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Diffstat (limited to 'src/devices/bus/bbc/joyport/mouse.h')
-rw-r--r-- | src/devices/bus/bbc/joyport/mouse.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/devices/bus/bbc/joyport/mouse.h b/src/devices/bus/bbc/joyport/mouse.h new file mode 100644 index 00000000000..0e2c6947104 --- /dev/null +++ b/src/devices/bus/bbc/joyport/mouse.h @@ -0,0 +1,62 @@ +// license:BSD-3-Clause +// copyright-holders:Nigel Barnes +/********************************************************************** + + BBC Master Compact Mouse + +**********************************************************************/ + +#ifndef MAME_BUS_BBC_JOYPORT_MOUSE_H +#define MAME_BUS_BBC_JOYPORT_MOUSE_H + +#pragma once + +#include "joyport.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> bbcmc_mouse_device + +class bbcmc_mouse_device : + public device_t, + public device_bbc_joyport_interface +{ +public: + // construction/destruction + bbcmc_mouse_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +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; + + virtual uint8_t pb_r() override; + + TIMER_CALLBACK_MEMBER(update); + +private: + required_ioport m_mouse_x; + required_ioport m_mouse_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_mouse_timer; +}; + + +// device type definition +DECLARE_DEVICE_TYPE(BBCMC_MOUSE, bbcmc_mouse_device) + + +#endif // MAME_BUS_BBC_JOYPORT_MOUSE_H |