/********************************************************************** Starbyte Software Tie Break Adaptor emulation http://hitmen.c02.at/html/hardware.html Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #include "c64_4tba.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** const device_type C64_4TBA = &device_creator; //------------------------------------------------- // INPUT_PORTS( c64_4tba ) //------------------------------------------------- static INPUT_PORTS_START( c64_4tba ) PORT_START("SP2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF_OWNER, c64_user_port_device, cia_sp2_w) PORT_START("PB") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) PORT_START("PA2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) INPUT_PORTS_END //------------------------------------------------- // input_ports - device-specific input ports //------------------------------------------------- ioport_constructor c64_4tba_device::device_input_ports() const { return INPUT_PORTS_NAME( c64_4tba ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // c64_4tba_device - constructor //------------------------------------------------- c64_4tba_device::c64_4tba_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, C64_4TBA, "C64 Tie Break Adapter", tag, owner, clock), device_c64_user_port_interface(mconfig, *this), m_pb(*this, "PB"), m_pa2(*this, "PA2") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void c64_4tba_device::device_start() { } //------------------------------------------------- // c64_pb_r - port B read //------------------------------------------------- UINT8 c64_4tba_device::c64_pb_r(address_space &space, offs_t offset) { return m_pb->read(); } //------------------------------------------------- // c64_pb_w - port B write //------------------------------------------------- int c64_4tba_device::c64_pa2_r() { return BIT(m_pa2->read(), 0); } //------------------------------------------------- // c64_cnt1_w - CNT 1 write //------------------------------------------------- void c64_4tba_device::c64_cnt1_w(int level) { m_slot->cia_cnt2_w(level); }