// license:BSD-3-Clause // copyright-holders:Fabio Priuli /********************************************************************** SNK Neo Geo Dial Controller emulation **********************************************************************/ #include "emu.h" #include "dial.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** DEFINE_DEVICE_TYPE(NEOGEO_DIAL, neogeo_dial_device, "neogeo_dial", "SNK Neo Geo Dial Controller") static INPUT_PORTS_START( neogeo_dial ) PORT_START("JOY1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) PORT_BIT( 0x90, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) /* note it needs it from 0x80 when using paddle */ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_START("JOY2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) PORT_BIT( 0x90, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) /* note it needs it from 0x80 when using paddle */ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_START("DIAL1") PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(25) PORT_KEYDELTA(20) PORT_PLAYER(1) PORT_START("DIAL2") PORT_BIT( 0xff, 0x00, IPT_DIAL ) PORT_SENSITIVITY(25) PORT_KEYDELTA(20) PORT_PLAYER(2) PORT_START("START") PORT_BIT( 0xfa, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START2 ) INPUT_PORTS_END //------------------------------------------------- // input_ports - device-specific input ports //------------------------------------------------- ioport_constructor neogeo_dial_device::device_input_ports() const { return INPUT_PORTS_NAME( neogeo_dial ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // neogeo_dial_device - constructor //------------------------------------------------- neogeo_dial_device::neogeo_dial_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, NEOGEO_DIAL, tag, owner, clock), device_neogeo_ctrl_edge_interface(mconfig, *this), m_joy1(*this, "JOY1"), m_joy2(*this, "JOY2"), m_dial1(*this, "DIAL1"), m_dial2(*this, "DIAL2"), m_ss(*this, "START") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void neogeo_dial_device::device_start() { save_item(NAME(m_ctrl_sel)); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void neogeo_dial_device::device_reset() { m_ctrl_sel = 0; } //------------------------------------------------- // in0_r //------------------------------------------------- READ8_MEMBER(neogeo_dial_device::in0_r) { uint8_t res = 0; if (m_ctrl_sel & 0x01) res = m_joy1->read(); else res = m_dial1->read(); return res; } //------------------------------------------------- // in1_r //------------------------------------------------- READ8_MEMBER(neogeo_dial_device::in1_r) { uint8_t res = 0; if (m_ctrl_sel & 0x01) res = m_joy2->read(); else res = m_dial2->read(); return res; } //------------------------------------------------- // write_ctrlsel //------------------------------------------------- void neogeo_dial_device::write_ctrlsel(uint8_t data) { m_ctrl_sel = data; } //------------------------------------------------- // read_start_sel //------------------------------------------------- uint8_t neogeo_dial_device::read_start_sel() { return m_ss->read(); }