diff options
| author | StapleButter <thetotalworm@gmail.com> | 2018-12-21 17:53:48 +0100 |
|---|---|---|
| committer | StapleButter <thetotalworm@gmail.com> | 2018-12-21 17:53:48 +0100 |
| commit | 7a949ddd0e019147f7ea34b6dfca9ac0a9a4807e (patch) | |
| tree | 993f9c02babc8a5c834d324cd3943b8ed68afffa | |
| parent | 63ae6bf8fbd1e9d6c00ecdfc3680dece465e0c6c (diff) | |
2D: add support for 8bit reads to DISPCNT/BGCNT.
fixes #331
| -rw-r--r-- | src/GPU2D.cpp | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/GPU2D.cpp b/src/GPU2D.cpp index 92a535f..c8fdac5 100644 --- a/src/GPU2D.cpp +++ b/src/GPU2D.cpp @@ -220,6 +220,20 @@ u8 GPU2D::Read8(u32 addr) { switch (addr & 0x00000FFF) { + case 0x000: return DispCnt & 0xFF; + case 0x001: return (DispCnt >> 8) & 0xFF; + case 0x002: return (DispCnt >> 16) & 0xFF; + case 0x003: return DispCnt >> 24; + + case 0x008: return BGCnt[0] & 0xFF; + case 0x009: return BGCnt[0] >> 8; + case 0x00A: return BGCnt[1] & 0xFF; + case 0x00B: return BGCnt[1] >> 8; + case 0x00C: return BGCnt[2] & 0xFF; + case 0x00D: return BGCnt[2] >> 8; + case 0x00E: return BGCnt[3] & 0xFF; + case 0x00F: return BGCnt[3] >> 8; + case 0x048: return WinCnt[0]; case 0x049: return WinCnt[1]; case 0x04A: return WinCnt[2]; @@ -234,8 +248,8 @@ u16 GPU2D::Read16(u32 addr) { switch (addr & 0x00000FFF) { - case 0x000: return DispCnt&0xFFFF; - case 0x002: return DispCnt>>16; + case 0x000: return DispCnt & 0xFFFF; + case 0x002: return DispCnt >> 16; case 0x008: return BGCnt[0]; case 0x00A: return BGCnt[1]; |