if(d=b&65024){f=d>>9;do d+=34;while(f>>=1)}e.Fb=d;e.l|=2}break;case 4194294:if(70!==e.Ka)return K(e,4);0>b?d=e.s:d=e.s=0;break;case 4194292:if(70!==e.Ka)return K(e,4);d=1;break;case 4194290:if(70!==e.Ka)return K(e,4);d=0;break;case 4194288:if(70!==e.Ka)return K(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.Ka)return K(e,4);f=a-4194272>>1;0>b?d=e.Bb[f]:(d=J(this,e.Bb[f],a,b,c),0<=d&&(e.Bb[f]=d));break;case 4194254:return a&1?e.C>>14&1?(0<=b&&(e.f[6]=b),d=e.f[6]):(0<=b&&(e.ea[3]=b),d=e.ea[3]):e.C>>14&0?(0<=b&&(e.f[6]=b),d=e.f[6]):(0<=b&&(e.ea[1]=b),d=e.ea[1]),d;case 4194252:case 4194250:case 4194248:return f=a&7,e.C&2048?(0<=b&&(e.f[f]=b),d=e.f[f]):(0<=b&&(e.Ma[f]=b),d=e.Ma[f]),d;case 4194246:return a&
1?(0<=b&&(e.f[7]=b),d=e.f[7]):e.C>>14&0?(0<=b&&(e.f[6]=b),d=e.f[6]):(0<=b&&(e.ea[0]=b),d=e.ea[0]),d;case 4194244:case 4194242:case 4194240:return f=a&7,e.C&2048?(0<=b&&(e.Ma[f]=b),d=e.Ma[f]):(0<=b&&(e.f[f]=b),d=e.f[f]),d;default:return e.s|=16,K(e,4)}break;case 4194176:f=a>>1&31;d=J(this,e.O[3][f],a,b,c);0<=d&&(e.O[3][f]=d,e.O[3][f&15]&=65295);break;case 4194112:switch(a&-2){case 4194174:d=J(this,e.tb,a,b,c);0<=d&&(e.tb=d);break;case 4194172:d=e.za;d&65280&&(d=(d<<8|d>>8)&65535);break;case 4194168:0>
b?d=this.c.Cc&65535:(d=J(this,this.c.data,a,b,c),0<=d&&(this.c.data=d));break;default:return e.s|=16,K(e,4)}break;case 4194048:f=this.g;switch(a&-2){case 4194048:d=J(this,f.bb,a,b,c);0<=d&&(f.bb=d);break;case 4194050:d=J(this,f.P,a,b,c);0<=d&&(f.P=d);break;case 4194052:d=J(this,f.D,a,b,c);0<=b&&0<=d&&(f.D=d&-36993|f.D&36992,f.D&1&&gb(this));break;case 4194054:d=J(this,f.cb,a,b,c);0<=d&&(f.cb=d);break;case 4194056:d=J(this,f.ab,a,b,c);0<=d&&(f.ab=d);break;case 4194058:d=J(this,f.X,a,b,c);0<=d&&(f.X=
d);break;case 4194060:break;case 4194062:d=J(this,f.Tb,a,b,c);0<=d&&(f.Tb=d);break;default:return e.s|=16,K(e,4)}break;case 4193728:var g=this.j;f=g.ba&7;switch(a&-2){case 4193728:d=J(this,g.F,a,b,c);0<=b&&0<=d&&(g.Ba=g.Ba&60|d>>8&3,g.F=d&17279|g.F&34944|2048,d&1&&g.F&128?kb(this,f):192==(d&192)&&I(e,0,5,172));break;case 4193730:d=J(this,g.Ra,a,b,c);0<=d&&(g.Ra=d);break;case 4193732:d=J(this,g.Pa,a,b,c);0<=d&&(g.Pa=d&65534);break;case 4193734:d=J(this,g.ca[f],a,b,c);0<=d&&(g.ca[f]=d&7967);break;case 4193736:d=
J(this,g.ba,a,b,c);0<=d&&(g.ba=d&63|g.ba&65472,d&128&&jb(this));break;case 4193738:d=g.V[f];break;case 4193740:d=g.Qa[f];break;case 4193742:d=J(this,g.Na,a,b,c);0<=d&&(g.Na=d&255);break;case 4193744:d=g.zc[f];break;case 4193746:d=J(this,g.Ub,a,b,c);0<=d&&(g.Ub=d);break;case 4193748:d=J(this,g.Vb[f],a,b,c);0<=d&&(g.Vb[f]=d&1023);break;case 4193750:d=8210;break;case 4193752:d=g.Ac[f];break;case 4193754:d=J(this,g.Wb[f],a,b,c);0<=d&&(g.Wb[f]=d);break;case 4193756:d=J(this,g.ma[f],a,b,c);0<=d&&(g.ma[f]=
d&511);break;case 4193758:g.ub[f]=g.ma[f];d=g.ub[f];break;case 4193760:d=g.xc[f];break;case 4193762:d=g.yc[f];break;case 4193764:d=g.vc[f];break;case 4193766:d=g.wc[f];break;case 4193768:d=J(this,g.Ba,a,b,c);0<=d&&(g.Ba=d&63,g.F=g.F&-769|(d&3)<<8);break;case 4193770:d=J(this,g.Gb,a,b,c);0<=d&&(g.Gb=d);break;default:return e.s|=16,K(e,4)}break;case 4192512:f=this.h;switch(a&-2){case 4192512:d=J(this,f.u,a,b,c);0<=b&&0<=d&&(f.ra=f.ra&60|d>>4&3,f.u=f.u&-1023|d&1022,f.u&128||ib(this));break;case 4192514:d=
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