Updated Computer constants

This commit is contained in:
Jeff Parsons 2016-01-16 14:37:39 -08:00
commit 5cb676e501
73 changed files with 139 additions and 80 deletions

View file

@ -1013,6 +1013,12 @@
<xsl:template match="computer[not(@ref)]">
<xsl:param name="machine" select="''"/>
<xsl:param name="machineState" select="''"/>
<xsl:variable name="autoPower">
<xsl:choose>
<xsl:when test="@autopower"><xsl:value-of select="@autopower"/></xsl:when>
<xsl:otherwise>true</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="busWidth">
<xsl:choose>
<xsl:when test="@buswidth"><xsl:value-of select="@buswidth"/></xsl:when>
@ -1035,7 +1041,7 @@
<xsl:call-template name="component">
<xsl:with-param name="machine" select="$machine"/>
<xsl:with-param name="class">computer</xsl:with-param>
<xsl:with-param name="parms">,busWidth:<xsl:value-of select="$busWidth"/>,resume:<xsl:value-of select="$resume"/>,state:'<xsl:value-of select="$state"/>'</xsl:with-param>
<xsl:with-param name="parms">,autoPower:<xsl:value-of select="$autoPower"/>,busWidth:<xsl:value-of select="$busWidth"/>,resume:<xsl:value-of select="$resume"/>,state:'<xsl:value-of select="$state"/>'</xsl:with-param>
</xsl:call-template>
</xsl:template>

View file

@ -65,10 +65,22 @@ documentation for the 80386 and 80486.
### Timing
Operands | **x** | **88** | **86** | **286** | **386** | **486**
---------- | :---: | :----: | :----: | :-----: | :-----: | :-----:
none | 0 | 8 | 8 | 3 | 4 | 3
Operands | **x** | **8088** | **8086** | **80286** | **80386** | **80486**
---------- | :---: | :------: | :------: | :-------: | :-------: | :-------:
none | 0 | 8 | 8 | 3 | 4 | 3
(x is the number of memory transfers)
---
Source: PC Magazine "Programmer's Technical Reference: The Processor and Coprocessor," by Robert L. Hummel.
---
### PCjs Code
{% highlight javascript linenos %}
{% include_relative pcjs/opAAA.js %}
{% endhighlight %}

View file

@ -0,0 +1,26 @@
/**
* op=0x37 (AAA)
*
* @this {X86CPU}
*/
X86.opAAA = function()
{
var CF, AF;
var AL = this.regEAX & 0xff;
var AH = (this.regEAX >> 8) & 0xff;
if ((AL & 0xf) > 9 || this.getAF()) {
AL += 6;
/*
* Simulate the fact that the 80286 and higher add 6 to AX rather than AL.
*/
if (this.model >= X86.MODEL_80286 && AL > 0xff) AH++;
AH++;
CF = AF = 1;
} else {
CF = AF = 0;
}
this.regEAX = (this.regEAX & ~0xffff) | (((AH << 8) | AL) & 0xff0f);
if (CF) this.setCF(); else this.clearCF();
if (AF) this.setAF(); else this.clearAF();
this.nStepCycles -= this.cycleCounts.nOpCyclesAAA;
};