nuclear@6: #ifndef MEGADRIVE_IO_H_
nuclear@6: #define MEGADRIVE_IO_H_
nuclear@6: 
nuclear@7: #include <stdint.h>
nuclear@7: 
nuclear@7: #define IO_REG_VER		*((volatile uint8_t*)0xa10001)
nuclear@7: #define IO_REG_DATA1	*((volatile uint8_t*)0xa10003)
nuclear@7: #define IO_REG_DATA2	*((volatile uint8_t*)0xa10005)
nuclear@7: #define IO_REG_DATA3	*((volatile uint8_t*)0xa10007)
nuclear@7: #define IO_REG_CTRL1	*((volatile uint8_t*)0xa10009)
nuclear@7: #define IO_REG_CTRL2	*((volatile uint8_t*)0xa1000b)
nuclear@7: #define IO_REG_CTRL3	*((volatile uint8_t*)0xa1000d)
nuclear@7: #define IO_REG_TXDATA1	*((volatile uint8_t*)0xa1000f)
nuclear@7: #define IO_REG_RXDATA1	*((volatile uint8_t*)0xa10011)
nuclear@7: #define IO_REG_S_CTRL1	*((volatile uint8_t*)0xa10013)
nuclear@7: #define IO_REG_TXDATA2	*((volatile uint8_t*)0xa10015)
nuclear@7: #define IO_REG_RXDATA2	*((volatile uint8_t*)0xa10017)
nuclear@7: #define IO_REG_S_CTRL2	*((volatile uint8_t*)0xa10013)
nuclear@7: #define IO_REG_TXDATA3	*((volatile uint8_t*)0xa1001b)
nuclear@7: #define IO_REG_RXDATA3	*((volatile uint8_t*)0xa1001d)
nuclear@7: #define IO_REG_S_CTRL3	*((volatile uint8_t*)0xa1001f)
nuclear@7: #define IO_REG_LOCK		*((volatile uint8_t*)0xa14000)
nuclear@7: #define IO_REG_TMSS		*((volatile uint8_t*)0xa14101)
nuclear@7: 
nuclear@6: 
nuclear@6: enum {
nuclear@6: 	IO_VER_VERSION_MASK = 0x0f,
nuclear@6: 	IO_VER_EXP		= 0x20,
nuclear@6: 	IO_VER_PAL		= 0x40,
nuclear@6: 	IO_VER_NONJP	= 0x80
nuclear@6: };
nuclear@6: 
nuclear@6: #endif	/* MEGADRIVE_IO_H_ */