extern void CALLBACK SPUwriteDMAMem(unsigned short *, int, unsigned int);
extern void CALLBACK SPUreadDMAMem(unsigned short *, int, unsigned int);
extern void CALLBACK SPUplayADPCMchannel(void *, unsigned int, int);
-extern void CALLBACK SPUregisterCallback(void (*cb)(void));
+extern void CALLBACK SPUregisterCallback(void (*cb)(int));
extern void CALLBACK SPUregisterScheduleCb(void (*cb)(unsigned int));
extern long CALLBACK SPUfreeze(unsigned int, void *, unsigned int);
extern void CALLBACK SPUasync(unsigned int, unsigned int);
extern uint32_t GPUreadStatus(void);
extern uint32_t GPUreadData(void);
extern void GPUreadDataMem(uint32_t *, int);
-extern long GPUdmaChain(uint32_t *,uint32_t);
+extern long GPUdmaChain(uint32_t *, uint32_t, uint32_t *);
extern void GPUupdateLace(void);
extern long GPUfreeze(uint32_t, void *);
extern void GPUvBlank(int, int);