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ppu background rendering is working as intended

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Lauchmelder 2022-03-06 15:41:46 +01:00
parent ca3eac8393
commit 6fe829d66c
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GPG key ID: C2403C69D78F011D
1 changed files with 7 additions and 7 deletions
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14
src/PPU.cpp
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@ -404,6 +404,13 @@ void PPU::PerformRenderAction()
loTile.Lo = patternTableLo; loTile.Lo = patternTableLo;
hiTile.Lo = patternTableHi; hiTile.Lo = patternTableHi;
Byte attributeHalfNybble = attributeTableByte;
attributeHalfNybble >>= (((current.CoarseX >> 1) % 2) ? 2 : 0);
attributeHalfNybble >>= (((current.CoarseY >> 1) % 2) ? 4 : 0);
loAttribute.Lo = ((attributeHalfNybble & 1) ? 0xFF : 0x00);
hiAttribute.Lo = ((attributeHalfNybble & 2) ? 0xFF : 0x00);
current.CoarseX++; current.CoarseX++;
if (x == 256) if (x == 256)
{ {
@ -426,13 +433,6 @@ void PPU::PerformRenderAction()
} }
} }
Byte attributeHalfNybble = attributeTableByte;
attributeHalfNybble >>= ((current.CoarseX % 2) ? 2 : 0);
attributeHalfNybble >>= ((current.CoarseY % 2) ? 0 : 4);
loAttribute.Lo = ((attributeHalfNybble & 1) ? 0xFF : 0x00);
hiAttribute.Lo = ((attributeHalfNybble & 2) ? 0xFF : 0x00);
fetchPhase = FetchingPhase::NametableByte; fetchPhase = FetchingPhase::NametableByte;
break; break;
} }