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Minor VGA updates

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This commit is contained in:
Jeff Parsons 2015-05-29 08:03:54 -07:00
commit bcdeba9721
1 changed files with 5 additions and 0 deletions
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5
modules/pcjs/lib/video.js
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@ -5549,6 +5549,11 @@ Video.aEGAPortInput = {
0x3CF: Video.prototype.inGRCData // technically, only readable on a VGA, but I want the Debugger to be able to read this, too 0x3CF: Video.prototype.inGRCData // technically, only readable on a VGA, but I want the Debugger to be able to read this, too
}; };
/*
* WARNING: Unlike the EGA, a standard VGA does not support writes to 0x3C1, but it's easier for me to leave that
* ability in place, treating the VGA as a superset of the EGA as much as possible; will any code break because word
* I/O to port 0x3C0 actually works? Possibly, but highly unlikely.
*/
Video.aEGAPortOutput = { Video.aEGAPortOutput = {
0x3BA: Video.prototype.outFeat, 0x3BA: Video.prototype.outFeat,
0x3C0: Video.prototype.outATC, 0x3C0: Video.prototype.outATC,