/*************************************************************************** Omori Battle Cross driver by David Haywood Stephh's notes : - I don't know exactly how to call the "Free Play" Dip Switch 8( Its effect is the following : * you need to insert at least one credit and start a game * when the game is over, you can start another games WITHOUT inserting another coins Note that the number of credits is decremented though. Credits are BCD coded on 3 bytes (0x000000-0x999999) at addresses 0xa039 (LSB), 0xa03a and 0xa03b (MSB), but only the LSB is displayed. - Setting the flipscreen dip to ON also hides the copyright message (?) TO DO : - missing starfield - game speed, its seems to be controlled by the IRQ's, how fast should it be? firing seems frustratingly inconsistant (better with PORT_IMPULSE) - background tile colors, not understood well **************************************************************************** Battle Cross (c)1982 Omori CPU: Z80A Sound: AY-3-8910 Other: 93419 (in socket marked 93219) RAM: 4116(x12), 2114(x2), 2114(x6) PROMS: none XTAL: 10.0 MHz ***************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "sound/ay8910.h" #include "includes/battlex.h" INTERRUPT_GEN_MEMBER(battlex_state::battlex_interrupt) { m_in0_b4 = 1; device.execute().set_input_line(0, ASSERT_LINE); } CUSTOM_INPUT_MEMBER(battlex_state::battlex_in0_b4_r) { UINT32 ret = m_in0_b4; if (m_in0_b4) { machine().device("maincpu")->execute().set_input_line(0, CLEAR_LINE); m_in0_b4 = 0; } return ret; } /************************************* * * Memory maps * *************************************/ static ADDRESS_MAP_START( battlex_map, AS_PROGRAM, 8, battlex_state ) AM_RANGE(0x0000, 0x5fff) AM_ROM AM_RANGE(0x8000, 0x8fff) AM_RAM_WRITE(battlex_videoram_w) AM_SHARE("videoram") AM_RANGE(0x9000, 0x91ff) AM_RAM AM_SHARE("spriteram") AM_RANGE(0xa000, 0xa3ff) AM_RAM AM_RANGE(0xe000, 0xe03f) AM_RAM_WRITE(battlex_palette_w) ADDRESS_MAP_END static ADDRESS_MAP_START( io_map, AS_IO, 8, battlex_state ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_READ_PORT("DSW1") AM_RANGE(0x01, 0x01) AM_READ_PORT("SYSTEM") AM_RANGE(0x02, 0x02) AM_READ_PORT("INPUTS") AM_RANGE(0x03, 0x03) AM_READ_PORT("DSW2") AM_RANGE(0x10, 0x10) AM_WRITE(battlex_flipscreen_w) /* verify all of these */ AM_RANGE(0x22, 0x23) AM_DEVWRITE_LEGACY("aysnd", ay8910_data_address_w) AM_RANGE(0x30, 0x30) AM_WRITE(battlex_scroll_starfield_w) AM_RANGE(0x32, 0x32) AM_WRITE(battlex_scroll_x_lsb_w) AM_RANGE(0x33, 0x33) AM_WRITE(battlex_scroll_x_msb_w) ADDRESS_MAP_END /************************************* * * Input ports * *************************************/ static INPUT_PORTS_START( battlex ) PORT_START("DSW1") /* IN0 */ PORT_DIPNAME( 0x03, 0x00, DEF_STR( Coin_A ) ) PORT_DIPSETTING( 0x02, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x03, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) PORT_DIPNAME( 0x04, 0x04, DEF_STR( Allow_Continue ) ) // Not on 1st stage PORT_DIPSETTING( 0x00, DEF_STR( No ) ) PORT_DIPSETTING( 0x04, DEF_STR( Yes ) ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Demo_Sounds ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x08, DEF_STR( On ) ) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, battlex_state,battlex_in0_b4_r, NULL) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Cabinet ) ) PORT_DIPSETTING( 0x20, DEF_STR( Upright ) ) PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) ) PORT_DIPNAME( 0x40, 0x00, DEF_STR( Flip_Screen ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START("SYSTEM") /* IN1 */ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_COIN2 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_IMPULSE(4) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_IMPULSE(4) PORT_COCKTAIL PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_START1 ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START2 ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN ) PORT_START("INPUTS") /* IN2 */ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_4WAY PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_4WAY PORT_COCKTAIL PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_4WAY PORT_COCKTAIL PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_4WAY PORT_COCKTAIL PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_4WAY PORT_COCKTAIL PORT_START("DSW2") /* IN3 */ PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coin_B ) ) PORT_DIPSETTING( 0x07, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x05, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x06, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x03, DEF_STR( 1C_6C ) ) PORT_DIPSETTING( 0x04, DEF_STR( 1C_7C ) ) PORT_DIPNAME( 0x18, 0x10, DEF_STR( Lives ) ) PORT_DIPSETTING( 0x00, "1" ) PORT_DIPSETTING( 0x08, "2" ) PORT_DIPSETTING( 0x10, "3" ) PORT_DIPSETTING( 0x18, "5" ) PORT_DIPNAME( 0x60, 0x00, DEF_STR( Bonus_Life ) ) PORT_DIPSETTING( 0x00, "5000" ) PORT_DIPSETTING( 0x20, "10000" ) PORT_DIPSETTING( 0x40, "15000" ) PORT_DIPSETTING( 0x60, "20000" ) PORT_DIPNAME( 0x80, 0x00, DEF_STR( Free_Play ) ) // See notes PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) INPUT_PORTS_END /************************************* * * Graphics definitions * *************************************/ static const gfx_layout battlex_charlayout = { 8,8, RGN_FRAC(1,3), 3, { 0,RGN_FRAC(1,3),RGN_FRAC(2,3) }, { 7,6,5,4,3,2,1,0 }, { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 }; static const gfx_layout battlex_spritelayout = { 16,16, RGN_FRAC(1,3), 3, { 0,RGN_FRAC(1,3),RGN_FRAC(2,3) }, { 7,6,5,4,3,2,1,0, 15,14,13,12,11,10,9,8 }, { 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( battlex ) GFXDECODE_ENTRY( "gfx1", 0, battlex_charlayout, 0, 8 ) GFXDECODE_ENTRY( "gfx2", 0, battlex_spritelayout, 0, 8 ) GFXDECODE_END /************************************* * * Machine driver * *************************************/ static const ay8910_interface battlex_ay8910_interface = { AY8910_LEGACY_OUTPUT, AY8910_DEFAULT_LOADS, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }; void battlex_state::machine_start() { /* register for save states */ save_item(NAME(m_scroll_lsb)); save_item(NAME(m_scroll_msb)); save_item(NAME(m_starfield_enabled)); save_item(NAME(m_in0_b4)); } void battlex_state::machine_reset() { m_scroll_lsb = 0; m_scroll_msb = 0; m_starfield_enabled = 0; m_in0_b4 = 0; } static MACHINE_CONFIG_START( battlex, battlex_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80,XTAL_10MHz/4 ) // ? MCFG_CPU_PROGRAM_MAP(battlex_map) MCFG_CPU_IO_MAP(io_map) MCFG_CPU_PERIODIC_INT_DRIVER(battlex_state, battlex_interrupt, 400) /* controls game speed? */ /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_SIZE(32*8, 32*8) MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1) MCFG_SCREEN_UPDATE_DRIVER(battlex_state, screen_update_battlex) MCFG_GFXDECODE(battlex) MCFG_PALETTE_LENGTH(64) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("aysnd", AY8910, XTAL_10MHz/8) // ? MCFG_SOUND_CONFIG(battlex_ay8910_interface) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40) MACHINE_CONFIG_END /************************************* * * ROM definition * *************************************/ ROM_START( battlex ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "p-rom1.6", 0x0000, 0x1000, CRC(b00ae551) SHA1(32a963fea23ea58fc3aab93cc814784a932f045e) ) ROM_LOAD( "p-rom2.5", 0x1000, 0x1000, CRC(e765bb11) SHA1(99671e63f4c7d3d8754277451f0b35cba03b532d) ) ROM_LOAD( "p-rom3.4", 0x2000, 0x1000, CRC(21675a91) SHA1(5bbd5b53b1a1b7aaed5d8c7b09b57f35e4a774dc) ) ROM_LOAD( "p-rom4.3", 0x3000, 0x1000, CRC(fff1ccc4) SHA1(2cb9b096b30e441559e57992df8f30aee46b1f1c) ) ROM_LOAD( "p-rom5.2", 0x4000, 0x1000, CRC(ceb63d38) SHA1(92cab905d009c59115f52172ba7d01c8ff8991d7) ) ROM_LOAD( "p-rom6.1", 0x5000, 0x1000, CRC(6923f601) SHA1(e6c33cbd8d8679299d7b2c568d56f96ed3073971) ) ROM_REGION( 0x3000, "gfx2", 0 ) ROM_LOAD( "1a_f.6f", 0x0000, 0x1000, CRC(2b69287a) SHA1(30c0edaec44118b95ec390bd41c1bd49a2802451) ) ROM_LOAD( "1a_h.6h", 0x1000, 0x1000, CRC(9f4c3bdd) SHA1(e921ecafefe54c033d05d9cd289808e971ac7940) ) ROM_LOAD( "1a_j.6j", 0x2000, 0x1000, CRC(c1345b05) SHA1(17194c8ec961990222bd295ff1d036a64f497b0e) ) ROM_REGION( 0x3000, "gfx1", ROMREGION_ERASE00 ) // filled in later ROM_REGION( 0x1000, "user2", 0 ) // gfx1 1bpp gfxdata ROM_LOAD( "1a_e.6e", 0x0000, 0x1000, CRC(126842b7) SHA1(2da4f64e077232c1dd0853d07d801f9781517850) ) ROM_REGION( 0x1000, "user1", 0 ) // gfx1 colormask, bad? ROM_LOAD( "1a_d.6d", 0x0000, 0x1000, CRC(750a46ef) SHA1(b6ab93e084ab0b7c6ad90ee6431bc1b7ab9ed46d) ) ROM_END /************************************* * * Driver initialization * *************************************/ DRIVER_INIT_MEMBER(battlex_state,battlex) { UINT8 *colormask = machine().root_device().memregion("user1")->base(); UINT8 *gfxdata = machine().root_device().memregion("user2")->base(); UINT8 *dest = machine().root_device().memregion("gfx1")->base(); int tile, line, bit; /* convert gfx data from 1bpp + color block mask to straight 3bpp */ for (tile = 0; tile < 512; tile++) { for (line = 0; line < 8; line ++) { for (bit = 0; bit < 8 ; bit ++) { int plane; int color = colormask[tile << 3 | line]; int data = gfxdata[tile << 3 | line] >> bit & 1; if (!data) color >>= 4; for (plane = 2; plane >= 0; plane--) { dest[tile << 3 | line | (plane << 12)] |= (color & 1) << bit; color >>= 1; } } } } } /************************************* * * Game driver * *************************************/ GAME( 1982, battlex, 0, battlex, battlex, battlex_state, battlex, ROT180, "Omori Electric Co., Ltd.", "Battle Cross", GAME_IMPERFECT_GRAPHICS | GAME_IMPERFECT_COLORS | GAME_SUPPORTS_SAVE )