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Half-Pixel shift fixed for good !

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This commit is contained in:
mpohoreski 2011-01-09 00:40:21 +00:00
parent a723f64a70
commit 4f81d728ec
1 changed files with 18 additions and 11 deletions
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29
AppleWin/source/Video.cpp
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@ -1546,18 +1546,25 @@ void CreateColorLookup_MonoHiResHalfPixel_Real ()
// Fixup missing pixels that have been scan-line shifted over by Apple "half-pixel"
if( hibit )
{
if ( aPixels[2] )
/* Test Cases
// Games
Archon Logo
Gumball (at Machine)
// Applesoft
HGR:HCOLOR=5:HPLOT 0,0 TO 279,0
C050 C052 C057
// Blue
2000:D0 80 00
// Orange
2800:80 D0 00
*/
if ( aPixels[1] ) // preceeding pixel on?
{
if ( aPixels[1] ) // prev pixel on for first 7 pixels ?
{
SETSOURCEPIXEL(SRCOFFS_HIRES+offset+x ,y ,iMono); // first 7 HGR_BLUE
SETSOURCEPIXEL(SRCOFFS_HIRES+offset+x ,y+1,iMono); // first 7
}
if ( aPixels[1] ) // prev pixel on for second 7 pixels ?
{
SETSOURCEPIXEL(SRCOFFS_HIRES+offset+x+16,y ,iMono); // last 7 HGR_RED
SETSOURCEPIXEL(SRCOFFS_HIRES+offset+x+16,y+1,iMono); // last 7
}
SETSOURCEPIXEL(SRCOFFS_HIRES+offset+x ,y ,iMono); // first 7 HGR_BLUE
SETSOURCEPIXEL(SRCOFFS_HIRES+offset+x ,y+1,iMono); // first 7
SETSOURCEPIXEL(SRCOFFS_HIRES+offset+x+16,y ,iMono); // second 7 HGR_RED
SETSOURCEPIXEL(SRCOFFS_HIRES+offset+x+16,y+1,iMono); // second 7
}
}