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

spu-fix 8bit data to be signed

This commit is contained in:
zeromus 2012-06-25 20:23:53 +00:00
parent ffd4c5fb81
commit a2e9667964
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
desmume/src/SPU.cpp
View File

@ -44,6 +44,7 @@
static inline s16 read16(u32 addr) { return (s16)_MMU_read16<ARMCPU_ARM7,MMU_AT_DEBUG>(addr); }
static inline u8 read08(u32 addr) { return _MMU_read08<ARMCPU_ARM7,MMU_AT_DEBUG>(addr); }
static inline s8 read_s8(u32 addr) { return (s8)_MMU_read08<ARMCPU_ARM7,MMU_AT_DEBUG>(addr); }
#define K_ADPCM_LOOPING_RECOVERY_INDEX 99999
#define COSINE_INTERPOLATION_RESOLUTION 8192
@ -833,15 +834,15 @@ template<SPUInterpolationMode INTERPOLATE_MODE> static FORCEINLINE void Fetch8Bi
u32 loc = sputrunc(chan->sampcnt);
if(INTERPOLATE_MODE != SPUInterpolation_None)
{
s32 a = (s32)(read08(chan->addr + loc) << 8);
s32 a = (s32)(read_s8(chan->addr + loc) << 8);
if(loc < (chan->totlength << 2) - 1) {
s32 b = (s32)(read08(chan->addr + loc + 1) << 8);
s32 b = (s32)(read_s8(chan->addr + loc + 1) << 8);
a = Interpolate<INTERPOLATE_MODE>(a, b, chan->sampcnt);
}
*data = a;
}
else
*data = (s32)read08(chan->addr + loc)<< 8;
*data = (s32)read_s8(chan->addr + loc)<< 8;
}
template<SPUInterpolationMode INTERPOLATE_MODE> static FORCEINLINE void Fetch16BitData(const channel_struct * const chan, s32 *data)