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author arbee <rb6502@users.noreply.github.com>2020-08-16 14:59:44 -0400
committer arbee <rb6502@users.noreply.github.com>2020-08-16 14:59:44 -0400
commit9006bf69c1c1e7dd904f58cc797ba36c09ec1fa9 (patch)
tree1a70b689309d198ca5ed522b2aa7dbdb8c86a51a /src/devices/bus/a2gameio/gizmo.cpp
parent9ee3de7b1f5d8d68d06650ef1d77697000ad494e (diff)
apple2: added HAL Labs Gizmo digital joystick adapter [R. Belmont, Golden Child]
Diffstat (limited to 'src/devices/bus/a2gameio/gizmo.cpp')
-rw-r--r--src/devices/bus/a2gameio/gizmo.cpp75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/devices/bus/a2gameio/gizmo.cpp b/src/devices/bus/a2gameio/gizmo.cpp
new file mode 100644
index 00000000000..b3ffa9ea614
--- /dev/null
+++ b/src/devices/bus/a2gameio/gizmo.cpp
@@ -0,0 +1,75 @@
+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/*********************************************************************
+
+ gizmo.cpp - HAL Labs Gizmo digital joystick adapter
+ Used by Vindicator and Super Taxman 2.
+
+*********************************************************************/
+
+#include "emu.h"
+#include "bus/a2gameio/gizmo.h"
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+// device type definition
+DEFINE_DEVICE_TYPE(APPLE2_GIZMO, apple2_gizmo_device, "a2gizmo", "HAL Labs Gizmo")
+
+//**************************************************************************
+// INPUT PORTS
+//**************************************************************************
+
+static INPUT_PORTS_START( apple2_gizmo )
+ PORT_START("joystick_p1")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP )
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT )
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN )
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT )
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
+INPUT_PORTS_END
+
+//**************************************************************************
+// DEVICE IMPLEMENTATION
+//**************************************************************************
+
+apple2_gizmo_device::apple2_gizmo_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : device_t(mconfig, APPLE2_GIZMO, tag, owner, clock)
+ , device_a2gameio_interface(mconfig, *this)
+ , m_player1(*this, "joystick_p1")
+{
+}
+
+ioport_constructor apple2_gizmo_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME(apple2_gizmo);
+}
+
+void apple2_gizmo_device::device_start()
+{
+ save_item(NAME(m_an0));
+ save_item(NAME(m_an1));
+ save_item(NAME(m_an2));
+}
+
+READ_LINE_MEMBER(apple2_gizmo_device::sw0_r)
+{
+ static const int gizmo_bits[8] = { 1,3,2,0,4,5,5,5 };
+ return BIT(m_player1->read(),gizmo_bits[m_an0+(m_an1<<1)+(m_an2<<2)]);
+}
+
+WRITE_LINE_MEMBER(apple2_gizmo_device::an0_w)
+{
+ m_an0 = state;
+}
+
+WRITE_LINE_MEMBER(apple2_gizmo_device::an1_w)
+{
+ m_an1 = state;
+}
+
+WRITE_LINE_MEMBER(apple2_gizmo_device::an2_w)
+{
+ m_an2 = state;
+}