// license:BSD-3-Clause // copyright-holders:Wilbert Pol /********************************************************************** MSX Digital Joystick emulation **********************************************************************/ #include "emu.h" #include "joystick.h" namespace { INPUT_PORTS_START(msx_joystick) PORT_START("JOY") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_8WAY PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_8WAY PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_8WAY PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_8WAY PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) INPUT_PORTS_END class msx_joystick_device : public device_t, public device_msx_general_purpose_port_interface { public: msx_joystick_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); virtual u8 read() override { return m_joy->read(); } protected: virtual void device_start() override { } virtual ioport_constructor device_input_ports() const override { return INPUT_PORTS_NAME(msx_joystick); } private: required_ioport m_joy; }; msx_joystick_device::msx_joystick_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : device_t(mconfig, MSX_JOYSTICK, tag, owner, clock) , device_msx_general_purpose_port_interface(mconfig, *this) , m_joy(*this, "JOY") { } } // anonymous namespace DEFINE_DEVICE_TYPE_PRIVATE(MSX_JOYSTICK, device_msx_general_purpose_port_interface, msx_joystick_device, "msx_joystick", "MSX Digital Joystick")