extern int SsUtKeyOn(int vabId, int prog, int tone, int note, int fine, int voll, int vlor);
extern int SsUtKeyOff(int voice, int vabId, int prog, int tone, int note);
extern void SsSetSerialAttr(char s_num, char attr, char mode);
extern void SsSetSerialVol(char a, int b, int c);
extern int SsUtSetReverbType(int type);
extern void SsSetMVol(int voll, int volr);
extern void SsUtReverbOn(void);
extern int SsVabTransfer(unsigned char *vh_addr, unsigned char *vd_addr, int vabid, int i_flag);
extern int SsSeqOpen(unsigned int *addr, int vad_id);
extern void SsSeqPlay(int seq_access_num, char play_mode, int count);
extern void SsSeqStop(int seq_access_num);
extern void SsSeqClose(int seq_access_num);
extern void SsSetTempo(int a, int b, int c);
extern void GetPadBuf(volatile unsigned char **a, volatile unsigned char **b);
extern void SsUtSetReverbDepth(int a, int b);