// license:BSD-3-Clause // copyright-holders:Olivier Galibert /********************************************************************** Generic quadrature mouse axis emulation Note: Axis only, no buttons, do the buttons in the owning device **********************************************************************/ #ifndef MAME_MACHINE_QUADMOUSE_H #define MAME_MACHINE_QUADMOUSE_H #pragma once class quadmouse_device : public device_t { public: // construction/destruction quadmouse_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); auto write_up() { return m_up_cb.bind(); } auto write_down() { return m_down_cb.bind(); } auto write_left() { return m_left_cb.bind(); } auto write_right() { return m_right_cb.bind(); } bool up_r() { return m_up; } bool down_r() { return m_down; } bool left_r() { return m_left; } bool right_r() { return m_right; } DECLARE_INPUT_CHANGED_MEMBER(x_changed); DECLARE_INPUT_CHANGED_MEMBER(y_changed); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual ioport_constructor device_input_ports() const override; private: required_ioport m_port_x, m_port_y; devcb_write_line m_up_cb, m_down_cb, m_left_cb, m_right_cb; emu_timer *m_x_timer, *m_y_timer; attotime m_x_time, m_y_time; s32 m_x_delta, m_y_delta; bool m_down, m_up, m_left, m_right; TIMER_CALLBACK_MEMBER(x_tick); TIMER_CALLBACK_MEMBER(y_tick); void changed(s32 oldval, s32 newval, s32 &delta, attotime &time, emu_timer *timer); void step(s32 &delta, bool &mn, bool &pl, devcb_write_line &mn_cb, devcb_write_line &pl_cb); }; DECLARE_DEVICE_TYPE(QUADMOUSE, quadmouse_device) #endif // MAME_MACHINE_QUADMOUSE_H