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compat hacks for this old version of fceu
[fceu.git]
/
sound.c
diff --git
a/sound.c
b/sound.c
index
f6e6a34
..
70ce2d4
100644
(file)
--- a/
sound.c
+++ b/
sound.c
@@
-40,6
+40,7
@@
#include "sound.h"
uint32 Wave[2048+512];
#include "sound.h"
uint32 Wave[2048+512];
+int32 WaveHi[40000]; // unused
int16 WaveFinalMono[2048+512];
EXPSOUND GameExpSound={0,0,0,0,0,0};
int16 WaveFinalMono[2048+512];
EXPSOUND GameExpSound={0,0,0,0,0,0};
@@
-877,6
+878,8
@@
static int32 flt_acc=0, flt_acc2=0;
static void FilterSound(uint32 *in, int16 *outMono, int count)
{
// static int min=0, max=0;
static void FilterSound(uint32 *in, int16 *outMono, int count)
{
// static int min=0, max=0;
+ int sh=2;
+ if (soundvol < 5) sh += 5 - soundvol;
for(;count;count--,in++,outMono++)
{
for(;count;count--,in++,outMono++)
{
@@
-888,7
+891,7
@@
static void FilterSound(uint32 *in, int16 *outMono, int count)
flt_acc2+= (int32) (((int64)((diff-flt_acc2)*lowp))>>16);
*in=0;
flt_acc2+= (int32) (((int64)((diff-flt_acc2)*lowp))>>16);
*in=0;
- *outMono = flt_acc2*7 >>
2; //
* 1.75
+ *outMono = flt_acc2*7 >>
sh; // * 7 >> 2 =
* 1.75
// if (acc2 < min) { printf("min: %i %04x\n", acc2, acc2); min = acc2; }
// if (acc2 > max) { printf("max: %i %04x\n", acc2, acc2); max = acc2; }
}
// if (acc2 < min) { printf("min: %i %04x\n", acc2, acc2); min = acc2; }
// if (acc2 > max) { printf("max: %i %04x\n", acc2, acc2); max = acc2; }
}