// license:BSD-3-Clause // copyright-holders:Fabio Priuli /********************************************************************** Nintendo Entertainment System - Bandai Power Pad **********************************************************************/ #include "emu.h" #include "powerpad.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** DEFINE_DEVICE_TYPE(NES_POWERPAD, nes_powerpad_device, "nes_powerpad", "Bandai Power Pad") static INPUT_PORTS_START( nes_powerpad ) PORT_START("LAYOUT") PORT_CONFNAME( 0x01, 0x00, "Power Pad Button Layout") PORT_CONFSETTING( 0x00, "Side A" ) PORT_CONFSETTING( 0x01, "Side B" ) // difference between the two sides is that we mirror the key mapping to match the real pad layout! PORT_START("POWERPAD1") // side A layout PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad Top1") PORT_CODE(KEYCODE_Y) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad Mid1") PORT_CODE(KEYCODE_J) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad Mid2") PORT_CODE(KEYCODE_H) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad Low1") PORT_CODE(KEYCODE_N) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad Low2") PORT_CODE(KEYCODE_B) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad Mid3") PORT_CODE(KEYCODE_G) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) // side B layout PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad 2") PORT_CODE(KEYCODE_T) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad 1") PORT_CODE(KEYCODE_R) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad 5") PORT_CODE(KEYCODE_F) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad 9") PORT_CODE(KEYCODE_V) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad 6") PORT_CODE(KEYCODE_G) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad 10") PORT_CODE(KEYCODE_B) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad 11") PORT_CODE(KEYCODE_N) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad 7") PORT_CODE(KEYCODE_H) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) PORT_START("POWERPAD2") // side A layout PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad Top2") PORT_CODE(KEYCODE_T) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad Mid4") PORT_CODE(KEYCODE_F) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x00) // side B layout PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad 4") PORT_CODE(KEYCODE_U) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad 3") PORT_CODE(KEYCODE_Y) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad 12") PORT_CODE(KEYCODE_M) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("PowerPad 8") PORT_CODE(KEYCODE_J) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_CONDITION("LAYOUT", 0x01, EQUALS, 0x01) INPUT_PORTS_END //------------------------------------------------- // input_ports - device-specific input ports //------------------------------------------------- ioport_constructor nes_powerpad_device::device_input_ports() const { return INPUT_PORTS_NAME( nes_powerpad ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // nes_powerpad_device - constructor //------------------------------------------------- nes_powerpad_device::nes_powerpad_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, NES_POWERPAD, tag, owner, clock), device_nes_control_port_interface(mconfig, *this), m_ipt1(*this, "POWERPAD1"), m_ipt2(*this, "POWERPAD2") { } //------------------------------------------------- // device_start //------------------------------------------------- void nes_powerpad_device::device_start() { save_item(NAME(m_latch)); } //------------------------------------------------- // device_reset //------------------------------------------------- void nes_powerpad_device::device_reset() { m_latch[0] = 0; m_latch[1] = 0; } //------------------------------------------------- // read //------------------------------------------------- uint8_t nes_powerpad_device::read_bit34() { uint8_t ret = 0; ret |= (m_latch[0] & 0x01) << 3; ret |= (m_latch[1] & 0x01) << 4; m_latch[0] >>= 1; m_latch[1] >>= 1; return ret; } //------------------------------------------------- // write //------------------------------------------------- void nes_powerpad_device::write(uint8_t data) { if (data & 0x01) return; m_latch[0] = m_ipt1->read(); m_latch[1] = m_ipt2->read() | 0xf0; }