diff --git a/.gitattributes b/.gitattributes
index be9e9e8019a..4f95e826bbc 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -6207,6 +6207,7 @@ src/mess/drivers/dmv.c svneol=native#text/plain
 src/mess/drivers/dolphunk.c svneol=native#text/plain
 src/mess/drivers/dps1.c svneol=native#text/plain
 src/mess/drivers/dragon.c svneol=native#text/plain
+src/mess/drivers/dsb46.c svneol=native#text/plain
 src/mess/drivers/dual68.c svneol=native#text/plain
 src/mess/drivers/eacc.c svneol=native#text/plain
 src/mess/drivers/ec65.c svneol=native#text/plain
diff --git a/src/mess/drivers/dsb46.c b/src/mess/drivers/dsb46.c
new file mode 100644
index 00000000000..1b0d5235701
--- /dev/null
+++ b/src/mess/drivers/dsb46.c
@@ -0,0 +1,37 @@
+#include "emu.h"
+#include "cpu/z80/z80.h"
+
+class dsb46_state : public driver_device
+{
+public:
+	dsb46_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag)
+	{ }
+};
+
+static ADDRESS_MAP_START( dsb46_mem, AS_PROGRAM, 8, dsb46_state )
+	AM_RANGE(0x0000, 0x07ff) AM_ROM AM_REGION("maincpu", 0)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( dsb46_io, AS_IO, 8, dsb46_state )
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( dsb46 )
+INPUT_PORTS_END
+
+static MACHINE_CONFIG_START( dsb46, dsb46_state )
+	// basic machine hardware
+	MCFG_CPU_ADD("maincpu", Z80, 4000000)
+	MCFG_CPU_PROGRAM_MAP(dsb46_mem)
+	MCFG_CPU_IO_MAP(dsb46_io)
+MACHINE_CONFIG_END
+
+ROM_START( dsb46 )
+	ROM_REGION( 0x800, "maincpu", 0 )
+	ROM_LOAD( "1538a.bin", 0x000, 0x800, CRC(65b3e26e) SHA1(afe1f03f266b7d13fdb1f1bc6762df5e0aa5c764) )
+
+	ROM_REGION( 0x4000, "ades", 0 )
+	ROM_LOAD( "ades.bin", 0x0000, 0x4000, CRC(d374abf0) SHA1(331f51a2bb81375aeffbe63c1ebc1d7cd779b9c3) )
+ROM_END
+
+COMP( 198?, dsb46,    0,      0,      dsb46,        dsb46, driver_device, 0,      "Davidge",  "DSB-4/6",  GAME_NOT_WORKING | GAME_NO_SOUND_HW )
diff --git a/src/mess/mess.lst b/src/mess/mess.lst
index 8cfab4c79fd..767dfc0c9ff 100644
--- a/src/mess/mess.lst
+++ b/src/mess/mess.lst
@@ -2235,3 +2235,4 @@ ravens2
 softbox
 dps1
 octopus
+dsb46
diff --git a/src/mess/mess.mak b/src/mess/mess.mak
index d6d188fce49..65379299c00 100644
--- a/src/mess/mess.mak
+++ b/src/mess/mess.mak
@@ -2367,6 +2367,7 @@ $(MESSOBJ)/skeleton.a:          \
 	$(MESS_DRIVERS)/dm7000.o    \
 	$(MESS_DRIVERS)/dmv.o       \
 	$(MESS_DRIVERS)/dps1.o      \
+	$(MESS_DRIVERS)/dsb46.o     \
 	$(MESS_DRIVERS)/dual68.o    \
 	$(MESS_DRIVERS)/eacc.o      \
 	$(MESS_DRIVERS)/elwro800.o  \