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PDP-11 console (TTY) input/output working now

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This commit is contained in:
Jeff 2016-10-05 13:46:44 -07:00 • committed by Jeff Parsons
commit 8532b011f8
1 changed files with 18 additions and 12 deletions
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30
modules/pdp11/lib/serialport.js
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@ -262,9 +262,14 @@ SerialPortPDP11.prototype.initBus = function(cmp, bus, cpu, dbg)
var serial = this; var serial = this;
this.timerReceiveData = this.cpu.addTimer(function() { this.timerReceiveData = this.cpu.addTimer(function() {
serial.rcsr |= PDP11.DL11.RCSR.RD; if (!(serial.rcsr & PDP11.DL11.RCSR.RD)) {
if (serial.rcsr & PDP11.DL11.RCSR.RIE) { if (serial.abReceive.length) {
serial.cpu.interrupt(PDP11.DL11.DELAY, PDP11.DL11.PRI, PDP11.DL11.RVEC); serial.rbuf = serial.abReceive.shift();
serial.rcsr |= PDP11.DL11.RCSR.RD;
if (serial.rcsr & PDP11.DL11.RCSR.RIE) {
serial.cpu.interrupt(PDP11.DL11.DELAY, PDP11.DL11.PRI, PDP11.DL11.RVEC);
}
}
} }
}); });
@ -419,9 +424,10 @@ SerialPortPDP11.prototype.restore = function(data)
*/ */
SerialPortPDP11.prototype.initState = function(data) SerialPortPDP11.prototype.initState = function(data)
{ {
this.rbuf = []; this.rbuf = 0;
this.rcsr = 0; this.rcsr = 0;
this.xcsr = PDP11.DL11.XCSR.READY; this.xcsr = PDP11.DL11.XCSR.READY;
this.abReceive = [];
return true; return true;
}; };
@ -460,10 +466,14 @@ SerialPortPDP11.prototype.receiveData = function(data)
else { else {
this.abReceive = this.abReceive.concat(data); this.abReceive = this.abReceive.concat(data);
} }
// this.advanceRBR(); this.cpu.setTimer(this.timerReceiveData, 50);
return true; // for now, return true regardless, since we're buffering everything anyway return true; // for now, return true regardless, since we're buffering everything anyway
}; };
SerialPortPDP11.prototype.advanceRBUF = function()
{
};
/** /**
* transmitByte(b) * transmitByte(b)
* *
@ -557,15 +567,11 @@ SerialPortPDP11.prototype.writeRCSR = function(data, addr)
*/ */
SerialPortPDP11.prototype.readRBUF = function(addr) SerialPortPDP11.prototype.readRBUF = function(addr)
{ {
var result = 0;
this.rcsr &= ~PDP11.DL11.RCSR.RD; this.rcsr &= ~PDP11.DL11.RCSR.RD;
if (this.rbuf.length > 0) { if (this.abReceive.length > 0) {
result = this.rbuf.shift(); this.cpu.setTimer(this.timerReceiveData, 50);
if (this.rbuf.length > 0) {
this.cpu.setTimer(this.timerReceiveData, 50);
}
} }
return result; return this.rbuf;
}; };
/** /**