// 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, uint32_t 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(); } void te_w(int state); void dc_w(int state); int ren_r(); int ifc_r(); int ndac_r(); int nrfd_r(); int dav_r(); int eoi_r(); int atn_r(); int srq_r(); void ren_w(int state); void ifc_w(int state); void ndac_w(int state); void nrfd_w(int state); void dav_w(int state); void eoi_w(int state); void atn_w(int state); void srq_w(int state); protected: // device-level overrides virtual void device_start() override ATTR_COLD; 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