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-rw-r--r--src/devices/bus/pet/petuja.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/src/devices/bus/pet/petuja.c b/src/devices/bus/pet/petuja.c
new file mode 100644
index 00000000000..4bc335e7dab
--- /dev/null
+++ b/src/devices/bus/pet/petuja.c
@@ -0,0 +1,105 @@
+// license:BSD-3-Clause
+// copyright-holders:smf
+/**********************************************************************
+
+ Commodore PET userport joystick adapter emulation
+
+ http://zimmers.net/cbmpics/cbm/PETx/petfaq.html
+
+**********************************************************************/
+
+#include "petuja.h"
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type PET_USERPORT_JOYSTICK_ADAPTER = &device_creator<pet_userport_joystick_adapter_device>;
+
+
+//-------------------------------------------------
+// INPUT_PORTS( petuja )
+//-------------------------------------------------
+
+static INPUT_PORTS_START( petuja )
+ PORT_START("JOY")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, pet_userport_joystick_adapter_device, write_up1)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, pet_userport_joystick_adapter_device, write_down1)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, device_pet_user_port_interface, output_e)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, device_pet_user_port_interface, output_f)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, pet_userport_joystick_adapter_device, write_up2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, pet_userport_joystick_adapter_device, write_down2)
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, device_pet_user_port_interface, output_k)
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, device_pet_user_port_interface, output_l)
+
+ PORT_START("FIRE")
+ PORT_BIT( 0x03, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, pet_userport_joystick_adapter_device, write_fire1)
+ PORT_BIT( 0x30, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF, pet_userport_joystick_adapter_device, write_fire2)
+INPUT_PORTS_END
+
+
+//-------------------------------------------------
+// input_ports - device-specific input ports
+//-------------------------------------------------
+
+ioport_constructor pet_userport_joystick_adapter_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME( petuja );
+}
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// pet_userport_joystick_adapter_device - constructor
+//-------------------------------------------------
+
+pet_userport_joystick_adapter_device::pet_userport_joystick_adapter_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, PET_USERPORT_JOYSTICK_ADAPTER, "PET Userport Joystick Adapter", tag, owner, clock, "petuja", __FILE__),
+ device_pet_user_port_interface(mconfig, *this),
+ m_up1(1),
+ m_down1(1),
+ m_fire1(1),
+ m_up2(1),
+ m_down2(1),
+ m_fire2(1)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void pet_userport_joystick_adapter_device::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// update_port1
+//-------------------------------------------------
+
+void pet_userport_joystick_adapter_device::update_port1()
+{
+ printf( "update port1\n" );
+ output_c(m_up1 && m_fire1);
+ output_d(m_down1 && m_fire1);
+}
+
+
+//-------------------------------------------------
+// update_port2
+//-------------------------------------------------
+
+void pet_userport_joystick_adapter_device::update_port2()
+{
+ printf( "update port2\n" );
+ output_h(m_up2 && m_fire2);
+ output_j(m_down2 && m_fire2);
+}