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Added PDP-10 SUB and MUL operations

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Jeff 2017-03-07 10:21:17 -08:00 • committed by Jeff Parsons
commit 0e18448423
4 changed files with 532 additions and 335 deletions
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15
modules/pdp10/lib/cpustate.js
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@ -163,7 +163,7 @@ class CPUStatePDP10 extends CPUPDP10 {
if (this.flags.running) this.stopCPU();
this.initCPU();
this.resetCycles();
this.clearError(); // clear any fatal error/exception that setError() may have flagged
this.clearError(); // clear any fatal error/exception that setError() may have flagged
super.reset();
}
@ -176,16 +176,9 @@ class CPUStatePDP10 extends CPUPDP10 {
{
this.regEA = this.regRA = this.regOP = 0;
this.regPC = this.lastPC = this.addrReset;
/*
* This next internal reg is used only with byte instructions, to record an active byte pointer.
*/
this.regBP = -1;
/*
* Assorted processor flags
*/
this.regPS = 0;
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 is queried and displayed by the Panel when it's not displaying its own ADDRESS register