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#ifndef ULTRA64_ABI_H
#define ULTRA64_ABI_H
/* Audio commands: */
#define A_SPNOOP 0
#define A_ADPCM 1
#define A_CLEARBUFF 2
#define A_UNK3 3
#define A_ADDMIXER 4
#define A_RESAMPLE 5
#define A_RESAMPLE_ZOH 6
#define A_FILTER 7
#define A_SETBUFF 8
// #define A_DUPLICATE 9
#define A_DMEMMOVE 10
#define A_LOADADPCM 11
#define A_MIXER 12
#define A_INTERLEAVE 13
// #define A_HILOGAIN 14
#define A_SETLOOP 15
#define A_INTERL 17
#define A_ENVSETUP1 18
#define A_ENVMIXER 19
#define A_LOADBUFF 20
#define A_SAVEBUFF 21
#define A_ENVSETUP2 22
#define A_S8DEC 23
#define A_HILOGAIN 24
#define A_UNK19 25
#define A_DUPLICATE 26
#define ACMD_SIZE 32
/*
* Audio flags
*/
#define A_INIT 0x01
#define A_CONTINUE 0x00
#define A_LOOP 0x02
#define A_OUT 0x02
#define A_LEFT 0x02
#define A_RIGHT 0x00
#define A_VOL 0x04
#define A_RATE 0x00
#define A_AUX 0x08
#define A_NOAUX 0x00
#define A_MAIN 0x00
#define A_MIX 0x10
/*
* Data Structures.
*/
typedef struct {
u32 cmd : 8;
u32 flags : 8;
u32 gain : 16;
u32 addr;
} Aadpcm;
typedef struct {
u32 cmd : 8;
u32 flags : 8;
u32 gain : 16;
u32 addr;
} Apolef;
typedef struct {
u32 cmd : 8;
u32 flags : 8;
u32 pad1 : 16;
u32 addr;
} Aenvelope;
typedef struct {
u32 cmd : 8;
u32 pad1 : 8;
u32 dmem : 16;
u32 pad2 : 16;
u32 count : 16;
} Aclearbuff;
typedef struct {
u32 cmd : 8;
u32 pad1 : 8;
u32 pad2 : 16;
u32 inL : 16;
u32 inR : 16;
} Ainterleave;
typedef struct {
u32 cmd : 8;
u32 pad1 : 24;
u32 addr;
} Aloadbuff;
typedef struct {
u32 cmd : 8;
u32 flags : 8;
u32 pad1 : 16;
u32 addr;
} Aenvmixer;
typedef struct {
u32 cmd : 8;
u32 flags : 8;
u32 gain : 16;
u32 dmemi : 16;
u32 dmemo : 16;
} Amixer;
typedef struct {
u32 cmd : 8;
u32 flags : 8;
u32 dmem2 : 16;
u32 addr;
} Apan;
typedef struct {
u32 cmd : 8;
u32 flags : 8;
u32 pitch : 16;
u32 addr;
} Aresample;
typedef struct {
u32 cmd : 8;
u32 flags : 8;
u32 pad1 : 16;
u32 addr;
} Areverb;
typedef struct {
u32 cmd : 8;
u32 pad1 : 24;
u32 addr;
} Asavebuff;
typedef struct {
u32 cmd : 8;
u32 pad1 : 24;
u32 pad2 : 2;
u32 number : 4;
u32 base : 24;
} Asegment;
typedef struct {
u32 cmd : 8;
u32 flags : 8;
u32 dmemin : 16;
u32 dmemout : 16;
u32 count : 16;
} Asetbuff;
typedef struct {
u32 cmd : 8;
u32 flags : 8;
u32 vol : 16;
u32 voltgt : 16;
u32 volrate : 16;
} Asetvol;
typedef struct {
u32 cmd : 8;
u32 pad1 : 8;
u32 dmemin : 16;
u32 dmemout : 16;
u32 count : 16;
} Admemmove;
typedef struct {
u32 cmd : 8;
u32 pad1 : 8;
u32 count : 16;
u32 addr;
} Aloadadpcm;
typedef struct {
u32 cmd : 8;
u32 pad1 : 8;
u32 pad2 : 16;
u32 addr;
} Asetloop;
/*
* Generic Acmd Packet
*/
typedef struct {
u32 w0;
u32 w1;
} Awords;
typedef union {
Awords words;
Aadpcm adpcm;
Apolef polef;
Aclearbuff clearbuff;
Aenvelope envelope;
Ainterleave interleave;
Aloadbuff loadbuff;
Aenvmixer envmixer;
Aresample resample;
Areverb reverb;
Asavebuff savebuff;
Asegment segment;
Asetbuff setbuff;
Asetvol setvol;
Admemmove dmemmove;
Aloadadpcm loadadpcm;
Amixer mixer;
Asetloop setloop;
long long int force_union_align; /* dummy, force alignment */
} Acmd;
/*
* ADPCM State
*/
#define ADPCMVSIZE 8
#define ADPCMFSIZE 16
typedef short ADPCM_STATE[ADPCMFSIZE];
/*
* Pole filter state
*/
typedef short POLEF_STATE[4];
/*
* Resampler state
*/
typedef short RESAMPLE_STATE[16];
/*
* Resampler constants
*/
#define UNITY_PITCH 0x8000
#define MAX_RATIO 1.99996 /* within .03 cents of +1 octave */
/*
* Enveloper/Mixer state
*/
typedef short ENVMIX_STATE[40];
/*
* Macros to assemble the audio command list
*/
#define aADPCMdec(pkt, f, s) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = _SHIFTL(A_ADPCM, 24, 8) | _SHIFTL(f, 16, 8); \
_a->words.w1 = (u32)(s); \
}
#define aPoleFilter(pkt, f, g, s) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_POLEF, 24, 8) | _SHIFTL(f, 16, 8) | \
_SHIFTL(g, 0, 16)); \
_a->words.w1 = (u32)(s); \
}
#define aHiLoGain(pkt, gain, count, dmem, a4) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_HILOGAIN, 24, 8) | \
_SHIFTL(gain, 16, 8) | _SHIFTL(count, 0, 16)); \
_a->words.w1 = _SHIFTL(dmem, 16, 16) | _SHIFTL(a4, 0, 16); \
}
#define aUnkCmd3(pkt, a1, a2, a3) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = _SHIFTL(A_UNK3, 24, 8) | _SHIFTL(a3, 0, 16); \
_a->words.w1 = _SHIFTL(a1, 16, 16) | _SHIFTL(a2, 0, 16); \
}
#define aUnkCmd19(pkt, a1, a2, a3, a4) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_UNK19, 24, 8) | _SHIFTL(a1, 16, 8) | \
_SHIFTL(a2, 0, 16)); \
_a->words.w1 = _SHIFTL(a3, 16, 16) | _SHIFTL(a4, 0, 16); \
}
#define aS8Dec(pkt, a1, a2) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = _SHIFTL(A_S8DEC, 24, 8) | _SHIFTL(a1, 16, 8); \
_a->words.w1 = (u32)(a2); \
}
/*
* Clears DMEM by writing zeros.
*
* @param pkt pointer to an Acmd buffer
* @param dmem DMEM address to clear
* @param size number of bytes to clear (rounded up to the next multiple of 16)
*/
#define aClearBuffer(pkt, dmem, size) \
{ \
Acmd* _a = (Acmd*)pkt; \
\
_a->words.w0 = _SHIFTL(A_CLEARBUFF, 24, 8) | _SHIFTL(dmem, 0, 24); \
_a->words.w1 = (uintptr_t)(size); \
}
#define aEnvMixer(pkt, dmemi, count, swapLR, x0, x1, x2, x3, m) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_ENVMIXER, 24, 8) | _SHIFTL(dmemi >> 4, 16, 8) | \
_SHIFTL(count, 8, 8) | _SHIFTL(swapLR, 4, 1) | \
_SHIFTL(x0, 3, 1) | _SHIFTL(x1, 2, 1) | \
_SHIFTL(x2, 1, 1) | _SHIFTL(x3, 0, 1)); \
_a->words.w1 = (u32)(m); \
}
#define aInterleave(pkt, l, r) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = _SHIFTL(A_INTERLEAVE, 24, 8); \
_a->words.w1 = _SHIFTL(l, 16, 16) | _SHIFTL(r, 0, 16); \
}
#define aInterl(pkt, dmemi, dmemo, count) \
{ \
Acmd *_a = (Acmd*)pkt; \
\
_a->words.w0 = (_SHIFTL(A_INTERL, 24, 8) | _SHIFTL(count, 0, 16)); \
_a->words.w1 = _SHIFTL(dmemi, 16, 16) | _SHIFTL(dmemo, 0, 16); \
}
/*
* Loads a buffer to DMEM from any physical source address, KSEG0, or KSEG1
*
* @param pkt pointer to an Acmd buffer
* @param addrSrc Any physical source address, KSEG0, or KSEG1
* @param dmemDest DMEM destination address
* @param size number of bytes to copy (rounded down to the next multiple of 16)
*/
#define aLoadBuffer(pkt, addrSrc, dmemDest, size) \
{ \
Acmd* _a = (Acmd*)pkt; \
\
_a->words.w0 = (_SHIFTL(A_LOADBUFF, 24, 8) | _SHIFTL((size) >> 4, 16, 8) | _SHIFTL(dmemDest, 0, 16)); \
_a->words.w1 = (uintptr_t)(addrSrc); \
}
#define aMix(pkt, f, g, i, o) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_MIXER, 24, 8) | _SHIFTL(f, 16, 8) | \
_SHIFTL(g, 0, 16)); \
_a->words.w1 = _SHIFTL(i, 16, 16) | _SHIFTL(o, 0, 16); \
}
#define aPan(pkt, f, d, s) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_PAN, 24, 8) | _SHIFTL(f, 16, 8) | \
_SHIFTL(d, 0, 16)); \
_a->words.w1 = (u32)(s); \
}
#define aResample(pkt, f, p, s) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_RESAMPLE, 24, 8) | \
_SHIFTL(f, 16, 8) | _SHIFTL(p, 0, 16)); \
_a->words.w1 = (u32)(s); \
}
/*
* Stores a buffer from DMEM to any physical source address, KSEG0, or KSEG1
*
* @param pkt pointer to an Acmd buffer
* @param dmemSrc DMEM source address
* @param addrDest Any physical source address, KSEG0, or KSEG1
* @param size number of bytes to copy (rounded down to the next multiple of 16)
*/
#define aSaveBuffer(pkt, dmemSrc, addrDest, size) \
{ \
Acmd* _a = (Acmd*)pkt; \
\
_a->words.w0 = (_SHIFTL(A_SAVEBUFF, 24, 8) | _SHIFTL((size) >> 4, 16, 8) | _SHIFTL(dmemSrc, 0, 16)); \
_a->words.w1 = (uintptr_t)(addrDest); \
}
#define aSegment(pkt, s, b) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = _SHIFTL(A_SEGMENT, 24, 8); \
_a->words.w1 = _SHIFTL(s, 24, 8) | _SHIFTL(b, 0, 24); \
}
#define aSetBuffer(pkt, f, i, o, c) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_SETBUFF, 24, 8) | _SHIFTL(f, 16, 8) | \
_SHIFTL(i, 0, 16)); \
_a->words.w1 = _SHIFTL(o, 16, 16) | _SHIFTL(c, 0, 16); \
}
#define aSetVolume(pkt, f, v, t, r) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_SETVOL, 24, 8) | _SHIFTL(f, 16, 16) | \
_SHIFTL(v, 0, 16)); \
_a->words.w1 = _SHIFTL(r, 0, 16) | _SHIFTL(t, 16, 16); \
}
#define aSetVolume32(pkt, f, v, tr) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_SETVOL, 24, 8) | _SHIFTL(f, 16, 16) | \
_SHIFTL(v, 0, 16)); \
_a->words.w1 = (u32)(tr); \
}
#define aSetLoop(pkt, a) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = _SHIFTL(A_SETLOOP, 24, 8); \
_a->words.w1 = (u32)(a); \
}
#define aDMEMMove(pkt, i, o, c) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = _SHIFTL(A_DMEMMOVE, 24, 8) | _SHIFTL(i, 0, 24); \
_a->words.w1 = _SHIFTL(o, 16, 16) | _SHIFTL(c, 0, 16); \
}
#define aLoadADPCM(pkt, c, d) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = _SHIFTL(A_LOADADPCM, 24, 8) | _SHIFTL(c, 0, 24); \
_a->words.w1 = (u32)d; \
}
#define aEnvSetup1(pkt, a, b, c, d) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_ENVSETUP1, 24, 8) | \
_SHIFTL(a, 16, 8) | _SHIFTL(b, 0, 16)); \
_a->words.w1 = _SHIFTL(c, 16, 16) | _SHIFTL(d, 0, 16); \
}
#define aEnvSetup2(pkt, volLeft, volRight) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = _SHIFTL(A_ENVSETUP2, 24, 8); \
_a->words.w1 = (_SHIFTL(volLeft, 16, 16) | \
_SHIFTL(volRight, 0, 16)); \
}
#define aFilter(pkt, f, countOrBuf, addr) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_FILTER, 24, 8) | _SHIFTL(f, 16, 8) | \
_SHIFTL(countOrBuf, 0, 16)); \
_a->words.w1 = (u32)(addr); \
}
/*
* Duplicates 128 bytes of data a specified number of times.
*
* @param pkt pointer to an Acmd buffer
* @param numCopies number of times to duplicate 128 bytes from src
* @param dmemSrc DMEM source address
* @param dmemDest DMEM destination address for the duplicates, size 128 * numCopies
*/
#define aDuplicate(pkt, numCopies, dmemSrc, dmemDest) \
{ \
Acmd* _a = (Acmd*)pkt; \
\
_a->words.w0 = (_SHIFTL(A_DUPLICATE, 24, 8) | _SHIFTL(numCopies, 16, 8) | _SHIFTL(dmemSrc, 0, 16)); \
_a->words.w1 = _SHIFTL(dmemDest, 16, 16) | _SHIFTL(0x80, 0, 16); \
}
#define aAddMixer(pkt, count, dmemi, dmemo, a4) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_ADDMIXER, 24, 8) | \
_SHIFTL(count >> 4, 16, 8) | _SHIFTL(a4, 0, 16)); \
_a->words.w1 = _SHIFTL(dmemi, 16, 16) | _SHIFTL(dmemo, 0, 16); \
}
#define aResampleZoh(pkt, pitch, pitchAccu) \
{ \
Acmd *_a = (Acmd *)pkt; \
\
_a->words.w0 = (_SHIFTL(A_RESAMPLE_ZOH, 24, 8) | \
_SHIFTL(pitch, 0, 16)); \
_a->words.w1 = _SHIFTL(pitchAccu, 0, 16); \
}
#endif /* ULTRA64_ABI_H */
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