diff --git a/src/mame/drivers/pockchal.cpp b/src/mame/drivers/pockchal.cpp
new file mode 100644
index 00000000000..c54f5d5f91d
--- /dev/null
+++ b/src/mame/drivers/pockchal.cpp
@@ -0,0 +1,101 @@
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
+/*
+
+base unit contains
+
+1x Toshiba TMP90C845AF
+
+1x SANYO LC21003 BLA5
+
+3x SEC C941A KS0108B
+
+1x Toshiba T9842B
+
+(system has no bios ROM)
+
+
+*/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "cpu/tlcs90/tlcs90.h"
+#include "softlist.h"
+
+class pockchalv1_state : public driver_device
+{
+public:
+	pockchalv1_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag),
+		m_maincpu(*this, "maincpu")
+	 { }
+
+	virtual void machine_start() override;
+	virtual void machine_reset() override;
+	virtual void video_start() override;
+	UINT32 screen_update_pockchalv1(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+	required_device<cpu_device> m_maincpu;
+};
+
+
+
+void pockchalv1_state::video_start()
+{
+}
+
+UINT32 pockchalv1_state::screen_update_pockchalv1(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+	return 0;
+}
+
+
+static ADDRESS_MAP_START( pockchalv1_map, AS_PROGRAM, 8, pockchalv1_state )
+	AM_RANGE(0x0000, 0x7fff) AM_ROM
+ADDRESS_MAP_END
+
+
+static INPUT_PORTS_START( pockchalv1 )
+INPUT_PORTS_END
+
+
+
+void pockchalv1_state::machine_start()
+{
+}
+
+void pockchalv1_state::machine_reset()
+{
+}
+
+static MACHINE_CONFIG_START( pockchalv1, pockchalv1_state )
+
+	/* basic machine hardware */
+	MCFG_CPU_ADD("maincpu", TMP90845,8000000)         /* ? MHz */
+	MCFG_CPU_PROGRAM_MAP(pockchalv1_map)
+//	MCFG_CPU_VBLANK_INT_DRIVER("screen", pockchalv1_state,  irq0_line_hold)
+
+	// wrong, it's a b&w / greyscale thing
+	MCFG_PALETTE_ADD("palette", 0x100)
+	MCFG_PALETTE_FORMAT(xxxxRRRRGGGGBBBB)
+	MCFG_PALETTE_ENDIANNESS(ENDIANNESS_BIG)
+
+	/* video hardware */
+	MCFG_SCREEN_ADD("screen", RASTER)
+	MCFG_SCREEN_REFRESH_RATE(60)
+	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
+	MCFG_SCREEN_SIZE(256, 256)
+	MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 16, 256-16-1)
+	MCFG_SCREEN_UPDATE_DRIVER(pockchalv1_state, screen_update_pockchalv1)
+	MCFG_SCREEN_PALETTE("palette")
+
+	MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("pc1_list","pockchalv1")
+
+MACHINE_CONFIG_END
+
+
+
+ROM_START( pockchal )
+	ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ROM_END
+
+GAME( 199?, pockchal,  0,    pockchalv1, pockchalv1, driver_device,  0, ROT0, "Benesse Corporation", "Pocket Challenge (Japan)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )