a_dinosaur/ZSNES
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Code update

Browse Source
This commit is contained in:
pagefault
2001-09-06 14:52:49 +00:00
parent 49af9ba4ca
commit 4584390e1f
2 changed files with 10 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
zsnes/src/zip/fir_proc.cpp
View File

@@ -238,6 +238,11 @@ float coef( int _PCnr, float _POfs, float _PCut, int _PWidth, int _PType ) //flo
CzWINDOWEDFIR sfir;
extern "C" signed short *fir_lut = &CzWINDOWEDFIR::lut[0];
#if 0
// fir interpolation
#define WFIR_FRACSHIFT (16-(WFIR_FRACBITS+1+WFIR_LOG2WIDTH))
#define WFIR_FRACMASK ((((1L<<(17-WFIR_FRACSHIFT))-1)&~((1L<<WFIR_LOG2WIDTH)-1)))
@@ -261,15 +266,13 @@ inline int __fir_interpolate(unsigned int nPos, int *p)
return vol;
}
extern "C" {
signed short *fir_lut = &CzWINDOWEDFIR::lut[0];
int fir_interpolate(unsigned int nPos, int *p)
{
return __fir_interpolate(nPos, p);
}
extern "C" int fir_interpolate(unsigned int nPos, int *p)
{
return __fir_interpolate(nPos, p);
}
#endif
#define WFIR_CUTOFFSHIFT (32-(WFIR_CUTOFFBITS+WFIR_LOG2WIDTH))
#define WFIR_CUTOFFMASK ((((1L<<(32-WFIR_CUTOFFSHIFT))-1)&~((1L<<WFIR_LOG2WIDTH)-1)))
#define WFIR_CUTOFFHALVE (1L<<(32-(WFIR_CUTOFFBITS+1)))