diff --git a/src/mame/drivers/funkyjet.cpp b/src/mame/drivers/funkyjet.cpp
index 27daeb44c0f..56bbc897e97 100644
--- a/src/mame/drivers/funkyjet.cpp
+++ b/src/mame/drivers/funkyjet.cpp
@@ -93,6 +93,7 @@ Notes:
 #include "includes/funkyjet.h"
 
 #include "cpu/m68000/m68000.h"
+#include "cpu/pic16c5x/pic16c5x.h"
 #include "machine/decocrpt.h"
 #include "machine/gen_latch.h"
 #include "sound/ym2151.h"
@@ -145,6 +146,24 @@ void funkyjet_state::funkyjet_map(address_map &map)
 	map(0x342000, 0x342bff).ram().share("pf2_rowscroll");
 }
 
+void funkyjet_state::funkyjetb_map(address_map &map)
+{
+	map(0x000000, 0x07ffff).rom();
+	map(0x120000, 0x1207ff).ram().w("palette", FUNC(palette_device::write16)).share("palette");
+	map(0x140000, 0x143fff).ram();
+	map(0x160000, 0x1607ff).ram().share("spriteram");
+	map(0x184000, 0x184001).nopw();
+	map(0x188000, 0x188001).nopw();
+	map(0x1d0382, 0x1d0383).portr("DSW");
+	map(0x242102, 0x242103).portr("SYSTEM");
+	map(0x200000, 0x2007ff).ram(); // writes 0x180
+	map(0x300000, 0x30000f).w(m_deco_tilegen, FUNC(deco16ic_device::pf_control_w));
+	map(0x320000, 0x321fff).rw(m_deco_tilegen, FUNC(deco16ic_device::pf1_data_r), FUNC(deco16ic_device::pf1_data_w));
+	map(0x322000, 0x323fff).rw(m_deco_tilegen, FUNC(deco16ic_device::pf2_data_r), FUNC(deco16ic_device::pf2_data_w));
+	map(0x340000, 0x340bff).ram().share("pf1_rowscroll");
+	map(0x342000, 0x342bff).ram().share("pf2_rowscroll");
+}
+
 /******************************************************************************/
 
 /* Physical memory map (21 bits) */
@@ -305,7 +324,7 @@ GFXDECODE_END
 MACHINE_CONFIG_START(funkyjet_state::funkyjet)
 
 	/* basic machine hardware */
-	MCFG_DEVICE_ADD("maincpu", M68000, XTAL(28'000'000)/2) /* 28 MHz crystal */
+	MCFG_DEVICE_ADD(m_maincpu, M68000, XTAL(28'000'000)/2) /* 28 MHz crystal */
 	MCFG_DEVICE_PROGRAM_MAP(funkyjet_map)
 	MCFG_DEVICE_VBLANK_INT_DRIVER("screen", funkyjet_state,  irq6_line_hold)
 
@@ -366,6 +385,21 @@ MACHINE_CONFIG_START(funkyjet_state::funkyjet)
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "rspeaker", 0.50)
 MACHINE_CONFIG_END
 
+void funkyjet_state::funkyjetb(machine_config &config)
+{
+	funkyjet(config);
+
+	m_maincpu->set_addrmap(AS_PROGRAM, &funkyjet_state::funkyjetb_map);
+
+	config.device_remove("audiocpu");
+
+	config.device_remove("ioprot");
+
+	config.device_remove("ymsnd");
+
+	// add PIC if/when decapped
+}
+
 /******************************************************************************/
 
 ROM_START( funkyjet )
@@ -425,6 +459,40 @@ ROM_START( funkyjetj )
 	ROM_LOAD( "jh03.15h",    0x00000, 0x20000, CRC(69a0eaf7) SHA1(05038e82ee03106625f05082fe9912e16be181ee) ) /* same as jk03.15h from world set */
 ROM_END
 
+ROM_START( funkyjetb )
+	ROM_REGION( 0x80000, "maincpu", 0 ) /* 68000 code */
+	ROM_LOAD16_BYTE( "4-27c020.bin", 0x00000, 0x40000, CRC(4e5bfda3) SHA1(b1bcc4ad1343d379de9a143a72a84db9830c8fa0) )
+	ROM_LOAD16_BYTE( "3-27c020.bin", 0x00001, 0x40000, CRC(e253e20c) SHA1(6fe1704872bf807ed24f500c997f62c880f6c5c1) )
+
+	ROM_REGION( 0x2000, "pic", 0 )    /* Sound CPU */
+	ROM_LOAD( "1-pic16c57-xt.bin",   0x00000, 0x2000, NO_DUMP ) // protected
+
+	ROM_REGION( 0x080000, "gfx1", 0 )
+	ROM_LOAD16_BYTE( "5-27c020.bin", 0x000000, 0x40000, CRC(f75ff923) SHA1(4177e94ba1e3a82861d0277ba5d0abc24482ffe2) )
+	ROM_LOAD16_BYTE( "6-27c020.bin", 0x000001, 0x40000, CRC(91a2bcb5) SHA1(c659b5deff2a4b2b69bddb956a3df1ed79a50ab0) )
+
+	ROM_REGION( 0x100000, "gfx2", 0 )
+	ROM_LOAD16_BYTE( "8-27c020.bin",  0x000000, 0x40000, CRC(49aab1d6) SHA1(2c215df271af1d49eeff472298e7aa00879c1799) ) /* sprites */
+	ROM_LOAD16_BYTE( "7-27c020.bin",  0x000001, 0x40000, CRC(f6e362bf) SHA1(8e5c82eb19b8948f064360215107311efa9ea12f) )
+	ROM_LOAD16_BYTE( "10-27c020.bin", 0x080000, 0x40000, CRC(ffe70cc2) SHA1(e81720c86ea0df7554af060dae66901bf612b4db) )
+	ROM_LOAD16_BYTE( "9-27c020.bin",  0x080001, 0x40000, CRC(d13437a6) SHA1(cc848e5e8cc91f6fb5c1de219cc1db57b84337a9) )
+
+	ROM_REGION( 0x80000, "oki", 0 ) /* ADPCM samples */
+	ROM_LOAD( "2-27c4001.bin",    0x00000, 0x80000, CRC(7dbc988b) SHA1(0bf89e651a992672ee4041addc9c4614b475c48a) )
+
+	ROM_REGION( 0x1600, "plds", ROMREGION_ERASE00 )
+	ROM_LOAD( "p1-palce16v8h-25pc.bin",  0x0000, 0x0117, CRC(bb8f5dd6) SHA1(b09f36293f7b4ae30b8bebebcca6457a64b87d0f) )
+	ROM_LOAD( "p2-palce22v10h-25pc.bin", 0x0200, 0x02dd, CRC(d53c01da) SHA1(e90eaa95a8b429643cfb0bce7dff86e850ec01d8) )
+	ROM_LOAD( "p3-palce22v10h-25pc.bin", 0x0500, 0x02dd, CRC(5c0b43af) SHA1(ef5cfabde32063707c97a9aed63f8bf1bde2cb6d) )
+	ROM_LOAD( "p4-palce16v8h-25pc.bin",  0x0800, 0x0117, CRC(36749fe3) SHA1(d2a88d5c2d3d32aeade59d5c4e4474982d19447e) )
+	ROM_LOAD( "p5-palce20v8h-25pc.bin",  0x0a00, 0x0157, CRC(1c9b6557) SHA1(ceb78bf78e511251143984626f6b8421e5d627d5) )
+	ROM_LOAD( "p6-palce16v8h-25pc.bin",  0x0c00, 0x0117, CRC(76b06a9a) SHA1(32a5d5d6ce4819ae5cceb6499f5f95b77e6b4f33) )
+	ROM_LOAD( "p7-palce16v8h-25pc.bin",  0x0e00, 0x0117, CRC(070f48ec) SHA1(51fed4c1072762f4a4d2c0706d6a6cab4c769376) )
+	ROM_LOAD( "p8-palce16v8h-25pc.bin",  0x1000, 0x0117, CRC(747270a6) SHA1(7ec39a172400e536bd4136250f8ec391c6b1320f) )
+	ROM_LOAD( "p9-palce16v8h-25pc.bin",  0x1000, 0x0117, CRC(954b7413) SHA1(207972f0021f26b5b99f6b96eb650cc3213ae490) )
+	ROM_LOAD( "p10-hy18cv8s-25.bin",     0x1400, 0x0155, CRC(6dc83459) SHA1(1121aaedf1f913cccae81dcc1f95e20c24d263fb) )
+ROM_END
+
 ROM_START( sotsugyo )
 	ROM_REGION( 0x80000, "maincpu", 0 ) /* 68000 code */
 	ROM_LOAD16_BYTE( "03.12f", 0x00000, 0x40000, CRC(d175dfd1) SHA1(61c91d5e20b0492e6ac3b19fe9639eb4f169ae77) )
@@ -449,9 +517,21 @@ void funkyjet_state::init_funkyjet()
 	deco74_decrypt_gfx(machine(), "gfx1");
 }
 
+void funkyjet_state::init_funkyjetb()
+{
+	// prearrange chars in the expected format
+	uint8_t* gfx1 = memregion("gfx1")->base();
+	uint8_t buf[0x80000];
+	memcpy(buf, gfx1, 0x80000);
+
+	for (int i = 0; i < 0x80000; i++)
+		gfx1[i] = buf[i^0x20];
+}
+
 /******************************************************************************/
 
-GAME( 1992, funkyjet,  0,        funkyjet, funkyjet,  funkyjet_state, init_funkyjet, ROT0, "Mitchell", "Funky Jet (World, rev 1)", MACHINE_SUPPORTS_SAVE )
-GAME( 1992, funkyjeta, funkyjet, funkyjet, funkyjet,  funkyjet_state, init_funkyjet, ROT0, "Mitchell", "Funky Jet (World)", MACHINE_SUPPORTS_SAVE )
-GAME( 1992, funkyjetj, funkyjet, funkyjet, funkyjetj, funkyjet_state, init_funkyjet, ROT0, "Mitchell (Data East Corporation license)", "Funky Jet (Japan, rev 2)", MACHINE_SUPPORTS_SAVE )
-GAME( 1995, sotsugyo,  0,        funkyjet, sotsugyo,  funkyjet_state, init_funkyjet, ROT0, "Mitchell (Atlus license)", "Sotsugyo Shousho", MACHINE_SUPPORTS_SAVE )
+GAME( 1992, funkyjet,   0,        funkyjet,   funkyjet,  funkyjet_state, init_funkyjet,   ROT0, "Mitchell", "Funky Jet (World, rev 1)", MACHINE_SUPPORTS_SAVE )
+GAME( 1992, funkyjeta,  funkyjet, funkyjet,   funkyjet,  funkyjet_state, init_funkyjet,   ROT0, "Mitchell", "Funky Jet (World)", MACHINE_SUPPORTS_SAVE )
+GAME( 1992, funkyjetj,  funkyjet, funkyjet,   funkyjetj, funkyjet_state, init_funkyjet,   ROT0, "Mitchell (Data East Corporation license)", "Funky Jet (Japan, rev 2)", MACHINE_SUPPORTS_SAVE )
+GAME( 1992, funkyjetb,  funkyjet, funkyjetb,  funkyjetj, funkyjet_state, init_funkyjetb,  ROT0, "bootleg", "Funky Jet (bootleg)", MACHINE_NO_SOUND | MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) // no backgrounds, inputs not working, undumped PIC driving an OKI
+GAME( 1995, sotsugyo,   0,        funkyjet,   sotsugyo,  funkyjet_state, init_funkyjet,   ROT0, "Mitchell (Atlus license)", "Sotsugyo Shousho", MACHINE_SUPPORTS_SAVE )
diff --git a/src/mame/includes/funkyjet.h b/src/mame/includes/funkyjet.h
index 57208429c1a..d7af65832aa 100644
--- a/src/mame/includes/funkyjet.h
+++ b/src/mame/includes/funkyjet.h
@@ -18,8 +18,8 @@ public:
 	funkyjet_state(const machine_config &mconfig, device_type type, const char *tag)
 		: driver_device(mconfig, type, tag)
 		, m_spriteram(*this, "spriteram")
-		, m_deco146(*this, "ioprot")
 		, m_pf_rowscroll(*this, "pf%u_rowscroll", 1)
+		, m_deco146(*this, "ioprot")
 		, m_sprgen(*this, "spritegen")
 		, m_maincpu(*this, "maincpu")
 		, m_audiocpu(*this, "audiocpu")
@@ -27,24 +27,27 @@ public:
 	{ }
 
 	void funkyjet(machine_config &config);
+	void funkyjetb(machine_config &config);
 
 	void init_funkyjet();
+	void init_funkyjetb();
 
 private:
 	/* memory pointers */
 	required_shared_ptr<uint16_t> m_spriteram;
-	required_device<deco146_device> m_deco146;
 	required_shared_ptr_array<uint16_t, 2> m_pf_rowscroll;
-	required_device<decospr_device> m_sprgen;
 
 	/* devices */
+	optional_device<deco146_device> m_deco146;
+	required_device<decospr_device> m_sprgen;
 	required_device<cpu_device> m_maincpu;
-	required_device<h6280_device> m_audiocpu;
+	optional_device<h6280_device> m_audiocpu;
 	required_device<deco16ic_device> m_deco_tilegen;
 	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
 
 	DECLARE_READ16_MEMBER( funkyjet_protection_region_0_146_r );
 	DECLARE_WRITE16_MEMBER( funkyjet_protection_region_0_146_w );
 	void funkyjet_map(address_map &map);
+	void funkyjetb_map(address_map &map);
 	void sound_map(address_map &map);
 };
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index f7295dcb6fc..ce324c7d493 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -13097,6 +13097,7 @@ skylancre                       // (c) 1983 Orca + Esco Trading Co license
 @source:funkyjet.cpp
 funkyjet                        // MAT (c) 1992 Data East (Mitchell license) (World, Rev 1)
 funkyjeta                       // MAT (c) 1992 Data East (Mitchell license) (World) - Rev unverified
+funkyjetb                       // bootleg
 funkyjetj                       // MAT (c) 1992 Data East (Mitchell license) (Japan, Rev 2)
 sotsugyo                        // (c) 1995 Mitchell (Atlus license)