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scsp: add DSP and MIDI bits

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This commit is contained in:
Zack Buhman 2023-07-19 03:11:51 +00:00
parent 569f058682
commit 80ee1a4706
1 changed files with 21 additions and 0 deletions
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21
scsp.h
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@ -281,6 +281,27 @@ enum scsp_bits {
#define MIXER__MVOL(n) ((n) << 0) #define MIXER__MVOL(n) ((n) << 0)
}; };
enum dsp_bits {
DSP__RBL__8K = (0b00 << 7),
DSP__RBL__16K = (0b01 << 7),
DSP__RBL__32K = (0b10 << 7),
DSP__RBL__64K = (0b11 << 7),
#define DSP__RBP(n) (((n) >> 12) & 0x7f)
};
enum midiu_bits {
MIDIU__MOFULL = (1 << 12), // (R)
MIDIU__MOEMP = (1 << 11), // (R)
MIDIU__MIOVF = (1 << 10), // (R)
MIDIU__MIFULL = (1 << 9), // (R)
MIDIU__MIEMP = (1 << 8), // (R)
#define MIDIU__MIBUF(i) (((i) >> 0) & 0xff) // getter macro
};
// enum midil_bits {
#define MIDIL__MOBUF(o) (((o) & 0xff) << 0) // setter macro
//};
//enum status_bits { //enum status_bits {
#define STATUS__MSLC(n) (((n) & 31) << 11) #define STATUS__MSLC(n) (((n) & 31) << 11)
#define STATUS__CA(reg) (((reg) >> 7) & 15) #define STATUS__CA(reg) (((reg) >> 7) & 15)