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i'll finish this later

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tildearrow 2022-03-06 18:10:12 -05:00
parent 1bfca78df1
commit 2f9d1e8c0f
2 changed files with 30 additions and 3 deletions
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26
src/engine/platform/opl.cpp
View file

@ -30,7 +30,6 @@
// N = invalid
#define N 255
/*
const unsigned char slotsOPL2[4][20]={
{0, 1, 2, 6, 7, 8, 12, 13, 14}, // OP1
{3, 4, 5, 9, 10, 11, 15, 16, 17}, // OP2
@ -45,6 +44,10 @@ const unsigned char slotsOPL2Drums[4][20]={
{N, N, N, N, N, N, N, N, N, N, N}
};
const unsigned char chanMapOPL2[20]={
0, 1, 2, 3, 4, 5, 6, 7, 8, N, N, N, N, N, N, N, N, N, N, N
};
const unsigned char slotsOPL3[4][20]={
{0, 6, 1, 7, 2, 8, 18, 24, 19, 25, 20, 26, 30, 31, 32, 12, 13, 14}, // OP1
{3, 9, 4, 10, 5, 11, 21, 27, 22, 28, 23, 29, 33, 34, 35, 15, 16, 17}, // OP2
@ -58,7 +61,10 @@ const unsigned char slotsOPL3Drums[4][20]={
{6, N, 7, N, 8, N, 24, N, 25, N, 26, N, N, N, N, N, N, N, N, N}, // OP3
{9, N, 10, N, 11, N, 27, N, 28, N, 29, N, N, N, N, N, N, N, N, N} // OP4
};
*/
const unsigned char chanMapOPL3[20]={
0, 3, 1, 4, 2, 5, 9, 12, 10, 13, 11, 14, 15, 16, 17, 6, 7, 8, N, N
};
#undef N
@ -773,6 +779,22 @@ void DivPlatformOPL::setYMFM(bool use) {
useYMFM=use;
}
void DivPlatformOPL::setOPLType(int type) {
switch (type) {
case 1: case 2:
slotsNonDrums=(const unsigned char**)slotsOPL2;
slotsDrums=(const unsigned char**)slotsOPL2Drums;
chanMap=chanMapOPL2;
break;
case 3:
slotsNonDrums=(const unsigned char**)slotsOPL3;
slotsDrums=(const unsigned char**)slotsOPL3Drums;
chanMap=chanMapOPL3;
break;
}
oplType=type;
}
void DivPlatformOPL::setFlags(unsigned int flags) {
/*
if (flags==3) {

7
src/engine/platform/opl.h
View file

@ -64,7 +64,11 @@ class DivPlatformOPL: public DivDispatch {
};
std::queue<QueuedWrite> writes;
opl3_chip fm;
int delay;
const unsigned char** slotsNonDrums;
const unsigned char** slotsDrums;
const unsigned char** slots;
const unsigned char* chanMap;
int delay, oplType;
unsigned char lastBusy;
unsigned char regPool[512];
@ -103,6 +107,7 @@ class DivPlatformOPL: public DivDispatch {
void muteChannel(int ch, bool mute);
bool isStereo();
void setYMFM(bool use);
void setOPLType(int type);
bool keyOffAffectsArp(int ch);
bool keyOffAffectsPorta(int ch);
void toggleRegisterDump(bool enable);