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Fixed bug in writeDstWord() that was updating flags with negative data (and sadly, none of DEC's basic tests caught it)

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This commit is contained in:
Jeff 2016-11-13 11:34:59 -08:00 • committed by Jeff Parsons
commit 17816f6fcc
8 changed files with 404 additions and 381 deletions
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16
modules/pdp11/lib/cpuops.js
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@ -831,7 +831,7 @@ PDP11.opBPL = function(opCode)
*/
PDP11.opBPT = function(opCode)
{
this.trap(PDP11.TRAP.BPT, 0, PDP11.REASON.TRAP);
this.trap(PDP11.TRAP.BPT, 0, PDP11.REASON.OPCODE);
this.nStepCycles -= (4 + 1);
};
@ -1105,7 +1105,7 @@ PDP11.opDIV = function(opCode)
*/
PDP11.opEMT = function(opCode)
{
this.trap(PDP11.TRAP.EMT, 0, PDP11.REASON.TRAP);
this.trap(PDP11.TRAP.EMT, 0, PDP11.REASON.OPCODE);
this.nStepCycles -= (22 + 3);
};
@ -1119,7 +1119,7 @@ PDP11.opHALT = function(opCode)
{
if (this.regPSW & PDP11.PSW.CMODE) {
this.regErr |= PDP11.CPUERR.BADHALT;
this.trap(PDP11.TRAP.BUS_ERROR, 0, PDP11.REASON.HALT);
this.trap(PDP11.TRAP.BUS, 0, PDP11.REASON.HALT);
} else {
if (this.panel) {
this.panel.setData(this.regsGen[0], true);
@ -1178,7 +1178,7 @@ PDP11.opINCB = function(opCode)
*/
PDP11.opIOT = function(opCode)
{
this.trap(PDP11.TRAP.IOT, 0, PDP11.REASON.TRAP);
this.trap(PDP11.TRAP.IOT, 0, PDP11.REASON.OPCODE);
this.nStepCycles -= (22 + 3);
};
@ -1298,7 +1298,7 @@ PDP11.opMFPT = function(opCode)
/*
* TODO: Review
*/
this.trap(PDP11.TRAP.RESERVED, 0, PDP11.REASON.TRAP);
this.trap(PDP11.TRAP.RESERVED, 0, PDP11.REASON.OPCODE);
};
PDP11.MOV_CYCLES = [
@ -1671,7 +1671,7 @@ PDP11.opSPL = function(opCode)
}
if (!(this.regPSW & PDP11.PSW.CMODE)) {
this.regPSW = (this.regPSW & ~(PDP11.PSW.UNUSED | PDP11.PSW.PRI)) | ((opCode & 0x7) << PDP11.PSW.SHIFT.PRI);
this.opFlags |= PDP11.OPFLAG.INTQ_CHK;
this.opFlags |= PDP11.OPFLAG.INTQ_DELAY;
}
this.nStepCycles -= (4 + 1);
};
@ -1720,7 +1720,7 @@ PDP11.opSXT = function(opCode)
*/
PDP11.opTRAP = function(opCode)
{
this.trap(PDP11.TRAP.TRAP, 0, PDP11.REASON.TRAP);
this.trap(PDP11.TRAP.TRAP, 0, PDP11.REASON.OPCODE);
this.nStepCycles -= (4 + 1);
};
@ -1830,7 +1830,7 @@ PDP11.opUndefined = function(opCode)
if (DEBUGGER && this.dbg) {
if (this.dbg.undefinedInstruction(opCode)) return;
}
this.trap(PDP11.TRAP.RESERVED, 0, PDP11.REASON.TRAP);
this.trap(PDP11.TRAP.RESERVED, 0, PDP11.REASON.OPCODE);
};
/**