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Fixed XXDP disk boot (haven't tried any tests yet, but it's still good progress)

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This commit is contained in:
Jeff 2016-11-07 17:20:53 -08:00 • committed by Jeff Parsons
commit eb3b38a5ad
11 changed files with 163 additions and 125 deletions
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31
modules/pdp11/lib/cpuops.js
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@ -884,7 +884,7 @@ PDP11.opCLR = function(opCode)
*/
PDP11.opCLRB = function(opCode)
{
this.updateAllFlags(this.writeDstByte(opCode, 0));
this.updateAllFlags(this.writeDstByte(opCode, 0, PDP11.WRITE.BYTE));
this.nStepCycles -= (this.dstMode? (8 + 1) : (2 + 1) + (this.dstReg == 7? 2 : 0));
};
@ -1269,6 +1269,31 @@ PDP11.opMFPI = function(opCode)
this.nStepCycles -= (10 + 1);
};
/**
* opMFPT(opCode)
*
* 000007 MFPT - Move From Processor Type
*
* Loads R0 with a value indicating the processor type.
*
* R0 Hardware
* 1 PDP-11/44
* 3 PDP-11/24 (should be 2)
* 3 PDP-11/23
* 4 SBC-11/21
* 5 All J11 chips including 11/73, 11/83, 11/93
*
* @this {CPUStatePDP11}
* @param {number} opCode
*/
PDP11.opMFPT = function(opCode)
{
/*
* TODO: Review
*/
this.trap(PDP11.TRAP.RESERVED, PDP11.REASON.RESERVED);
};
PDP11.MOV_CYCLES = [
2 + 1, 8 + 1, 8 + 1, 11 + 2, 9 + 1, 12 + 2, 10 + 2, 13 + 3,
3 + 1, 8 + 1, 8 + 1, 11 + 2, 9 + 1, 12 + 2, 11 + 2, 14 + 3
@ -1301,7 +1326,7 @@ PDP11.opMOV = function(opCode)
PDP11.opMOVB = function(opCode)
{
var data = this.readSrcByte(opCode);
this.updateNZVFlags(this.writeDstByte(opCode, data, PDP11.WRITE.SIGNEXT) << 8);
this.updateNZVFlags(this.writeDstByte(opCode, data, PDP11.WRITE.SBYTE) << 8);
this.nStepCycles -= (this.dstMode? (8 + 1) + (this.srcReg && this.dstReg >= 6? 1 : 0) : (this.srcMode? (3 + 2) : (2 + 1)) + (this.dstReg == 7? 2 : 0));
};
@ -2270,7 +2295,7 @@ PDP11.aOp000X_1145 = [
PDP11.opIOT, // 0x0004 000004 11/20+ 9.3
PDP11.opRESET, // 0x0005 000005 11/20+ 20ms
PDP11.opRTT, // 0x0006 000006 11/45+
PDP11.opUndefined, // 0x0007
PDP11.opMFPT, // 0x0007 000007 TBD
PDP11.opUndefined, // 0x0008
PDP11.opUndefined, // 0x0009
PDP11.opUndefined, // 0x000A