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/**********************************************************************
8250 UART interface and emulation
**********************************************************************/
#ifndef __INS8250_H_
#define __INS8250_H_
#include "devlegcy.h"
DECLARE_LEGACY_DEVICE(INS8250, ins8250);
DECLARE_LEGACY_DEVICE(INS8250A, ins8250a);
DECLARE_LEGACY_DEVICE(NS16450, ns16450);
DECLARE_LEGACY_DEVICE(NS16550, ns16550);
DECLARE_LEGACY_DEVICE(NS16550A, ns16550a);
DECLARE_LEGACY_DEVICE(PC16550D, pc16550d);
#define UART8250_HANDSHAKE_OUT_DTR 0x01
#define UART8250_HANDSHAKE_OUT_RTS 0x02
#define UART8250_HANDSHAKE_IN_DSR 0x020
#define UART8250_HANDSHAKE_IN_CTS 0x010
#define UART8250_INPUTS_RING_INDICATOR 0x0040
#define UART8250_INPUTS_DATA_CARRIER_DETECT 0x0080
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
typedef void (*ins8250_interrupt_func)(device_t *device, int state);
typedef void (*ins8250_transmit_func)(device_t *device, int data);
typedef void (*ins8250_handshake_out_func)(device_t *device, int data);
typedef void (*ins8250_refresh_connect_func)(device_t *device);
#define INS8250_INTERRUPT(name) void name(device_t *device, int state)
#define INS8250_TRANSMIT(name) void name(device_t *device, int data)
#define INS8250_HANDSHAKE_OUT(name) void name(device_t *device, int data)
#define INS8250_REFRESH_CONNECT(name) void name(device_t *device)
typedef struct
{
long clockin;
ins8250_interrupt_func interrupt;
ins8250_transmit_func transmit;
ins8250_handshake_out_func handshake_out;
// refresh object connected to this port
ins8250_refresh_connect_func refresh_connected;
} ins8250_interface;
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define MCFG_INS8250_ADD(_tag, _intrf) \
MCFG_DEVICE_ADD(_tag, INS8250, 0) \
MCFG_DEVICE_CONFIG(_intrf)
#define MCFG_NS16450_ADD(_tag, _intrf) \
MCFG_DEVICE_ADD(_tag, NS16450, 0) \
MCFG_DEVICE_CONFIG(_intrf)
#define MCFG_NS16550_ADD(_tag, _intrf) \
MCFG_DEVICE_ADD(_tag, NS16550, 0) \
MCFG_DEVICE_CONFIG(_intrf)
/***************************************************************************
FUNCTION PROTOTYPES
***************************************************************************/
void ins8250_receive(device_t *device, int data);
void ins8250_handshake_in(device_t *device, int new_msr);
READ8_DEVICE_HANDLER( ins8250_r );
WRITE8_DEVICE_HANDLER( ins8250_w );
#endif /* __INS8250_H_ */
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