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Changed how DL11 transmitter interrupts are triggered on writes to the XCSR (to satisfy the TRAPS TEST)

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Jeff 2016-11-10 22:06:06 -08:00 • committed by Jeff Parsons
commit 03e4169df2
3 changed files with 78 additions and 78 deletions
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6
modules/pdp11/lib/serialport.js
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@ -655,10 +655,10 @@ SerialPortPDP11.prototype.readXCSR = function(addr)
SerialPortPDP11.prototype.writeXCSR = function(data, addr)
{
/*
* If the device is READY, and IE is transitioning on, then request an interrupt.
* If the device is READY, and TIE is being set, then request an interrupt.
*/
if ((this.xcsr & (PDP11.DL11.XCSR.READY | PDP11.DL11.XCSR.TIE)) == PDP11.DL11.XCSR.READY && (data & PDP11.DL11.XCSR.TIE)) {
this.cpu.setTimer(this.timerTransmitInterrupt, this.getBaudTimeout(this.nBaudTransmit));
if ((this.xcsr & PDP11.DL11.XCSR.READY) && (data & PDP11.DL11.XCSR.TIE)) {
this.cpu.setTrigger(this.triggerTransmitInterrupt);
}
this.xcsr = (this.xcsr & ~PDP11.DL11.XCSR.WMASK) | (data & PDP11.DL11.XCSR.WMASK);
};