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Diffstat (limited to 'src/devices/bus/rs232/keyboard.h')
-rw-r--r-- | src/devices/bus/rs232/keyboard.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/devices/bus/rs232/keyboard.h b/src/devices/bus/rs232/keyboard.h new file mode 100644 index 00000000000..d2f12663d90 --- /dev/null +++ b/src/devices/bus/rs232/keyboard.h @@ -0,0 +1,48 @@ +// license:BSD-3-Clause +// copyright-holders:smf +#ifndef __RS232_KEYBOARD_H__ +#define __RS232_KEYBOARD_H__ + +#pragma once + +#include "rs232.h" +#include "machine/keyboard.h" + +class serial_keyboard_device : + public generic_keyboard_device, + public device_serial_interface, + public device_rs232_port_interface +{ +public: + serial_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + serial_keyboard_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + + virtual DECLARE_WRITE_LINE_MEMBER( input_txd ) { device_serial_interface::rx_w(state); } + DECLARE_READ_LINE_MEMBER(tx_r); + + virtual ioport_constructor device_input_ports() const; + + DECLARE_WRITE_LINE_MEMBER(update_serial); + +protected: + virtual void device_start(); + virtual void device_reset(); + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); + virtual void tra_callback(); + virtual void tra_complete(); + virtual void send_key(UINT8 code); + +private: + UINT8 m_curr_key; + bool m_key_valid; + + required_ioport m_rs232_txbaud; + required_ioport m_rs232_startbits; + required_ioport m_rs232_databits; + required_ioport m_rs232_parity; + required_ioport m_rs232_stopbits; +}; + +extern const device_type SERIAL_KEYBOARD; + +#endif /* __RS232_KEYBOARD_H__ */ |