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/*********************************************************************
6850acia.h
6850 ACIA code
*********************************************************************/
#ifndef __ACIA6850_H__
#define __ACIA6850_H__
#include "devcb.h"
/***************************************************************************
MACROS
***************************************************************************/
#define ACIA6850 DEVICE_GET_INFO_NAME(acia6850)
#define ACIA6850_STATUS_RDRF 0x01
#define ACIA6850_STATUS_TDRE 0x02
#define ACIA6850_STATUS_DCD 0x04
#define ACIA6850_STATUS_CTS 0x08
#define ACIA6850_STATUS_FE 0x10
#define ACIA6850_STATUS_OVRN 0x20
#define ACIA6850_STATUS_PE 0x40
#define ACIA6850_STATUS_IRQ 0x80
#define MDRV_ACIA6850_ADD(_tag, _config) \
MDRV_DEVICE_ADD(_tag, ACIA6850, 0) \
MDRV_DEVICE_CONFIG(_config)
#define MDRV_ACIA6850_REMOVE(_tag) \
MDRV_DEVICE_REMOVE(_tag)
#define ACIA6850_INTERFACE(_name) \
const acia6850_interface(_name) =
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
typedef struct _acia6850_interface acia6850_interface;
struct _acia6850_interface
{
int tx_clock;
int rx_clock;
devcb_read_line in_rx_func;
devcb_write_line out_tx_func;
devcb_read_line in_cts_func;
devcb_write_line out_rts_func;
devcb_read_line in_dcd_func;
devcb_write_line out_irq_func;
};
/***************************************************************************
FUNCTION PROTOTYPES
***************************************************************************/
DEVICE_GET_INFO( acia6850 );
void acia6850_tx_clock_in(const device_config *device) ATTR_NONNULL;
void acia6850_rx_clock_in(const device_config *device) ATTR_NONNULL;
void acia6850_set_rx_clock(const device_config *device, int clock) ATTR_NONNULL;
void acia6850_set_tx_clock(const device_config *device, int clock) ATTR_NONNULL;
WRITE8_DEVICE_HANDLER( acia6850_ctrl_w );
READ8_DEVICE_HANDLER( acia6850_stat_r );
WRITE8_DEVICE_HANDLER( acia6850_data_w );
READ8_DEVICE_HANDLER( acia6850_data_r );
#endif /* __ACIA6850_H__ */
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