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Diffstat (limited to 'src/devices/bus/sunmouse/sunmouse.h')
-rw-r--r-- | src/devices/bus/sunmouse/sunmouse.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/devices/bus/sunmouse/sunmouse.h b/src/devices/bus/sunmouse/sunmouse.h new file mode 100644 index 00000000000..ff7dd9ca86a --- /dev/null +++ b/src/devices/bus/sunmouse/sunmouse.h @@ -0,0 +1,84 @@ +// license:BSD-3-Clause +// copyright-holders:Vas Crabb +#ifndef MAME_BUS_SUNMOUSE_SUNMOUSE_H +#define MAME_BUS_SUNMOUSE_SUNMOUSE_H + +#pragma once + +#include "diserial.h" + + +class device_sun_mouse_port_interface; + + +class sun_mouse_port_device : public device_t, public device_slot_interface +{ + friend class device_sun_mouse_port_interface; + +public: + template <typename T> + sun_mouse_port_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt) + : sun_mouse_port_device(mconfig, tag, owner, 0) + { + option_reset(); + opts(*this); + set_default_option(dflt); + set_fixed(false); + } + sun_mouse_port_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock = 0); + virtual ~sun_mouse_port_device(); + + // configuration helpers + auto rxd_handler() { return m_rxd_handler.bind(); } + + DECLARE_WRITE_LINE_MEMBER( write_txd ); + + DECLARE_READ_LINE_MEMBER( rxd_r ) { return m_rxd; } + +protected: + sun_mouse_port_device(machine_config const &mconfig, device_type type, char const *tag, device_t *owner, uint32_t clock); + + virtual void device_config_complete() override; + virtual void device_validity_check(validity_checker &valid) const override; + virtual void device_resolve_objects() override; + virtual void device_start() override; + + int m_rxd; + + devcb_write_line m_rxd_handler; + +private: + device_sun_mouse_port_interface *m_dev; +}; + + +class device_sun_mouse_port_interface : public device_slot_card_interface +{ + friend class sun_mouse_port_device; + +public: + virtual ~device_sun_mouse_port_interface() override; + +protected: + device_sun_mouse_port_interface(machine_config const &mconfig, device_t &device); + + virtual DECLARE_WRITE_LINE_MEMBER( input_txd ) { } + + DECLARE_WRITE_LINE_MEMBER( output_rxd ) { m_port->m_rxd_handler(m_port->m_rxd = state ? 0 : 1); } + + sun_mouse_port_device *m_port; + + static constexpr int START_BIT_COUNT = 1; + static constexpr int DATA_BIT_COUNT = 8; + static constexpr device_serial_interface::parity_t PARITY = device_serial_interface::PARITY_NONE; + static constexpr device_serial_interface::stop_bits_t STOP_BITS = device_serial_interface::STOP_BITS_1; + static constexpr int BAUD = 1'200; +}; + + +DECLARE_DEVICE_TYPE(SUNMOUSE_PORT, sun_mouse_port_device) + + +void default_sun_mouse_devices(device_slot_interface &device); + +#endif // MAME_BUS_SUNMOUSE_SUNMOUSE_H |