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GBA: fix Sprite Viewer vertical mirror on sprites without matrix transform#188

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SourMesen merged 2 commits into
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CharlesVanEeckhout:gba-spriteview-vflip
Jun 23, 2026
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GBA: fix Sprite Viewer vertical mirror on sprites without matrix transform#188
SourMesen merged 2 commits into
nesdev-org:masterfrom
CharlesVanEeckhout:gba-spriteview-vflip

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@CharlesVanEeckhout

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The code for displaying sprites in the Sprite Viewer had applied the vertical mirroring twice in a row for displayed sprites without matrix transform.
This had the consequence of displaying all of those sprites as non-mirrored on that axis.

With this fix, vertical mirroring is only applied once, allowing vertically mirrored sprites to appear correctly.

@SourMesen SourMesen merged commit 1b2fb2a into nesdev-org:master Jun 23, 2026
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Thanks for the fix!

@CharlesVanEeckhout CharlesVanEeckhout deleted the gba-spriteview-vflip branch June 23, 2026 09:58
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2 participants