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More 8080 opcodes

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This commit is contained in:
Jeff Parsons 2016-04-22 07:06:05 -07:00
commit 978d59efbf
7 changed files with 498 additions and 283 deletions
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8
modules/pcjs/lib/x86ops.js
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@ -561,10 +561,14 @@ X86.opDAA = function()
if ((AL & 0xf) > 9 || AF) {
AL += 0x6;
AF = X86.PS.AF;
} else {
AF = 0;
}
if (AL > 0x9f || CF) {
AL += 0x60;
CF = X86.PS.CF;
} else {
CF = 0;
}
var b = (AL & 0xff);
this.regEAX = (this.regEAX & ~0xff) | b;
@ -665,10 +669,14 @@ X86.opDAS = function()
if ((AL & 0xf) > 9 || AF) {
AL -= 0x6;
AF = X86.PS.AF;
} else {
AF = 0;
}
if (AL > 0x9f || CF) {
AL -= 0x60;
CF = X86.PS.CF;
} else {
CF = 0;
}
var b = (AL & 0xff);
this.regEAX = (this.regEAX & ~0xff) | b;