bbcb: Added the Robin Voice Box device.

scripts/src/bus.lua

@@ -558,6 +558,8 @@ if (BUSES["BBC_USERPORT"]~=null) then
 		MAME_DIR .. "src/devices/bus/bbc/userport/pointer.h",
 		MAME_DIR .. "src/devices/bus/bbc/userport/usersplit.cpp",
 		MAME_DIR .. "src/devices/bus/bbc/userport/usersplit.h",
+		MAME_DIR .. "src/devices/bus/bbc/userport/voicebox.cpp",
+		MAME_DIR .. "src/devices/bus/bbc/userport/voicebox.h",
 		MAME_DIR .. "src/devices/bus/bbc/userport/cfa3000kbd.cpp",
 		MAME_DIR .. "src/devices/bus/bbc/userport/cfa3000kbd.h",
 	}

src/devices/bus/bbc/userport/userport.cpp

@@ -108,8 +108,11 @@ void bbc_userport_slot_device::pb_w(uint8_t data)
 // slot devices
 #include "beebspch.h"
 //#include "digitiser.h"
+//#include "ev1.h"
 #include "pointer.h"
 #include "usersplit.h"
+//#include "vci.h"
+#include "voicebox.h"
 #include "cfa3000kbd.h"
 
 
@@ -119,9 +122,13 @@ void bbc_userport_devices(device_slot_interface &device)
 	//device.option_add("atr",        BBC_ATR);             /* Advanced Teletext Receiver (GIS) */
 	device.option_add("beebspch",   BBC_BEEBSPCH);        /* Beeb Speech Synthesiser (Watford Electronics) */
 	//device.option_add("beebvdig",   BBC_BEEBVDIG);        /* Beeb Video Digitiser (Watford Electronics) */
+	//device.option_add("ev1",        BBC_EV1);             /* Micro-Robotics EV1 */
+	//device.option_add("hobbit",     BBC_HOBBIT);          /* Hobbit Floppy Tape System (Ikon) */
 	device.option_add("m512mouse",  BBC_M512MOUSE);       /* Acorn Mouse (provided with Master 512) */
 	device.option_add("tracker",    BBC_TRACKER);         /* Marconi RB2 Tracker Ball / Acorn Tracker Ball */
 	device.option_add("usersplit",  BBC_USERSPLIT);       /*User Port Splitter (Watford Electronics) */
+	//device.option_add("vci",        BBC_VCI);             /* Video Camera Interface (Data Harvest) */
+	device.option_add("voicebox",   BBC_VOICEBOX);        /* Robin Voice Box */
 	//device.option_add("music4000",  BBC_MUSIC4000);       /* Hybrid Music 4000 Keyboard */
 	device.option_add("cfa3000kbd", CFA3000_KBD);         /* Henson CFA 3000 Keyboard */
 }

src/devices/bus/bbc/userport/voicebox.cpp

@@ -0,0 +1,91 @@
+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+    Robin Voice Box - The Educational Software Company
+
+**********************************************************************/
+
+
+#include "emu.h"
+#include "voicebox.h"
+#include "speaker.h"
+
+
+//**************************************************************************
+//  DEVICE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(BBC_VOICEBOX, bbc_voicebox_device, "bbc_voicebox", "Robin Voice Box")
+
+
+ROM_START(voicebox)
+	ROM_REGION(0x10000, "sp0256", 0)
+	ROM_LOAD("sp0256a-al2.bin", 0x1000, 0x0800, CRC(b504ac15) SHA1(e60fcb5fa16ff3f3b69d36c7a6e955744d3feafc))
+ROM_END
+
+//-------------------------------------------------
+//  rom_region - device-specific ROM region
+//-------------------------------------------------
+
+const tiny_rom_entry *bbc_voicebox_device::device_rom_region() const
+{
+	return ROM_NAME(voicebox);
+}
+
+//-------------------------------------------------
+//  device_add_mconfig - add device configuration
+//-------------------------------------------------
+
+void bbc_voicebox_device::device_add_mconfig(machine_config &config)
+{
+	SPEAKER(config, "mono").front_center();
+	SP0256(config, m_nsp, 3120000); // TODO: unknown crystal
+	m_nsp->data_request_callback().set(FUNC(bbc_voicebox_device::cb1_w));
+	m_nsp->standby_callback().set(FUNC(bbc_voicebox_device::cb2_w));
+	m_nsp->add_route(ALL_OUTPUTS, "mono", 1.0);
+}
+
+
+//**************************************************************************
+//  LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+//  bbc_voicebox_device - constructor
+//-------------------------------------------------
+
+bbc_voicebox_device::bbc_voicebox_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+	: device_t(mconfig, BBC_VOICEBOX, tag, owner, clock)
+	, device_bbc_userport_interface(mconfig, *this)
+	, m_nsp(*this, "sp0256")
+{
+}
+
+
+//-------------------------------------------------
+//  device_start - device-specific startup
+//-------------------------------------------------
+
+void bbc_voicebox_device::device_start()
+{
+}
+
+//**************************************************************************
+//  IMPLEMENTATION
+//**************************************************************************
+
+void bbc_voicebox_device::pb_w(uint8_t data)
+{
+	m_nsp->ald_w(data & 0x3f);
+}
+
+WRITE_LINE_MEMBER(bbc_voicebox_device::cb1_w)
+{
+	m_slot->cb1_w(state);
+}
+
+WRITE_LINE_MEMBER(bbc_voicebox_device::cb2_w)
+{
+	m_slot->cb2_w(state);
+}

src/devices/bus/bbc/userport/voicebox.h

@@ -0,0 +1,52 @@
+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+    Robin Voice Box - The Educational Software Company
+
+**********************************************************************/
+
+#ifndef MAME_BUS_BBC_USERPORT_VOICEBOX_H
+#define MAME_BUS_BBC_USERPORT_VOICEBOX_H
+
+#include "userport.h"
+#include "sound/sp0256.h"
+
+
+//**************************************************************************
+//  TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> bbc_voicebox_device
+
+class bbc_voicebox_device :
+	public device_t,
+	public device_bbc_userport_interface
+{
+public:
+	// construction/destruction
+	bbc_voicebox_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+	DECLARE_WRITE_LINE_MEMBER(cb1_w);
+	DECLARE_WRITE_LINE_MEMBER(cb2_w);
+
+protected:
+	// device-level overrides
+	virtual void device_start() override;
+
+	// optional information overrides
+	virtual void device_add_mconfig(machine_config &config) override;
+	virtual const tiny_rom_entry *device_rom_region() const override;
+
+	virtual void pb_w(uint8_t data) override;
+
+private:
+	required_device<sp0256_device> m_nsp;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(BBC_VOICEBOX, bbc_voicebox_device)
+
+
+#endif // MAME_BUS_BBC_USERPORT_VOICEBOX_H