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pagefault
2001-09-06 14:52:49 +00:00
parent 49af9ba4ca
commit 4584390e1f
2 changed files with 10 additions and 8 deletions
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1
zsnes/src/cpu/dspproc.asm
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@@ -3512,7 +3512,6 @@ WaveIndex times 8 dd 0
; add eax,edx ; ; add eax,edx ;
;%%DontFilter1 ; ;%%DontFilter1 ;
EXTSYM fir_interpolate
EXTSYM fir_lut EXTSYM fir_lut
section .data section .data

13
zsnes/src/zip/fir_proc.cpp
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@@ -238,6 +238,11 @@ float coef( int _PCnr, float _POfs, float _PCut, int _PWidth, int _PType ) //flo
CzWINDOWEDFIR sfir; CzWINDOWEDFIR sfir;
extern "C" signed short *fir_lut = &CzWINDOWEDFIR::lut[0];
#if 0
// fir interpolation // fir interpolation
#define WFIR_FRACSHIFT (16-(WFIR_FRACBITS+1+WFIR_LOG2WIDTH)) #define WFIR_FRACSHIFT (16-(WFIR_FRACBITS+1+WFIR_LOG2WIDTH))
#define WFIR_FRACMASK ((((1L<<(17-WFIR_FRACSHIFT))-1)&~((1L<<WFIR_LOG2WIDTH)-1))) #define WFIR_FRACMASK ((((1L<<(17-WFIR_FRACSHIFT))-1)&~((1L<<WFIR_LOG2WIDTH)-1)))
@@ -261,14 +266,12 @@ inline int __fir_interpolate(unsigned int nPos, int *p)
return vol; return vol;
} }
extern "C" { extern "C" int fir_interpolate(unsigned int nPos, int *p)
signed short *fir_lut = &CzWINDOWEDFIR::lut[0];
int fir_interpolate(unsigned int nPos, int *p)
{ {
return __fir_interpolate(nPos, p); return __fir_interpolate(nPos, p);
} }
}
#endif
#define WFIR_CUTOFFSHIFT (32-(WFIR_CUTOFFBITS+WFIR_LOG2WIDTH)) #define WFIR_CUTOFFSHIFT (32-(WFIR_CUTOFFBITS+WFIR_LOG2WIDTH))
#define WFIR_CUTOFFMASK ((((1L<<(32-WFIR_CUTOFFSHIFT))-1)&~((1L<<WFIR_LOG2WIDTH)-1))) #define WFIR_CUTOFFMASK ((((1L<<(32-WFIR_CUTOFFSHIFT))-1)&~((1L<<WFIR_LOG2WIDTH)-1)))