diff options
Diffstat (limited to 'src/emu/bus/nes_ctrl/powerpad.c')
-rw-r--r-- | src/emu/bus/nes_ctrl/powerpad.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/emu/bus/nes_ctrl/powerpad.c b/src/emu/bus/nes_ctrl/powerpad.c new file mode 100644 index 00000000000..ba3a5795b43 --- /dev/null +++ b/src/emu/bus/nes_ctrl/powerpad.c @@ -0,0 +1,136 @@ +/********************************************************************** + + Nintendo Entertainment System - Bandai Power Pad + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#include "powerpad.h" + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type NES_POWERPAD = &device_creator<nes_powerpad_device>; + + +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 clock) : + device_t(mconfig, NES_POWERPAD, "Bandai Power Pad", tag, owner, clock, "nes_powerpad", __FILE__), + 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 nes_powerpad_device::read_bit34() +{ + UINT8 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 data) +{ + if (data & 0x01) + return; + + m_latch[0] = m_ipt1->read(); + m_latch[1] = m_ipt2->read() | 0xf0; +} |