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neo geo: found the problem

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tildearrow 2021-12-10 15:16:58 -05:00
parent 8c13774c21
commit a95ee7b7ba
1 changed files with 4 additions and 6 deletions
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10
src/engine/engine.cpp
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@ -851,11 +851,9 @@ static double samplePitches[11]={
void DivEngine::renderSamples() { void DivEngine::renderSamples() {
if (jediTable==NULL) { if (jediTable==NULL) {
int step=0;
int nib=0;
jediTable=new int[16*49]; jediTable=new int[16*49];
for (step=0; step<49; step++) { for (int step=0; step<49; step++) {
for (nib=0; nib<16; nib++) { for (int nib=0; nib<16; nib++) {
int value=(2*(nib&0x07)+1)*adSteps[step]/8; int value=(2*(nib&0x07)+1)*adSteps[step]/8;
jediTable[step*16+nib]=((nib&0x08)!=0)?-value:value; jediTable[step*16+nib]=((nib&0x08)!=0)?-value:value;
} }
@ -932,12 +930,12 @@ void DivEngine::renderSamples() {
acc+=jediTable[decstep+encoded]; acc+=jediTable[decstep+encoded];
acc&=0xfff; acc&=0xfff;
if (acc&0x800) acc|=~0xfff; if (acc&0x800) acc|=~0xfff;
decstep+=adSteps[encoded&7]*16; decstep+=adStepSeek[encoded&7]*16;
if (decstep<0) decstep=0; if (decstep<0) decstep=0;
if (decstep>48*16) decstep=48*16; if (decstep>48*16) decstep=48*16;
predsample=(short)acc; predsample=(short)acc;
index+= adStepSeek[encoded]; index+=adStepSeek[encoded];
if (index<0) index=0; if (index<0) index=0;
if (index>48) index=48; if (index>48) index=48;