89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
// license:BSD-3-Clause
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// copyright-holders:Curt Coder
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/**********************************************************************
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Atari Video Computer System lightpen emulation
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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 "lightpen.h"
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type VCS_LIGHTPEN = &device_creator<vcs_lightpen_device>;
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INPUT_CHANGED_MEMBER( vcs_lightpen_device::trigger )
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{
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// TODO trigger timer at correct screen position
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m_port->trigger_w(newval);
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}
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static INPUT_PORTS_START( vcs_lightpen )
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PORT_START("JOY")
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, vcs_lightpen_device, trigger, 0)
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PORT_BIT( 0xdf, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_START("LIGHTX")
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PORT_BIT( 0xff, 0x00, IPT_LIGHTGUN_X) PORT_CROSSHAIR(X, 1.0, 0.0, 0) PORT_SENSITIVITY(45) PORT_KEYDELTA(15)
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PORT_START("LIGHTY")
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PORT_BIT( 0xff, 0x00, IPT_LIGHTGUN_Y) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_SENSITIVITY(45) PORT_KEYDELTA(15)
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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 vcs_lightpen_device::device_input_ports() const
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{
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return INPUT_PORTS_NAME( vcs_lightpen );
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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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// vcs_lightpen_device - constructor
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//-------------------------------------------------
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vcs_lightpen_device::vcs_lightpen_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, VCS_LIGHTPEN, "Atari / CBM Light Pen", tag, owner, clock, "vcs_lightpen", __FILE__),
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device_vcs_control_port_interface(mconfig, *this),
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m_joy(*this, "JOY"),
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m_lightx(*this, "LIGHTX"),
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m_lighty(*this, "LIGHTY")
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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 vcs_lightpen_device::device_start()
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{
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}
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//-------------------------------------------------
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// vcs_joy_r - lightpen read
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//-------------------------------------------------
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UINT8 vcs_lightpen_device::vcs_joy_r()
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{
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return m_joy->read();
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}
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