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C140: add bank types

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This commit is contained in:
tildearrow 2023-10-11 02:48:39 -05:00
parent b08f1e656f
commit 8235f6ee66
10 changed files with 107 additions and 9 deletions
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27
src/engine/platform/c140.cpp
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@ -271,6 +271,14 @@ void DivPlatformC140::tick(bool sysTick) {
}
}
} else {
switch (bankType) {
case 0:
bank=((bank&8)<<2)|(bank&7);
break;
case 1:
bank=((bank&0x18)<<1)|(bank&7);
break;
}
rWrite(0x04+(i<<4),bank);
}
rWrite(0x06+(i<<4),(start>>8)&0xff);
@ -548,7 +556,15 @@ const void* DivPlatformC140::getSampleMem(int index) {
}
size_t DivPlatformC140::getSampleMemCapacity(int index) {
return index == 0 ? (is219?524288:16777216) : 0;
if (index!=0) return 0;
if (is219) return 524288;
switch (bankType) {
case 0:
return 2097152;
case 1:
return 4194304;
}
return 16777216;
}
size_t DivPlatformC140::getSampleMemUsage(int index) {
@ -562,7 +578,7 @@ bool DivPlatformC140::isSampleLoaded(int index, int sample) {
}
void DivPlatformC140::renderSamples(int sysID) {
memset(sampleMem,0,getSampleMemCapacity());
memset(sampleMem,0,is219?524288:16777216);
memset(sampleOff,0,256*sizeof(unsigned int));
memset(sampleLoaded,0,256*sizeof(bool));
@ -701,6 +717,10 @@ void DivPlatformC140::setFlags(const DivConfig& flags) {
CHECK_CUSTOM_CLOCK;
rate=chipClock/192;
}
bankType=flags.getInt("bankType",0);
if (!is219) {
c140_bank_type(&c140,bankType);
}
for (int i=0; i<totalChans; i++) {
oscBuf[i]->rate=rate;
}
@ -710,12 +730,13 @@ int DivPlatformC140::init(DivEngine* p, int channels, int sugRate, const DivConf
parent=p;
dumpWrites=false;
skipRegisterWrites=false;
bankType=2;
for (int i=0; i<totalChans; i++) {
isMuted[i]=false;
oscBuf[i]=new DivDispatchOscBuffer;
}
sampleMem=new unsigned char[getSampleMemCapacity()];
sampleMem=new unsigned char[is219?524288:16777216];
sampleMemLen=0;
if (is219) {
c219_init(&c219);