diff options
Diffstat (limited to 'src/mame/drivers/battlex.c')
-rw-r--r-- | src/mame/drivers/battlex.c | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/src/mame/drivers/battlex.c b/src/mame/drivers/battlex.c new file mode 100644 index 00000000000..b114719f317 --- /dev/null +++ b/src/mame/drivers/battlex.c @@ -0,0 +1,298 @@ +/* battlex.c - by David Haywood + +Stephh's notes : + + - I don't know exactly how to call the "Free Play" Dip Switch 8( + It's 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 + + - colors match Tim's screen shots, but there's no guarantee RGB are in the + correct order. +*/ + +/* + +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 "driver.h" +#include "sound/ay8910.h" + + +extern WRITE8_HANDLER( battlex_palette_w ); +extern WRITE8_HANDLER( battlex_videoram_w ); +extern WRITE8_HANDLER( battlex_scroll_x_lsb_w ); +extern WRITE8_HANDLER( battlex_scroll_x_msb_w ); +extern WRITE8_HANDLER( battlex_flipscreen_w ); + +extern PALETTE_INIT( battlex ); +extern VIDEO_START( battlex ); +extern VIDEO_UPDATE( battlex ); + + +/*** MEMORY & PORT READ / WRITE **********************************************/ + +static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x5fff) AM_READ(MRA8_ROM) + AM_RANGE(0x8000, 0x8fff) AM_READ(MRA8_RAM) /* not read? */ + AM_RANGE(0x9000, 0x91ff) AM_READ(MRA8_RAM) /* not read? */ + AM_RANGE(0xa000, 0xa3ff) AM_READ(MRA8_RAM) + AM_RANGE(0xe000, 0xe03f) AM_READ(MRA8_RAM) /* not read? */ +ADDRESS_MAP_END + +static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x5fff) AM_WRITE(MWA8_ROM) + AM_RANGE(0x8000, 0x8fff) AM_WRITE(battlex_videoram_w) AM_BASE(&videoram) + AM_RANGE(0x9000, 0x91ff) AM_WRITE(MWA8_RAM) AM_BASE(&spriteram) + AM_RANGE(0xa000, 0xa3ff) AM_WRITE(MWA8_RAM) /* main */ + AM_RANGE(0xe000, 0xe03f) AM_WRITE(battlex_palette_w) /* probably palette */ +ADDRESS_MAP_END + +static ADDRESS_MAP_START( readport, ADDRESS_SPACE_IO, 8 ) + ADDRESS_MAP_FLAGS( AMEF_ABITS(8) ) + AM_RANGE(0x00, 0x00) AM_READ(input_port_0_r) + AM_RANGE(0x01, 0x01) AM_READ(input_port_1_r) + AM_RANGE(0x02, 0x02) AM_READ(input_port_2_r) + AM_RANGE(0x03, 0x03) AM_READ(input_port_3_r) +ADDRESS_MAP_END + + +static ADDRESS_MAP_START( writeport, ADDRESS_SPACE_IO, 8 ) + ADDRESS_MAP_FLAGS( AMEF_ABITS(8) ) + AM_RANGE(0x10, 0x10) AM_WRITE(battlex_flipscreen_w) + /* verify all of these */ + AM_RANGE(0x22, 0x22) AM_WRITE(AY8910_write_port_0_w) + AM_RANGE(0x23, 0x23) AM_WRITE(AY8910_control_port_0_w) + + /* 0x30 looks like scroll, but can't be ? changes (increases or decreases) + depending on the direction your ship is facing on lev 2. at least */ + AM_RANGE(0x30, 0x30) AM_WRITE(MWA8_NOP) + + 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 /* 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_DIPNAME( 0x10, 0x00, "Freeze" ) // VBLANK ? + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x10, DEF_STR( On ) ) + 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 /* 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_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) 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 /* IN2 */ + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL + + PORT_START /* IN3 */ + PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coin_A ) ) + 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 + +/*** GFX DECODE **************************************************************/ + + +static const gfx_layout battlex_charlayout = +{ + 8,8, + RGN_FRAC(1,1), + 4, + { 0,1,2,3 }, + { 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4 }, + { 0*8*4, 1*8*4, 2*8*4, 3*8*4, 4*8*4, 5*8*4, 6*8*4, 7*8*4 }, + 8*8*4 +}; + + +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( REGION_GFX1, 0, battlex_charlayout, 0, 8 ) + GFXDECODE_ENTRY( REGION_GFX2, 0, battlex_spritelayout, 16*8, 8 ) +GFXDECODE_END + +/*** MACHINE DRIVERS *********************************************************/ + +static MACHINE_DRIVER_START( battlex ) + + /* basic machine hardware */ + MDRV_CPU_ADD(Z80,10000000/2 ) /* 10 MHz, divided ? (Z80A CPU) */ + MDRV_CPU_PROGRAM_MAP(readmem,writemem) + MDRV_CPU_IO_MAP(readport,writeport) + MDRV_CPU_VBLANK_INT(irq0_line_hold,8) /* controls game speed? */ + + MDRV_SCREEN_REFRESH_RATE(56) /* The video syncs at 15.8k H and 56 V (www.klov.com) */ + MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(32*8, 32*8) + MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1) + MDRV_GFXDECODE(battlex) + MDRV_PALETTE_LENGTH(16*8+64) + + MDRV_PALETTE_INIT(battlex) + MDRV_VIDEO_START(battlex) + MDRV_VIDEO_UPDATE(battlex) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_MONO("mono") + MDRV_SOUND_ADD(AY8910, 10000000/8) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40) +MACHINE_DRIVER_END + + +/*** ROM LOADING *************************************************************/ + +ROM_START( battlex ) + ROM_REGION( 0x10000, REGION_CPU1, 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( 0x4000, REGION_GFX1, ROMREGION_ERASE00 ) + /* filled in later */ +// ROM_LOAD( "2732.e", 0x0000, 0x1000, CRC(126842b7) SHA1(2da4f64e077232c1dd0853d07d801f9781517850) ) + + ROM_REGION( 0x3000, REGION_GFX2, 0 ) + ROM_LOAD( "2732.f", 0x0000, 0x1000, CRC(2b69287a) SHA1(30c0edaec44118b95ec390bd41c1bd49a2802451) ) + ROM_LOAD( "2732.h", 0x1000, 0x1000, CRC(9f4c3bdd) SHA1(e921ecafefe54c033d05d9cd289808e971ac7940) ) + ROM_LOAD( "2732.j", 0x2000, 0x1000, CRC(c1345b05) SHA1(17194c8ec961990222bd295ff1d036a64f497b0e) ) + + ROM_REGION( 0x1000, REGION_USER1, 0 ) /* line colours? or bad? */ + ROM_LOAD( "2732.d", 0x0000, 0x1000, CRC(750a46ef) SHA1(b6ab93e084ab0b7c6ad90ee6431bc1b7ab9ed46d) ) + + ROM_REGION( 0x1000, REGION_USER2, 0 ) + ROM_LOAD( "2732.e", 0x0000, 0x1000, CRC(126842b7) SHA1(2da4f64e077232c1dd0853d07d801f9781517850) ) +ROM_END + +static DRIVER_INIT( battlex ) +{ + UINT8 *cold = memory_region ( REGION_USER1 ); + UINT8 *mskd = memory_region ( REGION_USER2 ); + UINT8 *dest = memory_region ( REGION_GFX1 ); + + int outcount; + + /* convert gfx data from 1bpp + color block mask to straight 4bpp */ + for (outcount = 0; outcount < (0x1000/8); outcount++) + { + int linecount; + for (linecount = 0; linecount < 8; linecount ++) + { + int bitmask = 0x01; + int bitcount; + + for (bitcount = 0;bitcount < 8 ; bitcount ++) + { + int bit, col; + bit = (mskd[outcount*8+linecount] & bitmask) >> bitcount; + + if (bit) col = (cold[outcount*8+(linecount&~1)+(bitcount/4)] & 0x0f) << 4; + else col = (cold[outcount*8+(linecount&~1)+(bitcount/4)] & 0xf0); + + dest[outcount*32 + linecount*4 + bitcount /2] |= (col >> (4*(bitcount & 1))); + bitmask = bitmask << 1; + } + } + } +} + +/*** GAME DRIVERS ************************************************************/ + +GAME( 1982, battlex, 0, battlex, battlex, battlex, ROT180, "Omori Electric", "Battle Cross", GAME_IMPERFECT_GRAPHICS ) |