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Fixed a couple of PDP-10 opcode emulation bugs (AOBJN, AOBJP, and CMP), and rounded out the set of DEC's basic instruction diagnostics

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Jeff 2017-03-27 11:44:42 -07:00 • committed by Jeff Parsons
commit 2a8c2a74d2
21 changed files with 29570 additions and 84 deletions
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6
modules/pdp10/lib/cpuops.js
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@ -2160,7 +2160,7 @@ PDP10.opBLT = function(op, acc)
*/
PDP10.opAOBJP = function(op, acc)
{
var dst = (this.readWord(acc) + 0o000001000001) % PDP10.WORD_MASK;
var dst = (this.readWord(acc) + 0o000001000001) % PDP10.WORD_LIMIT;
this.writeWord(acc, dst);
if (dst < PDP10.INT_LIMIT) this.setPC(this.regEA);
};
@ -2184,7 +2184,7 @@ PDP10.opAOBJP = function(op, acc)
*/
PDP10.opAOBJN = function(op, acc)
{
var dst = (this.readWord(acc) + 0o000001000001) % PDP10.WORD_MASK;
var dst = (this.readWord(acc) + 0o000001000001) % PDP10.WORD_LIMIT;
this.writeWord(acc, dst);
if (dst >= PDP10.INT_LIMIT) this.setPC(this.regEA);
};
@ -6500,7 +6500,7 @@ PDP10.CLR = function(dst, src)
*/
PDP10.CMP = function(dst, src)
{
return (dst < PDP10.INT_LIMIT? dst : dst - PDP10.WORD_LIMIT) - (src < PDP10.INT_LIMIT? src : src - PDP10.INT_LIMIT);
return (dst < PDP10.INT_LIMIT? dst : dst - PDP10.WORD_LIMIT) - (src < PDP10.INT_LIMIT? src : src - PDP10.WORD_LIMIT);
};
/**