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/*************************************************************************
*
* pc_joy.h
*
* joystick port
*
*************************************************************************/
#include "emu.h"
#include "pc_joy.h"
READ8_MEMBER ( pc_joy_device::joy_port_r )
{
UINT8 data = 0xf;
int delta;
attotime new_time = machine().time();
delta = ((new_time - m_stime) * 256 * 1000).seconds;
data = m_btn->read() ^ 0xf0;
/* timer overflow? Nope, otherwise some HWs can't verify the port properly */
//if ((new_time - JOY_time) > attotime::from_msec(10))
//{
//}
//else
if (m_x1->read() < delta) data &= ~0x01;
if (m_y1->read() < delta) data &= ~0x02;
if (m_x2->read() < delta) data &= ~0x04;
if (m_y2->read() < delta) data &= ~0x08;
return data;
}
WRITE8_MEMBER ( pc_joy_device::joy_port_w )
{
m_stime = machine().time();
}
static INPUT_PORTS_START( pc_joystick )
PORT_START("btn")
PORT_BIT ( 0xf, 0xf, IPT_UNUSED )
PORT_BIT( 0x0010, 0x0000, IPT_BUTTON1) PORT_NAME("Joystick 1 Button 1")
PORT_BIT( 0x0020, 0x0000, IPT_BUTTON2) PORT_NAME("Joystick 1 Button 2")
PORT_BIT( 0x0040, 0x0000, IPT_BUTTON1) PORT_NAME("Joystick 2 Button 1") PORT_CODE(JOYCODE_BUTTON1) PORT_PLAYER(2)
PORT_BIT( 0x0080, 0x0000, IPT_BUTTON2) PORT_NAME("Joystick 2 Button 2") PORT_CODE(JOYCODE_BUTTON2) PORT_PLAYER(2)
PORT_START("x1")
PORT_BIT(0xff,0x80,IPT_AD_STICK_X) PORT_SENSITIVITY(100) PORT_KEYDELTA(1) PORT_MINMAX(1,0xff) PORT_CODE_DEC(KEYCODE_LEFT) PORT_CODE_INC(KEYCODE_RIGHT) PORT_CODE_DEC(JOYCODE_X_LEFT_SWITCH) PORT_CODE_INC(JOYCODE_X_RIGHT_SWITCH)
PORT_START("y1")
PORT_BIT(0xff,0x80,IPT_AD_STICK_Y) PORT_SENSITIVITY(100) PORT_KEYDELTA(1) PORT_MINMAX(1,0xff) PORT_CODE_DEC(KEYCODE_UP) PORT_CODE_INC(KEYCODE_DOWN) PORT_CODE_DEC(JOYCODE_Y_UP_SWITCH) PORT_CODE_INC(JOYCODE_Y_DOWN_SWITCH)
PORT_START("x2")
PORT_BIT(0xff,0x80,IPT_AD_STICK_X) PORT_SENSITIVITY(100) PORT_KEYDELTA(1) PORT_MINMAX(1,0xff) PORT_CODE_DEC(JOYCODE_X_LEFT_SWITCH) PORT_CODE_INC(JOYCODE_X_RIGHT_SWITCH) PORT_PLAYER(2)
PORT_START("y2")
PORT_BIT(0xff,0x80,IPT_AD_STICK_Y) PORT_SENSITIVITY(100) PORT_KEYDELTA(1) PORT_MINMAX(1,0xff) PORT_CODE_DEC(JOYCODE_Y_UP_SWITCH) PORT_CODE_INC(JOYCODE_Y_DOWN_SWITCH) PORT_PLAYER(2)
INPUT_PORTS_END
const device_type PC_JOY = &device_creator<pc_joy_device>;
pc_joy_device::pc_joy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, PC_JOY, "PC joystick", tag, owner, clock),
m_btn(*this, "btn"),
m_x1(*this, "x1"),
m_y1(*this, "y1"),
m_x2(*this, "x2"),
m_y2(*this, "y2")
{
}
ioport_constructor pc_joy_device::device_input_ports() const
{
return INPUT_PORTS_NAME( pc_joystick );
}
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