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author smf- <smf-@users.noreply.github.com>2014-02-15 01:29:27 +0000
committer smf- <smf-@users.noreply.github.com>2014-02-15 01:29:27 +0000
commitb37d92de7246ff7da31a235b996e89db6f8c8d22 (patch)
tree616a8439278f4ff3331b677c9b841ed71657290a /src/emu/bus/rs232/keyboard.h
parent88bc8a4673a710bdcdd2640f39b3b33bc2b76ab0 (diff)
created src\emu\bus\rs232 & src\emu\bus\midi directories and separated rs232 and midi devices, changed h89 to use an rs232 port to communicate with the serial terminal to instead of connecting it directly. [smf]
Diffstat (limited to 'src/emu/bus/rs232/keyboard.h')
-rw-r--r--src/emu/bus/rs232/keyboard.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/emu/bus/rs232/keyboard.h b/src/emu/bus/rs232/keyboard.h
new file mode 100644
index 00000000000..8e0da84ea20
--- /dev/null
+++ b/src/emu/bus/rs232/keyboard.h
@@ -0,0 +1,64 @@
+#ifndef __RS232_KEYBOARD_H__
+#define __RS232_KEYBOARD_H__
+
+#include "rs232.h"
+#include "machine/keyboard.h"
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+
+struct serial_keyboard_interface
+{
+ devcb_write_line m_out_tx_cb;
+};
+
+/***************************************************************************
+ DEVICE CONFIGURATION MACROS
+***************************************************************************/
+
+#define MCFG_SERIAL_KEYBOARD_ADD(_tag, _intrf, _clock) \
+ MCFG_DEVICE_ADD(_tag, SERIAL_KEYBOARD, _clock) \
+ MCFG_DEVICE_CONFIG(_intrf)
+
+/***************************************************************************
+ FUNCTION PROTOTYPES
+***************************************************************************/
+
+class serial_keyboard_device :
+ public generic_keyboard_device,
+ public device_serial_interface,
+ public device_rs232_port_interface,
+ public serial_keyboard_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_INPUT_CHANGED_MEMBER(update_frame);
+
+protected:
+ virtual void device_start();
+ virtual void device_config_complete();
+ 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 input_callback(UINT8 state) { m_input_state = state; }
+ virtual void send_key(UINT8 code);
+private:
+ int m_rbit;
+ UINT8 m_curr_key;
+ bool m_key_valid;
+ devcb_resolved_write_line m_out_tx_func;
+ required_ioport m_io_term_frame;
+};
+
+extern const device_type SERIAL_KEYBOARD;
+
+#endif /* __RS232_KEYBOARD_H__ */