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Added some prerequisites for dual display support

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This commit is contained in:
Jeff Parsons 2015-05-23 12:25:34 -07:00 • committed by jeffpar
commit f3b254ebcd
4 changed files with 102 additions and 46 deletions
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15
modules/pcjs/lib/cpu.js
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@ -133,6 +133,11 @@ function CPU(parmsCPU, nCyclesDefault)
this.aCounts.nCyclesChecksumInterval = parmsCPU["csInterval"];
this.aCounts.nCyclesChecksumStop = parmsCPU["csStop"];
/*
* Initially, no video devices are attached that require CPU-driven updates. initBus() will update this.
*/
this.aVideo = [];
var cpu = this;
this.onRunTimeout = function() { cpu.runCPU(); };
@ -181,7 +186,9 @@ CPU.prototype.initBus = function(cmp, bus, cpu, dbg)
* Attach the Video component to the CPU, so that the CPU can periodically update
* the video display via updateVideo(), as cycles permit.
*/
this.video = cmp.getComponentByType("Video");
for (var video = null; (video = cmp.getComponentByType("Video", video));) {
this.aVideo.push(video);
}
/*
* Attach the ChipSet component to the CPU, so that it can obtain the IDT vector number of
* pending hardware interrupts, in response to ChipSet's updateINTR() notifications.
@ -482,7 +489,9 @@ CPU.prototype.updateStatus = function(fForce)
*/
CPU.prototype.updateVideo = function()
{
if (this.video) this.video.updateScreen();
for (var i = 0; i < this.aVideo.length; i++) {
this.aVideo[i].updateScreen();
}
if (this.cmp && this.cmp.panel) this.cmp.panel.updateAnimation();
};
@ -493,7 +502,7 @@ CPU.prototype.updateVideo = function()
*/
CPU.prototype.setFocus = function()
{
if (this.video) this.video.setFocus();
if (this.aVideo.length) this.aVideo[0].setFocus();
};
/**