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