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More PC8080 structural fixes

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This commit is contained in:
Jeff Parsons 2016-04-20 13:37:37 -07:00
commit 8971097b3b
9 changed files with 83 additions and 49 deletions
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37
modules/pc8080/lib/cpusim.js
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@ -882,7 +882,7 @@ CPUSim.prototype.updateINTR = function(fRaise)
};
/**
* updateReg(sReg, nValue)
* updateReg(sReg, nValue, cch)
*
* This function helps updateStatus() by massaging the register names and values according to
* CPU type before passing the call to displayValue(); in the "old days", updateStatus() called
@ -891,24 +891,11 @@ CPUSim.prototype.updateINTR = function(fRaise)
* @this {CPUSim}
* @param {string} sReg
* @param {number} nValue
* @param {number} [cch] (default is 2 hex digits)
*/
CPUSim.prototype.updateReg = function(sReg, nValue)
CPUSim.prototype.updateReg = function(sReg, nValue, cch)
{
var cch = 4;
if (sReg.length == 1) {
cch = 1;
nValue = nValue? 1 : 0;
}
if (this.model < 80386) {
if (sReg.length > 2) {
sReg = sReg.substr(1, 2);
}
} else {
if (sReg == "PS" || sReg.length > 2) {
cch = 8;
}
}
this.displayValue(sReg, nValue, cch);
this.displayValue(sReg, nValue, cch || 2);
};
/**
@ -934,15 +921,15 @@ CPUSim.prototype.updateStatus = function(fForce)
this.updateReg("E", this.regE);
this.updateReg("H", this.regH);
this.updateReg("L", this.regL);
this.updateReg("SP", this.getSP());
this.updateReg("PC", this.getPC());
this.updateReg("SP", this.getSP(), 4);
this.updateReg("PC", this.getPC(), 4);
var regPS = this.getPS();
this.updateReg("PS", regPS);
this.updateReg("S", (regPS & CPUDef.PS.SF));
this.updateReg("Z", (regPS & CPUDef.PS.ZF));
this.updateReg("A", (regPS & CPUDef.PS.AF));
this.updateReg("P", (regPS & CPUDef.PS.PF));
this.updateReg("C", (regPS & CPUDef.PS.CF));
this.updateReg("PS", regPS, 2);
this.updateReg("S", (regPS & CPUDef.PS.SF), 1);
this.updateReg("Z", (regPS & CPUDef.PS.ZF), 1);
this.updateReg("A", (regPS & CPUDef.PS.AF), 1);
this.updateReg("P", (regPS & CPUDef.PS.PF), 1);
this.updateReg("C", (regPS & CPUDef.PS.CF), 1);
}
}
var controlSpeed = this.bindings["speed"];