Retro/pcjs
Watch
1
0
Fork
You've already forked pcjs
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Well, apparently the PDP-10 MUL instruction really DOES store the high-order word first, and it only stores the low-order word if the destination is an accumulator (weird)

Browse source
This commit is contained in:
Jeff 2017-03-07 14:09:24 -08:00 • committed by Jeff Parsons
commit 65eb821710
6 changed files with 118 additions and 46 deletions
Download patch file Download diff file Expand all files Collapse all files

2
versions/pdpjs/1.34.2/pdp10.js
View file

@ -100,7 +100,7 @@ function uc(a,b){var c=this.c(this.b),d=c;if(a&=384)switch(d-=d&I,a){case 256:d+
function zc(a,b){var c=this.c(this.b)&I,d=this.c(b);this.f(b,Ac(a,d,c)+c)}function Bc(a,b){var c=this.c(b);this.f(b,Ac(a,c,this.b)+this.b)}function Cc(a,b){b=this.c(b)&I;var c=this.c(this.b);this.f(this.b,Ac(a,c,b)+b)}function Dc(a,b){var c=this.c(this.b),d=c;if(a&=384)switch(d&=I,a){case 256:d+=I*J;break;case 384:d+=c>Za?I*J:0}c=d;this.f(this.b,c);b&&this.f(b,c)}function Ec(a,b){var c=this.c(this.b)/J|0,d=this.c(b);this.f(b,Ac(a,d,c)+c)}function Fc(a,b){var c=this.c(b);this.f(b,Ac(a,c,0))}
function Gc(a,b){b=this.c(b)/J|0;var c=this.c(this.b);this.f(this.b,Ac(a,c,b)+b)}function Hc(a,b){var c=this.c(this.b),d=c/J|0,c=Ac(a,c,d)+d;this.f(this.b,c);b&&this.f(b,c)}function X(a){Ic[a&7].call(this,a,a>>3&127)}function Jc(){}function U(a){this.M("undefined opcode: "+la(a));gc(this);R(this)}function Kc(a){a>O&&(a!=$a?a=ab-a:this.g|=163840);return a}function Lc(a,b){var c=(a+b)%N;Mc.call(this,a,b,c);return c}function Y(a,b){return((a/P|0)&(b/P|0))*P+((a&b)>>>0)}
function Nc(a,b){return((a/P|0)^(b/P|0))*P+((a^b)>>>0)}function Oc(a,b){return(~((a/P|0)^(b/P|0))&15)*P+(~(a^b)>>>0)}function Z(a,b){return(a/P|0|b/P|0)*P+((a|b)>>>0)}
function Pc(a,b){var c=b;b=!1;var d;a>O&&(a=N-a,b=!b);c>O&&(c=N-c,b=!b);if(a<J&&c<J)d=a*c,a=0;else{d=a%J;var e=Math.trunc(a/J);a=c%J;var c=Math.trunc(c/J),f=d*a,g=e*a+Math.trunc(f/J);a=Math.trunc(g/J);g=g%J+d*c;d=g*J+f%J;a+=Math.trunc(g/J)+e*c}b&&(d?(a=M-a,d=N-d):a&&(a=N-a));b=a-a%L;a=2*a%N+Math.trunc(d/L);d=b+d%L;e=a-a%L;b!=e&&(a=b+(a-e),this.g|=131072);this.ta=a;return d}function Qc(a){a?a==$a?this.g|=163840:a=ab-a:this.g|=98304;return a}
function Pc(a,b){var c=b;b=!1;var d;a>O&&(a=N-a,b=!b);c>O&&(c=N-c,b=!b);if(a<J&&c<J)d=a*c,a=0;else{d=a%J;var e=Math.trunc(a/J);a=c%J;var c=Math.trunc(c/J),f=d*a,g=e*a+Math.trunc(f/J);a=Math.trunc(g/J);g=g%J+d*c;d=g*J+f%J;a+=Math.trunc(g/J)+e*c}b&&(d?(a=M-a,d=N-d):a&&(a=N-a));b=a-a%L;a=2*a%N+Math.trunc(d/L);d=b+d%L;e=a-a%L;b!=e&&(a=b+(a-e),this.g|=131072);this.ta=d;return a}function Qc(a){a?a==$a?this.g|=163840:a=ab-a:this.g|=98304;return a}
function Rc(a,b){var c=a-b;0>c&&(c+=N);Mc.call(this,c,b,a);return c}function Mc(a,b,c){a=Math.trunc(a/bb);b=Math.trunc(b/bb);c=Math.trunc(c/bb);var d=a^(a^b)&(b^c);this.g=this.g|(d&2?65536:0)|(d&1?32768:0)|((a^c)&(b^c)&2?131072:0)}function Ac(a,b,c){switch(a&384){case 0:b-=b&I;break;case 128:b=0;break;case 256:b=I*J;break;case 384:b=c>Za?I*J:0}return b}function W(a,b,c){switch(a&384){case 0:b&=I;break;case 128:b=0;break;case 256:b=I;break;case 384:b=c>O?I:0}return b}
var hc=[V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,V,U,U,U,U,U,U,U,U,U,U,U,U,U,U,U,U,U,U,U,U,U,U,U,U,function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},ic,function(a,b){0>this.o&&ic.call(this);jc.call(this,0,b)},jc,function(a,b){0>this.o&&ic.call(this);kc.call(this,0,b)},kc,function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},
function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},function(a){this.a(a)},