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memory composition, part 3

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tildearrow 2024-03-05 18:55:18 -05:00
parent a200d464a6
commit 92ec6f6651
36 changed files with 190 additions and 9 deletions
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15
src/engine/platform/amiga.cpp
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@ -922,11 +922,22 @@ bool DivPlatformAmiga::isSampleLoaded(int index, int sample) {
return sampleLoaded[sample];
}
const DivMemoryComposition* DivPlatformAmiga::getMemCompo(int index) {
if (index!=0) return NULL;
return &memCompo;
}
void DivPlatformAmiga::renderSamples(int sysID) {
memset(sampleMem,0,2097152);
memset(sampleOff,0,256*sizeof(unsigned int));
memset(sampleLoaded,0,256*sizeof(bool));
memCompo=DivMemoryComposition();
memCompo.name="Chip Memory";
memCompo.entries.push_back(DivMemoryEntry(DIV_MEMORY_WAVE_RAM,"Wave RAM",-1,0,1024));
memCompo.entries.push_back(DivMemoryEntry(DIV_MEMORY_RESERVED,"End of Sample",-1,1024,1026));
// first 1024 bytes reserved for wavetable
// the next 2 bytes are reserved for end of sample
size_t memPos=1026;
@ -947,6 +958,7 @@ void DivPlatformAmiga::renderSamples(int sysID) {
if (actualLength>0) {
sampleOff[i]=memPos;
memcpy(&sampleMem[memPos],s->data8,actualLength);
memCompo.entries.push_back(DivMemoryEntry(DIV_MEMORY_SAMPLE,"Sample",i,memPos,memPos+actualLength));
memPos+=actualLength;
}
// align memPos to short
@ -954,6 +966,9 @@ void DivPlatformAmiga::renderSamples(int sysID) {
sampleLoaded[i]=true;
}
sampleMemLen=memPos;
memCompo.capacity=1<<chipMem;
memCompo.used=sampleMemLen;
}
int DivPlatformAmiga::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {