diff options
Diffstat (limited to 'src/GPU3D.cpp')
| -rw-r--r-- | src/GPU3D.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/GPU3D.cpp b/src/GPU3D.cpp index b98c4fc..fd1b98f 100644 --- a/src/GPU3D.cpp +++ b/src/GPU3D.cpp @@ -153,7 +153,8 @@ FIFO<CmdFIFOEntry>* CmdPIPE; u32 NumCommands, CurCommand, ParamCount, TotalParams; u32 DispCnt; -u32 AlphaRef; +u8 AlphaRefVal; +u8 AlphaRef; u16 ToonTable[32]; u16 EdgeTable[8]; @@ -1932,7 +1933,8 @@ void Write8(u32 addr, u8 val) switch (addr) { case 0x04000340: - AlphaRef = val & 0x1F; + AlphaRefVal = val & 0x1F; + AlphaRef = (DispCnt & (1<<2)) ? AlphaRefVal : 0; return; } @@ -1953,10 +1955,12 @@ void Write16(u32 addr, u16 val) DispCnt = (val & 0x4FFF) | (DispCnt & 0x3000); if (val & (1<<12)) DispCnt &= ~(1<<12); if (val & (1<<13)) DispCnt &= ~(1<<13); + AlphaRef = (DispCnt & (1<<2)) ? AlphaRefVal : 0; return; case 0x04000340: - AlphaRef = val & 0x1F; + AlphaRefVal = val & 0x1F; + AlphaRef = (DispCnt & (1<<2)) ? AlphaRefVal : 0; return; case 0x04000350: @@ -2014,10 +2018,12 @@ void Write32(u32 addr, u32 val) DispCnt = (val & 0x4FFF) | (DispCnt & 0x3000); if (val & (1<<12)) DispCnt &= ~(1<<12); if (val & (1<<13)) DispCnt &= ~(1<<13); + AlphaRef = (DispCnt & (1<<2)) ? AlphaRefVal : 0; return; case 0x04000340: - AlphaRef = val & 0x1F; + AlphaRefVal = val & 0x1F; + AlphaRef = (DispCnt & (1<<2)) ? AlphaRefVal : 0; return; case 0x04000350: |