diff options
| author | StapleButter <thetotalworm@gmail.com> | 2017-10-02 04:27:50 +0200 |
|---|---|---|
| committer | StapleButter <thetotalworm@gmail.com> | 2017-10-02 04:27:50 +0200 |
| commit | dbb174c5314b56669d1445dac61b8973aaaf00eb (patch) | |
| tree | e73e16854c88225ed2072404e16b959123ba5acf /src | |
| parent | d0770596ea1e05f5a5d051cc461a2305d0f458fc (diff) | |
implement 8bit reads to div/sqrt registers.
RaymanDS showed some interest for that, so there we go.
RaymanDS still fucks up.
RaymanDS is a pile of shit.
melonDS is bad at timings.
Diffstat (limited to 'src')
| -rw-r--r-- | src/NDS.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/NDS.cpp b/src/NDS.cpp index cd762d7..03832d6 100644 --- a/src/NDS.cpp +++ b/src/NDS.cpp @@ -1367,6 +1367,16 @@ void ARM7Write32(u32 addr, u32 val) +#define CASE_READ8_16BIT(addr, val) \ + case (addr): return (val) & 0xFF; \ + case (addr+1): return (val) >> 8; + +#define CASE_READ8_32BIT(addr, val) \ + case (addr): return (val) & 0xFF; \ + case (addr+1): return ((val) >> 8) & 0xFF; \ + case (addr+2): return ((val) >> 16) & 0xFF; \ + case (addr+3): return (val) >> 24; + u8 ARM9IORead8(u32 addr) { switch (addr) @@ -1400,6 +1410,21 @@ u8 ARM9IORead8(u32 addr) case 0x04000248: return GPU::VRAMCNT[7]; case 0x04000249: return GPU::VRAMCNT[8]; + CASE_READ8_16BIT(0x04000280, DivCnt) + CASE_READ8_32BIT(0x04000290, DivNumerator[0]) + CASE_READ8_32BIT(0x04000294, DivNumerator[1]) + CASE_READ8_32BIT(0x04000298, DivDenominator[0]) + CASE_READ8_32BIT(0x0400029C, DivDenominator[1]) + CASE_READ8_32BIT(0x040002A0, DivQuotient[0]) + CASE_READ8_32BIT(0x040002A4, DivQuotient[1]) + CASE_READ8_32BIT(0x040002A8, DivRemainder[0]) + CASE_READ8_32BIT(0x040002AC, DivRemainder[1]) + + CASE_READ8_16BIT(0x040002B0, SqrtCnt) + CASE_READ8_32BIT(0x040002B4, SqrtRes) + CASE_READ8_32BIT(0x040002B8, SqrtVal[0]) + CASE_READ8_32BIT(0x040002BC, SqrtVal[1]) + case 0x04000300: return PostFlag9; } |