Fix wrong tile choice in mosaic mode.

This commit is contained in:
Brandon Wright 2018-06-16 15:23:27 -05:00
parent f10e8d1114
commit 5fd4265440
1 changed files with 7 additions and 7 deletions

14
gfx.cpp
View File

@ -1351,8 +1351,8 @@ static void DrawBackgroundMosaic (int bg, uint8 Zh, uint8 Zl)
for (uint32 Y = GFX.StartY - MosaicStart; Y <= GFX.EndY; Y += PPU.Mosaic)
{
uint32 Y2 = HiresInterlace ? Y * 2 : Y;
uint32 VOffset = LineData[Y].BG[bg].VOffset + (HiresInterlace ? 1 : 0);
uint32 HOffset = LineData[Y].BG[bg].HOffset;
uint32 VOffset = LineData[Y + MosaicStart].BG[bg].VOffset + (HiresInterlace ? 1 : 0);
uint32 HOffset = LineData[Y + MosaicStart].BG[bg].HOffset;
Lines = PPU.Mosaic - MosaicStart;
if (Y + MosaicStart + Lines > GFX.EndY)
@ -1759,8 +1759,8 @@ static void DrawBackgroundOffsetMosaic (int bg, uint8 Zh, uint8 Zl, int VOffOff)
for (uint32 Y = GFX.StartY - MosaicStart; Y <= GFX.EndY; Y += PPU.Mosaic)
{
uint32 Y2 = HiresInterlace ? Y * 2 : Y;
uint32 VOff = LineData[Y].BG[2].VOffset - 1;
uint32 HOff = LineData[Y].BG[2].HOffset;
uint32 VOff = LineData[Y + MosaicStart].BG[2].VOffset - 1;
uint32 HOff = LineData[Y + MosaicStart].BG[2].HOffset;
Lines = PPU.Mosaic - MosaicStart;
if (Y + MosaicStart + Lines > GFX.EndY)
@ -1789,7 +1789,7 @@ static void DrawBackgroundOffsetMosaic (int bg, uint8 Zh, uint8 Zl, int VOffOff)
uint32 Left = GFX.Clip[bg].Left[clip];
uint32 Right = GFX.Clip[bg].Right[clip];
uint32 Offset = Left * PixWidth + (Y + MosaicStart) * GFX.PPL;
uint32 HScroll = LineData[Y].BG[bg].HOffset;
uint32 HScroll = LineData[Y + MosaicStart].BG[bg].HOffset;
uint32 Width = Right - Left;
while (Left < Right)
@ -1799,7 +1799,7 @@ static void DrawBackgroundOffsetMosaic (int bg, uint8 Zh, uint8 Zl, int VOffOff)
if (Left < (8 - (HScroll & 7)))
{
// SNES cannot do OPT for leftmost tile column
VOffset = LineData[Y].BG[bg].VOffset;
VOffset = LineData[Y + MosaicStart].BG[bg].VOffset;
HOffset = HScroll;
}
else
@ -1840,7 +1840,7 @@ static void DrawBackgroundOffsetMosaic (int bg, uint8 Zh, uint8 Zl, int VOffOff)
if (VCellOffset & OffsetEnableMask)
VOffset = VCellOffset + 1;
else
VOffset = LineData[Y].BG[bg].VOffset;
VOffset = LineData[Y + MosaicStart].BG[bg].VOffset;
if (HCellOffset & OffsetEnableMask)
HOffset = (HCellOffset & ~7) | (HScroll & 7);