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Fix wrong noise sampling operation 

This really shouldn't have an effect on anything though...
This commit is contained in:
Natt Akuma 2022-03-09 18:06:07 +07:00
parent eb3a73c38b
commit 6bb9843fb9
1 changed files with 1 additions and 1 deletions
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2
src/engine/platform/vera.cpp
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@ -65,8 +65,8 @@ void DivPlatformVERA::acquire(short* bufL, short* bufR, size_t start, size_t len
// TODO this is a currently speculated noise generation
// as the hardware and sources for it are not out in the public
// and the official emulator just uses rand()
noiseState=(noiseState<<1)|(((noiseState>>1)^(noiseState>>2)^(noiseState>>4)^(noiseState>>15))&1);
noiseOut=((noiseOut<<1)|(noiseState&1))&63;
noiseState=(noiseState<<1)|(((noiseState>>1)^(noiseState>>2)^(noiseState>>4)^(noiseState>>15))&1);
for (int i=0; i<16; i++) {
unsigned freq=regPool[i*4+0] | (regPool[i*4+1] << 8);
unsigned old_accum=chan[i].accum;