ShuriZma
/
snes9x
mirror of https://github.com/snes9xgit/snes9x.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Use older calculation for non-mosaic offset-per-tile mode.

This commit is contained in:
Brandon Wright 2018-05-28 13:09:25 -05:00
parent 09c4e97c32
commit 37be67d9ee
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
gfx.cpp
View File

@ -1505,6 +1505,7 @@ static void DrawBackgroundOffset (int bg, uint8 Zh, uint8 Zl, int VOffOff)
int OffsetMask = (BG.TileSizeH == 16) ? 0x3ff : 0x1ff;
int OffsetShift = (BG.TileSizeV == 16) ? 4 : 3;
int Offset2Mask = (BG.OffsetSizeH == 16) ? 0x3ff : 0x1ff;
int Offset2Shift = (BG.OffsetSizeV == 16) ? 4 : 3;
int OffsetEnableMask = 0x2000 << bg;
int PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
@ -1570,7 +1571,7 @@ static void DrawBackgroundOffset (int bg, uint8 Zh, uint8 Zl, int VOffOff)
}
else
{
int HOffTile = (((Left + (HScroll & 7)) - 8) + (HOff & ~7)) >> 3;
int HOffTile = ((HOff + Left - 1) & Offset2Mask) >> 3;
if (BG.OffsetSizeH == 8)
{