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#ifndef __TERMINAL_H__
#define __TERMINAL_H__
#include "emu.h"
#include "machine/serial.h"
#include "machine/keyboard.h"
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
struct terminal_interface
{
devcb_write8 m_keyboard_cb;
};
#define GENERIC_TERMINAL_INTERFACE(name) const terminal_interface (name) =
struct serial_terminal_interface
{
devcb_write_line m_out_tx_cb;
};
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define TERMINAL_TAG "terminal"
#define TERMINAL_SCREEN_TAG "terminal_screen"
#define MCFG_GENERIC_TERMINAL_ADD(_tag, _intrf) \
MCFG_DEVICE_ADD(_tag, GENERIC_TERMINAL, 0) \
MCFG_DEVICE_CONFIG(_intrf)
#define MCFG_GENERIC_TERMINAL_REMOVE(_tag) \
MCFG_DEVICE_REMOVE(_tag)
#define MCFG_SERIAL_TERMINAL_ADD(_tag, _intrf, _clock) \
MCFG_DEVICE_ADD(_tag, SERIAL_TERMINAL, _clock) \
MCFG_DEVICE_CONFIG(_intrf)
/***************************************************************************
FUNCTION PROTOTYPES
***************************************************************************/
#define TERMINAL_WIDTH 80
#define TERMINAL_HEIGHT 24
class generic_terminal_device :
public device_t,
public terminal_interface
{
public:
generic_terminal_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
generic_terminal_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
DECLARE_WRITE8_MEMBER(write) { term_write(data); }
DECLARE_WRITE8_MEMBER(kbd_put);
UINT32 update(screen_device &device, bitmap_rgb32 &bitmap, const rectangle &cliprect);
virtual ioport_constructor device_input_ports() const;
virtual machine_config_constructor device_mconfig_additions() const;
protected:
optional_ioport m_io_term_frame;
required_ioport m_io_term_conf;
virtual void term_write(UINT8 data);
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 device_config_complete();
virtual void send_key(UINT8 code) { m_keyboard_func(0, code); }
UINT8 m_buffer[TERMINAL_WIDTH*50]; // make big enough for teleprinter
UINT8 m_x_pos;
emu_timer *m_timer;
private:
void scroll_line();
void write_char(UINT8 data);
void clear();
UINT8 m_framecnt;
UINT8 m_y_pos;
devcb_resolved_write8 m_keyboard_func;
};
extern const device_type GENERIC_TERMINAL;
class serial_terminal_device :
public generic_terminal_device,
public device_serial_interface,
public device_serial_port_interface,
public serial_terminal_interface
{
public:
serial_terminal_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
DECLARE_WRITE_LINE_MEMBER(rx_w) { m_tbit = state; check_for_start(state); }
DECLARE_READ_LINE_MEMBER(tx_r);
virtual void tx(UINT8 state) { rx_w(state); }
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 tra_callback();
virtual void tra_complete();
virtual void rcv_complete();
virtual void input_callback(UINT8 state) { m_input_state = state; }
virtual void send_key(UINT8 code);
private:
serial_port_device *m_owner;
bool m_slot;
UINT8 m_curr_key;
bool m_key_valid;
devcb_resolved_write_line m_out_tx_func;
};
extern const device_type SERIAL_TERMINAL;
#endif /* __TERMINAL_H__ */
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