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Updated more PCx86 components to use the CPU's timer functions to do callbacks

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This commit is contained in:
Jeff Parsons 2017-08-05 11:01:28 -07:00 • committed by Jeff Parsons
commit f71b4d648c
14 changed files with 3136 additions and 3184 deletions
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12
modules/pcx86/lib/video.js
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@ -2177,7 +2177,7 @@ class Video extends Component {
* the port level, and whenever reset() is called. setMode() also invokes updateScreen(true),
* which forces reallocation of our internal buffer (aCellCache) that mirrors the video buffer.
*
* The CPU periodically calls updateVideo(), which in turn calls updateScreen() for each Video
* Our initBus() handler defines a timer that periodically calls updateScreen() for each Video
* instance. These updates should occur at a rate of 60 times/second, to update any blinking
* elements (the cursor and any cells with the blink attribute), to compare/update the contents
* of our internal buffer with the video buffer, and to render any differences between the two
@ -2506,6 +2506,8 @@ class Video extends Component {
video.println(sProgress, Component.TYPE.PROGRESS);
});
}
this.cpu.addTimer(function() { video.updateScreen(); }, 1000 / Video.UPDATES_PER_SECOND);
}
/**
@ -3958,7 +3960,7 @@ class Video extends Component {
this.cBlinks = 0;
/*
* At this point, we can either fire up our own timer (doBlink), or rely on updateScreen()
* being called by the CPU at regular bursts (eg, CPU.VIDEO_UPDATES_PER_SECOND = 60) and advance
* being called by the CPU at regular bursts (eg, Video.UPDATES_PER_SECOND = 60) and advance
* cBlinks at the start of updateScreen() accordingly.
*
* doBlink() wants to increment cBlinks every 266ms. On the other hand, if updateScreen() is being
@ -4969,7 +4971,7 @@ class Video extends Component {
}
else {
/*
* This should never happen, but since updateScreen() is also called by CPU.updateVideo(),
* This should never happen, but since updateScreen() is also called by Computer.updateStatus(),
* better safe than sorry.
*/
if (this.aCellCache === undefined) return;
@ -4977,7 +4979,7 @@ class Video extends Component {
/*
* If cBlinks is "enabled" (ie, >= 0), then advance it once every 16 updateScreen() calls
* (assuming an updateScreen() frequency of 60 per second; see CPU.VIDEO_UPDATES_PER_SECOND).
* (assuming an updateScreen() frequency of 60 per second; see Video.UPDATES_PER_SECOND).
*
* We assume that the CPU is calling us whenever fForce is undefined.
*/
@ -6973,6 +6975,8 @@ Video.MODE = {
UNKNOWN: 0xFF
};
Video.UPDATES_PER_SECOND = 60;
/*
* Supported Fonts
*