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Cleaned up IRQ handling, added support for DL11 overrun errors, and fixed buffered message output (although a better solution is needed longer term)

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This commit is contained in:
Jeff Parsons 2016-11-26 11:38:03 -08:00 • committed by Jeff Parsons
commit 47a65f043f
13 changed files with 651 additions and 591 deletions
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10
modules/pdp11/lib/pc11.js
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@ -280,9 +280,9 @@ PC11.prototype.initBus = function(cmp, bus, cpu, dbg)
}
}
this.triggerReaderInterrupt = this.cpu.addTrigger(PDP11.PC11.RVEC, PDP11.PC11.PRI, MessagesPDP11.PC11);
this.irqReader = this.cpu.addIRQ(PDP11.PC11.RVEC, PDP11.PC11.PRI, MessagesPDP11.PC11);
this.timerReaderAdvance = this.cpu.addTimer(function readyReader() {
this.timerReader = this.cpu.addTimer(function readyReader() {
pc11.advanceReader();
});
@ -820,7 +820,7 @@ PC11.prototype.advanceReader = function()
this.prs |= PDP11.PC11.PRS.DONE;
this.prs &= ~PDP11.PC11.PRS.BUSY;
if (this.prs & PDP11.PC11.PRS.RIE) {
this.cpu.setTrigger(this.triggerReaderInterrupt);
this.cpu.setIRQ(this.irqReader);
}
}
}
@ -864,7 +864,7 @@ PC11.prototype.writePRS = function(data, addr)
if (this.prs & PDP11.PC11.PRS.ERROR) {
data &= ~PDP11.PC11.PRS.RE;
if (this.prs & PDP11.PC11.PRS.RIE) {
this.cpu.setTrigger(this.triggerReaderInterrupt);
this.cpu.setIRQ(this.irqReader);
}
} else {
this.prs &= ~PDP11.PC11.PRS.DONE;
@ -875,7 +875,7 @@ PC11.prototype.writePRS = function(data, addr)
* that's the rate we'll choose as well (ie, 1000ms / 300). As an aside, the original "low speed"
* version of the reader ran at 10 CPS.
*/
this.cpu.setTimer(this.timerReaderAdvance, this.getBaudTimeout(this.nBaudReceive));
this.cpu.setTimer(this.timerReader, this.getBaudTimeout(this.nBaudReceive));
}
}
this.prs = (this.prs & ~PDP11.PC11.PRS.WMASK) | (data & PDP11.PC11.PRS.WMASK);