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Compaq DeskPro 386 ROM BIOS boots UNMODIFIED now

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This commit is contained in:
Jeff Parsons 2015-04-16 17:31:40 -07:00 • committed by jeffpar
commit 1508cd1bf3
12 changed files with 298 additions and 207 deletions
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17
modules/pcjs/lib/x86ops.js
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@ -53,7 +53,8 @@ X86.opADDmb = function ADDmb()
* point you can also choose to halt if Messages.HALT is enabled).
*/
if (DEBUG && !b) {
this.printMessage("suspicious opcode: 0x00 0x00");
this.printMessage("suspicious opcode: 0x00 0x00", DEBUGGER || this.bitsMessage);
if (DEBUGGER) this.stopCPU();
}
this.aOpModMemByte[b].call(this, X86.fnADDb);
};
@ -2493,7 +2494,7 @@ X86.opLAHF = function LAHF()
*/
X86.opMOVALm = function MOVALm()
{
this.regEAX = (this.regEAX & ~0xff) | this.getSOByte(this.segData, this.getIPWord());
this.regEAX = (this.regEAX & ~0xff) | this.getSOByte(this.segData, this.getIPAddr());
if (BACKTRACK) this.backTrack.btiAL = this.backTrack.btiMemLo;
this.nStepCycles -= this.cycleCounts.nOpCyclesMovAM;
};
@ -2505,7 +2506,7 @@ X86.opMOVALm = function MOVALm()
*/
X86.opMOVAXm = function MOVAXm()
{
this.regEAX = (this.regEAX & ~this.dataMask) | this.getSOWord(this.segData, this.getIPWord());
this.regEAX = (this.regEAX & ~this.dataMask) | this.getSOWord(this.segData, this.getIPAddr());
if (BACKTRACK) {
this.backTrack.btiAL = this.backTrack.btiMemLo; this.backTrack.btiAH = this.backTrack.btiMemHi;
}
@ -2523,7 +2524,7 @@ X86.opMOVmAL = function MOVmAL()
/*
* setSOByte() truncates the value as appropriate
*/
this.setSOByte(this.segData, this.getIPWord(), this.regEAX);
this.setSOByte(this.segData, this.getIPAddr(), this.regEAX);
this.nStepCycles -= this.cycleCounts.nOpCyclesMovMA;
};
@ -2540,7 +2541,7 @@ X86.opMOVmAX = function MOVmAX()
/*
* setSOWord() truncates the value as appropriate
*/
this.setSOWord(this.segData, this.getIPWord(), this.regEAX);
this.setSOWord(this.segData, this.getIPAddr(), this.regEAX);
this.nStepCycles -= this.cycleCounts.nOpCyclesMovMA;
};
@ -3188,7 +3189,7 @@ X86.opGRP2wn = function GRP2wn()
*/
X86.opRETn = function RETn()
{
var n = this.getIPWord() << (this.dataSize >> 2);
var n = this.getIPShort() << (this.dataSize >> 2);
var newIP = this.popWord();
if (DEBUG) this.printMessage(" returning to " + str.toHex(this.segCS.sel, 4) + ':' + str.toHex(newIP, this.dataSize << 1), this.bitsMessage, true);
this.setIP(newIP);
@ -3285,7 +3286,7 @@ X86.opMOVw = function MOVw()
*/
X86.opENTER = function ENTER()
{
var wLocal = this.getIPWord();
var wLocal = this.getIPShort();
var bLevel = this.getIPByte() & 0x1f;
/*
* NOTE: 11 is the minimum cycle time for the 80286; the 80186/80188 has different cycle times: 15, 25 and
@ -3330,7 +3331,7 @@ X86.opLEAVE = function LEAVE()
*/
X86.opRETFn = function RETFn()
{
X86.fnRETF.call(this, this.getIPWord());
X86.fnRETF.call(this, this.getIPShort());
this.nStepCycles -= this.cycleCounts.nOpCyclesRetFn;
};