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| author | aliaspider | 2014-10-30 01:09:02 +0100 |
|---|---|---|
| committer | aliaspider | 2014-10-30 01:09:02 +0100 |
| commit | 628df4d2923b5a42e0378c4ede89178f85e0e0c8 (patch) | |
| tree | 4e7d1af8dde4b3a7226461126048a443fa470db4 /source/tile.c | |
| parent | 804169dd621a3ad3eec1a32ce30350de667fee80 (diff) | |
| download | snes9x2005-628df4d2923b5a42e0378c4ede89178f85e0e0c8.tar.gz snes9x2005-628df4d2923b5a42e0378c4ede89178f85e0e0c8.tar.bz2 snes9x2005-628df4d2923b5a42e0378c4ede89178f85e0e0c8.zip | |
prevent a segfault.
Diffstat (limited to 'source/tile.c')
| -rw-r--r-- | source/tile.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/source/tile.c b/source/tile.c index 38ac831..2211421 100644 --- a/source/tile.c +++ b/source/tile.c @@ -467,6 +467,9 @@ static void WRITE_4PIXELS16_ADD(int32 Offset, uint8* Pixels, uint16* ScreenColors) { uint8 Pixel, N; + if (Offset < 0) + Offset = 0; + uint16* Screen = (uint16*) GFX.S + Offset; uint8* Depth = GFX.ZBuffer + Offset; uint8* SubDepth = GFX.SubZBuffer + Offset; @@ -496,6 +499,9 @@ static void WRITE_4PIXELS16_FLIPPED_ADD(int32 Offset, uint8* Pixels, uint16* ScreenColors) { uint8 Pixel, N; + if (Offset < 0) + Offset = 0; + uint16* Screen = (uint16*) GFX.S + Offset; uint8* Depth = GFX.ZBuffer + Offset; uint8* SubDepth = GFX.SubZBuffer + Offset; |