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Use CPU timer functions (instead of browser timeout/interval functions) to control device interrupts/timeouts

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This commit is contained in:
Jeff 2016-09-26 20:34:31 -07:00 • committed by Jeff Parsons
commit b2294e2293
8 changed files with 332 additions and 321 deletions
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16
modules/pdp11/lib/device.js
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@ -76,8 +76,8 @@ function DevicePDP11(parmsDevice)
};
this.kw11 = {
init: 0,
csr: 0
csr: 0,
timer: -1 // initBus() will initialize this timer ID
};
this.rk11 = {
@ -190,6 +190,12 @@ DevicePDP11.prototype.initBus = function(cmp, bus, cpu, dbg)
this.bus = bus;
this.cpu = cpu;
this.dbg = dbg;
var device = this;
this.kw11.timer = this.cpu.addTimer(function() {
device.kw11_interrupt();
});
switch(this.sDeviceName) {
case DevicePDP11.UNIBUS_NAME:
default:
@ -225,10 +231,7 @@ DevicePDP11.prototype.writeLKS = function(data, addr)
{
this.kw11.lks = data;
if (data & PDP11.KW11.LKS.INT_ENABLE) {
if (!this.kw11.init) {
setInterval(this.kw11_interrupt.bind(this), 25);
this.kw11.init = 1;
}
this.cpu.setTimer(this.kw11.timer, 1000/60);
}
this.kw11.lks = data & ~PDP11.KW11.LKS.MONITOR;
};
@ -713,6 +716,7 @@ DevicePDP11.prototype.kw11_interrupt = function()
this.kw11.lks |= PDP11.KW11.LKS.MONITOR;
if (this.kw11.lks & PDP11.KW11.LKS.INT_ENABLE) {
this.cpu.interrupt(PDP11.KW11.DELAY, PDP11.KW11.PRI, PDP11.KW11.VEC);
this.cpu.setTimer(this.kw11.timer, 1000/60);
}
};