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Clean-up notes about HGR half-pixel torture tests

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This commit is contained in:
mpohoreski 2011-02-18 07:30:51 +00:00
parent 01ea20e069
commit c0593ff09b
1 changed files with 6 additions and 5 deletions
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11
AppleWin/source/Video.cpp
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@ -1717,7 +1717,7 @@ Legend:
2828:80 FF 80 FF
Edge Case for Half Luminance !
2000:C4 00 // Green HalfLumBlue
2400:c4 80 // Green Green
2400:C4 80 // Green Green
*/
// Fixup missing pixels that normally have been scan-line shifted -- Apple "half-pixel" -- but cross 14-pixel boundaries.
@ -1753,7 +1753,7 @@ Legend:
// -> 2400:00 BB F7 // Should not have blue in-between gap )
// 21D0:C0 00 -> HalfLumBlue
// 25D0:C0 D0 88 -> Blue black orange black orange
// 29D0:C0 90 08 -> Blue black orange
// 29D0:C0 90 88 -> Blue black orange
// Game: Ultima 4 -- Ultima 4 Logo - bottom half of screen has a "mini-game" / demo -- far right has tree and blue border
// 2176:2A AB green black_gap white blue_border // Should have black gap between green and white
else if ( aPixels[0] ) // prev prev pixel on
@ -1761,15 +1761,16 @@ Legend:
// Game: Gumball
// 218E:AA 97 => 2000: A9 87 orange_white // Should have no gap between orange and white
// 229A:AB A9 87 -> 2000: 00 A9 87 white orange black blue_white // Should have no gap between blue and white
// Torture HGR Test:
// Torture Half-Pixel HGR Tests: This is a real bitch to solve -- we really need to check:
// if (hibit_prev_byte && !aPixels[iPixel-3] && aPixels[iPixel-2] && !aPixels[iPixel] && hibit_this_byte) then set first half-pixel of this byte to either blue or orange
// 2000:A9 87 halfblack blue black black orange black orange black
// 2400:BB F7 halfblack white white black white white white halfblack
if ( aPixels[2] && !aPixels[3] ) // "text optimized" IF this pixel on, and adjacent right pixel off, then colorize first half-pixel of this byte
{
SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+0 ,y , HGR_BLUE );
SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+0 ,y+1, HGR_BLUE );
SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+16 ,y , HGR_RED );
SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+16 ,y+1, HGR_RED );
SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+16,y , HGR_RED );
SETSOURCEPIXEL(SRCOFFS_HIRES+offsetx+x+16,y+1, HGR_RED );
}
}
#endif