diff --git a/scripts/src/bus.lua b/scripts/src/bus.lua
index 327ab42b75d..ed66b0cf67d 100644
--- a/scripts/src/bus.lua
+++ b/scripts/src/bus.lua
@@ -396,6 +396,8 @@ if (BUSES["BBC_ROM"]~=null) then
 		MAME_DIR .. "src/devices/bus/bbc/rom/ram.h",
 		MAME_DIR .. "src/devices/bus/bbc/rom/dfs.cpp",
 		MAME_DIR .. "src/devices/bus/bbc/rom/dfs.h",
+		MAME_DIR .. "src/devices/bus/bbc/rom/genie.cpp",
+		MAME_DIR .. "src/devices/bus/bbc/rom/genie.h",
 		MAME_DIR .. "src/devices/bus/bbc/rom/pal.cpp",
 		MAME_DIR .. "src/devices/bus/bbc/rom/pal.h",
 		MAME_DIR .. "src/devices/bus/bbc/rom/rtc.cpp",
diff --git a/src/devices/bus/bbc/rom/genie.cpp b/src/devices/bus/bbc/rom/genie.cpp
new file mode 100644
index 00000000000..653d874525e
--- /dev/null
+++ b/src/devices/bus/bbc/rom/genie.cpp
@@ -0,0 +1,115 @@
+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+// thanks-to:Derek Mathieson (original author of Genie)
+/***************************************************************************
+
+    PMS Genie
+
+***************************************************************************/
+
+#include "emu.h"
+#include "genie.h"
+
+
+//**************************************************************************
+//  DEVICE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(BBC_PMSGENIE, bbc_pmsgenie_device, "bbc_pmsgenie", "PMS Genie ROM Board")
+
+
+//**************************************************************************
+//  LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+//  bbc_palprom_device - constructor
+//-------------------------------------------------
+
+bbc_pmsgenie_device::bbc_pmsgenie_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+	: device_t(mconfig, BBC_PMSGENIE, tag, owner, clock)
+	, device_bbc_rom_interface(mconfig, *this)
+	, m_write_latch(0)
+	, m_bank_latch(0)
+{
+}
+
+
+//-------------------------------------------------
+//  device_start - device-specific startup
+//-------------------------------------------------
+
+void bbc_pmsgenie_device::device_start()
+{
+	save_item(NAME(m_write_latch));
+	save_item(NAME(m_bank_latch));
+}
+
+//-------------------------------------------------
+//  read
+//-------------------------------------------------
+
+uint8_t bbc_pmsgenie_device::read(offs_t offset)
+{
+	uint8_t data = 0xff;
+
+	if (!machine().side_effects_disabled())
+	{
+		switch (offset >> 8)
+		{
+		case 0x1e:
+			/* &9E00-&9EFF - Write value latch */
+			m_write_latch = offset & 0xff;
+			break;
+		case 0x1f:
+			/* &9F00-&9FFF - Bank select latch
+         Bit
+         0-2: RAM bank select
+           3: Not used
+         4-5: ROM bank select
+           6: Not used
+           7: Read / NOT Write for internal RAM */
+			m_bank_latch = offset & 0xff;
+			break;
+		}
+	}
+
+	switch (offset & 0x2000)
+	{
+	case 0x0000:
+		/* &8000-&9FFF - 4 Pages of 8K ROM (32K in total) */
+		data = get_rom_base()[(offset & 0x1fff) | (m_bank_latch & 0x30) << 9];
+		break;
+
+	case 0x2000:
+		/* &A000-&BFFF - 8 Pages of 8K RAM (64K in total) */
+		if (m_bank_latch & 0x80)
+		{
+			/* RAM read */
+			if (m_bank_latch & 0x04)
+			{
+				data = get_nvram_base()[(offset & 0x1fff) | (m_bank_latch & 0x03) << 13];
+			}
+			else
+			{
+				data = get_ram_base()[(offset & 0x1fff) | (m_bank_latch & 0x03) << 13];
+			}
+		}
+		else
+		{
+			/* RAM write */
+			if (m_bank_latch & 0x04)
+			{
+				get_nvram_base()[(offset & 0x1fff) | (m_bank_latch & 0x03) << 13] = m_write_latch;
+			}
+			else
+			{
+				get_ram_base()[(offset & 0x1fff) | (m_bank_latch & 0x03) << 13] = m_write_latch;
+			}
+			data = m_write_latch;
+		}
+		break;
+	}
+
+	return data;
+}
diff --git a/src/devices/bus/bbc/rom/genie.h b/src/devices/bus/bbc/rom/genie.h
new file mode 100644
index 00000000000..82813b2b166
--- /dev/null
+++ b/src/devices/bus/bbc/rom/genie.h
@@ -0,0 +1,48 @@
+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/***************************************************************************
+
+    BBC Micro ROM carrier boards
+
+***************************************************************************/
+
+#ifndef MAME_BUS_BBC_ROM_GENIE_H
+#define MAME_BUS_BBC_ROM_GENIE_H
+
+#pragma once
+
+#include "slot.h"
+
+
+//**************************************************************************
+//  TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> bbc_genie_device
+
+class bbc_pmsgenie_device : public device_t,
+	public device_bbc_rom_interface
+{
+public:
+	// construction/destruction
+	bbc_pmsgenie_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+	// device-level overrides
+	virtual void device_start() override;
+
+	// device_bbc_rom_interface overrides
+	virtual uint8_t read(offs_t offset) override;
+	virtual uint32_t get_rom_size() override { return 0x4000; }
+
+private:
+	uint8_t m_write_latch;
+	uint8_t m_bank_latch;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(BBC_PMSGENIE, bbc_pmsgenie_device)
+
+
+#endif // MAME_BUS_BBC_ROM_GENIE_H
diff --git a/src/devices/bus/bbc/rom/slot.cpp b/src/devices/bus/bbc/rom/slot.cpp
index af8ae212d6d..e421a1c520e 100644
--- a/src/devices/bus/bbc/rom/slot.cpp
+++ b/src/devices/bus/bbc/rom/slot.cpp
@@ -207,7 +207,7 @@ void bbc_romslot_device::write(offs_t offset, uint8_t data)
 #include "rom.h"
 #include "ram.h"
 #include "dfs.h"
-//#include "genie.h"
+#include "genie.h"
 #include "pal.h"
 //#include "replay.h"
 #include "rtc.h"
@@ -226,7 +226,7 @@ void bbc_rom_devices(device_slot_interface &device)
 	device.option_add_internal("palabep", BBC_PALABEP);
 	device.option_add_internal("palabe",  BBC_PALABE);
 	device.option_add_internal("palmo2", BBC_PALMO2);
-	//device.option_add_internal("genie", BBC_PMSGENIE);
+	device.option_add_internal("genie", BBC_PMSGENIE);
 	device.option_add_internal("mrme00", BBC_MRME00);
 	//device.option_add_internal("replay", BBC_REPLAY);
 	device.option_add_internal("stlrtc",  BBC_STLRTC);