ShuriZma
/
melonDS
mirror of https://github.com/melonDS-emu/melonDS.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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.
This commit is contained in:
StapleButter 2017-10-02 04:27:50 +02:00
parent d0770596ea
commit dbb174c531
1 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
src/NDS.cpp
View File

@ -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;
}