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More VGA-specific details

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This commit is contained in:
Jeff Parsons 2015-05-25 15:08:35 -07:00 • committed by jeffpar
commit cce8fa08e5
1 changed files with 7 additions and 0 deletions
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7
modules/pcjs/lib/video.js
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@ -1199,6 +1199,13 @@ Card.ATC = {
HORZPAN: {
INDX: 0x13 // HORZ PANNING
},
COLOR_SELECT: {
INDX: 0x14, // VGA ONLY: Color Select Register
S_COLOR_7: 0x08, // selects bit 7 of 8-bit color values sent to DAC (except 256-color modes)
S_COLOR_6: 0x04, // selects bit 6 of 8-bit color values sent to DAC (except 256-color modes)
S_COLOR_5: 0x02, // selects bit 5 of 8-bit color values sent to DAC
S_COLOR_4: 0x01 // selects bit 4 of 8-bit color values sent to DAC
},
TOTAL_REGS: 0x14
};