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More protected-mode improvements

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This commit is contained in:
Jeff Parsons 2014-11-25 17:21:20 -08:00 • committed by jeffpar
commit 9523de773d
7 changed files with 197 additions and 115 deletions
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7
modules/pcjs/lib/chipset.js
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@ -2993,7 +2993,7 @@ ChipSet.prototype.outPICLo = function(iPIC, bOut, addrFrom)
} else {
if (DEBUG) {
this.messageDebugger("outPIC" + iPIC + "(" + str.toHexByte(pic.port) + "): unexpected EOI command, IRQ " + nIRQ + " not in service", Debugger.MESSAGE.PIC | Debugger.MESSAGE.WARN);
if (this.dbg && !SAMPLER) this.dbg.stopCPU();
if (this.dbg && !SAMPLER && MAXDEBUG) this.dbg.stopCPU();
}
}
/*
@ -4313,9 +4313,8 @@ ChipSet.prototype.set8042OutPort = function(b)
* notifyKbdData(fAvail)
*
* In the old days of PCjs, the Keyboard component would simply call setIRR() when it had some data for the
* keyboard controller. However, that was completely inappropriate. The sole responsibility of the Keyboard
* is to emulate an actual keyboard and notify us whenever it has some data; it has no business messing with
* IRQ lines.
* keyboard controller. However, the sole responsibility of the Keyboard is to emulate an actual keyboard and
* call notifyKbdData() whenever it has some data; it has no business messing with IRQ lines.
*
* If there's an 8042, we check (this.b8042CmdData & ChipSet.KBC.DATA.CMD.NO_CLOCK); if NO_CLOCK is clear,
* we can raise the IRQ immediately. Well, not quite immediately....