// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** Mouse emulation **********************************************************************/ #ifndef MAME_BUS_BBC_USERPORT_POINTER_H #define MAME_BUS_BBC_USERPORT_POINTER_H #pragma once #include "userport.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class bbc_pointer_device : public device_t, public device_bbc_userport_interface { protected: // construction/destruction bbc_pointer_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock); // device-level overrides virtual void device_start() override; virtual void device_reset() override; TIMER_CALLBACK_MEMBER(update); required_ioport m_pointer_x; required_ioport m_pointer_y; required_ioport m_buttons; // quadrature output int m_xdir, m_ydir; // internal quadrature state int m_x, m_y; int m_phase_x, m_phase_y; emu_timer *m_pointer_timer; }; // ======================> bbc_amxmouse_device class bbc_amxmouse_device : public bbc_pointer_device { public: // construction/destruction bbc_amxmouse_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock); uint8_t pb_r() override; // optional information overrides virtual ioport_constructor device_input_ports() const override; }; // ======================> bbc_m512mouse_device class bbc_m512mouse_device : public bbc_pointer_device { public: // construction/destruction bbc_m512mouse_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock); uint8_t pb_r() override; // optional information overrides virtual ioport_constructor device_input_ports() const override; }; // ======================> bbc_tracker_device class bbc_tracker_device : public bbc_pointer_device { public: // construction/destruction bbc_tracker_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock); uint8_t pb_r() override; // optional information overrides virtual ioport_constructor device_input_ports() const override; }; // device type definition DECLARE_DEVICE_TYPE(BBC_AMXMOUSE, bbc_amxmouse_device) DECLARE_DEVICE_TYPE(BBC_M512MOUSE, bbc_m512mouse_device) DECLARE_DEVICE_TYPE(BBC_TRACKER, bbc_tracker_device) #endif // MAME_BUS_BBC_USERPORT_POINTER_H