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/*****************************************************************************
*
* machine/ser_mouse.h
*
****************************************************************************/
#ifndef SER_MOUSE_H_
#define SER_MOUSE_H_
#include "rs232.h"
class serial_mouse_device :
public device_t,
public device_rs232_port_interface,
public device_serial_interface
{
public:
serial_mouse_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 ioport_constructor device_input_ports() const;
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 mouse_trans(int dx, int dy, int nb, int mbc) = 0;
virtual void set_frame() = 0;
void set_mouse_enable(bool state);
void queue_data(UINT8 data) {m_queue[m_head] = data; ++m_head %= 256;}
UINT8 unqueue_data() {UINT8 ret = m_queue[m_tail]; ++m_tail %= 256; return ret;}
virtual void tra_complete();
virtual void tra_callback();
private:
UINT8 m_queue[256];
UINT8 m_head, m_tail, m_mb;
emu_timer *m_timer;
bool m_enabled;
required_ioport m_x;
required_ioport m_y;
required_ioport m_btn;
};
class microsoft_mouse_device : public serial_mouse_device
{
public:
microsoft_mouse_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual DECLARE_WRITE_LINE_MEMBER( input_dtr ) { m_dtr = state; check_state(); }
virtual DECLARE_WRITE_LINE_MEMBER( input_rts ) { m_rts = state; check_state(); m_old_rts = state; }
protected:
virtual void set_frame() { set_data_frame(1, 7, PARITY_NONE, STOP_BITS_2); }
virtual void mouse_trans(int dx, int dy, int nb, int mbc);
virtual void device_reset() {m_old_rts = 0; serial_mouse_device::device_reset();}
private:
void check_state();
int m_dtr;
int m_rts;
int m_old_rts;
};
extern const device_type MSFT_SERIAL_MOUSE;
class mouse_systems_mouse_device : public serial_mouse_device
{
public:
mouse_systems_mouse_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual DECLARE_WRITE_LINE_MEMBER( input_dtr ) { m_dtr = state; check_state(); }
virtual DECLARE_WRITE_LINE_MEMBER( input_rts ) { m_rts = state; check_state(); }
protected:
virtual void set_frame() { set_data_frame(1, 8, PARITY_NONE, STOP_BITS_2); }
virtual void mouse_trans(int dx, int dy, int nb, int mbc);
private:
void check_state() { set_mouse_enable((m_dtr && m_rts)?true:false); }
int m_dtr;
int m_rts;
};
extern const device_type MSYSTEM_SERIAL_MOUSE;
#endif /* SER_MOUSE_H_ */
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