diff --git a/src/mame/drivers/galaxian.cpp b/src/mame/drivers/galaxian.cpp
index 8f8894bd8c6..32f37ae13da 100644
--- a/src/mame/drivers/galaxian.cpp
+++ b/src/mame/drivers/galaxian.cpp
@@ -1901,6 +1901,29 @@ static ADDRESS_MAP_START( turtles_map, AS_PROGRAM, 8, galaxian_state )
 	AM_RANGE(0xb800, 0xb83f) AM_MIRROR(0x47c0) AM_READWRITE(turtles_ppi8255_1_r, turtles_ppi8255_1_w)
 ADDRESS_MAP_END
 
+
+/* map NOT derived from schematics */
+static ADDRESS_MAP_START( amigo2_map, AS_PROGRAM, 8, galaxian_state )
+	AM_RANGE(0x0000, 0x3fff) AM_ROM
+	AM_RANGE(0x4000, 0x4000) AM_READ_PORT("IN0") AM_DEVWRITE("soundlatch", generic_latch_8_device, write)
+	AM_RANGE(0x4001, 0x4001) AM_READ_PORT("IN1")
+	AM_RANGE(0x4002, 0x4002) AM_READ_PORT("IN2")
+	AM_RANGE(0x4003, 0x4003) AM_READ_PORT("IN3")
+	AM_RANGE(0x5000, 0x5000) AM_WRITE(konami_sound_control_w)
+	AM_RANGE(0x8000, 0x87ff) AM_RAM
+	AM_RANGE(0x8800, 0x8bff) AM_RAM_WRITE(galaxian_videoram_w) AM_SHARE("videoram")
+	AM_RANGE(0x9000, 0x90ff) AM_RAM_WRITE(galaxian_objram_w) AM_SHARE("spriteram")
+	AM_RANGE(0xa000, 0xa000) AM_WRITE(scramble_background_red_w)
+	AM_RANGE(0xa008, 0xa008) AM_WRITE(irq_enable_w)
+	AM_RANGE(0xa010, 0xa010) AM_WRITE(galaxian_flip_screen_y_w)
+	AM_RANGE(0xa018, 0xa018) AM_WRITE(galaxian_flip_screen_x_w)
+	AM_RANGE(0xa020, 0xa020) AM_WRITE(scramble_background_green_w)
+	AM_RANGE(0xa028, 0xa028) AM_WRITE(scramble_background_blue_w)
+	AM_RANGE(0xa030, 0xa030) AM_WRITE(coin_count_0_w)
+	AM_RANGE(0xa038, 0xa038) AM_WRITE(coin_count_1_w)
+	AM_RANGE(0xa800, 0xa800) AM_DEVREAD("watchdog", watchdog_timer_device, reset_r)
+ADDRESS_MAP_END
+
 static ADDRESS_MAP_START( turpins_map, AS_PROGRAM, 8, galaxian_state )
 	AM_RANGE(0x0000, 0x7fff) AM_ROM
 	AM_RANGE(0x8000, 0x87ff) AM_RAM
@@ -6040,6 +6063,15 @@ static MACHINE_CONFIG_DERIVED( turtles, konami_base )
 	MCFG_CPU_PROGRAM_MAP(turtles_map)
 MACHINE_CONFIG_END
 
+static MACHINE_CONFIG_DERIVED( amigo2, galaxian_base ) // bootleg has no i8255s
+
+	/* alternate memory map */
+	MCFG_CPU_MODIFY("maincpu")
+	MCFG_CPU_PROGRAM_MAP(amigo2_map)
+
+	MCFG_FRAGMENT_ADD(konami_sound_2x_ay8910)
+MACHINE_CONFIG_END
+
 static MACHINE_CONFIG_DERIVED( turpins, turtles )
 
 	// the ROMs came from a blister, so there aren't PCB infos available. Chip types and clocks are guessed.
@@ -7168,7 +7200,7 @@ DRIVER_INIT_MEMBER(galaxian_state,mandinga)
 {
 	DRIVER_INIT_CALL(scramble);
 
-	/* watchdog is in a different location) */
+	/* watchdog is in a different location */
 	address_space &space = m_maincpu->space(AS_PROGRAM);
 	watchdog_timer_device *wdog = subdevice<watchdog_timer_device>("watchdog");
 	space.unmap_read(0x7000, 0x7000, 0x7ff);
@@ -10611,6 +10643,35 @@ ROM_START( amigo )
 	ROM_LOAD( "amidar.clr",   0x0000, 0x0020, CRC(f940dcc3) SHA1(1015e56f37c244a850a8f4bf0e36668f047fd46d) )
 ROM_END
 
+/*
+1x  Z8400A-P5-Z80ACPU       10k     8-bit Microprocessor - main
+1x  Z8400A-P5-Z80ACPU       3a      8-bit Microprocessor - sound
+2x  AY-3-8910               6a,7a   Programmable Sound Generator - sound
+1x  LM380N                  1       Audio Amplifier - sound
+1x  oscillator  12.000MHz   12h
+
+PCB is marked: "AMI" on solder side
+*/
+
+ROM_START( amigo2 )
+	ROM_REGION( 0x10000, "maincpu", 0 )
+	ROM_LOAD( "a1.10l",      0x0000, 0x1000, CRC(e4aeac3f) SHA1(661e4badcebb6f6811e9b22d9b1561b64d7e77a9) ) // 2532
+	ROM_LOAD( "a2.9l",       0x1000, 0x1000, CRC(66ae3320) SHA1(3eba2f221ab2662b2b638a8822da48964ee2ceff) ) // 2532
+	ROM_LOAD( "a3.8l",       0x2000, 0x1000, CRC(c369b877) SHA1(4180afee10637781b408ebb50404dd8102351d46) ) // 2532
+	ROM_LOAD( "a4.7l",       0x3000, 0x1000, CRC(2194a1d3) SHA1(3807c2e25288b21e940ff33fb5d1541b559c5c1e) ) // 2532
+
+	ROM_REGION( 0x10000, "audiocpu", 0 )
+	ROM_LOAD( "a7.3b",       0x0000, 0x1000, CRC(8ca7b750) SHA1(4f4c2915503b85abe141d717fd254ee10c9da99e) ) // 2532
+	ROM_LOAD( "a8.4b",       0x1000, 0x1000, CRC(9b5bdc0a) SHA1(84d953618c8bf510d23b42232a856ac55f1baff5) ) // 2532
+
+	ROM_REGION( 0x1000, "gfx1", 0 )
+	ROM_LOAD( "a6.3h",      0x0000, 0x0800, CRC(2082ad0a) SHA1(c6014d9575e92adf09b0961c2158a779ebe940c4) ) // 2516
+	ROM_LOAD( "a5.5h",      0x0800, 0x0800, CRC(3029f94f) SHA1(3b432b42e79f8b0a7d65e197f373a04e3c92ff20) ) // 2716
+
+	ROM_REGION( 0x0020, "proms", 0 )
+	ROM_LOAD( "sn74s288n.1k",   0x0000, 0x0020, CRC(01004d3f) SHA1(e53cbc54ea96e846481a67bbcccf6b1726e70f9c) )
+ROM_END
+
 ROM_START( amidars )
 	ROM_REGION( 0x10000, "maincpu", 0 )
 	ROM_LOAD( "am2d",         0x0000, 0x0800, CRC(24b79547) SHA1(eca735c6a35561a9a6ba8a20dca1e1c78ed073fc) )
@@ -12099,7 +12160,8 @@ GAME( 1981, amidar1,     amidar,   turtles,    amidar,     galaxian_state, turtl
 GAME( 1982, amidaru,     amidar,   turtles,    amidaru,    galaxian_state, turtles,    ROT90,  "Konami (Stern Electronics license)", "Amidar (Stern Electronics)", MACHINE_SUPPORTS_SAVE )
 GAME( 1982, amidaro,     amidar,   turtles,    amidaro,    galaxian_state, turtles,    ROT90,  "Konami (Olympia license)", "Amidar (Olympia)", MACHINE_SUPPORTS_SAVE )
 GAME( 1982, amidarb,     amidar,   turtles,    amidaru,    galaxian_state, turtles,    ROT90,  "bootleg", "Amidar (bootleg)", MACHINE_SUPPORTS_SAVE ) /* similar to Amigo bootleg */
-GAME( 1982, amigo,       amidar,   turtles,    amidaru,    galaxian_state, turtles,    ROT90,  "bootleg", "Amigo", MACHINE_SUPPORTS_SAVE )
+GAME( 1982, amigo,       amidar,   turtles,    amidaru,    galaxian_state, turtles,    ROT90,  "bootleg", "Amigo (bootleg of Amidar, set 1)", MACHINE_SUPPORTS_SAVE )
+GAME( 1982, amigo2,      amidar,   amigo2,     amidaru,    galaxian_state, turtles,    ROT90,  "bootleg", "Amigo (bootleg of Amidar, set 2)", MACHINE_SUPPORTS_SAVE )
 GAME( 1982, amidars,     amidar,   scramble,   amidars,    galaxian_state, scramble,   ROT90,  "Konami", "Amidar (Scramble hardware)", MACHINE_SUPPORTS_SAVE )
 GAME( 1982, mandinga,    amidar,   scramble,   amidars,    galaxian_state, mandinga,   ROT90,  "bootleg (Artemi)", "Mandinga (bootleg of Amidar)", MACHINE_NO_SOUND | MACHINE_WRONG_COLORS | MACHINE_SUPPORTS_SAVE ) // sound ROMs have identical halves, reference for color http://www.youtube.com/watch?v=6uGK4AZxV2U
 
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index e360c9f545e..fd268160622 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -13056,6 +13056,7 @@ amidaro                         // GX337 (c) 1982 Konami + Olympia license
 amidars                         // GX337 (c) 1982 Konami
 amidaru                         // GX337 (c) 1982 Konami + Stern license
 amigo                           // bootleg
+amigo2                          // bootleg
 anteater                        // (c) 1982 Tago
 anteaterg                       // (c) 1983 TV-Tuning (F.E.G. license)
 anteatergg                      // bootleg