mirror of
https://github.com/holub/mame
synced 2025-05-29 17:13:05 +03:00
112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
/**********************************************************************
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Starbyte Software Tie Break Adaptor emulation
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http://hitmen.c02.at/html/hardware.html
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Copyright MESS Team.
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Visit http://mamedev.org for licensing and usage restrictions.
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**********************************************************************/
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#include "c64_4tba.h"
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type C64_4TBA = &device_creator<c64_4tba_device>;
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INPUT_CHANGED_MEMBER( c64_4tba_device::fire3 )
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{
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m_slot->sp2_w(newval);
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}
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static INPUT_PORTS_START( c64_4player )
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PORT_START("SP2")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_CHANGED_MEMBER(DEVICE_SELF, c64_4tba_device, fire3, 0)
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PORT_START("PB")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1)
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2)
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PORT_START("PA2")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
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INPUT_PORTS_END
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//-------------------------------------------------
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// input_ports - device-specific input ports
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//-------------------------------------------------
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ioport_constructor c64_4tba_device::device_input_ports() const
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{
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return INPUT_PORTS_NAME( c64_4player );
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// c64_4tba_device - constructor
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//-------------------------------------------------
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c64_4tba_device::c64_4tba_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, C64_4TBA, "C64 Tie Break Adapter", tag, owner, clock),
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device_c64_user_port_interface(mconfig, *this),
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m_pb(*this, "PB"),
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m_pa2(*this, "PA2")
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void c64_4tba_device::device_start()
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{
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}
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//-------------------------------------------------
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// c64_pb_r - port B read
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//-------------------------------------------------
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UINT8 c64_4tba_device::c64_pb_r(address_space &space, offs_t offset)
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{
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return m_pb->read();
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}
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//-------------------------------------------------
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// c64_pb_w - port B write
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//-------------------------------------------------
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int c64_4tba_device::c64_pa2_r()
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{
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return BIT(m_pa2->read(), 0);
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}
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//-------------------------------------------------
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// c64_cnt1_w - CNT 1 write
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//-------------------------------------------------
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void c64_4tba_device::c64_cnt1_w(int level)
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{
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m_slot->cnt2_w(level);
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}
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