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Factored common RETF logic into opHelpRETF

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This commit is contained in:
Jeff Parsons 2014-12-01 14:50:38 -08:00 • committed by jeffpar
commit d628eacfc6
5 changed files with 72 additions and 37 deletions
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13
modules/pcjs/lib/x86opxx.js
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@ -1971,7 +1971,7 @@ var X86OpXX = {
* op=0x9A (call seg:off)
*/
opCALLF: function() {
X86Help.opHelpCallF.call(this, this.getIPWord(), this.getIPWord());
X86Help.opHelpCALLF.call(this, this.getIPWord(), this.getIPWord());
this.nStepCycles -= this.CYCLES.nOpCyclesCallF;
},
/**
@ -2784,14 +2784,7 @@ var X86OpXX = {
* op=0xCA (retf n)
*/
opRETFn: function() {
var n = this.getIPWord();
var regIP = this.popWord();
var regCS = this.popWord();
this.regSP = (this.regSP + n) & 0xffff;
if (this.setCSIP(regIP, regCS, false)) {
this.regSP = (this.regSP + n) & 0xffff;
}
if (this.cIntReturn) this.checkIntReturn(this.regEIP);
X86Help.opHelpRETF.call(this, this.getIPWord());
this.nStepCycles -= this.CYCLES.nOpCyclesRetFn;
},
/**
@ -2800,7 +2793,7 @@ var X86OpXX = {
* op=0xCB (retf)
*/
opRETF: function() {
this.setCSIP(this.popWord(), this.popWord(), false);
X86Help.opHelpRETF.call(this, 0);
this.nStepCycles -= this.CYCLES.nOpCyclesRetF;
},
/**