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Fix reversing 1bpp images

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Fixes #2075
This commit is contained in:
Rangi
2026-09-12 14:17:33 -04:00
parent 8a7019e1f8
commit e9c800b3be
4 changed files with 3 additions and 1 deletions
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src/gfx/reverse.cpp
+1 -1
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@@ -569,7 +569,7 @@ void reverse() {
// If vertically mirrored, fetch the bytes from the other end // If vertically mirrored, fetch the bytes from the other end
uint8_t realY = (attribute & 0x40 ? 7 - y : y) * options.bitDepth; uint8_t realY = (attribute & 0x40 ? 7 - y : y) * options.bitDepth;
uint8_t bitplane0 = tileData[realY]; uint8_t bitplane0 = tileData[realY];
uint8_t bitplane1 = options.bitDepth == 2 ? tileData[realY + 1] : bitplane0; uint8_t bitplane1 = options.bitDepth == 2 ? tileData[realY + 1] : 0;
if (attribute & 0x20) { // Handle horizontal flip if (attribute & 0x20) { // Handle horizontal flip
bitplane0 = flipTable[bitplane0]; bitplane0 = flipTable[bitplane0];
bitplane1 = flipTable[bitplane1]; bitplane1 = flipTable[bitplane1];
test/gfx/reverse_1bit_palette.1bpp
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@@ -0,0 +1 @@

test/gfx/reverse_1bit_palette.flags
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@@ -0,0 +1 @@
-p reverse_1bit_palette.pal
test/gfx/reverse_1bit_palette.pal
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