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Diffstat (limited to 'src/devices/bus/a2bus/agat7ports.h')
-rw-r--r-- | src/devices/bus/a2bus/agat7ports.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/agat7ports.h b/src/devices/bus/a2bus/agat7ports.h new file mode 100644 index 00000000000..1988b1df524 --- /dev/null +++ b/src/devices/bus/a2bus/agat7ports.h @@ -0,0 +1,64 @@ +// license:BSD-3-Clause +// copyright-holders:Sergey Svishchev +/********************************************************************* + + agat7_ports.h + + Implementation of the Agat-7 ports card (decimal 3.089.106) + +*********************************************************************/ + +#ifndef MAME_BUS_A2BUS_AGAT7_PORTS_H +#define MAME_BUS_A2BUS_AGAT7_PORTS_H + +#pragma once + +#include "emu.h" +#include "a2bus.h" + +#include "bus/centronics/ctronics.h" +#include "bus/rs232/rs232.h" +#include "machine/i8251.h" +#include "machine/i8255.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class a2bus_agat7_ports_device: + public device_t, + public device_a2bus_card_interface +{ +public: + // construction/destruction + a2bus_agat7_ports_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + a2bus_agat7_ports_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + virtual void device_start() override; + virtual void device_reset() override; + virtual void device_add_mconfig(machine_config &config) override; + virtual ioport_constructor device_input_ports() const override; + + // overrides of standard a2bus slot functions + virtual uint8_t read_c0nx(uint8_t offset) override; + virtual void write_c0nx(uint8_t offset, uint8_t data) override; + + required_device<i8255_device> m_d9; + required_device<i8251_device> m_d10; + required_device<centronics_device> m_centronics; + + DECLARE_WRITE8_MEMBER(write_portb); + DECLARE_READ8_MEMBER(read_portc); + DECLARE_WRITE_LINE_MEMBER(write_centronics_busy); + +private: + bool m_centronics_busy; +}; + +// device type definition +extern const device_type A2BUS_AGAT7_PORTS; +DECLARE_DEVICE_TYPE(A2BUS_AGAT7_PORTS, a2bus_agat7_ports_device) + +#endif // MAME_BUS_A2BUS_AGAT7_PORTS_H |