diff --git a/src/mame/drivers/galastrm.cpp b/src/mame/drivers/galastrm.cpp
index 8ab7c33347c..02d0c4d5062 100644
--- a/src/mame/drivers/galastrm.cpp
+++ b/src/mame/drivers/galastrm.cpp
@@ -166,7 +166,6 @@ static const gfx_layout tile16x16_layout =
 
 static GFXDECODE_START( gfx_galastrm )
 	GFXDECODE_ENTRY( "sprites",   0x0, tile16x16_layout,       0, 4096/16 )
-	GFXDECODE_ENTRY( "tc0480scp", 0x0, gfx_16x16x4_packed_lsb, 0, 4096/16 )
 GFXDECODE_END
 
 
@@ -217,10 +216,8 @@ void galastrm_state::galastrm(machine_config &config)
 	m_tc0100scn->set_palette(m_tc0110pcr);
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_tc0110pcr);
 	m_tc0480scp->set_offsets(-40, -3);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	TC0110PCR(config, m_tc0110pcr, 0);
 
diff --git a/src/mame/drivers/groundfx.cpp b/src/mame/drivers/groundfx.cpp
index f369eb6d706..5cca976c7bf 100644
--- a/src/mame/drivers/groundfx.cpp
+++ b/src/mame/drivers/groundfx.cpp
@@ -194,10 +194,21 @@ static const gfx_layout tile16x16_layout =
 	16*16   /* every sprite takes 128 consecutive bytes */
 };
 
+static const gfx_layout layout_scc_6bpp_hi =
+{
+	8,8,
+	RGN_FRAC(1,1),
+	2,
+	{ STEP2(0,1) },
+	{ STEP8(0,2) },
+	{ STEP8(0,8*2) },
+	8*8*2
+};
+
 static GFXDECODE_START( gfx_groundfx )
-	GFXDECODE_ENTRY( "sprites",   0x0, tile16x16_layout,    4096, 512 )
-	GFXDECODE_ENTRY( "tc0480scp", 0x0, gfx_16x16x4_packed_lsb, 0, 512 )
-	GFXDECODE_ENTRY( "tc0100scn", 0x0, gfx_8x8x4_packed_msb,   0, 512 )
+	GFXDECODE_ENTRY( "sprites",          0x0, tile16x16_layout,  4096, 512 )
+	GFXDECODE_ENTRY( "tc0100scn",        0x0, gfx_8x8x4_packed_msb, 0, 512 ) // low 4bpp of 6bpp scc tiles
+	GFXDECODE_ENTRY( "tc0100scn:hi_gfx", 0x0, layout_scc_6bpp_hi,   0, 512 ) // hi 2bpp of 6bpp scc tiles
 GFXDECODE_END
 
 
@@ -250,17 +261,15 @@ void groundfx_state::groundfx(machine_config &config)
 	PALETTE(config, m_palette).set_format(palette_device::xRGB_888, 16384);
 
 	TC0100SCN(config, m_tc0100scn, 0);
-	m_tc0100scn->set_gfx_region(2);
+	m_tc0100scn->set_gfx_region(1);
 	m_tc0100scn->set_offsets(50, 8);
 	m_tc0100scn->set_gfxdecode_tag(m_gfxdecode);
 	m_tc0100scn->set_palette(m_palette);
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_palette);
 	m_tc0480scp->set_offsets(0x24, 0);
 	m_tc0480scp->set_offsets_tx(-1, 0);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	/* sound hardware */
 	TAITO_EN(config, "taito_en", 0);
@@ -337,8 +346,8 @@ void groundfx_state::init_groundfx()
 	m_maincpu->space(AS_PROGRAM).install_read_handler(0x20b574, 0x20b577, read32_delegate(FUNC(groundfx_state::irq_speedup_r),this));
 
 	/* make SCC tile GFX format suitable for gfxdecode */
-	u8 *gfx_hi = memregion("tc0100scn:hi_gfx")->base();
-	gfx_element *gx0 = m_gfxdecode->gfx(2);
+	gfx_element *gx0 = m_gfxdecode->gfx(1);
+	gfx_element *gx1 = m_gfxdecode->gfx(2);
 
 	// allocate memory for the assembled data
 	u8 *srcdata = auto_alloc_array(machine(), u8, gx0->elements() * gx0->width() * gx0->height());
@@ -348,28 +357,27 @@ void groundfx_state::init_groundfx()
 	for (int c = 0; c < gx0->elements(); c++)
 	{
 		const u8 *c0base = gx0->get_data(c);
+		const u8 *c1base = gx1->get_data(c);
 
 		// loop over height
 		for (int y = 0; y < gx0->height(); y++)
 		{
 			const u8 *c0 = c0base;
+			const u8 *c1 = c1base;
 
-			for (int x = 0; x < gx0->width();)
+			for (int x = 0; x < gx0->width(); x++)
 			{
-				u8 hipix = *gfx_hi++;
-				for (int i = 0; i < 4; i++)
-				{
-					*dest++ = (*c0++ & 0xf) | ((hipix >> 2) & 0x30);
-					x++;
-					hipix <<= 2;
-				}
+				u8 hipix = *c1++;
+				*dest++ = (*c0++ & 0xf) | ((hipix << 4) & 0x30);
 			}
 			c0base += gx0->rowbytes();
+			c1base += gx1->rowbytes();
 		}
 	}
 
 	gx0->set_raw_layout(srcdata, gx0->width(), gx0->height(), gx0->elements(), 8 * gx0->width(), 8 * gx0->width() * gx0->height());
 	gx0->set_granularity(64);
+	m_gfxdecode->set_gfx(2, nullptr);
 	m_tc0100scn->update_granularity();
 }
 
diff --git a/src/mame/drivers/gunbustr.cpp b/src/mame/drivers/gunbustr.cpp
index d95f4c94356..6c52edd33f3 100644
--- a/src/mame/drivers/gunbustr.cpp
+++ b/src/mame/drivers/gunbustr.cpp
@@ -202,26 +202,14 @@ static const gfx_layout tile16x16_layout =
 	16,16,  /* 16*16 sprites */
 	RGN_FRAC(1,1),
 	4,  /* 4 bits per pixel */
-	{ STEP4(0,8) },
-	{ STEP8(8*4,1), STEP8(0,1) },
-	{ STEP16(0,8*4*2) },
+	{ STEP4(0,16) },
+	{ STEP16(0,1) },
+	{ STEP16(0,16*4) },
 	16*16*4   /* every sprite takes 128 consecutive bytes */
 };
 
-static const gfx_layout charlayout =
-{
-	16,16,    /* 16*16 characters */
-	RGN_FRAC(1,1),
-	4,        /* 4 bits per pixel */
-	{ STEP4(0,1) },
-	{ STEP8(7*4,-4), STEP8(15*4,-4) },
-	{ STEP16(0,16*4) },
-	16*16*4     /* every sprite takes 128 consecutive bytes */
-};
-
 static GFXDECODE_START( gfx_gunbustr )
-	GFXDECODE_ENTRY( "gfx2", 0x0, tile16x16_layout,  0, 256 )
-	GFXDECODE_ENTRY( "gfx1", 0x0, charlayout,        0, 256 )
+	GFXDECODE_ENTRY( "sprites", 0x0, tile16x16_layout,  0, 256 )
 GFXDECODE_END
 
 
@@ -261,12 +249,10 @@ void gunbustr_state::gunbustr(machine_config &config)
 	PALETTE(config, m_palette).set_format(palette_device::xRGB_555, 4096);
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_palette);
 	m_tc0480scp->set_offsets(0x20, 0x07);
 	m_tc0480scp->set_offsets_tx(-1, -1);
 	m_tc0480scp->set_offsets_flip(-1, 0);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	/* sound hardware */
 	TAITO_EN(config, "taito_en", 0);
@@ -285,15 +271,15 @@ ROM_START( gunbustr )
 	ROM_LOAD16_BYTE( "d27-25.bin", 0x100000, 0x20000, CRC(c88203cf) SHA1(a918d395b471acdce56dacabd7a1e1e023948365) )
 	ROM_LOAD16_BYTE( "d27-24.bin", 0x100001, 0x20000, CRC(084bd8bd) SHA1(93229bc7de4550ead1bb12f666ddbacbe357488d) )
 
-	ROM_REGION( 0x100000, "gfx1", 0 )
-	ROM_LOAD32_WORD_SWAP( "d27-01.bin", 0x00002, 0x80000, CRC(f41759ce) SHA1(30789f43dd09b56399e1dfdb8c6a1e01a21562bd) ) /* SCR 16x16 tiles */
-	ROM_LOAD32_WORD_SWAP( "d27-02.bin", 0x00000, 0x80000, CRC(92ab6430) SHA1(28ed80391c732b09d10c74ed6b78ac76cb62e083) )
+	ROM_REGION( 0x100000, "tc0480scp", 0 )
+	ROM_LOAD32_WORD( "d27-01.bin", 0x00000, 0x80000, CRC(f41759ce) SHA1(30789f43dd09b56399e1dfdb8c6a1e01a21562bd) ) /* SCR 16x16 tiles */
+	ROM_LOAD32_WORD( "d27-02.bin", 0x00002, 0x80000, CRC(92ab6430) SHA1(28ed80391c732b09d10c74ed6b78ac76cb62e083) )
 
-	ROM_REGION( 0x400000, "gfx2", 0 )
-	ROM_LOAD32_BYTE( "d27-04.bin", 0x000003, 0x100000, CRC(ff8b9234) SHA1(6095b7daf9b7e9a22b0d44d9d6a642ddecb2bd29) )   /* OBJ 16x16 tiles: each rom has 1 bitplane */
-	ROM_LOAD32_BYTE( "d27-05.bin", 0x000002, 0x100000, CRC(96d7c1a5) SHA1(93b6a7aea397280a5a778e736d433a85cb7da52c) )
-	ROM_LOAD32_BYTE( "d27-06.bin", 0x000001, 0x100000, CRC(bbb934db) SHA1(9e9b5cf05b9275f1182f5b499b8ee897c4f25b96) )
-	ROM_LOAD32_BYTE( "d27-07.bin", 0x000000, 0x100000, CRC(8ab4854e) SHA1(bd2750cdaa2918e56f8aef3732875952a1eeafea) )
+	ROM_REGION( 0x400000, "sprites", 0 )
+	ROM_LOAD64_WORD_SWAP( "d27-04.bin", 0x000006, 0x100000, CRC(ff8b9234) SHA1(6095b7daf9b7e9a22b0d44d9d6a642ddecb2bd29) )   /* OBJ 16x16 tiles: each rom has 1 bitplane */
+	ROM_LOAD64_WORD_SWAP( "d27-05.bin", 0x000004, 0x100000, CRC(96d7c1a5) SHA1(93b6a7aea397280a5a778e736d433a85cb7da52c) )
+	ROM_LOAD64_WORD_SWAP( "d27-06.bin", 0x000002, 0x100000, CRC(bbb934db) SHA1(9e9b5cf05b9275f1182f5b499b8ee897c4f25b96) )
+	ROM_LOAD64_WORD_SWAP( "d27-07.bin", 0x000000, 0x100000, CRC(8ab4854e) SHA1(bd2750cdaa2918e56f8aef3732875952a1eeafea) )
 
 	ROM_REGION16_LE( 0x80000, "spritemap", 0 )
 	ROM_LOAD16_WORD( "d27-03.bin", 0x00000, 0x80000, CRC(23bf2000) SHA1(49b29e771a47fcd7e6cd4e2704b217f9727f8299) ) /* STY, used to create big sprites on the fly */
@@ -319,15 +305,15 @@ ROM_START( gunbustru )
 	ROM_LOAD16_BYTE( "d27-25.bin", 0x100000, 0x20000, CRC(c88203cf) SHA1(a918d395b471acdce56dacabd7a1e1e023948365) )
 	ROM_LOAD16_BYTE( "d27-24.bin", 0x100001, 0x20000, CRC(084bd8bd) SHA1(93229bc7de4550ead1bb12f666ddbacbe357488d) )
 
-	ROM_REGION( 0x100000, "gfx1", 0 )
-	ROM_LOAD32_WORD_SWAP( "d27-01.bin", 0x00002, 0x80000, CRC(f41759ce) SHA1(30789f43dd09b56399e1dfdb8c6a1e01a21562bd) ) /* SCR 16x16 tiles */
-	ROM_LOAD32_WORD_SWAP( "d27-02.bin", 0x00000, 0x80000, CRC(92ab6430) SHA1(28ed80391c732b09d10c74ed6b78ac76cb62e083) )
+	ROM_REGION( 0x100000, "tc0480scp", 0 )
+	ROM_LOAD32_WORD( "d27-01.bin", 0x00000, 0x80000, CRC(f41759ce) SHA1(30789f43dd09b56399e1dfdb8c6a1e01a21562bd) ) /* SCR 16x16 tiles */
+	ROM_LOAD32_WORD( "d27-02.bin", 0x00002, 0x80000, CRC(92ab6430) SHA1(28ed80391c732b09d10c74ed6b78ac76cb62e083) )
 
-	ROM_REGION( 0x400000, "gfx2", 0 )
-	ROM_LOAD32_BYTE( "d27-04.bin", 0x000003, 0x100000, CRC(ff8b9234) SHA1(6095b7daf9b7e9a22b0d44d9d6a642ddecb2bd29) )   /* OBJ 16x16 tiles: each rom has 1 bitplane */
-	ROM_LOAD32_BYTE( "d27-05.bin", 0x000002, 0x100000, CRC(96d7c1a5) SHA1(93b6a7aea397280a5a778e736d433a85cb7da52c) )
-	ROM_LOAD32_BYTE( "d27-06.bin", 0x000001, 0x100000, CRC(bbb934db) SHA1(9e9b5cf05b9275f1182f5b499b8ee897c4f25b96) )
-	ROM_LOAD32_BYTE( "d27-07.bin", 0x000000, 0x100000, CRC(8ab4854e) SHA1(bd2750cdaa2918e56f8aef3732875952a1eeafea) )
+	ROM_REGION( 0x400000, "sprites", 0 )
+	ROM_LOAD64_WORD_SWAP( "d27-04.bin", 0x000006, 0x100000, CRC(ff8b9234) SHA1(6095b7daf9b7e9a22b0d44d9d6a642ddecb2bd29) )   /* OBJ 16x16 tiles: each rom has 1 bitplane */
+	ROM_LOAD64_WORD_SWAP( "d27-05.bin", 0x000004, 0x100000, CRC(96d7c1a5) SHA1(93b6a7aea397280a5a778e736d433a85cb7da52c) )
+	ROM_LOAD64_WORD_SWAP( "d27-06.bin", 0x000002, 0x100000, CRC(bbb934db) SHA1(9e9b5cf05b9275f1182f5b499b8ee897c4f25b96) )
+	ROM_LOAD64_WORD_SWAP( "d27-07.bin", 0x000000, 0x100000, CRC(8ab4854e) SHA1(bd2750cdaa2918e56f8aef3732875952a1eeafea) )
 
 	ROM_REGION16_LE( 0x80000, "spritemap", 0 )
 	ROM_LOAD16_WORD( "d27-03.bin", 0x00000, 0x80000, CRC(23bf2000) SHA1(49b29e771a47fcd7e6cd4e2704b217f9727f8299) ) /* STY, used to create big sprites on the fly */
@@ -353,15 +339,15 @@ ROM_START( gunbustrj )
 	ROM_LOAD16_BYTE( "d27-25.bin", 0x100000, 0x20000, CRC(c88203cf) SHA1(a918d395b471acdce56dacabd7a1e1e023948365) )
 	ROM_LOAD16_BYTE( "d27-24.bin", 0x100001, 0x20000, CRC(084bd8bd) SHA1(93229bc7de4550ead1bb12f666ddbacbe357488d) )
 
-	ROM_REGION( 0x100000, "gfx1", 0 )
-	ROM_LOAD32_WORD_SWAP( "d27-01.bin", 0x00002, 0x80000, CRC(f41759ce) SHA1(30789f43dd09b56399e1dfdb8c6a1e01a21562bd) ) /* SCR 16x16 tiles */
-	ROM_LOAD32_WORD_SWAP( "d27-02.bin", 0x00000, 0x80000, CRC(92ab6430) SHA1(28ed80391c732b09d10c74ed6b78ac76cb62e083) )
+	ROM_REGION( 0x100000, "tc0480scp", 0 )
+	ROM_LOAD32_WORD( "d27-01.bin", 0x00000, 0x80000, CRC(f41759ce) SHA1(30789f43dd09b56399e1dfdb8c6a1e01a21562bd) ) /* SCR 16x16 tiles */
+	ROM_LOAD32_WORD( "d27-02.bin", 0x00002, 0x80000, CRC(92ab6430) SHA1(28ed80391c732b09d10c74ed6b78ac76cb62e083) )
 
-	ROM_REGION( 0x400000, "gfx2", 0 )
-	ROM_LOAD32_BYTE( "d27-04.bin", 0x000003, 0x100000, CRC(ff8b9234) SHA1(6095b7daf9b7e9a22b0d44d9d6a642ddecb2bd29) )   /* OBJ 16x16 tiles: each rom has 1 bitplane */
-	ROM_LOAD32_BYTE( "d27-05.bin", 0x000002, 0x100000, CRC(96d7c1a5) SHA1(93b6a7aea397280a5a778e736d433a85cb7da52c) )
-	ROM_LOAD32_BYTE( "d27-06.bin", 0x000001, 0x100000, CRC(bbb934db) SHA1(9e9b5cf05b9275f1182f5b499b8ee897c4f25b96) )
-	ROM_LOAD32_BYTE( "d27-07.bin", 0x000000, 0x100000, CRC(8ab4854e) SHA1(bd2750cdaa2918e56f8aef3732875952a1eeafea) )
+	ROM_REGION( 0x400000, "sprites", 0 )
+	ROM_LOAD64_WORD_SWAP( "d27-04.bin", 0x000006, 0x100000, CRC(ff8b9234) SHA1(6095b7daf9b7e9a22b0d44d9d6a642ddecb2bd29) )   /* OBJ 16x16 tiles: each rom has 1 bitplane */
+	ROM_LOAD64_WORD_SWAP( "d27-05.bin", 0x000004, 0x100000, CRC(96d7c1a5) SHA1(93b6a7aea397280a5a778e736d433a85cb7da52c) )
+	ROM_LOAD64_WORD_SWAP( "d27-06.bin", 0x000002, 0x100000, CRC(bbb934db) SHA1(9e9b5cf05b9275f1182f5b499b8ee897c4f25b96) )
+	ROM_LOAD64_WORD_SWAP( "d27-07.bin", 0x000000, 0x100000, CRC(8ab4854e) SHA1(bd2750cdaa2918e56f8aef3732875952a1eeafea) )
 
 	ROM_REGION16_LE( 0x80000, "spritemap", 0 )
 	ROM_LOAD16_WORD( "d27-03.bin", 0x00000, 0x80000, CRC(23bf2000) SHA1(49b29e771a47fcd7e6cd4e2704b217f9727f8299) ) /* STY, used to create big sprites on the fly */
diff --git a/src/mame/drivers/slapshot.cpp b/src/mame/drivers/slapshot.cpp
index f8a34b69e7f..280c547b272 100644
--- a/src/mame/drivers/slapshot.cpp
+++ b/src/mame/drivers/slapshot.cpp
@@ -375,31 +375,20 @@ INPUT_PORTS_END
 
 ***********************************************************/
 
-static const gfx_layout tilelayout =
+static const gfx_layout layout_6bpp_hi =
 {
 	16,16,
-	RGN_FRAC(1,2),
-	6,
-	{ RGN_FRAC(1,2)+0, RGN_FRAC(1,2)+1, STEP4(0,1) },
-	{ STEP4(3*4,-4), STEP4(7*4,-4), STEP4(11*4,-4), STEP4(15*4,-4), },
-	{ STEP16(0,16*4) },
-	128*8   /* every sprite takes 128 consecutive bytes */
-};
-
-static const gfx_layout charlayout =
-{
-	16,16,    /* 16*16 characters */
 	RGN_FRAC(1,1),
-	4,        /* 4 bits per pixel */
-	{ STEP4(0,1) },
-	{ STEP8(7*4,-4), STEP8(15*4,-4) },
-	{ STEP16(0,16*4) },
-	128*8     /* every sprite takes 128 consecutive bytes */
+	2,
+	{ STEP2(0,1) },
+	{ STEP4(3*2,-2), STEP4(7*2,-2), STEP4(11*2,-2), STEP4(15*2,-2) },
+	{ STEP16(0,16*2) },
+	16*16*2
 };
 
 static GFXDECODE_START( gfx_slapshot )
-	GFXDECODE_ENTRY( "gfx2", 0x0, tilelayout,    0, 256 ) /* sprite parts */
-	GFXDECODE_ENTRY( "gfx1", 0x0, charlayout, 4096, 256 ) /* playfield */
+	GFXDECODE_ENTRY( "sprites",    0x0, gfx_16x16x4_packed_lsb, 0, 256 ) // low 4bpp of 6bpp sprites
+	GFXDECODE_ENTRY( "sprites_hi", 0x0, layout_6bpp_hi,         0, 256 ) // hi 2bpp of 6bpp sprites
 GFXDECODE_END
 
 
@@ -448,13 +437,11 @@ void slapshot_state::slapshot(machine_config &config)
 	PALETTE(config, m_palette).set_format(palette_device::xRGB_888, 8192);
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_palette);
 	m_tc0480scp->set_offsets(30 + 3, 9);
 	m_tc0480scp->set_offsets_tx(-1, -1);
 	m_tc0480scp->set_offsets_flip(0, 2);
 	m_tc0480scp->set_col_base(4096);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	TC0360PRI(config, m_tc0360pri, 0);
 
@@ -516,13 +503,11 @@ void slapshot_state::opwolf3(machine_config &config)
 	PALETTE(config, m_palette).set_format(palette_device::xRGB_888, 8192);
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_palette);
 	m_tc0480scp->set_offsets(30 + 3, 9);
 	m_tc0480scp->set_offsets_tx(-1, -1);
 	m_tc0480scp->set_offsets_flip(0, 2);
 	m_tc0480scp->set_col_base(4096);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	TC0360PRI(config, m_tc0360pri, 0);
 
@@ -557,15 +542,16 @@ ROM_START( slapshot )
 	ROM_REGION( 0x10000, "audiocpu", 0 )    /* sound cpu */
 	ROM_LOAD    ( "d71-07.77",    0x00000, 0x10000, CRC(dd5f670c) SHA1(743a9563c40fe40178c9ec8eece71a08380c2239) )
 
-	ROM_REGION( 0x100000, "gfx1", 0 )
-	ROM_LOAD32_WORD_SWAP( "d71-04.79", 0x00002, 0x80000, CRC(b727b81c) SHA1(9f56160e2b3e4d59cfa96b5c013f4e368781666e) )  /* SCR */
-	ROM_LOAD32_WORD_SWAP( "d71-05.80", 0x00000, 0x80000, CRC(7b0f5d6d) SHA1(a54e4a651dc7cdc160286afb3d38531c7b9396b1) )
+	ROM_REGION( 0x100000, "tc0480scp", 0 )
+	ROM_LOAD32_WORD( "d71-04.79", 0x00000, 0x80000, CRC(b727b81c) SHA1(9f56160e2b3e4d59cfa96b5c013f4e368781666e) )  /* SCR */
+	ROM_LOAD32_WORD( "d71-05.80", 0x00002, 0x80000, CRC(7b0f5d6d) SHA1(a54e4a651dc7cdc160286afb3d38531c7b9396b1) )
 
-	ROM_REGION( 0x400000, "gfx2", 0 )
-	ROM_LOAD16_BYTE( "d71-01.23", 0x000001, 0x100000, CRC(0b1e8c27) SHA1(ffa452f7414f3d61edb69bb61b29a0cc8d9176d0) )    /* OBJ 6bpp */
-	ROM_LOAD16_BYTE( "d71-02.24", 0x000000, 0x100000, CRC(ccaaea2d) SHA1(71b507f215f37e991abae5523642417a6b23a70d) )
-	ROM_LOAD       ( "d71-03.25", 0x300000, 0x100000, CRC(dccef9ec) SHA1(ee7a49727b822cf4c1d7acff994b77ea6191c423) )
-	ROM_FILL       (              0x200000, 0x100000, 0x00 )
+	ROM_REGION( 0x200000, "sprites", 0 )
+	ROM_LOAD16_BYTE( "d71-01.23", 0x000000, 0x100000, CRC(0b1e8c27) SHA1(ffa452f7414f3d61edb69bb61b29a0cc8d9176d0) )    /* OBJ 4bpp */
+	ROM_LOAD16_BYTE( "d71-02.24", 0x000001, 0x100000, CRC(ccaaea2d) SHA1(71b507f215f37e991abae5523642417a6b23a70d) )
+
+	ROM_REGION( 0x100000, "sprites_hi", 0 )
+	ROM_LOAD       ( "d71-03.25", 0x000000, 0x100000, CRC(dccef9ec) SHA1(ee7a49727b822cf4c1d7acff994b77ea6191c423) )    /* OBJ 2bpp */
 
 	ROM_REGION( 0x80000, "ymsnd", 0 )   /* ADPCM samples */
 	ROM_LOAD( "d71-06.37", 0x00000, 0x80000, CRC(f3324188) SHA1(70dd724441eae8614218bc7f0f51860bd2462f0c) )
@@ -591,15 +577,16 @@ ROM_START( opwolf3 )
 	ROM_REGION( 0x10000, "audiocpu", 0 )    /* sound cpu */
 	ROM_LOAD    ( "d74_22.77",    0x00000, 0x10000, CRC(118374a6) SHA1(cc1d0d28efdf1df3e648e7d932405811854ba4ee) )
 
-	ROM_REGION( 0x400000, "gfx1", 0 )
-	ROM_LOAD32_WORD_SWAP( "d74_05.80", 0x000002, 0x200000, CRC(85ea64cc) SHA1(1960a934191c451df1554323d47f6fc64939b0ce) )    /* SCR */
-	ROM_LOAD32_WORD_SWAP( "d74_06.81", 0x000000, 0x200000, CRC(2fa1e08d) SHA1(f1f34b308202fe08e73535424b5b4e3d91295224) )
+	ROM_REGION( 0x400000, "tc0480scp", 0 )
+	ROM_LOAD32_WORD( "d74_05.80", 0x000000, 0x200000, CRC(85ea64cc) SHA1(1960a934191c451df1554323d47f6fc64939b0ce) )    /* SCR */
+	ROM_LOAD32_WORD( "d74_06.81", 0x000002, 0x200000, CRC(2fa1e08d) SHA1(f1f34b308202fe08e73535424b5b4e3d91295224) )
 
-	ROM_REGION( 0x800000, "gfx2", 0 )
-	ROM_LOAD16_BYTE( "d74_02.23", 0x000001, 0x200000, CRC(aab86332) SHA1(b9133407504e9ef4fd5ae7d284cdb0c7f78f9a99) )    /* OBJ 6bpp */
-	ROM_LOAD16_BYTE( "d74_03.24", 0x000000, 0x200000, CRC(3f398916) SHA1(4b6a3ee0baf5f32e24e5040f233300f1ca347fe7) )
-	ROM_LOAD       ( "d74_04.25", 0x600000, 0x200000, CRC(2f385638) SHA1(1ba2ec7d9b1c491e1cc6d7e646e09ef2bc063f25) )
-	ROM_FILL       (              0x400000, 0x200000, 0x00 )
+	ROM_REGION( 0x400000, "sprites", 0 )
+	ROM_LOAD16_BYTE( "d74_02.23", 0x000000, 0x200000, CRC(aab86332) SHA1(b9133407504e9ef4fd5ae7d284cdb0c7f78f9a99) )    /* OBJ 4bpp */
+	ROM_LOAD16_BYTE( "d74_03.24", 0x000001, 0x200000, CRC(3f398916) SHA1(4b6a3ee0baf5f32e24e5040f233300f1ca347fe7) )
+
+	ROM_REGION( 0x200000, "sprites_hi", 0 )
+	ROM_LOAD       ( "d74_04.25", 0x000000, 0x200000, CRC(2f385638) SHA1(1ba2ec7d9b1c491e1cc6d7e646e09ef2bc063f25) )    /* OBJ 2bpp */
 
 	ROM_REGION( 0x200000, "ymsnd", 0 )  /* ADPCM samples */
 	ROM_LOAD( "d74_01.37",  0x000000, 0x200000, CRC(115313e0) SHA1(51a69e7a26960b1328ccefeaec0fb26bdccc39f2) )
@@ -617,15 +604,16 @@ ROM_START( opwolf3u )
 	ROM_REGION( 0x10000, "audiocpu", 0 )    /* sound cpu */
 	ROM_LOAD    ( "d74_19.77",    0x00000, 0x10000, CRC(05d53f06) SHA1(48b0cd68ad3758f424552a4e3833c5a1c2f1825b) )
 
-	ROM_REGION( 0x400000, "gfx1", 0 )
-	ROM_LOAD32_WORD_SWAP( "d74_05.80", 0x000002, 0x200000, CRC(85ea64cc) SHA1(1960a934191c451df1554323d47f6fc64939b0ce) )    /* SCR */
-	ROM_LOAD32_WORD_SWAP( "d74_06.81", 0x000000, 0x200000, CRC(2fa1e08d) SHA1(f1f34b308202fe08e73535424b5b4e3d91295224) )
+	ROM_REGION( 0x400000, "tc0480scp", 0 )
+	ROM_LOAD32_WORD( "d74_05.80", 0x000000, 0x200000, CRC(85ea64cc) SHA1(1960a934191c451df1554323d47f6fc64939b0ce) )    /* SCR */
+	ROM_LOAD32_WORD( "d74_06.81", 0x000002, 0x200000, CRC(2fa1e08d) SHA1(f1f34b308202fe08e73535424b5b4e3d91295224) )
 
-	ROM_REGION( 0x800000, "gfx2", 0 )
-	ROM_LOAD16_BYTE( "d74_02.23", 0x000001, 0x200000, CRC(aab86332) SHA1(b9133407504e9ef4fd5ae7d284cdb0c7f78f9a99) )    /* OBJ 6bpp */
-	ROM_LOAD16_BYTE( "d74_03.24", 0x000000, 0x200000, CRC(3f398916) SHA1(4b6a3ee0baf5f32e24e5040f233300f1ca347fe7) )
-	ROM_LOAD       ( "d74_04.25", 0x600000, 0x200000, CRC(2f385638) SHA1(1ba2ec7d9b1c491e1cc6d7e646e09ef2bc063f25) )
-	ROM_FILL       (              0x400000, 0x200000, 0x00 )
+	ROM_REGION( 0x400000, "sprites", 0 )
+	ROM_LOAD16_BYTE( "d74_02.23", 0x000000, 0x200000, CRC(aab86332) SHA1(b9133407504e9ef4fd5ae7d284cdb0c7f78f9a99) )    /* OBJ 6bpp */
+	ROM_LOAD16_BYTE( "d74_03.24", 0x000001, 0x200000, CRC(3f398916) SHA1(4b6a3ee0baf5f32e24e5040f233300f1ca347fe7) )
+
+	ROM_REGION( 0x200000, "sprites_hi", 0 )
+	ROM_LOAD       ( "d74_04.25", 0x000000, 0x200000, CRC(2f385638) SHA1(1ba2ec7d9b1c491e1cc6d7e646e09ef2bc063f25) )
 
 	ROM_REGION( 0x200000, "ymsnd", 0 )  /* ADPCM samples */
 	ROM_LOAD( "d74_01.37",  0x000000, 0x200000, CRC(115313e0) SHA1(51a69e7a26960b1328ccefeaec0fb26bdccc39f2) )
@@ -636,25 +624,40 @@ ROM_END
 
 void slapshot_state::driver_init()
 {
-	u8 *gfx = memregion("gfx2")->base();
-	const u32 size = memregion("gfx2")->bytes();
+	/* convert from 2bits into 4bits format */
+	gfx_element *gx0 = m_gfxdecode->gfx(0);
+	gfx_element *gx1 = m_gfxdecode->gfx(1);
 
-	u32 offset = size / 2;
-	for (u32 i = size / 2 + size / 4; i < size; i++)
+	// allocate memory for the assembled data
+	u8 *srcdata = auto_alloc_array(machine(), u8, gx0->elements() * gx0->width() * gx0->height());
+
+	// loop over elements
+	u8 *dest = srcdata;
+	for (int c = 0; c < gx0->elements(); c++)
 	{
-		/* Expand 2bits into 4bits format */
-		const u8 data = gfx[i];
-		const u8 d1 = (data >> 0) & 3;
-		const u8 d2 = (data >> 2) & 3;
-		const u8 d3 = (data >> 4) & 3;
-		const u8 d4 = (data >> 6) & 3;
+		const u8 *c0base = gx0->get_data(c);
+		const u8 *c1base = gx1->get_data(c);
 
-		gfx[offset] = (d3 << 2) | (d4 << 6);
-		offset++;
+		// loop over height
+		for (int y = 0; y < gx0->height(); y++)
+		{
+			const u8 *c0 = c0base;
+			const u8 *c1 = c1base;
 
-		gfx[offset] = (d1 << 2) | (d2 << 6);
-		offset++;
+			for (int x = 0; x < gx0->width(); x++)
+			{
+				u8 hipix = *c1++;
+				*dest++ = (*c0++ & 0xf) | ((hipix << 4) & 0x30);
+			}
+			c0base += gx0->rowbytes();
+			c1base += gx1->rowbytes();
+		}
 	}
+
+	gx0->set_raw_layout(srcdata, gx0->width(), gx0->height(), gx0->elements(), 8 * gx0->width(), 8 * gx0->width() * gx0->height());
+	gx0->set_colors(4096 / 64);
+	gx0->set_granularity(64);
+	m_gfxdecode->set_gfx(1, nullptr);
 }
 
 GAME( 1994, slapshot, 0,       slapshot, slapshot, slapshot_state, driver_init, ROT0, "Taito Corporation",         "Slap Shot (Japan)",        MACHINE_SUPPORTS_SAVE )
diff --git a/src/mame/drivers/superchs.cpp b/src/mame/drivers/superchs.cpp
index c0faeec7458..1de84063936 100644
--- a/src/mame/drivers/superchs.cpp
+++ b/src/mame/drivers/superchs.cpp
@@ -184,26 +184,14 @@ static const gfx_layout tile16x16_layout =
 	16,16,  /* 16*16 sprites */
 	RGN_FRAC(1,1),
 	4,  /* 4 bits per pixel */
-	{ STEP4(0,8) },
-	{ STEP8(8*4,1), STEP8(0,1) },
-	{ STEP16(0,8*4*2) },
+	{ STEP4(0,16) },
+	{ STEP16(0,1) },
+	{ STEP16(0,16*4) },
 	16*16*4   /* every sprite takes 128 consecutive bytes */
 };
 
-static const gfx_layout charlayout =
-{
-	16,16,    /* 16*16 characters */
-	RGN_FRAC(1,1),
-	4,        /* 4 bits per pixel */
-	{ STEP4(0,1) },
-	{ STEP8(7*4,-4), STEP8(15*4,-4) },
-	{ STEP16(0,16*4) },
-	16*16*4     /* every sprite takes 128 consecutive bytes */
-};
-
 static GFXDECODE_START( gfx_superchs )
-	GFXDECODE_ENTRY( "gfx2", 0x0, tile16x16_layout,  0, 512 )
-	GFXDECODE_ENTRY( "gfx1", 0x0, charlayout,        0, 512 )
+	GFXDECODE_ENTRY( "sprites", 0x0, tile16x16_layout, 4096, 256 )
 GFXDECODE_END
 
 
@@ -255,11 +243,9 @@ void superchs_state::superchs(machine_config &config)
 	PALETTE(config, m_palette).set_format(palette_device::xRGB_888, 8192);
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_palette);
 	m_tc0480scp->set_offsets(0x20, 0x08);
 	m_tc0480scp->set_offsets_tx(-1, 0);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	/* sound hardware */
 	TAITO_EN(config, "taito_en", 0);
@@ -290,15 +276,15 @@ ROM_START( superchs )
 	ROM_LOAD16_BYTE( "d46-24.ic127", 0x00000, 0x20000, CRC(a006baa1) SHA1(e691ddab6cb79444bd6c3fc870e0dff3051d8cf9) )
 	ROM_LOAD16_BYTE( "d46-23.ic112", 0x00001, 0x20000, CRC(9a69dbd0) SHA1(13eca492f1db834c599656750864e7003514f3d4) )
 
-	ROM_REGION( 0x200000, "gfx1", 0 )
-	ROM_LOAD32_WORD_SWAP( "d46-05.ic87", 0x00002, 0x100000, CRC(150d0e4c) SHA1(9240b32900be733b8f44868ed5d64f5f1aaadb47) )   /* SCR 16x16 tiles */
-	ROM_LOAD32_WORD_SWAP( "d46-06.ic88", 0x00000, 0x100000, CRC(321308be) SHA1(17e724cce39b1331650c1f08d693d057dcd43a3f) )
+	ROM_REGION( 0x200000, "tc0480scp", 0 )
+	ROM_LOAD32_WORD( "d46-05.ic87", 0x00000, 0x100000, CRC(150d0e4c) SHA1(9240b32900be733b8f44868ed5d64f5f1aaadb47) )   /* SCR 16x16 tiles */
+	ROM_LOAD32_WORD( "d46-06.ic88", 0x00002, 0x100000, CRC(321308be) SHA1(17e724cce39b1331650c1f08d693d057dcd43a3f) )
 
-	ROM_REGION( 0x800000, "gfx2", 0 )
-	ROM_LOAD32_BYTE( "d46-01.ic64", 0x000003, 0x200000, CRC(5c2ae92d) SHA1(bee2caed4729a27fa0569d952d6d12170c2aa2a8) )  /* OBJ 16x16 tiles: each rom has 1 bitplane */
-	ROM_LOAD32_BYTE( "d46-02.ic65", 0x000002, 0x200000, CRC(a83ca82e) SHA1(03759be87a8d62c0044e8a44e90c47308e32d3e5) )
-	ROM_LOAD32_BYTE( "d46-03.ic66", 0x000001, 0x200000, CRC(e0e9cbfd) SHA1(b7deb2c58320af9d1b4273ad2758ce927d2e279c) )
-	ROM_LOAD32_BYTE( "d46-04.ic67", 0x000000, 0x200000, CRC(832769a9) SHA1(136ead19edeee90b5be91a6e2f434193dc670fd8) )
+	ROM_REGION( 0x800000, "sprites", 0 )
+	ROM_LOAD64_WORD_SWAP( "d46-01.ic64", 0x000006, 0x200000, CRC(5c2ae92d) SHA1(bee2caed4729a27fa0569d952d6d12170c2aa2a8) )  /* OBJ 16x16 tiles: each rom has 1 bitplane */
+	ROM_LOAD64_WORD_SWAP( "d46-02.ic65", 0x000004, 0x200000, CRC(a83ca82e) SHA1(03759be87a8d62c0044e8a44e90c47308e32d3e5) )
+	ROM_LOAD64_WORD_SWAP( "d46-03.ic66", 0x000002, 0x200000, CRC(e0e9cbfd) SHA1(b7deb2c58320af9d1b4273ad2758ce927d2e279c) )
+	ROM_LOAD64_WORD_SWAP( "d46-04.ic67", 0x000000, 0x200000, CRC(832769a9) SHA1(136ead19edeee90b5be91a6e2f434193dc670fd8) )
 
 	ROM_REGION16_LE( 0x80000, "spritemap", 0 )
 	ROM_LOAD16_WORD( "d46-07.ic34", 0x00000, 0x80000, CRC(c3b8b093) SHA1(f34364248ca7fdaaa1a0f8f6f795f9b4bc935fb9) )    /* STY, used to create big sprites on the fly */
@@ -340,15 +326,15 @@ ROM_START( superchsu )
 	ROM_LOAD16_BYTE( "d46-24.ic127", 0x00000, 0x20000, CRC(a006baa1) SHA1(e691ddab6cb79444bd6c3fc870e0dff3051d8cf9) )
 	ROM_LOAD16_BYTE( "d46-23.ic112", 0x00001, 0x20000, CRC(9a69dbd0) SHA1(13eca492f1db834c599656750864e7003514f3d4) )
 
-	ROM_REGION( 0x200000, "gfx1", 0 )
-	ROM_LOAD32_WORD_SWAP( "d46-05.ic87", 0x00002, 0x100000, CRC(150d0e4c) SHA1(9240b32900be733b8f44868ed5d64f5f1aaadb47) )   /* SCR 16x16 tiles */
-	ROM_LOAD32_WORD_SWAP( "d46-06.ic88", 0x00000, 0x100000, CRC(321308be) SHA1(17e724cce39b1331650c1f08d693d057dcd43a3f) )
+	ROM_REGION( 0x200000, "tc0480scp", 0 )
+	ROM_LOAD32_WORD( "d46-05.ic87", 0x00000, 0x100000, CRC(150d0e4c) SHA1(9240b32900be733b8f44868ed5d64f5f1aaadb47) )   /* SCR 16x16 tiles */
+	ROM_LOAD32_WORD( "d46-06.ic88", 0x00002, 0x100000, CRC(321308be) SHA1(17e724cce39b1331650c1f08d693d057dcd43a3f) )
 
-	ROM_REGION( 0x800000, "gfx2", 0 )
-	ROM_LOAD32_BYTE( "d46-01.ic64", 0x000003, 0x200000, CRC(5c2ae92d) SHA1(bee2caed4729a27fa0569d952d6d12170c2aa2a8) )  /* OBJ 16x16 tiles: each rom has 1 bitplane */
-	ROM_LOAD32_BYTE( "d46-02.ic65", 0x000002, 0x200000, CRC(a83ca82e) SHA1(03759be87a8d62c0044e8a44e90c47308e32d3e5) )
-	ROM_LOAD32_BYTE( "d46-03.ic66", 0x000001, 0x200000, CRC(e0e9cbfd) SHA1(b7deb2c58320af9d1b4273ad2758ce927d2e279c) )
-	ROM_LOAD32_BYTE( "d46-04.ic67", 0x000000, 0x200000, CRC(832769a9) SHA1(136ead19edeee90b5be91a6e2f434193dc670fd8) )
+	ROM_REGION( 0x800000, "sprites", 0 )
+	ROM_LOAD64_WORD_SWAP( "d46-01.ic64", 0x000006, 0x200000, CRC(5c2ae92d) SHA1(bee2caed4729a27fa0569d952d6d12170c2aa2a8) )  /* OBJ 16x16 tiles: each rom has 1 bitplane */
+	ROM_LOAD64_WORD_SWAP( "d46-02.ic65", 0x000004, 0x200000, CRC(a83ca82e) SHA1(03759be87a8d62c0044e8a44e90c47308e32d3e5) )
+	ROM_LOAD64_WORD_SWAP( "d46-03.ic66", 0x000002, 0x200000, CRC(e0e9cbfd) SHA1(b7deb2c58320af9d1b4273ad2758ce927d2e279c) )
+	ROM_LOAD64_WORD_SWAP( "d46-04.ic67", 0x000000, 0x200000, CRC(832769a9) SHA1(136ead19edeee90b5be91a6e2f434193dc670fd8) )
 
 	ROM_REGION16_LE( 0x80000, "spritemap", 0 )
 	ROM_LOAD16_WORD( "d46-07.ic34", 0x00000, 0x80000, CRC(c3b8b093) SHA1(f34364248ca7fdaaa1a0f8f6f795f9b4bc935fb9) )    /* STY, used to create big sprites on the fly */
@@ -390,15 +376,15 @@ ROM_START( superchsj )
 	ROM_LOAD16_BYTE( "d46-24.ic127", 0x00000, 0x20000, CRC(a006baa1) SHA1(e691ddab6cb79444bd6c3fc870e0dff3051d8cf9) )
 	ROM_LOAD16_BYTE( "d46-23.ic112", 0x00001, 0x20000, CRC(9a69dbd0) SHA1(13eca492f1db834c599656750864e7003514f3d4) )
 
-	ROM_REGION( 0x200000, "gfx1", 0 )
-	ROM_LOAD32_WORD_SWAP( "d46-05.ic87", 0x00002, 0x100000, CRC(150d0e4c) SHA1(9240b32900be733b8f44868ed5d64f5f1aaadb47) )   /* SCR 16x16 tiles */
-	ROM_LOAD32_WORD_SWAP( "d46-06.ic88", 0x00000, 0x100000, CRC(321308be) SHA1(17e724cce39b1331650c1f08d693d057dcd43a3f) )
+	ROM_REGION( 0x200000, "tc0480scp", 0 )
+	ROM_LOAD32_WORD( "d46-05.ic87", 0x00000, 0x100000, CRC(150d0e4c) SHA1(9240b32900be733b8f44868ed5d64f5f1aaadb47) )   /* SCR 16x16 tiles */
+	ROM_LOAD32_WORD( "d46-06.ic88", 0x00002, 0x100000, CRC(321308be) SHA1(17e724cce39b1331650c1f08d693d057dcd43a3f) )
 
-	ROM_REGION( 0x800000, "gfx2", 0 )
-	ROM_LOAD32_BYTE( "d46-01.ic64", 0x000003, 0x200000, CRC(5c2ae92d) SHA1(bee2caed4729a27fa0569d952d6d12170c2aa2a8) )  /* OBJ 16x16 tiles: each rom has 1 bitplane */
-	ROM_LOAD32_BYTE( "d46-02.ic65", 0x000002, 0x200000, CRC(a83ca82e) SHA1(03759be87a8d62c0044e8a44e90c47308e32d3e5) )
-	ROM_LOAD32_BYTE( "d46-03.ic66", 0x000001, 0x200000, CRC(e0e9cbfd) SHA1(b7deb2c58320af9d1b4273ad2758ce927d2e279c) )
-	ROM_LOAD32_BYTE( "d46-04.ic67", 0x000000, 0x200000, CRC(832769a9) SHA1(136ead19edeee90b5be91a6e2f434193dc670fd8) )
+	ROM_REGION( 0x800000, "sprites", 0 )
+	ROM_LOAD64_WORD_SWAP( "d46-01.ic64", 0x000006, 0x200000, CRC(5c2ae92d) SHA1(bee2caed4729a27fa0569d952d6d12170c2aa2a8) )  /* OBJ 16x16 tiles: each rom has 1 bitplane */
+	ROM_LOAD64_WORD_SWAP( "d46-02.ic65", 0x000004, 0x200000, CRC(a83ca82e) SHA1(03759be87a8d62c0044e8a44e90c47308e32d3e5) )
+	ROM_LOAD64_WORD_SWAP( "d46-03.ic66", 0x000002, 0x200000, CRC(e0e9cbfd) SHA1(b7deb2c58320af9d1b4273ad2758ce927d2e279c) )
+	ROM_LOAD64_WORD_SWAP( "d46-04.ic67", 0x000000, 0x200000, CRC(832769a9) SHA1(136ead19edeee90b5be91a6e2f434193dc670fd8) )
 
 	ROM_REGION16_LE( 0x80000, "spritemap", 0 )
 	ROM_LOAD16_WORD( "d46-07.ic34", 0x00000, 0x80000, CRC(c3b8b093) SHA1(f34364248ca7fdaaa1a0f8f6f795f9b4bc935fb9) )    /* STY, used to create big sprites on the fly */
@@ -440,29 +426,29 @@ ROM_START( superchsp )
 	ROM_LOAD16_BYTE( "ic112_3a05.bin", 0x00001, 0x40000, CRC(f95a477d) SHA1(c3ad1987ecd1f48084fba08687bd75ae804342b3) )
 	ROM_LOAD16_BYTE( "ic127_ae27.bin", 0x00000, 0x40000, CRC(8c8cd2a1) SHA1(178ab2df0ea7371ce275d38051643ea19ba88047) )
 
-	ROM_REGION( 0x200000, "gfx1", 0 ) /* SCR 16x16 tiles */
-	ROM_LOAD32_BYTE( "0scn.ic9",    0x00003, 0x080000, CRC(d54e80ec) SHA1(83460cf97b0da8523486ede5bd504710c790b1a6) )
-	ROM_LOAD32_BYTE( "8scn.ic8",    0x00002, 0x080000, CRC(b3da122d) SHA1(1e4198b2d5ce2144a7ca01f418aca33f799dcad2) )
-	ROM_LOAD32_BYTE( "16scn.ic12",  0x00001, 0x080000, CRC(dd26932c) SHA1(31bcc4e0195a6d966829976b89e81e6eb7dde8b6) )
-	ROM_LOAD32_BYTE( "24scn.ic13",  0x00000, 0x080000, CRC(4f560680) SHA1(6398013b8fa5aebc905bf31918e990dd7f5d9490) )
+	ROM_REGION( 0x200000, "tc0480scp", 0 ) /* SCR 16x16 tiles */
+	ROM_LOAD32_BYTE( "0scn.ic9",    0x00000, 0x080000, CRC(d54e80ec) SHA1(83460cf97b0da8523486ede5bd504710c790b1a6) )
+	ROM_LOAD32_BYTE( "8scn.ic8",    0x00001, 0x080000, CRC(b3da122d) SHA1(1e4198b2d5ce2144a7ca01f418aca33f799dcad2) )
+	ROM_LOAD32_BYTE( "16scn.ic12",  0x00002, 0x080000, CRC(dd26932c) SHA1(31bcc4e0195a6d966829976b89e81e6eb7dde8b6) )
+	ROM_LOAD32_BYTE( "24scn.ic13",  0x00003, 0x080000, CRC(4f560680) SHA1(6398013b8fa5aebc905bf31918e990dd7f5d9490) )
 
-	ROM_REGION( 0x800000, "gfx2", 0 )
-	ROM_LOAD64_BYTE( "0lobj.ic14",   0x000003, 0x80000, CRC(972d0866) SHA1(7787312ba99d971eee30d50ddff12629e3bdc8b9) )
-	ROM_LOAD64_BYTE( "16lobj.ic15",  0x000002, 0x80000, CRC(ceefdf0d) SHA1(4463f5d1d81b0fcaa29276c995c31dc89cb97680) )
-	ROM_LOAD64_BYTE( "32lobj.ic16",  0x000001, 0x80000, CRC(1e86a77a) SHA1(886080d3872fe2d592269f6541569a290885a475) )
-	ROM_LOAD64_BYTE( "48lobj.ic17",  0x000000, 0x80000, CRC(1d8f3c72) SHA1(92670fc4d331d1243457b67ec7d98a273d9c9540) )
-	ROM_LOAD64_BYTE( "8lobj.ic4",    0x000007, 0x80000, CRC(e138a3f7) SHA1(94f1deb05286af73f5af60a08944017540ae3387) )
-	ROM_LOAD64_BYTE( "24lobj.ic5",   0x000006, 0x80000, CRC(927e0539) SHA1(8adbd77ae5bf8fa3761ac7c315d1c96f616a0197) )
-	ROM_LOAD64_BYTE( "40lobj.ic6",   0x000005, 0x80000, CRC(3810a203) SHA1(f269c5bea5db18626b716d8c204dace7ab681e28) )
-	ROM_LOAD64_BYTE( "56lobj.ic7",   0x000004, 0x80000, CRC(d66d6b30) SHA1(32e08dacffa706e0b3634fc52cabb2a5fe0f5cf5) )
-	ROM_LOAD64_BYTE( "0h-obj.ic22",  0x400003, 0x80000, CRC(985d31b0) SHA1(8e3c899792de0530f1176af992a90dbbbd3938a8) )
-	ROM_LOAD64_BYTE( "16h-obj.ic23", 0x400002, 0x80000, CRC(1be705e8) SHA1(497ee154ee43e81ee7d7e8106663374be0d5a550) )
-	ROM_LOAD64_BYTE( "32h-obj.ic24", 0x400001, 0x80000, CRC(f9fde123) SHA1(8cdd4c98e2eaca542c9916da1fb933606d3c8e3f) )
-	ROM_LOAD64_BYTE( "48h-obj.ic25", 0x400000, 0x80000, CRC(1c5d28c6) SHA1(9844fd41f7d190b8b11b23e01687f7c40cf8b18a) )
-	ROM_LOAD64_BYTE( "8h-obj.ic30",  0x400007, 0x80000, CRC(5559a1a1) SHA1(cdc2f2f0b086cf2468fb5e2289c2308313be6668) )
-	ROM_LOAD64_BYTE( "24h-obj.ic31", 0x400006, 0x80000, CRC(83e724fb) SHA1(0f93163afa4af328b813502cecaf6824b3717bc7) )
-	ROM_LOAD64_BYTE( "40h-obj.ic32", 0x400005, 0x80000, CRC(6a3b2fa0) SHA1(5a8e7875afe3ba8443811729ede21d23fa7b5082) )
-	ROM_LOAD64_BYTE( "56h-obj.ic33", 0x400004, 0x80000, CRC(3e78a619) SHA1(b37bd46b2098db6c8857ffac7444216c617e4e97) )
+	ROM_REGION( 0x800000, "sprites", 0 )
+	ROM_LOAD64_BYTE( "0lobj.ic14",   0x000007, 0x80000, CRC(972d0866) SHA1(7787312ba99d971eee30d50ddff12629e3bdc8b9) )
+	ROM_LOAD64_BYTE( "8lobj.ic4",    0x000006, 0x80000, CRC(e138a3f7) SHA1(94f1deb05286af73f5af60a08944017540ae3387) )
+	ROM_LOAD64_BYTE( "16lobj.ic15",  0x000005, 0x80000, CRC(ceefdf0d) SHA1(4463f5d1d81b0fcaa29276c995c31dc89cb97680) )
+	ROM_LOAD64_BYTE( "24lobj.ic5",   0x000004, 0x80000, CRC(927e0539) SHA1(8adbd77ae5bf8fa3761ac7c315d1c96f616a0197) )
+	ROM_LOAD64_BYTE( "32lobj.ic16",  0x000003, 0x80000, CRC(1e86a77a) SHA1(886080d3872fe2d592269f6541569a290885a475) )
+	ROM_LOAD64_BYTE( "40lobj.ic6",   0x000002, 0x80000, CRC(3810a203) SHA1(f269c5bea5db18626b716d8c204dace7ab681e28) )
+	ROM_LOAD64_BYTE( "48lobj.ic17",  0x000001, 0x80000, CRC(1d8f3c72) SHA1(92670fc4d331d1243457b67ec7d98a273d9c9540) )
+	ROM_LOAD64_BYTE( "56lobj.ic7",   0x000000, 0x80000, CRC(d66d6b30) SHA1(32e08dacffa706e0b3634fc52cabb2a5fe0f5cf5) )
+	ROM_LOAD64_BYTE( "0h-obj.ic22",  0x400007, 0x80000, CRC(985d31b0) SHA1(8e3c899792de0530f1176af992a90dbbbd3938a8) )
+	ROM_LOAD64_BYTE( "8h-obj.ic30",  0x400006, 0x80000, CRC(5559a1a1) SHA1(cdc2f2f0b086cf2468fb5e2289c2308313be6668) )
+	ROM_LOAD64_BYTE( "16h-obj.ic23", 0x400005, 0x80000, CRC(1be705e8) SHA1(497ee154ee43e81ee7d7e8106663374be0d5a550) )
+	ROM_LOAD64_BYTE( "24h-obj.ic31", 0x400004, 0x80000, CRC(83e724fb) SHA1(0f93163afa4af328b813502cecaf6824b3717bc7) )
+	ROM_LOAD64_BYTE( "32h-obj.ic24", 0x400003, 0x80000, CRC(f9fde123) SHA1(8cdd4c98e2eaca542c9916da1fb933606d3c8e3f) )
+	ROM_LOAD64_BYTE( "40h-obj.ic32", 0x400002, 0x80000, CRC(6a3b2fa0) SHA1(5a8e7875afe3ba8443811729ede21d23fa7b5082) )
+	ROM_LOAD64_BYTE( "48h-obj.ic25", 0x400001, 0x80000, CRC(1c5d28c6) SHA1(9844fd41f7d190b8b11b23e01687f7c40cf8b18a) )
+	ROM_LOAD64_BYTE( "56h-obj.ic33", 0x400000, 0x80000, CRC(3e78a619) SHA1(b37bd46b2098db6c8857ffac7444216c617e4e97) )
 
 	ROM_REGION16_LE( 0x80000, "spritemap", 0 )
 	ROM_LOAD16_BYTE( "0style.ic28", 0x00000, 0x40000, CRC(161263e5) SHA1(3b501dd9c543a9505c3fd7627aa42434eeb1a531) )
@@ -497,29 +483,29 @@ ROM_START( superchsp2 )
 	ROM_LOAD16_BYTE( "ic112.ic112", 0x00001, 0x40000, CRC(98b4b89e) SHA1(f28054e76d08aa104bfabeb0eb2d42b9f3487608) )
 	ROM_LOAD16_BYTE( "ic127.ic127", 0x00000, 0x40000, CRC(41a7a06f) SHA1(80ffe9167ba490ed3c153dc279df65ee758d8d35) )
 
-	ROM_REGION( 0x200000, "gfx1", 0 ) /* SCR 16x16 tiles */
-	ROM_LOAD32_BYTE( "9.ic9",    0x00003, 0x080000, CRC(c0494e23) SHA1(35f94ae1b2f663a7046896f2ae10eacaa8f7c813) )
-	ROM_LOAD32_BYTE( "8.ic8",    0x00002, 0x080000, CRC(e668dd6c) SHA1(619278598c89c828846068399cdadb8206284da6) )
-	ROM_LOAD32_BYTE( "12.ic12",  0x00001, 0x080000, CRC(b4d20bc2) SHA1(2f9fa38447200a3718e3bc23baceb64e903387dc) )
-	ROM_LOAD32_BYTE( "13.ic13",  0x00000, 0x080000, CRC(54090800) SHA1(66aac7896daa843918679b50a6a179ad06921ca1) )
+	ROM_REGION( 0x200000, "tc0480scp", 0 ) /* SCR 16x16 tiles */
+	ROM_LOAD32_BYTE( "9.ic9",    0x00000, 0x080000, CRC(c0494e23) SHA1(35f94ae1b2f663a7046896f2ae10eacaa8f7c813) )
+	ROM_LOAD32_BYTE( "8.ic8",    0x00001, 0x080000, CRC(e668dd6c) SHA1(619278598c89c828846068399cdadb8206284da6) )
+	ROM_LOAD32_BYTE( "12.ic12",  0x00002, 0x080000, CRC(b4d20bc2) SHA1(2f9fa38447200a3718e3bc23baceb64e903387dc) )
+	ROM_LOAD32_BYTE( "13.ic13",  0x00003, 0x080000, CRC(54090800) SHA1(66aac7896daa843918679b50a6a179ad06921ca1) )
 
-	ROM_REGION( 0x800000, "gfx2", 0 )
-	ROM_LOAD64_BYTE( "14.ic14", 0x000003, 0x80000, CRC(9fbd8237) SHA1(392deb7534a61878e282684a9611f374fd14562a) )
-	ROM_LOAD64_BYTE( "15.ic15", 0x000002, 0x80000, CRC(1665c890) SHA1(aede1554c7f71338654f62bc2699763bc4e400a9) )
-	ROM_LOAD64_BYTE( "16.ic16", 0x000001, 0x80000, CRC(a71fa648) SHA1(95dffff8a20e84a6434627255d89837a70de3a6f) )
-	ROM_LOAD64_BYTE( "17.ic17", 0x000000, 0x80000, CRC(2a33d21b) SHA1(b86a0414c4b2108a06572dac5a9f7b0656c3aa88) )
-	ROM_LOAD64_BYTE( "4.ic4",   0x000007, 0x80000, CRC(5cbd609c) SHA1(11985aaa9ce92ac5170f2ffc330583c9104e3e96) )
-	ROM_LOAD64_BYTE( "5.ic5",   0x000006, 0x80000, CRC(5cd6b545) SHA1(2b176ffa60a680b7e20da430dbc62a700aabceab) )
-	ROM_LOAD64_BYTE( "6.ic6",   0x000005, 0x80000, CRC(4996bc41) SHA1(b5c53bbd64cf603fa11088f681d8d48773f18098) )
-	ROM_LOAD64_BYTE( "7.ic7",   0x000004, 0x80000, CRC(24a96745) SHA1(e9fafade59a44d3dcc8937ca918e9f2e0f00732e) )
-	ROM_LOAD64_BYTE( "22.ic22", 0x400003, 0x80000, CRC(3769316a) SHA1(70e8ba5222ab3f1ba9bb3c71d8e9e737ee01c544) )
-	ROM_LOAD64_BYTE( "23.ic23", 0x400002, 0x80000, CRC(875862d9) SHA1(7e26100ada8d88d6ea5443983c18a0f26fe0dbbc) )
-	ROM_LOAD64_BYTE( "24.ic24", 0x400001, 0x80000, CRC(ebf3ac6b) SHA1(93b887302081d104c36ea6f75a4bf7664ea055a0) )
-	ROM_LOAD64_BYTE( "25.ic25", 0x400000, 0x80000, CRC(053f2717) SHA1(a4f398fcc1a0d82f2782fe885fa52fd470744a1e) )
-	ROM_LOAD64_BYTE( "30.ic30", 0x400007, 0x80000, CRC(f9683857) SHA1(5acab4a6fa55692329a8909323bfd0b4e3e2aeec) )
-	ROM_LOAD64_BYTE( "31.ic31", 0x400006, 0x80000, CRC(67afe831) SHA1(016dc96701d30ae97764b58bc5d5e0011e77557c) )
-	ROM_LOAD64_BYTE( "32.ic32", 0x400005, 0x80000, CRC(1c55ac47) SHA1(2b7cd44cd3fb3cbbd49c4ed717b6e6774f600577) )
-	ROM_LOAD64_BYTE( "33.ic33", 0x400004, 0x80000, CRC(0392a90e) SHA1(abdff64a0db9e3293f8fa50042a8ed9cd29edab6) )
+	ROM_REGION( 0x800000, "sprites", 0 )
+	ROM_LOAD64_BYTE( "14.ic14", 0x000007, 0x80000, CRC(9fbd8237) SHA1(392deb7534a61878e282684a9611f374fd14562a) )
+	ROM_LOAD64_BYTE( "4.ic4",   0x000006, 0x80000, CRC(5cbd609c) SHA1(11985aaa9ce92ac5170f2ffc330583c9104e3e96) )
+	ROM_LOAD64_BYTE( "15.ic15", 0x000005, 0x80000, CRC(1665c890) SHA1(aede1554c7f71338654f62bc2699763bc4e400a9) )
+	ROM_LOAD64_BYTE( "5.ic5",   0x000004, 0x80000, CRC(5cd6b545) SHA1(2b176ffa60a680b7e20da430dbc62a700aabceab) )
+	ROM_LOAD64_BYTE( "16.ic16", 0x000003, 0x80000, CRC(a71fa648) SHA1(95dffff8a20e84a6434627255d89837a70de3a6f) )
+	ROM_LOAD64_BYTE( "6.ic6",   0x000002, 0x80000, CRC(4996bc41) SHA1(b5c53bbd64cf603fa11088f681d8d48773f18098) )
+	ROM_LOAD64_BYTE( "17.ic17", 0x000001, 0x80000, CRC(2a33d21b) SHA1(b86a0414c4b2108a06572dac5a9f7b0656c3aa88) )
+	ROM_LOAD64_BYTE( "7.ic7",   0x000000, 0x80000, CRC(24a96745) SHA1(e9fafade59a44d3dcc8937ca918e9f2e0f00732e) )
+	ROM_LOAD64_BYTE( "22.ic22", 0x400007, 0x80000, CRC(3769316a) SHA1(70e8ba5222ab3f1ba9bb3c71d8e9e737ee01c544) )
+	ROM_LOAD64_BYTE( "30.ic30", 0x400006, 0x80000, CRC(f9683857) SHA1(5acab4a6fa55692329a8909323bfd0b4e3e2aeec) )
+	ROM_LOAD64_BYTE( "23.ic23", 0x400005, 0x80000, CRC(875862d9) SHA1(7e26100ada8d88d6ea5443983c18a0f26fe0dbbc) )
+	ROM_LOAD64_BYTE( "31.ic31", 0x400004, 0x80000, CRC(67afe831) SHA1(016dc96701d30ae97764b58bc5d5e0011e77557c) )
+	ROM_LOAD64_BYTE( "24.ic24", 0x400003, 0x80000, CRC(ebf3ac6b) SHA1(93b887302081d104c36ea6f75a4bf7664ea055a0) )
+	ROM_LOAD64_BYTE( "32.ic32", 0x400002, 0x80000, CRC(1c55ac47) SHA1(2b7cd44cd3fb3cbbd49c4ed717b6e6774f600577) )
+	ROM_LOAD64_BYTE( "25.ic25", 0x400001, 0x80000, CRC(053f2717) SHA1(a4f398fcc1a0d82f2782fe885fa52fd470744a1e) )
+	ROM_LOAD64_BYTE( "33.ic33", 0x400000, 0x80000, CRC(0392a90e) SHA1(abdff64a0db9e3293f8fa50042a8ed9cd29edab6) )
 
 	ROM_REGION16_LE( 0x80000, "spritemap", 0 )
 	ROM_LOAD16_BYTE( "27.ic28", 0x00000, 0x40000, CRC(2686bb57) SHA1(ec793ccd5b1bc40ceda91f8aa913e4a423d1ba0a) )
diff --git a/src/mame/drivers/taito_f2.cpp b/src/mame/drivers/taito_f2.cpp
index 2df2827c9eb..efb9fe2b856 100644
--- a/src/mame/drivers/taito_f2.cpp
+++ b/src/mame/drivers/taito_f2.cpp
@@ -2691,11 +2691,28 @@ INPUT_PORTS_END
                         GFX DECODING
 ***********************************************************/
 
+static const gfx_layout layout_6bpp_hi =
+{
+	16,16,
+	RGN_FRAC(1,1),
+	2,
+	{ STEP2(0,1) },
+	{ STEP4(3*2,-2), STEP4(7*2,-2), STEP4(11*2,-2), STEP4(15*2,-2) },
+	{ STEP16(0,16*2) },
+	16*16*2
+};
+
 static GFXDECODE_START( gfx_taitof2 )
 	GFXDECODE_ENTRY( "sprites",     0, gfx_16x16x4_packed_lsb, 0, 256 )   /* sprites */
 	GFXDECODE_ENTRY( "tc0100scn_1", 0, gfx_8x8x4_packed_msb,   0, 256 )   /* playfield */
 GFXDECODE_END
 
+static GFXDECODE_START( gfx_finalb )
+	GFXDECODE_ENTRY( "sprites",     0, gfx_16x16x4_packed_lsb, 0, 256 )   // low 4bpp of 6bpp sprites
+	GFXDECODE_ENTRY( "tc0100scn_1", 0, gfx_8x8x4_packed_msb,   0, 256 )   /* playfield */
+	GFXDECODE_ENTRY( "sprites_hi",  0, layout_6bpp_hi,         0, 256 )   // hi 2bpp of 6bpp sprites
+GFXDECODE_END
+
 static GFXDECODE_START( gfx_thundfox )
 	GFXDECODE_ENTRY( "sprites",     0, gfx_16x16x4_packed_lsb, 0, 256 )   /* sprites */
 	GFXDECODE_ENTRY( "tc0100scn_1", 0, gfx_8x8x4_packed_msb,   0, 256 )   /* playfield */
@@ -2708,8 +2725,7 @@ static GFXDECODE_START( gfx_yuyugogo )
 GFXDECODE_END
 
 static GFXDECODE_START( gfx_deadconx )
-	GFXDECODE_ENTRY( "sprites",   0, gfx_16x16x4_packed_lsb, 0, 256 )  /* sprites */
-	GFXDECODE_ENTRY( "tc0480scp", 0, gfx_16x16x4_packed_lsb, 0, 256 )  /* playfield */
+	GFXDECODE_ENTRY( "sprites", 0, gfx_16x16x4_packed_lsb, 0, 256 )  /* sprites */
 GFXDECODE_END
 
 static const gfx_layout footchmpbl_tilelayout =
@@ -2723,22 +2739,8 @@ static const gfx_layout footchmpbl_tilelayout =
 	16*16   /* every sprite takes 128 consecutive bytes */
 };
 
-static const gfx_layout footchmpbl_charlayout =
-{
-	8,8,  /* 16*16 sprites */
-	256,  /* the ROMs are mostly empty */
-	4,  /* 4 bits per pixel */
-	{ RGN_FRAC(0,4), RGN_FRAC(1,4),RGN_FRAC(2,4),RGN_FRAC(3,4) },
-	{ STEP8(0,1) },
-	{ STEP8(0,8) },
-	8*8   /* every sprite takes 128 consecutive bytes */
-};
-
 static GFXDECODE_START( gfx_footchmpbl )
-	GFXDECODE_ENTRY( "sprites",   0, footchmpbl_tilelayout, 0, 256 )    /* sprites */
-	GFXDECODE_ENTRY( "tc0480scp", 0, footchmpbl_tilelayout, 0, 256 )    /* playfield */
-	GFXDECODE_ENTRY( "gfx3",      0, footchmpbl_charlayout, 0, 256 )    // gets wiped out by the dynamic decode atm
-	GFXDECODE_ENTRY( "gfx3",      0, footchmpbl_charlayout, 0, 256 )    // bootleg should clearly use this instead of the uploaded tiles
+	GFXDECODE_ENTRY( "sprites", 0, footchmpbl_tilelayout, 0, 256 )    /* sprites */
 GFXDECODE_END
 
 
@@ -2871,7 +2873,7 @@ void taitof2_state::finalb(machine_config &config)
 	m_maincpu->set_addrmap(AS_PROGRAM, &taitof2_state::finalb_map);
 
 	/* video hardware */
-	m_gfxdecode->set_info(gfx_taitof2);
+	m_gfxdecode->set_info(gfx_finalb);
 	MCFG_VIDEO_START_OVERRIDE(taitof2_state,finalb)
 	m_screen->screen_vblank().set(FUNC(taitof2_state::screen_vblank_partial_buffer_delayed));
 
@@ -3151,12 +3153,10 @@ void taitof2_state::footchmp(machine_config &config)
 	m_screen->screen_vblank().set(FUNC(taitof2_state::screen_vblank_full_buffer_delayed));
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_palette);
 	m_tc0480scp->set_offsets(0x1d + 3, 0x08);
 	m_tc0480scp->set_offsets_tx(-1, 0);
 	m_tc0480scp->set_offsets_flip(-1, 0);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	TC0360PRI(config, m_tc0360pri, 0);
 }
@@ -3166,6 +3166,7 @@ void taitof2_state::footchmpbl(machine_config &config)
 	footchmp(config);
 
 	/* video hardware */
+	m_tc0480scp->set_gfxlayout(TC0480SCP_LAYOUT_BOOTLEG);
 	m_gfxdecode->set_info(gfx_footchmpbl);
 }
 
@@ -3185,12 +3186,10 @@ void taitof2_state::hthero(machine_config &config)
 	TC0360PRI(config, m_tc0360pri, 0);
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_palette);
 	m_tc0480scp->set_offsets(0x33 + 3, -0x04);
 	m_tc0480scp->set_offsets_tx(-1, 0);
 	m_tc0480scp->set_offsets_flip(-1, 0);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 }
 
 void taitof2_state::koshien(machine_config &config)
@@ -3345,13 +3344,11 @@ void taitof2_state::metalb(machine_config &config)
 	m_screen->set_screen_update(FUNC(taitof2_state::screen_update_metalb));
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_palette);
 	m_tc0480scp->set_offsets(0x32 + 3, -0x04);
 	m_tc0480scp->set_offsets_tx(1, 0);
 	m_tc0480scp->set_offsets_flip(-1, 0);
 	m_tc0480scp->set_col_base(4096);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	TC0360PRI(config, m_tc0360pri, 0);
 }
@@ -3414,12 +3411,10 @@ void taitof2_state::deadconx(machine_config &config)
 	m_screen->set_screen_update(FUNC(taitof2_state::screen_update_deadconx));
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_palette);
 	m_tc0480scp->set_offsets(0x1e + 3, 0x08);
 	m_tc0480scp->set_offsets_tx(-1, 0);
 	m_tc0480scp->set_offsets_flip(-1, 0);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	TC0360PRI(config, m_tc0360pri, 0);
 }
@@ -3437,12 +3432,10 @@ void taitof2_state::deadconxj(machine_config &config)
 	m_screen->set_screen_update(FUNC(taitof2_state::screen_update_deadconx));
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_palette);
 	m_tc0480scp->set_offsets(0x34 + 3, -0x05);
 	m_tc0480scp->set_offsets_tx(-1, 0);
 	m_tc0480scp->set_offsets_flip(-1, 0);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	TC0360PRI(config, m_tc0360pri, 0);
 }
@@ -4750,7 +4743,7 @@ ROM_START( footchmpbl )
 	ROM_LOAD( "ob14.rom4",  0x180000, 0x80000, CRC(28fcaefa) SHA1(f92a19dc24d5faac57a5934e7001e5b0bf9d847c) )
 
 	// ?? more gfx? - should it ignore the uploaded text data and use these?
-	ROM_REGION( 0x40000, "gfx3", 0 )    /* SCR */
+	ROM_REGION( 0x40000, "tc0480scp:textrom", 0 )    /* SCR */
 	ROM_LOAD( "bk33.rom16", 0x000000, 0x10000, CRC(07a371fe) SHA1(27e7ba4ed7f0868206c9d7ca653322ca73929567) )
 	ROM_LOAD( "bk32.rom15", 0x010000, 0x10000, CRC(89020973) SHA1(30174e504734a851a016acf0746d726981edb8f1) )
 	ROM_LOAD( "bk31.rom14", 0x020000, 0x10000, CRC(02a0de4f) SHA1(7446d75608126e3d5693913e5dcb5636ae1e5500) )
@@ -5379,8 +5372,8 @@ ROM_END
 void taitof2_state::init_finalb()
 {
 	/* convert from 2bits into 4bits format */
-	u8 *gfx_hi = memregion("sprites_hi")->base();
 	gfx_element *gx0 = m_gfxdecode->gfx(0);
+	gfx_element *gx1 = m_gfxdecode->gfx(2);
 
 	// allocate memory for the assembled data
 	u8 *srcdata = auto_alloc_array(machine(), u8, gx0->elements() * gx0->width() * gx0->height());
@@ -5390,29 +5383,28 @@ void taitof2_state::init_finalb()
 	for (int c = 0; c < gx0->elements(); c++)
 	{
 		const u8 *c0base = gx0->get_data(c);
+		const u8 *c1base = gx1->get_data(c);
 
 		// loop over height
 		for (int y = 0; y < gx0->height(); y++)
 		{
 			const u8 *c0 = c0base;
+			const u8 *c1 = c1base;
 
-			for (int x = 0; x < gx0->width();)
+			for (int x = 0; x < gx0->width(); x++)
 			{
-				u8 hipix = *gfx_hi++;
-				for (int i = 0; i < 4; i++)
-				{
-					*dest++ = (*c0++ & 0xf) | ((hipix << 4) & 0x30);
-					x++;
-					hipix >>= 2;
-				}
+				u8 hipix = *c1++;
+				*dest++ = (*c0++ & 0xf) | ((hipix << 4) & 0x30);
 			}
 			c0base += gx0->rowbytes();
+			c1base += gx1->rowbytes();
 		}
 	}
 
 	gx0->set_raw_layout(srcdata, gx0->width(), gx0->height(), gx0->elements(), 8 * gx0->width(), 8 * gx0->width() * gx0->height());
 	gx0->set_colors(4096 / 64);
 	gx0->set_granularity(64);
+	m_gfxdecode->set_gfx(2, nullptr);
 }
 
 void taitof2_state::init_cameltry()
diff --git a/src/mame/drivers/taito_z.cpp b/src/mame/drivers/taito_z.cpp
index 5ae807cf28f..9610e574786 100644
--- a/src/mame/drivers/taito_z.cpp
+++ b/src/mame/drivers/taito_z.cpp
@@ -3065,8 +3065,7 @@ static GFXDECODE_START( gfx_chasehq )
 GFXDECODE_END
 
 static GFXDECODE_START( gfx_dblaxle )
-	GFXDECODE_ENTRY( "sprites",   0x0, tile16x8_layout,        0, 256 )    /* sprite parts */
-	GFXDECODE_ENTRY( "tc0480scp", 0x0, gfx_16x16x4_packed_lsb, 0, 256 )    /* playfield */
+	GFXDECODE_ENTRY( "sprites", 0x0, tile16x8_layout, 0, 256 )    /* sprite parts */
 GFXDECODE_END
 
 
@@ -3746,10 +3745,8 @@ void taitoz_state::dblaxle(machine_config &config)
 	MCFG_VIDEO_START_OVERRIDE(taitoz_state,taitoz)
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette("palette");
 	m_tc0480scp->set_offsets(0x1f, 0x08);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	TC0150ROD(config, m_tc0150rod, 0);
 
@@ -3815,10 +3812,8 @@ void taitoz_state::racingb(machine_config &config)
 	MCFG_VIDEO_START_OVERRIDE(taitoz_state,taitoz)
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette("palette");
 	m_tc0480scp->set_offsets(0x1f, 0x08);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	TC0150ROD(config, m_tc0150rod, 0);
 
diff --git a/src/mame/drivers/undrfire.cpp b/src/mame/drivers/undrfire.cpp
index 813988e3054..9ba9e0ca685 100644
--- a/src/mame/drivers/undrfire.cpp
+++ b/src/mame/drivers/undrfire.cpp
@@ -497,16 +497,21 @@ static const gfx_layout tile16x16_layout =
 	16*16   /* every sprite takes 128 consecutive bytes */
 };
 
-static GFXDECODE_START( gfx_undrfire )
-	GFXDECODE_ENTRY( "sprites",   0x0, tile16x16_layout,       0, 512 )
-	GFXDECODE_ENTRY( "tc0480scp", 0x0, gfx_16x16x4_packed_lsb, 0, 512 )
-	GFXDECODE_ENTRY( "tc0100scn", 0x0, gfx_8x8x4_packed_msb,   0, 512 )
-GFXDECODE_END
+static const gfx_layout layout_scc_6bpp_hi =
+{
+	8,8,
+	RGN_FRAC(1,1),
+	2,
+	{ STEP2(0,1) },
+	{ STEP8(0,2) },
+	{ STEP8(0,8*2) },
+	8*8*2
+};
 
-static GFXDECODE_START( gfx_cbombers )
-	GFXDECODE_ENTRY( "sprites",   0x0, tile16x16_layout,            0, 512 )
-	GFXDECODE_ENTRY( "tc0480scp", 0x0, gfx_16x16x4_packed_lsb, 0x1000, 512 )
-	GFXDECODE_ENTRY( "tc0100scn", 0x0, gfx_8x8x4_packed_msb,        0, 512 )
+static GFXDECODE_START( gfx_undrfire )
+	GFXDECODE_ENTRY( "sprites",          0x0, tile16x16_layout,     0, 512 )
+	GFXDECODE_ENTRY( "tc0100scn",        0x0, gfx_8x8x4_packed_msb, 0, 512 ) // low 4bpp of 6bpp scc tiles
+	GFXDECODE_ENTRY( "tc0100scn:hi_gfx", 0x0, layout_scc_6bpp_hi,   0, 512 ) // hi 2bpp of 6bpp scc tiles
 GFXDECODE_END
 
 /***********************************************************
@@ -553,17 +558,15 @@ void undrfire_state::undrfire(machine_config &config)
 	PALETTE(config, m_palette).set_format(palette_device::xRGB_888, 16384);
 
 	TC0100SCN(config, m_tc0100scn, 0);
-	m_tc0100scn->set_gfx_region(2);
+	m_tc0100scn->set_gfx_region(1);
 	m_tc0100scn->set_offsets(50, 8);
 	m_tc0100scn->set_gfxdecode_tag(m_gfxdecode);
 	m_tc0100scn->set_palette(m_palette);
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_palette);
 	m_tc0480scp->set_offsets(0x24, 0);
 	m_tc0480scp->set_offsets_tx(-1, 0);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	/* sound hardware */
 	TAITO_EN(config, "taito_en", 0);
@@ -610,22 +613,20 @@ void undrfire_state::cbombers(machine_config &config)
 	screen.set_screen_update(FUNC(undrfire_state::screen_update_cbombers));
 	screen.set_palette(m_palette);
 
-	GFXDECODE(config, m_gfxdecode, m_palette, gfx_cbombers);
+	GFXDECODE(config, m_gfxdecode, m_palette, gfx_undrfire);
 	PALETTE(config, m_palette).set_format(palette_device::xRGB_888, 16384);
 
 	TC0100SCN(config, m_tc0100scn, 0);
-	m_tc0100scn->set_gfx_region(2);
+	m_tc0100scn->set_gfx_region(1);
 	m_tc0100scn->set_offsets(50, 8);
 	m_tc0100scn->set_gfxdecode_tag(m_gfxdecode);
 	m_tc0100scn->set_palette(m_palette);
 
 	TC0480SCP(config, m_tc0480scp, 0);
-	m_tc0480scp->set_gfx_region(1);
 	m_tc0480scp->set_palette(m_palette);
 	m_tc0480scp->set_offsets(0x24, 0);
 	m_tc0480scp->set_offsets_tx(-1, 0);
 	m_tc0480scp->set_col_base(4096);
-	m_tc0480scp->set_gfxdecode_tag(m_gfxdecode);
 
 	/* sound hardware */
 	TAITO_EN(config, "taito_en", 0);
@@ -969,8 +970,8 @@ ROM_END
 void undrfire_state::driver_init()
 {
 	/* make SCC tile GFX format suitable for gfxdecode */
-	u8 *gfx_hi = memregion("tc0100scn:hi_gfx")->base();
-	gfx_element *gx0 = m_gfxdecode->gfx(2);
+	gfx_element *gx0 = m_gfxdecode->gfx(1);
+	gfx_element *gx1 = m_gfxdecode->gfx(2);
 
 	// allocate memory for the assembled data
 	u8 *srcdata = auto_alloc_array(machine(), u8, gx0->elements() * gx0->width() * gx0->height());
@@ -980,28 +981,27 @@ void undrfire_state::driver_init()
 	for (int c = 0; c < gx0->elements(); c++)
 	{
 		const u8 *c0base = gx0->get_data(c);
+		const u8 *c1base = gx1->get_data(c);
 
 		// loop over height
 		for (int y = 0; y < gx0->height(); y++)
 		{
 			const u8 *c0 = c0base;
+			const u8 *c1 = c1base;
 
-			for (int x = 0; x < gx0->width();)
+			for (int x = 0; x < gx0->width(); x++)
 			{
-				u8 hipix = *gfx_hi++;
-				for (int i = 0; i < 4; i++)
-				{
-					*dest++ = (*c0++ & 0xf) | ((hipix >> 2) & 0x30);
-					x++;
-					hipix <<= 2;
-				}
+				u8 hipix = *c1++;
+				*dest++ = (*c0++ & 0xf) | ((hipix << 4) & 0x30);
 			}
 			c0base += gx0->rowbytes();
+			c1base += gx1->rowbytes();
 		}
 	}
 
 	gx0->set_raw_layout(srcdata, gx0->width(), gx0->height(), gx0->elements(), 8 * gx0->width(), 8 * gx0->width() * gx0->height());
 	gx0->set_granularity(64);
+	m_gfxdecode->set_gfx(2, nullptr);
 	m_tc0100scn->update_granularity();
 }
 
diff --git a/src/mame/video/superchs.cpp b/src/mame/video/superchs.cpp
index 455fc781922..352018a83dd 100644
--- a/src/mame/video/superchs.cpp
+++ b/src/mame/video/superchs.cpp
@@ -81,8 +81,6 @@ void superchs_state::draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, c
 		int zoomy =          (data & 0x0001fc00) >> 10;
 		int y =              (data & 0x000003ff);
 
-		color |= 0x100;
-
 		if (!tilenum) continue;
 
 		flipy = !flipy;
diff --git a/src/mame/video/tc0480scp.cpp b/src/mame/video/tc0480scp.cpp
index 6324f5a6369..b5cfaa7efff 100644
--- a/src/mame/video/tc0480scp.cpp
+++ b/src/mame/video/tc0480scp.cpp
@@ -153,19 +153,17 @@ Control registers
 DEFINE_DEVICE_TYPE(TC0480SCP, tc0480scp_device, "tc0480scp", "Taito TC0480SCP")
 
 tc0480scp_device::tc0480scp_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
-	: device_t(mconfig, TC0480SCP, tag, owner, clock),
-	device_gfx_interface(mconfig, *this),
-	m_pri_reg(0),
-	m_dblwidth(0),
-	m_gfxnum(0),
-	m_x_offset(0),
-	m_y_offset(0),
-	m_text_xoffs(0),
-	m_text_yoffs(0),
-	m_flip_xoffs(0),
-	m_flip_yoffs(0),
-	m_col_base(0),
-	m_gfxdecode(*this, finder_base::DUMMY_TAG)
+	: device_t(mconfig, TC0480SCP, tag, owner, clock)
+	, device_gfx_interface(mconfig, *this)
+	, m_pri_reg(0)
+	, m_dblwidth(0)
+	, m_x_offset(0)
+	, m_y_offset(0)
+	, m_text_xoffs(0)
+	, m_text_yoffs(0)
+	, m_flip_xoffs(0)
+	, m_flip_yoffs(0)
+	, m_col_base(0)
 {
 	memset(m_ctrl, 0, sizeof(m_ctrl));
 
@@ -179,16 +177,61 @@ tc0480scp_device::tc0480scp_device(const machine_config &mconfig, const char *ta
 	}
 }
 
+/*************************************
+ *
+ *  Graphics definitions
+ *
+ *************************************/
+
+GFXDECODE_MEMBER(tc0480scp_device::gfxinfo_default)
+	GFXDECODE_DEVICE(DEVICE_SELF, 0, gfx_16x16x4_packed_lsb, 0, 256)
+GFXDECODE_END
+
+static const gfx_layout bootleg_tilelayout =
+{
+	16,16,  /* 16*16 tiles */
+	RGN_FRAC(1,4),
+	4,  /* 4 bits per pixel */
+	{ RGN_FRAC(0,4),RGN_FRAC(1,4),RGN_FRAC(2,4),RGN_FRAC(3,4) },
+	{ STEP16(0,1) },
+	{ STEP16(0,16) },
+	16*16   /* every tile takes 128 consecutive bytes */
+};
+
+static const gfx_layout bootleg_charlayout =
+{
+	8,8,  /* 8*8 tiles */
+	256,  /* the ROMs are mostly empty */
+	4,  /* 4 bits per pixel */
+	{ RGN_FRAC(0,4),RGN_FRAC(1,4),RGN_FRAC(2,4),RGN_FRAC(3,4) },
+	{ STEP8(0,1) },
+	{ STEP8(0,8) },
+	8*8   /* every tile takes 8 consecutive bytes */
+};
+
+GFXDECODE_MEMBER(tc0480scp_device::gfxinfo_bootleg)
+	GFXDECODE_DEVICE(DEVICE_SELF, 0, bootleg_tilelayout, 0, 256)
+	GFXDECODE_DEVICE("textrom",   0, bootleg_charlayout, 0,  64)    // bootleg should clearly use this instead of the uploaded tiles
+GFXDECODE_END
+
 //-------------------------------------------------
 //  device_start - device-specific startup
 //-------------------------------------------------
 
 void tc0480scp_device::device_start()
 {
-	if(!m_gfxdecode->started())
-		throw device_missing_dependencies();
-
-	int xd, yd;
+	switch (m_gfxlayout)
+	{
+		case TC0480SCP_LAYOUT_COMMON:
+		default:
+			decode_gfx(gfxinfo_default);
+			break;
+		case TC0480SCP_LAYOUT_BOOTLEG:
+			decode_gfx(gfxinfo_bootleg);
+			gfx(1)->set_colorbase(m_col_base);
+			break;
+	}
+	gfx(0)->set_colorbase(m_col_base);
 
 	static const gfx_layout tc0480scp_charlayout =
 	{
@@ -201,20 +244,19 @@ void tc0480scp_device::device_start()
 		32*8    /* every sprite takes 32 consecutive bytes */
 	};
 
-
 	/* Single width versions */
-	m_tilemap[0][0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x0000>),this), TILEMAP_SCAN_ROWS, 16, 16, 32, 32);
-	m_tilemap[1][0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x0800>),this), TILEMAP_SCAN_ROWS, 16, 16, 32, 32);
-	m_tilemap[2][0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x1000>),this), TILEMAP_SCAN_ROWS, 16, 16, 32, 32);
-	m_tilemap[3][0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x1800>),this), TILEMAP_SCAN_ROWS, 16, 16, 32, 32);
-	m_tilemap[4][0] = &machine().tilemap().create(*this,        tilemap_get_info_delegate(FUNC(tc0480scp_device::get_tx_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 64);
+	m_tilemap[0][0] = &machine().tilemap().create(*this, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x0000>),this), TILEMAP_SCAN_ROWS, 16, 16, 32, 32);
+	m_tilemap[1][0] = &machine().tilemap().create(*this, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x0800>),this), TILEMAP_SCAN_ROWS, 16, 16, 32, 32);
+	m_tilemap[2][0] = &machine().tilemap().create(*this, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x1000>),this), TILEMAP_SCAN_ROWS, 16, 16, 32, 32);
+	m_tilemap[3][0] = &machine().tilemap().create(*this, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x1800>),this), TILEMAP_SCAN_ROWS, 16, 16, 32, 32);
+	m_tilemap[4][0] = &machine().tilemap().create(*this, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_tx_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 64);
 
 	/* Double width versions */
-	m_tilemap[0][1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x0000>),this), TILEMAP_SCAN_ROWS, 16, 16, 64, 32);
-	m_tilemap[1][1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x1000>),this), TILEMAP_SCAN_ROWS, 16, 16, 64, 32);
-	m_tilemap[2][1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x2000>),this), TILEMAP_SCAN_ROWS, 16, 16, 64, 32);
-	m_tilemap[3][1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x3000>),this), TILEMAP_SCAN_ROWS, 16, 16, 64, 32);
-	m_tilemap[4][1] = &machine().tilemap().create(*this,        tilemap_get_info_delegate(FUNC(tc0480scp_device::get_tx_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 64);
+	m_tilemap[0][1] = &machine().tilemap().create(*this, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x0000>),this), TILEMAP_SCAN_ROWS, 16, 16, 64, 32);
+	m_tilemap[1][1] = &machine().tilemap().create(*this, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x1000>),this), TILEMAP_SCAN_ROWS, 16, 16, 64, 32);
+	m_tilemap[2][1] = &machine().tilemap().create(*this, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x2000>),this), TILEMAP_SCAN_ROWS, 16, 16, 64, 32);
+	m_tilemap[3][1] = &machine().tilemap().create(*this, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_bg_tile_info<0x3000>),this), TILEMAP_SCAN_ROWS, 16, 16, 64, 32);
+	m_tilemap[4][1] = &machine().tilemap().create(*this, tilemap_get_info_delegate(FUNC(tc0480scp_device::get_tx_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 64);
 
 	for (int i = 0; i < 2; i++)
 	{
@@ -225,8 +267,8 @@ void tc0480scp_device::device_start()
 		m_tilemap[4][i]->set_transparent_pen(0);
 	}
 
-	xd = -m_x_offset;
-	yd =  m_y_offset;
+	const int xd = -m_x_offset;
+	const int yd =  m_y_offset;
 
 	/* Metalb and Deadconx have minor screenflip issues: blue planet
 	   is off on x axis by 1 and in Deadconx the dark blue screen
@@ -274,8 +316,8 @@ void tc0480scp_device::device_start()
 	set_layer_ptrs();
 
 	/* create the char set (gfx will then be updated dynamically from RAM) */
-	set_gfx(0, std::make_unique<gfx_element>(&palette(), tc0480scp_charlayout, (u8 *)&m_ram[0x7000], NATIVE_ENDIAN_VALUE_LE_BE(8,0), 64, m_col_base));  //e000
-	m_gfxdecode->gfx(m_gfxnum)->set_colorbase(m_col_base);
+	if (!gfx(1))
+		set_gfx(1, std::make_unique<gfx_element>(&palette(), tc0480scp_charlayout, (u8 *)&m_ram[0x7000], NATIVE_ENDIAN_VALUE_LE_BE(8,0), 64, m_col_base));  //e000
 
 	save_item(NAME(m_ram));
 	save_item(NAME(m_ctrl));
@@ -305,9 +347,9 @@ void tc0480scp_device::device_reset()
 template<unsigned Offset>
 TILE_GET_INFO_MEMBER(tc0480scp_device::get_bg_tile_info)
 {
-	int code = m_ram[(2 * tile_index) + 1 + Offset] & 0x7fff;
-	int attr = m_ram[(2 * tile_index) + Offset];
-	SET_TILE_INFO_MEMBER(m_gfxnum,
+	const u32 code = m_ram[(2 * tile_index) + 1 + Offset] & 0x7fff;
+	const u16 attr = m_ram[(2 * tile_index) + Offset];
+	SET_TILE_INFO_MEMBER(0,
 			code,
 			(attr & 0xff),
 			TILE_FLIPYX((attr & 0xc000) >> 14));
@@ -315,8 +357,8 @@ TILE_GET_INFO_MEMBER(tc0480scp_device::get_bg_tile_info)
 
 TILE_GET_INFO_MEMBER(tc0480scp_device::get_tx_tile_info)
 {
-	int attr = m_ram[0x6000 + tile_index]; //c000
-	SET_TILE_INFO_MEMBER(0,
+	const u16 attr = m_ram[0x6000 + tile_index]; //c000
+	SET_TILE_INFO_MEMBER(1,
 			attr & 0xff,
 			((attr & 0x3f00) >> 8),
 			TILE_FLIPYX((attr & 0xc000) >> 14));
@@ -377,7 +419,8 @@ void tc0480scp_device::ram_w(offs_t offset, u16 data, u16 mem_mask)
 	}
 	else if (offset <= 0x7fff)
 	{
-		gfx(0)->mark_dirty((offset - 0x7000) / 16);
+		if (m_gfxlayout != TC0480SCP_LAYOUT_BOOTLEG)
+			gfx(1)->mark_dirty((offset - 0x7000) / 16);
 	}
 }
 
diff --git a/src/mame/video/tc0480scp.h b/src/mame/video/tc0480scp.h
index d399aa27ac8..5cc5bb9c1eb 100644
--- a/src/mame/video/tc0480scp.h
+++ b/src/mame/video/tc0480scp.h
@@ -5,14 +5,19 @@
 
 #pragma once
 
+enum
+{
+	TC0480SCP_LAYOUT_COMMON = 0, // default layout
+	TC0480SCP_LAYOUT_BOOTLEG // bootleg layout (footchmpbl need this)
+};
+
 class tc0480scp_device : public device_t, public device_gfx_interface
 {
 public:
 	tc0480scp_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
 
 	// configuration
-	template <typename T> void set_gfxdecode_tag(T &&tag) { m_gfxdecode.set_tag(std::forward<T>(tag)); }
-	void set_gfx_region(int gfxregion) { m_gfxnum = gfxregion; }
+	void set_gfxlayout(int gfxlayout) { m_gfxlayout = gfxlayout; }
 	void set_col_base(int col) { m_col_base = col; }
 	void set_offsets(int x_offset, int y_offset)
 	{
@@ -68,19 +73,21 @@ private:
 	int                m_bgscrolly[4];
 	int                m_pri_reg;
 
+	// decoding info
+	DECLARE_GFXDECODE_MEMBER(gfxinfo_default);
+	DECLARE_GFXDECODE_MEMBER(gfxinfo_bootleg);
+
 	/* We keep two tilemaps for each of the 5 actual tilemaps: one at standard width, one double */
 	tilemap_t          *m_tilemap[5][2];
 	s32                m_dblwidth;
 
-	int                m_gfxnum;
+	int                m_gfxlayout;
 	int                m_x_offset, m_y_offset;
 	int                m_text_xoffs, m_text_yoffs;
 	int                m_flip_xoffs, m_flip_yoffs;
 
 	int                m_col_base;
 
-	required_device<gfxdecode_device> m_gfxdecode;
-
 	template<unsigned Offset> TILE_GET_INFO_MEMBER(get_bg_tile_info);
 	TILE_GET_INFO_MEMBER(get_tx_tile_info);