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Diffstat (limited to 'src/devices/bus/centronics/printer.h')
-rw-r--r-- | src/devices/bus/centronics/printer.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/devices/bus/centronics/printer.h b/src/devices/bus/centronics/printer.h new file mode 100644 index 00000000000..7f10fd7e4c2 --- /dev/null +++ b/src/devices/bus/centronics/printer.h @@ -0,0 +1,58 @@ +// license:BSD-3-Clause +// copyright-holders:smf +#pragma once + +#ifndef __CENTRONICS_PRINTER_H__ +#define __CENTRONICS_PRINTER_H__ + +#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 clock); + + virtual DECLARE_WRITE_LINE_MEMBER( input_strobe ); + virtual DECLARE_WRITE_LINE_MEMBER( input_data0 ) { if (state) m_data |= 0x01; else m_data &= ~0x01; } + virtual DECLARE_WRITE_LINE_MEMBER( input_data1 ) { if (state) m_data |= 0x02; else m_data &= ~0x02; } + virtual DECLARE_WRITE_LINE_MEMBER( input_data2 ) { if (state) m_data |= 0x04; else m_data &= ~0x04; } + virtual DECLARE_WRITE_LINE_MEMBER( input_data3 ) { if (state) m_data |= 0x08; else m_data &= ~0x08; } + virtual DECLARE_WRITE_LINE_MEMBER( input_data4 ) { if (state) m_data |= 0x10; else m_data &= ~0x10; } + virtual DECLARE_WRITE_LINE_MEMBER( input_data5 ) { if (state) m_data |= 0x20; else m_data &= ~0x20; } + virtual DECLARE_WRITE_LINE_MEMBER( input_data6 ) { if (state) m_data |= 0x40; else m_data &= ~0x40; } + virtual DECLARE_WRITE_LINE_MEMBER( input_data7 ) { if (state) m_data |= 0x80; else m_data &= ~0x80; } + virtual DECLARE_WRITE_LINE_MEMBER( input_init ); + + DECLARE_WRITE_LINE_MEMBER( printer_online ); + +protected: + // device-level overrides + virtual machine_config_constructor device_mconfig_additions() const; + virtual void device_start(); + virtual void device_reset(); + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); + +private: + + enum + { + TIMER_ACK, + TIMER_BUSY + }; + + int m_strobe; + UINT8 m_data; + int m_busy; + + required_device<printer_image_device> m_printer; +}; + +// device type definition +extern const device_type CENTRONICS_PRINTER; + +#endif |