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// license:BSD-3-Clause
// copyright-holders:Carl
//TODO: determine when to switch modes and add single bit mode
#include "emu.h"
#include "pc_joy_sw.h"
DEFINE_DEVICE_TYPE(PC_MSSW_PAD, pc_mssw_pad_device, "mssw_pad", "Microsoft Sidewinder Pad")
pc_mssw_pad_device::pc_mssw_pad_device(const machine_config& mconfig, const char* tag, device_t* owner, uint32_t clock) :
device_t(mconfig, PC_MSSW_PAD, tag, owner, clock),
device_pc_joy_interface(mconfig, *this),
m_btn1(*this, "btn1"),
m_btn2(*this, "btn2"),
m_btn3(*this, "btn3"),
m_btn4(*this, "btn4"),
m_conf(*this, "CONFIG"),
m_timer(nullptr),
m_count(0),
m_state(0),
m_active(false)
{
}
void pc_mssw_pad_device::device_start()
{
m_timer = timer_alloc(FUNC(pc_mssw_pad_device::timer_tick), this);
}
void pc_mssw_pad_device::device_reset()
{
m_count = 0;
m_state = 0xf;
m_active = false;
m_timer->adjust(attotime::never, 0);
}
TIMER_CALLBACK_MEMBER(pc_mssw_pad_device::timer_tick)
{
uint16_t pad_state = 0;
// only multibit mode for now
if(m_count == -1)
{
reset();
return;
}
if((m_count / 5) > m_conf->read())
{
m_timer->adjust(attotime::from_usec(50), 0);
m_state &= ~1;
m_count = -1;
return;
}
if(m_state & 1)
{
m_state &= ~1;
return;
}
switch(m_count / 5)
{
case 0:
pad_state = m_btn1->read();
break;
case 1:
pad_state = m_btn2->read();
break;
case 2:
pad_state = m_btn3->read();
break;
case 3:
pad_state = m_btn4->read();
break;
}
switch(m_count % 5)
{
case 0:
m_state = ((pad_state & 7) << 1) | 1;
break;
case 1:
m_state = ((pad_state & 0x38) >> 2) | 1;
break;
case 2:
m_state = ((pad_state & 0x1c0) >> 5) | 1;
break;
case 3:
m_state = ((pad_state & 0xe00) >> 8) | 1;
break;
case 4:
{
uint8_t parity = (pad_state >> 8) ^ pad_state;
parity = (parity >> 4) ^ parity;
parity = (parity >> 2) ^ parity;
parity = (((parity >> 1) ^ parity) & 1);
m_state = ((pad_state & 0x3000) >> 11) | (parity << 3) | 1;
break;
}
}
m_count++;
}
static INPUT_PORTS_START( sidewinder_pad )
PORT_START("btn1")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("A")
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("B")
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("C")
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("X")
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Y")
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("Z")
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_NAME("L")
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_NAME("R")
PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON9 ) PORT_NAME("Start")
PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON10 ) PORT_NAME("M")
PORT_BIT( 0xc000, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("btn2")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("A") PORT_PLAYER(2)
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("B") PORT_PLAYER(2)
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("C") PORT_PLAYER(2)
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("X") PORT_PLAYER(2)
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Y") PORT_PLAYER(2)
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("Z") PORT_PLAYER(2)
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_NAME("L") PORT_PLAYER(2)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_NAME("R") PORT_PLAYER(2)
PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON9 ) PORT_NAME("Start") PORT_PLAYER(2)
PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON10 ) PORT_NAME("M") PORT_PLAYER(2)
PORT_BIT( 0xc000, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("btn3")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(3)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(3)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(3)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(3)
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("A") PORT_PLAYER(3)
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("B") PORT_PLAYER(3)
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("C") PORT_PLAYER(3)
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("X") PORT_PLAYER(3)
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Y") PORT_PLAYER(3)
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("Z") PORT_PLAYER(3)
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_NAME("L") PORT_PLAYER(3)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_NAME("R") PORT_PLAYER(3)
PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON9 ) PORT_NAME("Start") PORT_PLAYER(3)
PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON10 ) PORT_NAME("M") PORT_PLAYER(3)
PORT_BIT( 0xc000, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("btn4")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(4)
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(4)
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(4)
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(4)
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("A") PORT_PLAYER(4)
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("B") PORT_PLAYER(4)
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("C") PORT_PLAYER(4)
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("X") PORT_PLAYER(4)
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Y") PORT_PLAYER(4)
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("Z") PORT_PLAYER(4)
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_NAME("L") PORT_PLAYER(4)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_NAME("R") PORT_PLAYER(4)
PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON9 ) PORT_NAME("Start") PORT_PLAYER(4)
PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON10 ) PORT_NAME("M") PORT_PLAYER(4)
PORT_BIT( 0xc000, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("CONFIG")
PORT_CONFNAME(0x03, 0x00, "Number of Sidewinder Pads")
PORT_CONFSETTING( 0x00, "1")
PORT_CONFSETTING( 0x01, "2")
PORT_CONFSETTING( 0x02, "3")
PORT_CONFSETTING( 0x03, "4")
INPUT_PORTS_END
ioport_constructor pc_mssw_pad_device::device_input_ports() const
{
return INPUT_PORTS_NAME( sidewinder_pad );
}
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