diff options
| author | Arisotura <thetotalworm@gmail.com> | 2020-12-11 18:06:26 +0100 |
|---|---|---|
| committer | Arisotura <thetotalworm@gmail.com> | 2020-12-11 18:06:26 +0100 |
| commit | 49317e9165263ba01df5d875f07081786a51241e (patch) | |
| tree | 50b6eab4fcb378720858ce02253f5c5ef5b1e8ab /src | |
| parent | aac843c7deddae52ce46275f8c828bcac42b4693 (diff) | |
don't axe error bits when writing to IPCFIFOCNT. fixes #801
Diffstat (limited to 'src')
| -rw-r--r-- | src/NDS.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/NDS.cpp b/src/NDS.cpp index b8b83f7..8b49328 100644 --- a/src/NDS.cpp +++ b/src/NDS.cpp @@ -3245,7 +3245,7 @@ void ARM9IOWrite16(u32 addr, u16 val) SetIRQ(0, IRQ_IPCRecv); if (val & 0x4000) IPCFIFOCnt9 &= ~0x4000; - IPCFIFOCnt9 = val & 0x8404; + IPCFIFOCnt9 = (val & 0x8404) | (IPCFIFOCnt9 & 0x4000); return; case 0x04000188: @@ -3848,7 +3848,7 @@ void ARM7IOWrite16(u32 addr, u16 val) SetIRQ(1, IRQ_IPCRecv); if (val & 0x4000) IPCFIFOCnt7 &= ~0x4000; - IPCFIFOCnt7 = val & 0x8404; + IPCFIFOCnt7 = (val & 0x8404) | (IPCFIFOCnt7 & 0x4000); return; case 0x04000188: |