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Diffstat (limited to 'src/mame/jaleco/bigstrkb.cpp')
-rw-r--r--src/mame/jaleco/bigstrkb.cpp480
1 files changed, 480 insertions, 0 deletions
diff --git a/src/mame/jaleco/bigstrkb.cpp b/src/mame/jaleco/bigstrkb.cpp
new file mode 100644
index 00000000000..b45e3b03c30
--- /dev/null
+++ b/src/mame/jaleco/bigstrkb.cpp
@@ -0,0 +1,480 @@
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
+/* Jaleco's Big Striker (bootleg version)
+
+ Driver by David Haywood
+ Inputs by Stephh
+
+ maybe it could be merged with megasys1.cpp, could be messy
+
+ TODO:
+
+ complete sound (YM2151 like megasys1?)
+ sprite lag (buffers spriteram?)
+
+*/
+
+#include "emu.h"
+
+#include "cpu/m68000/m68000.h"
+#include "sound/okim6295.h"
+
+#include "emupal.h"
+#include "screen.h"
+#include "speaker.h"
+#include "tilemap.h"
+
+
+// configurable logging
+#define LOG_VIDREG (1U << 1)
+
+//#define VERBOSE (LOG_GENERAL | LOG_VIDREG)
+
+#include "logmacro.h"
+
+#define LOGVIDREG(...) LOGMASKED(LOG_VIDREG, __VA_ARGS__)
+
+
+namespace {
+
+class bigstrkb_state : public driver_device
+{
+public:
+ bigstrkb_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_gfxdecode(*this, "gfxdecode"),
+ m_palette(*this, "palette"),
+ m_videoram(*this, "videoram%u", 1U),
+ m_spriteram(*this, "spriteram"),
+ m_vidreg(*this, "vidreg%u", 1U)
+ { }
+
+ void bigstrkb(machine_config &config);
+
+protected:
+ virtual void video_start() override ATTR_COLD;
+
+private:
+ required_device<cpu_device> m_maincpu;
+ required_device<gfxdecode_device> m_gfxdecode;
+ required_device<palette_device> m_palette;
+
+ required_shared_ptr_array<uint16_t, 3> m_videoram;
+ required_shared_ptr<uint16_t> m_spriteram;
+ required_shared_ptr_array<uint16_t, 2> m_vidreg;
+
+ tilemap_t *m_tilemap[3]{};
+
+ template <uint8_t Which> void videoram_w(offs_t offset, uint16_t data);
+
+ TILEMAP_MAPPER_MEMBER(bg_scan);
+ TILE_GET_INFO_MEMBER(get_tile_info);
+ TILE_GET_INFO_MEMBER(get_tile2_info);
+ TILE_GET_INFO_MEMBER(get_tile3_info);
+
+ uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+ void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
+ void prg_map(address_map &map) ATTR_COLD;
+};
+
+
+// Sprites
+
+void bigstrkb_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ /*- SPR RAM Format -**
+
+ 16 bytes per sprite
+
+ nnnn nnnn nnnn nnnn aaaa aaaa aaaa aaaa xxxx xxxx xxxx xxxx yyyy yyyy yyyy yyyy
+ ( rest unused )
+ **- End of Comments -*/
+
+ gfx_element *gfx = m_gfxdecode->gfx(2);
+ uint16_t *source = m_spriteram;
+ uint16_t *finish = source + 0x800 / 2;
+
+ while (source < finish)
+ {
+ int xpos = source[2];
+ int ypos = source[3];
+ const int num = source[0];
+ const int attr = source[1];
+
+ ypos = 0xffff - ypos;
+
+
+ xpos -= 126;
+ ypos -= 16;
+
+ const int flipx = attr & 0x0100;
+ const int col = attr & 0x000f;
+
+ gfx->transpen(bitmap, cliprect, num, col, flipx, 0, xpos,ypos, 15);
+ source += 8;
+ }
+}
+
+// Tilemaps
+
+TILEMAP_MAPPER_MEMBER(bigstrkb_state::bg_scan)
+{
+ int offset = ((col & 0xf) * 16) + (row & 0xf);
+ offset += (col >> 4) * 0x100;
+ offset += (row >> 4) * 0x800;
+
+ return offset;
+}
+
+TILE_GET_INFO_MEMBER(bigstrkb_state::get_tile_info)
+{
+ int tileno = m_videoram[0][tile_index] & 0x0fff;
+ int col = m_videoram[0][tile_index] & 0xf000;
+
+ tileinfo.set(0, tileno, col >> 12, 0);
+}
+
+TILE_GET_INFO_MEMBER(bigstrkb_state::get_tile2_info)
+{
+ int tileno = m_videoram[1][tile_index] & 0x0fff;
+ int col = m_videoram[1][tile_index] & 0xf000;
+
+ tileinfo.set(1, tileno, col >> 12, 0);
+}
+
+TILE_GET_INFO_MEMBER(bigstrkb_state::get_tile3_info)
+{
+ int tileno = m_videoram[2][tile_index] & 0x0fff;
+ int col = m_videoram[2][tile_index] & 0xf000;
+
+ tileinfo.set(1, tileno + 0x2000, (col >> 12) + (0x100 / 16) ,0);
+}
+
+template <uint8_t Which>
+void bigstrkb_state::videoram_w(offs_t offset, uint16_t data)
+{
+ m_videoram[Which][offset] = data;
+ m_tilemap[Which]->mark_tile_dirty(offset);
+}
+
+// Video Start / Update
+
+void bigstrkb_state::video_start()
+{
+ m_tilemap[0] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(bigstrkb_state::get_tile_info)), TILEMAP_SCAN_COLS, 8, 8, 64, 32);
+ m_tilemap[1] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(bigstrkb_state::get_tile2_info)), tilemap_mapper_delegate(*this, FUNC(bigstrkb_state::bg_scan)), 16, 16, 128, 64);
+ m_tilemap[2] = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(bigstrkb_state::get_tile3_info)), tilemap_mapper_delegate(*this, FUNC(bigstrkb_state::bg_scan)), 16, 16, 128, 64);
+
+ m_tilemap[0]->set_transparent_pen(15);
+ //m_tilemap[1]->set_transparent_pen(15);
+ m_tilemap[2]->set_transparent_pen(15);
+}
+
+uint32_t bigstrkb_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+// bitmap.fill(m_palette->black_pen(), cliprect);
+
+ m_tilemap[1]->set_scrollx(0, m_vidreg[0][0] + (256 - 14));
+ m_tilemap[1]->set_scrolly(0, m_vidreg[1][0]);
+
+ m_tilemap[2]->set_scrollx(0, m_vidreg[0][1] + (256 - 14));
+ m_tilemap[2]->set_scrolly(0, m_vidreg[1][1]);
+
+ m_tilemap[1]->draw(screen, bitmap, cliprect, 0, 0);
+ m_tilemap[2]->draw(screen, bitmap, cliprect, 0, 0);
+
+ draw_sprites(bitmap, cliprect);
+ m_tilemap[0]->draw(screen, bitmap, cliprect, 0, 0);
+
+ LOGVIDREG("Regs %08x %08x %08x %08x", m_vidreg[1][0], m_vidreg[1][1], m_vidreg[1][2], m_vidreg[1][3]);
+ return 0;
+}
+
+
+/*
+
+68k interrupts
+lev 1 : 0x64 : 0000 0406 - ?
+lev 2 : 0x68 : 0000 0434 - ?
+lev 3 : 0x6c : 0000 05be - xxx
+lev 4 : 0x70 : 0000 04d2 - ?
+lev 5 : 0x74 : 0000 05be - xxx
+lev 6 : 0x78 : 0004 0000 - vblank?
+lev 7 : 0x7c : 0000 05be - xxx
+
+*/
+
+// Memory maps
+
+// some regions might be too large
+
+void bigstrkb_state::prg_map(address_map &map)
+{
+ map(0x000000, 0x07ffff).rom();
+// map(0x0c0000, 0x0cffff).rw(FUNC(bigstrkb_state::megasys1_vregs_C_r), FUNC(bigstrkb_state::megasys1_vregs_C_w)).share("megasys1_vregs");
+
+ map(0x0c2004, 0x0c2005).nopw();
+ map(0x0c200c, 0x0c200d).nopw();
+ map(0x0c2104, 0x0c2105).nopw();
+ map(0x0c2108, 0x0c2109).nopw();
+ map(0x0c2200, 0x0c2201).nopw();
+ map(0x0c2208, 0x0c2209).nopw();
+ map(0x0c2308, 0x0c2309).nopw(); // bit 0 of DSW1 (flip screen) - use vregs
+
+ map(0x0d0000, 0x0dffff).ram(); // 0xd2000 - 0xd3fff? 0xd8000?
+
+ map(0x0e0000, 0x0e3fff).ram().w(FUNC(bigstrkb_state::videoram_w<1>)).share(m_videoram[1]);
+ map(0x0e8000, 0x0ebfff).ram().w(FUNC(bigstrkb_state::videoram_w<2>)).share(m_videoram[2]);
+ map(0x0ec000, 0x0effff).ram().w(FUNC(bigstrkb_state::videoram_w<0>)).share(m_videoram[0]);
+
+ map(0x0f0000, 0x0f7fff).ram();
+ map(0x0f8000, 0x0f87ff).ram().w(m_palette, FUNC(palette_device::write16)).share("palette");
+ map(0x0f8800, 0x0fffff).ram();
+
+ map(0x1f0000, 0x1f7fff).ram();
+ map(0x1f8000, 0x1f87ff).ram().share(m_spriteram);
+ map(0x1f8800, 0x1fffff).ram();
+
+ map(0x700000, 0x700001).portr("DSW0");
+ map(0x700002, 0x700003).portr("DSW1");
+ map(0x700004, 0x700005).portr("SYSTEM");
+ map(0x70000a, 0x70000b).portr("P2");
+ map(0x70000c, 0x70000d).portr("P1");
+ map(0x700020, 0x700027).writeonly().share(m_vidreg[0]);
+ map(0x700030, 0x700037).writeonly().share(m_vidreg[1]);
+
+ map(0xb00000, 0xb00001).nopw();
+
+ map(0xe00001, 0xe00001).rw("oki1", FUNC(okim6295_device::read), FUNC(okim6295_device::write));
+ map(0xe00003, 0xe00003).rw("oki2", FUNC(okim6295_device::read), FUNC(okim6295_device::write));
+
+ map(0xe00008, 0xe00009).nopw();
+ map(0xe0000c, 0xe0000d).nopw();
+
+ map(0xf00000, 0xffffff).ram();
+}
+
+#define BIGSTRKB_PLAYER_INPUT( player, start ) \
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(player) PORT_8WAY \
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(player) PORT_8WAY \
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(player) PORT_8WAY \
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(player) PORT_8WAY \
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(player) \
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(player) \
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(player) \
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, start )
+
+static INPUT_PORTS_START( bigstrkb )
+ PORT_START("DSW0") // (0x700000.w)
+ PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
+ PORT_DIPSETTING( 0x07, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x08, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x09, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x05, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x03, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x01, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x0e, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0x0d, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0x0c, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0x0b, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0x0a, DEF_STR( 1C_6C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) ) // also set "Coin B" to "Free Play"
+ PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
+ PORT_DIPSETTING( 0x70, DEF_STR( 4C_1C ) )
+ PORT_DIPSETTING( 0x80, DEF_STR( 3C_1C ) )
+ PORT_DIPSETTING( 0x90, DEF_STR( 2C_1C ) )
+ PORT_DIPSETTING( 0xf0, DEF_STR( 1C_1C ) )
+ PORT_DIPSETTING( 0x60, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x50, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x40, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x30, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x20, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0x10, DEF_STR( 2C_3C ) )
+ PORT_DIPSETTING( 0xe0, DEF_STR( 1C_2C ) )
+ PORT_DIPSETTING( 0xd0, DEF_STR( 1C_3C ) )
+ PORT_DIPSETTING( 0xc0, DEF_STR( 1C_4C ) )
+ PORT_DIPSETTING( 0xb0, DEF_STR( 1C_5C ) )
+ PORT_DIPSETTING( 0xa0, DEF_STR( 1C_6C ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) ) // also set "Coin A" to "Free Play"
+
+ PORT_START("DSW1") // (0x700002.w)
+ PORT_DIPNAME( 0x01, 0x01, DEF_STR( Flip_Screen ) ) // Check code at 0x00097c (flip screen)
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x06, 0x06, DEF_STR( Difficulty ) )
+ PORT_DIPSETTING( 0x02, DEF_STR( Easy ) )
+ PORT_DIPSETTING( 0x06, DEF_STR( Normal ) )
+ PORT_DIPSETTING( 0x04, DEF_STR( Hard ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( Hardest ) )
+ PORT_DIPNAME( 0x18, 0x18, "Timer Speed" )
+ PORT_DIPSETTING( 0x08, "Slow" ) // 65
+ PORT_DIPSETTING( 0x18, DEF_STR( Normal ) ) // 50
+ PORT_DIPSETTING( 0x10, "Fast" ) // 35
+ PORT_DIPSETTING( 0x00, "Fastest" ) // 25
+ PORT_DIPUNUSED( 0x20, IP_ACTIVE_LOW )
+ PORT_DIPNAME( 0x40, 0x40, "2 Players Game" )
+ PORT_DIPSETTING( 0x00, "1 Credit" )
+ PORT_DIPSETTING( 0x40, "2 Credits" )
+ PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) // Check code at 0x000c50 (test mode ?)
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START("SYSTEM") // (0x700004.w)
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+ PORT_START("P1") // (0x70000c.w)
+ BIGSTRKB_PLAYER_INPUT( 1, IPT_START1 )
+
+ PORT_START("P2") // (0x70000a.w)
+ BIGSTRKB_PLAYER_INPUT( 2, IPT_START2 )
+INPUT_PORTS_END
+
+// GFX Decode
+
+static const gfx_layout bigstrkb_charlayout =
+{
+ 8,8,
+ RGN_FRAC(1,4),
+ 4,
+ { RGN_FRAC(0,4), RGN_FRAC(1,4), RGN_FRAC(2,4), RGN_FRAC(3,4) },
+ { 0, 1, 2, 3, 4, 5, 6, 7 },
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
+ 8*8
+};
+
+static const gfx_layout bigstrkb_char16layout =
+{
+ 16,16,
+ RGN_FRAC(1,4),
+ 4,
+ { RGN_FRAC(0,4), RGN_FRAC(1,4), RGN_FRAC(2,4), RGN_FRAC(3,4) },
+ { 0, 1, 2, 3, 4, 5, 6, 7,
+ 8, 9,10,11,12,13,14,15 },
+ { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16,
+ 8*16, 9*16,10*16,11*16,12*16,13*16,14*16,15*16 },
+ 16*16
+};
+
+
+
+static GFXDECODE_START( gfx_bigstrkb )
+ GFXDECODE_ENTRY( "fgtiles", 0, bigstrkb_charlayout, 0x200, 16 )
+ GFXDECODE_ENTRY( "bgtiles", 0, bigstrkb_char16layout, 0, 32 )
+ GFXDECODE_ENTRY( "sprites", 0, bigstrkb_char16layout, 0x300, 16 )
+GFXDECODE_END
+
+
+// Machine Driver
+
+void bigstrkb_state::bigstrkb(machine_config &config)
+{
+ M68000(config, m_maincpu, 12'000'000);
+ m_maincpu->set_addrmap(AS_PROGRAM, &bigstrkb_state::prg_map);
+ m_maincpu->set_vblank_int("screen", FUNC(bigstrkb_state::irq6_line_hold));
+
+ GFXDECODE(config, m_gfxdecode, m_palette, gfx_bigstrkb);
+
+ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
+ screen.set_refresh_hz(60);
+ screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
+ screen.set_size(32*8, 32*8);
+ screen.set_visarea(0*8, 32*8-1, 2*8, 30*8-1);
+ screen.set_screen_update(FUNC(bigstrkb_state::screen_update));
+ screen.set_palette(m_palette);
+
+ PALETTE(config, m_palette).set_format(palette_device::RRRRGGGGBBBBRGBx, 0x400);
+
+ SPEAKER(config, "speaker", 2).front();
+// YM2151(config, "ymsnd", 4'000'000);
+
+ okim6295_device &oki1(OKIM6295(config, "oki1", 4'000'000, okim6295_device::PIN7_HIGH));
+ oki1.add_route(ALL_OUTPUTS, "speaker", 0.30, 0);
+ oki1.add_route(ALL_OUTPUTS, "speaker", 0.30, 1);
+
+ okim6295_device &oki2(OKIM6295(config, "oki2", 4'000'000, okim6295_device::PIN7_HIGH));
+ oki2.add_route(ALL_OUTPUTS, "speaker", 0.30, 0);
+ oki2.add_route(ALL_OUTPUTS, "speaker", 0.30, 1);
+}
+
+// Rom Loading
+
+ROM_START( bigstrkb )
+ ROM_REGION( 0x80000, "maincpu", 0 ) // 68000 Code
+ ROM_LOAD16_BYTE( "footgaa.015", 0x00001, 0x40000, CRC(33b1d7f3) SHA1(7a48c3c7f5ed61099d07b3259778ad382b7660a2) )
+ ROM_LOAD16_BYTE( "footgaa.016", 0x00000, 0x40000, CRC(1c6b8709) SHA1(b371cb1421877247d88ffc52ad090b3c6279b78f) )
+
+ ROM_REGION( 0x40000, "fgtiles", 0 ) // 8x8x4
+ ROM_LOAD( "footgaa.005", 0x00000, 0x10000, CRC(d97c9bfe) SHA1(03410a6b5348362575b2463ac9968975eeb0bc39) ) // FIRST AND SECOND HALF IDENTICAL
+ ROM_LOAD( "footgaa.006", 0x10000, 0x10000, CRC(1ae56e8b) SHA1(632ef5ca0ba043115d94e925d23a48cc28eeeb40) ) // FIRST AND SECOND HALF IDENTICAL
+ ROM_LOAD( "footgaa.007", 0x20000, 0x10000, CRC(a45fa6b6) SHA1(95ea6cf98b1fb7600c034f4cedda3cc46a51e199) ) // FIRST AND SECOND HALF IDENTICAL
+ ROM_LOAD( "footgaa.008", 0x30000, 0x10000, CRC(2700888c) SHA1(ef3b4393cd36f5bbe7fdb8a78c8d0bc15022d027) )
+
+ ROM_REGION( 0x200000, "bgtiles", ROMREGION_INVERT ) // 16x16x4
+ ROM_LOAD( "footgaa.001", 0x000000, 0x80000, CRC(0e440841) SHA1(169ce2ba3ace707466fa1138c0841b7a6c90629f) ) // x1xxxxxxxxxxxxxxxxx = 0xFF
+ ROM_LOAD( "footgaa.002", 0x080000, 0x80000, CRC(92a15164) SHA1(31f641a6ab3a6115fbbdf89d65e8316c92bddf2a) ) // x1xxxxxxxxxxxxxxxxx = 0xFF
+ ROM_LOAD( "footgaa.003", 0x100000, 0x80000, CRC(da127b89) SHA1(085c201abcbd7ba3c87e4cf066f7928daebedd5d) ) // x1xxxxxxxxxxxxxxxxx = 0xFF
+ ROM_LOAD( "footgaa.004", 0x180000, 0x80000, CRC(3e6b0d92) SHA1(d8bf2e2d82dc985e8912b23620b19391396bc1af) ) // x1xxxxxxxxxxxxxxxxx = 0xFF
+
+ ROM_REGION( 0x080000, "sprites", ROMREGION_INVERT ) // 16x16x4 Sprites
+ ROM_LOAD( "footgaa.011", 0x000000, 0x20000, CRC(c3924fea) SHA1(85b6775b5aa8c518a1e169b97379a210e25e67c9) )
+ ROM_LOAD( "footgaa.012", 0x020000, 0x20000, CRC(a581e9d7) SHA1(b894186f07612f9372e6d3bc037c65696c070d04) )
+ ROM_LOAD( "footgaa.013", 0x040000, 0x20000, CRC(26ce4b7f) SHA1(4bfd1de6d73dc5e720972bba477081dba0b05ab3) )
+ ROM_LOAD( "footgaa.014", 0x060000, 0x20000, CRC(c3cfc500) SHA1(5dc5780b9977b0544601471004c656c2fd738bcd) )
+
+ ROM_REGION( 0x40000, "oki1", 0 )
+ ROM_LOAD( "footgaa.010", 0x00000, 0x40000, CRC(53014576) SHA1(7f3402b33ef5992a6ae51ce07f0fcdc267c51beb) )
+
+ ROM_REGION( 0x40000, "oki2", 0 )
+ ROM_LOAD( "footgaa.009", 0x00000, 0x40000, CRC(19bf0896) SHA1(30c8e030d7dbcd38f213010596c8f9c5b8089f62) )
+ROM_END
+
+// same as bigstrkb, but less buggy/better presentation, and teams are Italian league instead of international
+ROM_START( bigstrkba )
+ ROM_REGION( 0x80000, "maincpu", 0 ) // 68000 Code
+ ROM_LOAD16_BYTE( "15.cpu16", 0x000000, 0x040000, CRC(204551b5) SHA1(bfc8d284801a2c11677431287bc2e5b8ba7737db) )
+ ROM_LOAD16_BYTE( "16.cpu17", 0x000001, 0x040000, CRC(3ba6997b) SHA1(86c0318a48b42b4622f3397c55584e0779e4f626) )
+
+ ROM_REGION( 0x40000, "fgtiles", 0 ) // 8x8x4
+ ROM_LOAD( "5.bin", 0x000000, 0x010000, CRC(f51ea151) SHA1(fd80280fa99cd08b9f458a4d4078ce59a926b4bc) )
+ ROM_LOAD( "6.bin", 0x010000, 0x010000, CRC(754d750e) SHA1(d0a6be6d373e95404733c125126bbeeed03e370e) )
+ ROM_LOAD( "7.bin", 0x020000, 0x010000, CRC(fbc52546) SHA1(daae9451629b67d532dfd4825b552944e1c585d8) )
+ ROM_LOAD( "8.bin", 0x030000, 0x010000, CRC(62c63eaa) SHA1(4a408703a3d70159d78b0c213ff52a95a8a07884) )
+
+ ROM_REGION( 0x200000, "bgtiles", ROMREGION_INVERT ) // 16x16x4 BG Tiles
+ ROM_LOAD( "1.bin", 0x000000, 0x080000, CRC(c4eb9746) SHA1(ed4436e79abdb043349ee20d22c5454590ab5837) )
+ ROM_LOAD( "2.bin", 0x080000, 0x080000, CRC(aa0beb78) SHA1(42cde54203cab4169099172cfce090725102e44c) )
+ ROM_LOAD( "3.bin", 0x100000, 0x080000, CRC(d02298c5) SHA1(d3da72cc4edc8a6c9c8ec76bb566ded6d0b7b453) )
+ ROM_LOAD( "4.bin", 0x180000, 0x080000, CRC(069ac008) SHA1(30b90d80177de744624e9d9618eebe5471042afd) )
+
+ ROM_REGION( 0x080000, "sprites", ROMREGION_INVERT ) // 16x16x4 Sprites
+ ROM_LOAD( "footgaa.011", 0x000000, 0x20000, CRC(c3924fea) SHA1(85b6775b5aa8c518a1e169b97379a210e25e67c9) )
+ ROM_LOAD( "12.bin", 0x020000, 0x20000, CRC(8e15ea09) SHA1(e591811bb5ecb1782a77883b3ee27212fb703f22) )
+ ROM_LOAD( "footgaa.013", 0x040000, 0x20000, CRC(26ce4b7f) SHA1(4bfd1de6d73dc5e720972bba477081dba0b05ab3) )
+ ROM_LOAD( "footgaa.014", 0x060000, 0x20000, CRC(c3cfc500) SHA1(5dc5780b9977b0544601471004c656c2fd738bcd) )
+
+ ROM_REGION( 0x40000, "oki1", 0 )
+ ROM_LOAD( "footgaa.010", 0x00000, 0x40000, CRC(53014576) SHA1(7f3402b33ef5992a6ae51ce07f0fcdc267c51beb) )
+
+ ROM_REGION( 0x40000, "oki2", 0 )
+ ROM_LOAD( "footgaa.009", 0x00000, 0x40000, CRC(19bf0896) SHA1(30c8e030d7dbcd38f213010596c8f9c5b8089f62) )
+ROM_END
+
+} // anonymous namespace
+
+
+// GAME drivers
+
+GAME( 1992, bigstrkb, bigstrik, bigstrkb, bigstrkb, bigstrkb_state, empty_init, ROT0, "bootleg", "Big Striker (bootleg)", MACHINE_IMPERFECT_SOUND | MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )
+GAME( 1992, bigstrkba, bigstrik, bigstrkb, bigstrkb, bigstrkb_state, empty_init, ROT0, "bootleg", "Big Striker (bootleg w/Italian teams)", MACHINE_IMPERFECT_SOUND | MACHINE_NO_COCKTAIL | MACHINE_SUPPORTS_SAVE )