// license:BSD-3-Clause // copyright-holders:smf #ifndef MAME_BUS_CENTRONICS_PRINTER_H #define MAME_BUS_CENTRONICS_PRINTER_H #pragma once #include "ctronics.h" #include "imagedev/printer.h" // ======================> centronics_printer_device class centronics_printer_device : public device_t, public device_centronics_peripheral_interface { public: // construction/destruction centronics_printer_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual void input_strobe(int state) override; virtual void input_data0(int state) override { if (state) m_data |= 0x01; else m_data &= ~0x01; } virtual void input_data1(int state) override { if (state) m_data |= 0x02; else m_data &= ~0x02; } virtual void input_data2(int state) override { if (state) m_data |= 0x04; else m_data &= ~0x04; } virtual void input_data3(int state) override { if (state) m_data |= 0x08; else m_data &= ~0x08; } virtual void input_data4(int state) override { if (state) m_data |= 0x10; else m_data &= ~0x10; } virtual void input_data5(int state) override { if (state) m_data |= 0x20; else m_data &= ~0x20; } virtual void input_data6(int state) override { if (state) m_data |= 0x40; else m_data &= ~0x40; } virtual void input_data7(int state) override { if (state) m_data |= 0x80; else m_data &= ~0x80; } virtual void input_init(int state) override; protected: // device-level overrides virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; virtual void device_start() override ATTR_COLD; virtual void device_reset() override ATTR_COLD; virtual bool supports_pin35_5v() override { return true; } private: void printer_online(int state); TIMER_CALLBACK_MEMBER(ack_timer_tick); TIMER_CALLBACK_MEMBER(busy_timer_tick); emu_timer *m_ack_timer; emu_timer *m_busy_timer; int m_strobe; uint8_t m_data; int m_busy; required_device m_printer; }; // device type definition DECLARE_DEVICE_TYPE(CENTRONICS_PRINTER, centronics_printer_device) #endif // MAME_BUS_CENTRONICS_PRINTER_H