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Added a couple of doDIV() improvements

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Jeff 2017-03-08 14:41:55 -08:00 • committed by Jeff Parsons
commit b3982328ed
2 changed files with 44 additions and 28 deletions
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17
modules/pdp10/lib/cpustate.js
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@ -174,12 +174,17 @@ class CPUStatePDP10 extends CPUPDP10 {
*/
initCPU()
{
this.regEA = this.regRA = this.regOP = 0;
this.regPC = this.lastPC = this.addrReset;
this.regXC = -1; // if >= 0 this supersedes regPC (refers to an opcode from XCT)
this.regBP = -1; // active byte pointer (-1 if none)
this.regPS = 0; // assorted processor flags (see PSFLAG bit definitions)
this.regExt = 0; // internal "extension" register used for 72-bit calculations (eg, MUL)
this.regEA = this.regRA = this.regOP = 0;
this.regPC = this.lastPC = this.addrReset;
this.regXC = -1; // if >= 0 this supersedes regPC (refers to an opcode from XCT)
this.regBP = -1; // active byte pointer (-1 if none)
this.regPS = 0; // assorted processor flags (see PSFLAG bit definitions)
this.regExt = 0; // internal "extension" register used for 72-bit MUL and DIV calculations
this.regRes = [0, 0]; // four internal "double-length" registers used for 72-bit DIV calculations
this.regPow = [0, 0];
this.regDiv = [0, 0];
this.regRem = [0, 0];
/*
* This is queried and displayed by the Panel when it's not displaying its own ADDRESS register