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Diffstat (limited to 'src/devices/bus/pc_joy/pc_joy_sw.c')
-rw-r--r--src/devices/bus/pc_joy/pc_joy_sw.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/src/devices/bus/pc_joy/pc_joy_sw.c b/src/devices/bus/pc_joy/pc_joy_sw.c
new file mode 100644
index 00000000000..ebfb1af785b
--- /dev/null
+++ b/src/devices/bus/pc_joy/pc_joy_sw.c
@@ -0,0 +1,177 @@
+// license:BSD-3-Clause
+// copyright-holders:Carl
+//TODO: determine when to switch modes and add single bit mode
+
+#include "pc_joy_sw.h"
+
+const device_type PC_MSSW_PAD = &device_creator<pc_mssw_pad_device>;
+
+pc_mssw_pad_device::pc_mssw_pad_device(const machine_config& mconfig, const char* tag, device_t* owner, UINT32 clock) :
+ device_t(mconfig, PC_MSSW_PAD, "Microsoft Sidewinder Pad", tag, owner, clock, "mssw_pad", __FILE__),
+ 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")
+{
+}
+
+void pc_mssw_pad_device::device_start()
+{
+ m_timer = timer_alloc();
+}
+
+void pc_mssw_pad_device::device_reset()
+{
+ m_count = 0;
+ m_state = 0xf;
+ m_active = false;
+ m_timer->adjust(attotime::never, 0);
+}
+
+void pc_mssw_pad_device::device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr)
+{
+ UINT16 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 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 );
+}