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File:  [RetroPC.NET] / xmil / io / sio.h
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Tue Jun 3 05:07:31 2008 JST (17 years, 4 months ago) by yui
Branches: MAIN
CVS tags: HEAD
change to c style comment


enum {
	SIOCH_A		= 0,
	SIOCH_B		= 1
};

#define	SIOFIFO_BUFMAX		80

typedef struct {
	UINT	cnt;
	UINT	top;
	UINT	fno;
	UINT8	buf[SIOFIFO_BUFMAX];
	UINT8	flg[SIOFIFO_BUFMAX];
} SIOFIFO;

typedef struct {
	UINT8	num;
	UINT8	tx_int;
	UINT8	rx_int;
	UINT8	padding;
	UINT8	wr[8];
	UINT8	rr[4];
	SIOFIFO	TxD;			/* M */
	SIOFIFO	RxD;			/* M */
} SIOCH;

typedef struct {
	SIOCH	ch[2];
} SIO;


#ifdef __cplusplus
extern "C" {
#endif

void sio_int(void);
void IOOUTCALL sio_o(UINT port, REG8 dat);
REG8 IOINPCALL sio_i(UINT port);

void sio_reset(void);

#ifdef __cplusplus
}
#endif
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