furnace/src/engine/platform/ym2610shared.h
2022-01-17 13:29:35 -05:00

30 lines
735 B
C

static unsigned short chanOffs[4]={
0x01, 0x02, 0x101, 0x102
};
static unsigned short opOffs[4]={
0x00, 0x04, 0x08, 0x0c
};
static bool isOutput[8][4]={
// 1 3 2 4
{false,false,false,true},
{false,false,false,true},
{false,false,false,true},
{false,false,false,true},
{false,false,true ,true},
{false,true ,true ,true},
{false,true ,true ,true},
{true ,true ,true ,true},
};
static unsigned char dtTable[8]={
7,6,5,0,1,2,3,0
};
static int orderedOps[4]={
0,2,1,3
};
#define rWrite(a,v) if (!skipRegisterWrites) {pendingWrites[a]=v;}
#define immWrite(a,v) if (!skipRegisterWrites) {writes.emplace(a,v); if (dumpWrites) {addWrite(a,v);} }
#define FM_FREQ_BASE 622.0f
#define PSG_FREQ_BASE 7640.0f