// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
National Semiconductor DS75161A IEEE-488 GPIB Transceiver emulation
**********************************************************************
_____ _____
TE 1 |* \_/ | 20 Vcc
REN 2 | | 19 REN
IFC 3 | | 18 IFC
NDAC 4 | | 17 NDAC
NRFD 5 | DS75161A | 16 NRFD
DAV 6 | | 15 DAV
EOI 7 | | 14 EOI
ATN 8 | | 13 ATN
SRQ 8 | | 12 SRQ
GND 10 |_____________| 11 DC
**********************************************************************/
#pragma once
#ifndef __DS75161A__
#define __DS75161A__
#include "emu.h"
///*************************************************************************
// INTERFACE CONFIGURATION MACROS
///*************************************************************************
#define MCFG_DS75161A_IN_REN_CB(_devcb) \
devcb = &ds75161a_device::set_in_ren_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_IN_IFC_CB(_devcb) \
devcb = &ds75161a_device::set_in_ifc_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_IN_NDAC_CB(_devcb) \
devcb = &ds75161a_device::set_in_ndac_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_IN_NRFD_CB(_devcb) \
devcb = &ds75161a_device::set_in_nrfd_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_IN_DAV_CB(_devcb) \
devcb = &ds75161a_device::set_in_dav_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_IN_EOI_CB(_devcb) \
devcb = &ds75161a_device::set_in_eoi_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_IN_ATN_CB(_devcb) \
devcb = &ds75161a_device::set_in_atn_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_IN_SRQ_CB(_devcb) \
devcb = &ds75161a_device::set_in_srq_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_OUT_REN_CB(_devcb) \
devcb = &ds75161a_device::set_out_ren_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_OUT_IFC_CB(_devcb) \
devcb = &ds75161a_device::set_out_ifc_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_OUT_NDAC_CB(_devcb) \
devcb = &ds75161a_device::set_out_ndac_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_OUT_NRFD_CB(_devcb) \
devcb = &ds75161a_device::set_out_nrfd_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_OUT_DAV_CB(_devcb) \
devcb = &ds75161a_device::set_out_dav_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_OUT_EOI_CB(_devcb) \
devcb = &ds75161a_device::set_out_eoi_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_OUT_ATN_CB(_devcb) \
devcb = &ds75161a_device::set_out_atn_callback(*device, DEVCB_##_devcb);
#define MCFG_DS75161A_OUT_SRQ_CB(_devcb) \
devcb = &ds75161a_device::set_out_srq_callback(*device, DEVCB_##_devcb);
///*************************************************************************
// TYPE DEFINITIONS
///*************************************************************************
// ======================> ds75161a_device
class ds75161a_device : public device_t
{
public:
// construction/destruction
ds75161a_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
template<class _Object> static devcb_base &set_in_ren_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_in_ren_cb.set_callback(object); }
template<class _Object> static devcb_base &set_in_ifc_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_in_ifc_cb.set_callback(object); }
template<class _Object> static devcb_base &set_in_ndac_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_in_ndac_cb.set_callback(object); }
template<class _Object> static devcb_base &set_in_nrfd_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_in_nrfd_cb.set_callback(object); }
template<class _Object> static devcb_base &set_in_dav_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_in_dav_cb.set_callback(object); }
template<class _Object> static devcb_base &set_in_eoi_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_in_eoi_cb.set_callback(object); }
template<class _Object> static devcb_base &set_in_atn_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_in_atn_cb.set_callback(object); }
template<class _Object> static devcb_base &set_in_srq_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_in_srq_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_ren_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_out_ren_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_ifc_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_out_ifc_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_ndac_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_out_ndac_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_nrfd_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_out_nrfd_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_dav_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_out_dav_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_eoi_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_out_eoi_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_atn_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_out_atn_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_srq_callback(device_t &device, _Object object) { return downcast<ds75161a_device &>(device).m_out_srq_cb.set_callback(object); }
DECLARE_WRITE_LINE_MEMBER( te_w );
DECLARE_WRITE_LINE_MEMBER( dc_w );
DECLARE_READ_LINE_MEMBER( ren_r );
DECLARE_READ_LINE_MEMBER( ifc_r );
DECLARE_READ_LINE_MEMBER( ndac_r );
DECLARE_READ_LINE_MEMBER( nrfd_r );
DECLARE_READ_LINE_MEMBER( dav_r );
DECLARE_READ_LINE_MEMBER( eoi_r );
DECLARE_READ_LINE_MEMBER( atn_r );
DECLARE_READ_LINE_MEMBER( srq_r );
DECLARE_WRITE_LINE_MEMBER( ren_w );
DECLARE_WRITE_LINE_MEMBER( ifc_w );
DECLARE_WRITE_LINE_MEMBER( ndac_w );
DECLARE_WRITE_LINE_MEMBER( nrfd_w );
DECLARE_WRITE_LINE_MEMBER( dav_w );
DECLARE_WRITE_LINE_MEMBER( eoi_w );
DECLARE_WRITE_LINE_MEMBER( atn_w );
DECLARE_WRITE_LINE_MEMBER( srq_w );
protected:
// device-level overrides
virtual void device_start() override;
private:
void update_signals();
devcb_read_line m_in_ren_cb;
devcb_read_line m_in_ifc_cb;
devcb_read_line m_in_ndac_cb;
devcb_read_line m_in_nrfd_cb;
devcb_read_line m_in_dav_cb;
devcb_read_line m_in_eoi_cb;
devcb_read_line m_in_atn_cb;
devcb_read_line m_in_srq_cb;
devcb_write_line m_out_ren_cb;
devcb_write_line m_out_ifc_cb;
devcb_write_line m_out_ndac_cb;
devcb_write_line m_out_nrfd_cb;
devcb_write_line m_out_dav_cb;
devcb_write_line m_out_eoi_cb;
devcb_write_line m_out_atn_cb;
devcb_write_line m_out_srq_cb;
int m_ren;
int m_ifc;
int m_ndac;
int m_nrfd;
int m_dav;
int m_eoi;
int m_atn;
int m_srq;
int m_te;
int m_dc;
};
// device type definition
extern const device_type DS75161A;
#endif