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Support for (future) Control Panel animation

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This commit is contained in:
Jeff Parsons 2015-01-23 14:43:32 -08:00 • committed by jeffpar
commit 2e729f9179
19 changed files with 329 additions and 196 deletions
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46
modules/pcjs/lib/cpu.js
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@ -177,17 +177,9 @@ CPU.prototype.initBus = function(cmp, bus, cpu, dbg)
this.cmp = cmp;
/*
* Attach the Video component to the CPU, so that the CPU can periodically update
* the video display via displayVideo(), as cycles permit.
* the video display via updateVideo(), as cycles permit.
*/
var video = cmp.getComponentByType("Video");
if (video) {
this.displayVideo = function onDisplayVideo() {
video.updateScreen();
};
this.setFocus = function onSetFocus() {
video.setFocus();
};
}
this.video = cmp.getComponentByType("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.
@ -453,37 +445,41 @@ CPU.prototype.displayReg = function(sReg, nVal, cch)
};
/**
* displayStatus()
* updateStatus(fForce)
*
* This is implemented by the X86CPU component, which subclasses us.
* This provides periodic Control Panel updates (eg, a few times per second; see STATUS_UPDATES_PER_SECOND).
* The X86CPU subclasses updateStatus() to take care of any DOM updates (eg, register values) while the CPU is running.
*
* @this {CPU}
* @param {boolean} [fForce]
*/
CPU.prototype.displayStatus = function(fForce)
CPU.prototype.updateStatus = function(fForce)
{
if (this.cmp && this.cmp.panel) this.cmp.panel.updateStatus();
};
/**
* displayVideo()
* updateVideo()
*
* This is implemented by the Video component (installed when initBus() is called).
* Any high-frequency updates should be performed here. Avoid DOM updates, since updateVideo() can be called up to
* 60 times per second (see VIDEO_UPDATES_PER_SECOND).
*
* @this {CPU}
*/
CPU.prototype.displayVideo = function()
CPU.prototype.updateVideo = function()
{
if (this.video) this.video.updateScreen();
if (this.cmp && this.cmp.panel) this.cmp.panel.updateAnimation();
};
/**
* setFocus()
*
* This is implemented by the Video component (installed when initBus() is called).
*
* @this {CPU}
*/
CPU.prototype.setFocus = function()
{
if (this.video) this.video.setFocus();
};
/**
@ -605,8 +601,8 @@ CPU.prototype.addCycles = function(nCycles, fEndStep)
* to the time we expected the virtual hardware to take (eg, 1000ms/50 or 20ms), and if we still have time
* remaining, we sleep the remaining time (or 0ms if there's no remaining time), and then restart runCPU().
*
* Similarly, whenever the "next video update" cycle counter goes to (or below) zero, we call displayVideo(),
* and whenever the "next status update" cycle counter goes to (or below) zero, we call displayStatus().
* Similarly, whenever the "next video update" cycle counter goes to (or below) zero, we call updateVideo(),
* and whenever the "next status update" cycle counter goes to (or below) zero, we call updateStatus().
*
* @this {CPU}
* @param {boolean} [fRecalc] is true if the caller wants to recalculate thresholds based on the most recent
@ -996,13 +992,13 @@ CPU.prototype.runCPU = function(fOnClick)
this.aCounts.nCyclesNextVideoUpdate -= nCycles;
if (this.aCounts.nCyclesNextVideoUpdate <= 0) {
this.aCounts.nCyclesNextVideoUpdate += this.aCounts.nCyclesPerVideoUpdate;
this.displayVideo();
this.updateVideo();
}
this.aCounts.nCyclesNextStatusUpdate -= nCycles;
if (this.aCounts.nCyclesNextStatusUpdate <= 0) {
this.aCounts.nCyclesNextStatusUpdate += this.aCounts.nCyclesPerStatusUpdate;
this.displayStatus();
this.updateStatus();
}
this.aCounts.nCyclesNextYield -= nCycles;
@ -1046,7 +1042,7 @@ CPU.prototype.startCPU = function(fSetFocus)
if (this.chipset) this.chipset.setSpeaker();
var controlRun = this.bindings["run"];
if (controlRun) controlRun.textContent = "Halt";
this.displayStatus(true);
this.updateStatus(true);
if (fSetFocus) this.setFocus();
}
};
@ -1104,8 +1100,8 @@ CPU.prototype.stopCPU = function(fComplete)
*/
CPU.prototype.updateCPU = function()
{
this.displayVideo();
this.displayStatus();
this.updateVideo();
this.updateStatus();
};
/**