diff options
Diffstat (limited to 'trunk/src/mame/drivers/battlex.c')
-rw-r--r-- | trunk/src/mame/drivers/battlex.c | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/battlex.c b/trunk/src/mame/drivers/battlex.c new file mode 100644 index 00000000000..eaca394b87c --- /dev/null +++ b/trunk/src/mame/drivers/battlex.c @@ -0,0 +1,353 @@ +/*************************************************************************** + + 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" + + +static INTERRUPT_GEN( battlex_interrupt ) +{ + battlex_state *state = device->machine().driver_data<battlex_state>(); + state->m_in0_b4 = 1; + device_set_input_line(device, 0, ASSERT_LINE); +} + +CUSTOM_INPUT_MEMBER(battlex_state::battlex_in0_b4_r) +{ + UINT32 ret = m_in0_b4; + if (m_in0_b4) + { + cputag_set_input_line(machine(), "maincpu", 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 +}; + +static MACHINE_START( battlex ) +{ + battlex_state *state = machine.driver_data<battlex_state>(); + + /* register for save states */ + state->save_item(NAME(state->m_scroll_lsb)); + state->save_item(NAME(state->m_scroll_msb)); + state->save_item(NAME(state->m_starfield_enabled)); + state->save_item(NAME(state->m_in0_b4)); +} + +static MACHINE_RESET( battlex ) +{ + battlex_state *state = machine.driver_data<battlex_state>(); + + state->m_scroll_lsb = 0; + state->m_scroll_msb = 0; + state->m_starfield_enabled = 0; + state->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(battlex_interrupt,400) /* controls game speed? */ + + MCFG_MACHINE_START(battlex) + MCFG_MACHINE_RESET(battlex) + + /* 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_STATIC(battlex) + + MCFG_GFXDECODE(battlex) + MCFG_PALETTE_LENGTH(64) + MCFG_VIDEO_START(battlex) + + /* 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 + * + *************************************/ + +static DRIVER_INIT( 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, ROT180, "Omori Electric Co., Ltd.", "Battle Cross", GAME_IMPERFECT_GRAPHICS | GAME_IMPERFECT_COLORS | GAME_SUPPORTS_SAVE ) |