/********************************************************************** Sega Master System "Control Pad"/generic joystick emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #include "joypad.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** const device_type SMS_JOYPAD = &device_creator; static INPUT_PORTS_START( sms_joypad ) PORT_START("JOYPAD") 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_UNUSED ) // Vcc PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) // TL PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) // TH PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON2 ) // TR INPUT_PORTS_END //------------------------------------------------- // input_ports - device-specific input ports //------------------------------------------------- ioport_constructor sms_joypad_device::device_input_ports() const { return INPUT_PORTS_NAME( sms_joypad ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // sms_joypad_device - constructor //------------------------------------------------- sms_joypad_device::sms_joypad_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, SMS_JOYPAD, "Sega SMS Control Pad", tag, owner, clock, "sms_joypad", __FILE__), device_sms_control_port_interface(mconfig, *this), m_joypad(*this, "JOYPAD") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void sms_joypad_device::device_start() { } //------------------------------------------------- // sms_peripheral_r - joypad read //------------------------------------------------- UINT8 sms_joypad_device::peripheral_r() { return m_joypad->read(); }