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// 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
**********************************************************************/
#ifndef MAME_MACHINE_DS75161A_H
#define MAME_MACHINE_DS75161A_H
#pragma once
class ds75161a_device : public device_t
{
public:
// construction/destruction
ds75161a_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
auto in_ren() { return m_in_ren_cb.bind(); }
auto in_ifc() { return m_in_ifc_cb.bind(); }
auto in_ndac() { return m_in_ndac_cb.bind(); }
auto in_nrfd() { return m_in_nrfd_cb.bind(); }
auto in_dav() { return m_in_dav_cb.bind(); }
auto in_eoi() { return m_in_eoi_cb.bind(); }
auto in_atn() { return m_in_atn_cb.bind(); }
auto in_srq() { return m_in_srq_cb.bind(); }
auto out_ren() { return m_out_ren_cb.bind(); }
auto out_ifc() { return m_out_ifc_cb.bind(); }
auto out_ndac() { return m_out_ndac_cb.bind(); }
auto out_nrfd() { return m_out_nrfd_cb.bind(); }
auto out_dav() { return m_out_dav_cb.bind(); }
auto out_eoi() { return m_out_eoi_cb.bind(); }
auto out_atn() { return m_out_atn_cb.bind(); }
auto out_srq() { return m_out_srq_cb.bind(); }
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;
};
DECLARE_DEVICE_TYPE(DS75161A, ds75161a_device)
#endif // MAME_MACHINE_DS75161A_H
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