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-rw-r--r--src/devices/bus/bbc/analogue/bitstik.cpp143
1 files changed, 143 insertions, 0 deletions
diff --git a/src/devices/bus/bbc/analogue/bitstik.cpp b/src/devices/bus/bbc/analogue/bitstik.cpp
new file mode 100644
index 00000000000..42d8fff9504
--- /dev/null
+++ b/src/devices/bus/bbc/analogue/bitstik.cpp
@@ -0,0 +1,143 @@
+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+ Acorn ANF04 Bitstik
+
+ http://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Acorn_BitStik.html
+
+ Robocom Bitstik 2
+
+**********************************************************************/
+
+#include "emu.h"
+#include "bitstik.h"
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(BBC_BITSTIK1, bbc_bitstik1_device, "bbc_bitstik1", "Acorn Bitstik")
+DEFINE_DEVICE_TYPE(BBC_BITSTIK2, bbc_bitstik2_device, "bbc_bitstik2", "Robo Bitstik 2")
+
+//-------------------------------------------------
+// ROM( bitstik )
+//-------------------------------------------------
+
+ROM_START(bitstik1)
+ ROM_REGION(0x4000, "rom", 0)
+ ROM_LOAD("bitstik1.rom", 0x0000, 0x2000, CRC(a3c539f8) SHA1(c6f2cf2f6d1e48819a8381c6a1c97ca8fa5ab117))
+ ROM_RELOAD(0x2000, 0x2000)
+ROM_END
+
+ROM_START(bitstik2)
+ ROM_REGION(0x4000, "rom", 0)
+ ROM_LOAD("bitstik2.rom", 0x0000, 0x2000, CRC(a2b5a743) SHA1(4d0040af6bdc6a587e42d4aa36d528b768cf9549))
+ ROM_RELOAD(0x2000, 0x2000)
+ROM_END
+
+//-------------------------------------------------
+// INPUT_PORTS( bitstik )
+//-------------------------------------------------
+
+static INPUT_PORTS_START(bitstik)
+ PORT_START("CHANNEL0")
+ PORT_BIT(0xff, 0x00, IPT_AD_STICK_X) PORT_MINMAX(0x00, 0xff) PORT_SENSITIVITY(25) PORT_KEYDELTA(200) PORT_NAME("AD Stick X") PORT_REVERSE
+
+ PORT_START("CHANNEL1")
+ PORT_BIT(0xff, 0x00, IPT_AD_STICK_Y) PORT_MINMAX(0x00, 0xff) PORT_SENSITIVITY(25) PORT_KEYDELTA(200) PORT_NAME("AD Stick Y") PORT_REVERSE
+
+ PORT_START("CHANNEL2")
+ PORT_BIT(0xff, 0x00, IPT_AD_STICK_Z) PORT_MINMAX(0x00, 0xff) PORT_SENSITIVITY(25) PORT_KEYDELTA(200) PORT_NAME("AD Stick Z") PORT_REVERSE
+
+ PORT_START("CHANNEL3")
+ PORT_BIT(0xff, IP_ACTIVE_HIGH, IPT_BUTTON3) PORT_NAME("Right Button - Release")
+
+ PORT_START("BUTTONS")
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("Top Button - Execute")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_NAME("Left Button - Confirm")
+INPUT_PORTS_END
+
+//-------------------------------------------------
+// input_ports - device-specific input ports
+//-------------------------------------------------
+
+ioport_constructor bbc_bitstik_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME(bitstik);
+}
+
+//-------------------------------------------------
+// rom_region - device-specific ROM region
+//-------------------------------------------------
+
+const tiny_rom_entry *bbc_bitstik1_device::device_rom_region() const
+{
+ return ROM_NAME(bitstik1);
+}
+
+const tiny_rom_entry *bbc_bitstik2_device::device_rom_region() const
+{
+ return ROM_NAME(bitstik2);
+}
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// bbc_bitstik_device - constructor
+//-------------------------------------------------
+
+bbc_bitstik_device::bbc_bitstik_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) :
+ device_t(mconfig, type, tag, owner, clock),
+ device_bbc_analogue_interface(mconfig, *this),
+ m_channel(*this, "CHANNEL%u", 0),
+ m_buttons(*this, "BUTTONS"),
+ m_rom(*this, "rom")
+{
+}
+
+bbc_bitstik1_device::bbc_bitstik1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ bbc_bitstik_device(mconfig, BBC_BITSTIK1, tag, owner, clock)
+{
+}
+
+bbc_bitstik2_device::bbc_bitstik2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ bbc_bitstik_device(mconfig, BBC_BITSTIK2, tag, owner, clock)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void bbc_bitstik_device::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void bbc_bitstik_device::device_reset()
+{
+ machine().root_device().membank("bank4")->configure_entry(13, memregion("rom")->base());
+}
+
+
+//**************************************************************************
+// IMPLEMENTATION
+//**************************************************************************
+
+uint8_t bbc_bitstik_device::ch_r(int channel)
+{
+ return m_channel[channel]->read();
+}
+
+uint8_t bbc_bitstik_device::pb_r()
+{
+ return m_buttons->read() & 0x30;
+}