typedef void (CALLBACK* SPUwriteDMAMem)(unsigned short *, int, unsigned int);\r
typedef void (CALLBACK* SPUreadDMAMem)(unsigned short *, int, unsigned int);\r
typedef void (CALLBACK* SPUplayADPCMchannel)(xa_decode_t *, unsigned int, int);\r
typedef void (CALLBACK* SPUregisterCallback)(void (CALLBACK *callback)(void));\r
typedef void (CALLBACK* SPUregisterScheduleCb)(void (CALLBACK *callback)(unsigned int cycles_after));\r
typedef void (CALLBACK* SPUwriteDMAMem)(unsigned short *, int, unsigned int);\r
typedef void (CALLBACK* SPUreadDMAMem)(unsigned short *, int, unsigned int);\r
typedef void (CALLBACK* SPUplayADPCMchannel)(xa_decode_t *, unsigned int, int);\r
typedef void (CALLBACK* SPUregisterCallback)(void (CALLBACK *callback)(void));\r
typedef void (CALLBACK* SPUregisterScheduleCb)(void (CALLBACK *callback)(unsigned int cycles_after));\r