diff options
Diffstat (limited to 'trunk/src/mame/drivers/ambush.c')
-rw-r--r-- | trunk/src/mame/drivers/ambush.c | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/ambush.c b/trunk/src/mame/drivers/ambush.c new file mode 100644 index 00000000000..a7d0edd6306 --- /dev/null +++ b/trunk/src/mame/drivers/ambush.c @@ -0,0 +1,336 @@ +/*************************************************************************** + + Ambush Memory Map (preliminary) + + driver by Zsolt Vasvari + + + Memory Mapped: + + 0000-7fff R ROM + 8000-87ff R/W RAM + a000 R Watchdog Reset + c080-c09f W Scroll RAM (1 byte for each column) + c100-c1ff W Color RAM (1 line corresponds to 4 in the video ram) + c200-c3ff W Sprite RAM + c400-c7ff W Video RAM + c800 R DIP Switches + cc00-cc03 W ??? (Maybe analog sound triggers?) + cc04 W Flip Screen + cc05 W Color Bank Select + cc07 W Coin Counter + + + I/O Ports: + + 00-01 R/W AY8912 #0 (Port A = Input Port #0) + 80-81 R/W AY8912 #1 (Port A = Input Port #1) + + + TODO: + + - Verify actual Z80 and AY8912 clock speeds from PCB (XTAL confirmed) + +***************************************************************************/ + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "sound/ay8910.h" +#include "includes/ambush.h" + + +/************************************* + * + * Memory handlers + * + *************************************/ + +static WRITE8_HANDLER( ambush_coin_counter_w ) +{ + coin_counter_w(space->machine(), 0, data & 0x01); + coin_counter_w(space->machine(), 1, data & 0x02); +} + +static WRITE8_HANDLER( flip_screen_w ) +{ + flip_screen_set(space->machine(), data); +} + + +/************************************* + * + * Address maps + * + *************************************/ + +static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x7fff) AM_ROM + AM_RANGE(0x8000, 0x87ff) AM_RAM + AM_RANGE(0xa000, 0xa000) AM_READ(watchdog_reset_r) + AM_RANGE(0xc000, 0xc7ff) AM_RAM + AM_RANGE(0xc080, 0xc09f) AM_BASE_MEMBER(ambush_state, m_scrollram) + AM_RANGE(0xc100, 0xc1ff) AM_BASE_MEMBER(ambush_state, m_colorram) + AM_RANGE(0xc200, 0xc3ff) AM_BASE_SIZE_MEMBER(ambush_state, m_spriteram, m_spriteram_size) + AM_RANGE(0xc400, 0xc7ff) AM_BASE_SIZE_MEMBER(ambush_state, m_videoram, m_videoram_size) + AM_RANGE(0xc800, 0xc800) AM_READ_PORT("DSW1") + AM_RANGE(0xcc00, 0xcc03) AM_WRITENOP + AM_RANGE(0xcc04, 0xcc04) AM_WRITE(flip_screen_w) + AM_RANGE(0xcc05, 0xcc05) AM_WRITEONLY AM_BASE_MEMBER(ambush_state, m_colorbank) + AM_RANGE(0xcc07, 0xcc07) AM_WRITE(ambush_coin_counter_w) +ADDRESS_MAP_END + +static ADDRESS_MAP_START( main_portmap, AS_IO, 8 ) + ADDRESS_MAP_GLOBAL_MASK(0xff) + AM_RANGE(0x00, 0x00) AM_DEVREADWRITE("ay1", ay8910_r, ay8910_address_w) + AM_RANGE(0x01, 0x01) AM_DEVWRITE("ay1", ay8910_data_w) + AM_RANGE(0x80, 0x80) AM_DEVREADWRITE("ay2", ay8910_r, ay8910_address_w) + AM_RANGE(0x81, 0x81) AM_DEVWRITE("ay2", ay8910_data_w) +ADDRESS_MAP_END + + +/************************************* + * + * Input ports + * + *************************************/ + +static INPUT_PORTS_START( ambush ) + PORT_START("SYSTEM") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2 ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START2 ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_START1 ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) + + PORT_START("INPUTS") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL + + PORT_START("DSW1") + PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW1:1,2") + PORT_DIPSETTING( 0x00, "3" ) + PORT_DIPSETTING( 0x01, "4" ) + PORT_DIPSETTING( 0x02, "5" ) + PORT_DIPSETTING( 0x03, "6" ) + PORT_DIPNAME( 0x1c, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW1:3,4,5") + PORT_DIPSETTING( 0x10, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x14, DEF_STR( 2C_3C ) ) + PORT_DIPSETTING( 0x04, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x18, DEF_STR( 2C_5C ) ) + PORT_DIPSETTING( 0x08, DEF_STR( 1C_3C ) ) + PORT_DIPSETTING( 0x0c, DEF_STR( 1C_4C ) ) + PORT_DIPSETTING( 0x1c, "Service Mode/Free Play" ) + PORT_DIPNAME( 0x20, 0x00, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW1:6") + PORT_DIPSETTING( 0x00, DEF_STR( Easy ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Hard ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW1:7") + PORT_DIPSETTING( 0x40, "80000" ) + PORT_DIPSETTING( 0x00, "120000" ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW1:8") + PORT_DIPSETTING( 0x80, DEF_STR( Upright ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) ) +INPUT_PORTS_END + +static INPUT_PORTS_START( ambusht ) + PORT_INCLUDE( ambush ) + + PORT_MODIFY("DSW1") + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Allow_Continue ) ) PORT_DIPLOCATION("SW1:3") + PORT_DIPSETTING( 0x00, DEF_STR( No ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Yes ) ) + PORT_DIPNAME( 0x08, 0x00, "Service Mode/Free Play" ) PORT_DIPLOCATION("SW1:4") + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x08, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW1:5") + PORT_DIPSETTING( 0x00, "A 1/1 B 1/2" ) + PORT_DIPSETTING( 0x10, "A 2/1 B 1/3" ) +INPUT_PORTS_END + + +/************************************* + * + * Graphics definitions + * + *************************************/ + +static const gfx_layout charlayout = +{ + 8,8, /* 8*8 chars */ + 1024, /* 2048 characters */ + 2, /* 2 bits per pixel */ + { 0, 0x2000*8 }, /* The bitplanes are separate */ + { 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 /* every char takes 8 consecutive bytes */ +}; + +static const gfx_layout spritelayout = +{ + 16,16, /* 8*8 chars */ + 256, /* 2048 characters */ + 2, /* 2 bits per pixel */ + { 0, 0x2000*8 }, /* The bitplanes are separate */ + { 0, 1, 2, 3, 4, 5, 6, 7, + 8*8+0, 8*8+1, 8*8+2, 8*8+3, 8*8+4, 8*8+5, 8*8+6, 8*8+7 }, + { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, + 16*8, 17*8, 18*8, 19*8, 20*8, 21*8, 22*8, 23*8 }, + 32*8 /* every char takes 32 consecutive bytes */ +}; + +static GFXDECODE_START( ambush ) + GFXDECODE_ENTRY( "gfx1", 0x0000, charlayout, 0, 64 ) + GFXDECODE_ENTRY( "gfx1", 0x0000, spritelayout, 0, 64 ) +GFXDECODE_END + + +/************************************* + * + * Sound interfaces + * + *************************************/ + +static const ay8910_interface ay8912_interface_1 = +{ + AY8910_LEGACY_OUTPUT, + AY8910_DEFAULT_LOADS, + DEVCB_INPUT_PORT("SYSTEM"), + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL +}; + +static const ay8910_interface ay8912_interface_2 = +{ + AY8910_LEGACY_OUTPUT, + AY8910_DEFAULT_LOADS, + DEVCB_INPUT_PORT("INPUTS"), + DEVCB_NULL, + DEVCB_NULL, + DEVCB_NULL +}; + + +/************************************* + * + * Machine driver + * + *************************************/ + +static MACHINE_CONFIG_START( ambush, ambush_state ) + + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", Z80, XTAL_18_432MHz/6) /* XTAL confirmed, divisor guessed */ + MCFG_CPU_PROGRAM_MAP(main_map) + MCFG_CPU_IO_MAP(main_portmap) + MCFG_CPU_VBLANK_INT("screen", irq0_line_hold) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */) + MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MCFG_SCREEN_SIZE(32*8, 32*8) + MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-3) /* The -3 makes the cocktail mode perfect */ + MCFG_SCREEN_UPDATE(ambush) + + MCFG_GFXDECODE(ambush) + MCFG_PALETTE_LENGTH(256) + + MCFG_PALETTE_INIT(ambush) + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + + MCFG_SOUND_ADD("ay1", AY8912, XTAL_18_432MHz/6/2) /* XTAL confirmed, divisor guessed */ + MCFG_SOUND_CONFIG(ay8912_interface_1) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33) + + MCFG_SOUND_ADD("ay2", AY8912, XTAL_18_432MHz/6/2) /* XTAL confirmed, divisor guessed */ + MCFG_SOUND_CONFIG(ay8912_interface_2) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.33) +MACHINE_CONFIG_END + + +/************************************* + * + * ROM definition(s) + * + *************************************/ + +/* displays an M next to ROM 1 during the test, why is internal checksum wrong (0x02 instead of 0x00) ? */ +ROM_START( ambush ) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD( "a1.i7", 0x0000, 0x2000, CRC(a7cd149d) SHA1(470ebe60bc23a7908fb96caef8074d65f8c57625) ) + ROM_LOAD( "a2.g7", 0x2000, 0x2000, CRC(8328d88a) SHA1(690f0af10a0550566b67ee570f849b2764448d15) ) + ROM_LOAD( "a3.f7", 0x4000, 0x2000, CRC(8db57ab5) SHA1(5cc7d7ebdfc91fb8d9ed52836d70c1de68001402) ) + ROM_LOAD( "a4.e7", 0x6000, 0x2000, CRC(4a34d2a4) SHA1(ad623161cd6031cb6503ff7445fdd9fb4ea83c8c) ) + + ROM_REGION( 0x4000, "gfx1", 0 ) + ROM_LOAD( "fa2.n4", 0x0000, 0x2000, CRC(e7f134ba) SHA1(c38321f3da049f756337cba5b3c71f6935922f80) ) + ROM_LOAD( "fa1.m4", 0x2000, 0x2000, CRC(ad10969e) SHA1(4cfccdc4ca377693e92d77cde16f88bbdb840b38) ) + + ROM_REGION( 0x0400, "proms", 0 ) + ROM_LOAD( "a.bpr", 0x0000, 0x0100, CRC(5f27f511) SHA1(fe3ae701443ff50d3d03c0a5d0e0ab0e716b05cc) ) /* color PROMs */ + + ROM_LOAD( "b.bpr", 0x0100, 0x0100, CRC(1b03fd3b) SHA1(1a58b212476cacace6065056f23b59a69053a2f6) ) /* How is this selected, */ + ROM_LOAD( "13.bpr", 0x0200, 0x0100, CRC(547e970f) SHA1(e2ec0bece49fb283e43549703d6d5d6f561c69a6) ) /* I'm not sure what these do. */ + ROM_LOAD( "14.bpr", 0x0300, 0x0100, CRC(622a8ce7) SHA1(6834f67874251f2ef3a33aec893311f5d10e496f) ) /* They don't look like color PROMs */ +ROM_END + +ROM_START( ambushj ) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD( "ambush.h7", 0x0000, 0x2000, CRC(ce306563) SHA1(c69b5c4465187a8eda6367d6cd3e0b71a57588d1) ) + ROM_LOAD( "ambush.g7", 0x2000, 0x2000, CRC(90291409) SHA1(82f1e109bd066ad9fdea1ce0086be6c334e2658a) ) + ROM_LOAD( "ambush.f7", 0x4000, 0x2000, CRC(d023ca29) SHA1(1ac44960cf6d79936517a9ad4bae6ccd825c9496) ) + ROM_LOAD( "ambush.e7", 0x6000, 0x2000, CRC(6cc2d3ee) SHA1(dccb417d156460ca745d7b62f1df733cbf85d092) ) + + ROM_REGION( 0x4000, "gfx1", 0 ) + ROM_LOAD( "ambush.n4", 0x0000, 0x2000, CRC(ecc0dc85) SHA1(577304bb575293b97b50eea4faafb5394e3da0f5) ) + ROM_LOAD( "ambush.m4", 0x2000, 0x2000, CRC(e86ca98a) SHA1(fae0786bb78ead81653adddd2edb3058371ca5bc) ) + + ROM_REGION( 0x0400, "proms", 0 ) + ROM_LOAD( "a.bpr", 0x0000, 0x0100, CRC(5f27f511) SHA1(fe3ae701443ff50d3d03c0a5d0e0ab0e716b05cc) ) /* color PROMs */ + + ROM_LOAD( "b.bpr", 0x0100, 0x0100, CRC(1b03fd3b) SHA1(1a58b212476cacace6065056f23b59a69053a2f6) ) /* How is this selected, */ + ROM_LOAD( "13.bpr", 0x0200, 0x0100, CRC(547e970f) SHA1(e2ec0bece49fb283e43549703d6d5d6f561c69a6) ) /* I'm not sure what these do. */ + ROM_LOAD( "14.bpr", 0x0300, 0x0100, CRC(622a8ce7) SHA1(6834f67874251f2ef3a33aec893311f5d10e496f) ) /* They don't look like color PROMs */ +ROM_END + +ROM_START( ambushv ) + ROM_REGION( 0x10000, "maincpu", 0 ) + ROM_LOAD( "n1_h7.bin", 0x0000, 0x2000, CRC(3c0833b4) SHA1(dd0cfb6da281742114abfe652d38038b078b959e) ) + ROM_LOAD( "ambush.g7", 0x2000, 0x2000, CRC(90291409) SHA1(82f1e109bd066ad9fdea1ce0086be6c334e2658a) ) + ROM_LOAD( "ambush.f7", 0x4000, 0x2000, CRC(d023ca29) SHA1(1ac44960cf6d79936517a9ad4bae6ccd825c9496) ) + ROM_LOAD( "ambush.e7", 0x6000, 0x2000, CRC(6cc2d3ee) SHA1(dccb417d156460ca745d7b62f1df733cbf85d092) ) + + ROM_REGION( 0x4000, "gfx1", 0 ) + ROM_LOAD( "ambush.n4", 0x0000, 0x2000, CRC(ecc0dc85) SHA1(577304bb575293b97b50eea4faafb5394e3da0f5) ) + ROM_LOAD( "ambush.m4", 0x2000, 0x2000, CRC(e86ca98a) SHA1(fae0786bb78ead81653adddd2edb3058371ca5bc) ) + + ROM_REGION( 0x0400, "proms", 0 ) + ROM_LOAD( "a.bpr", 0x0000, 0x0100, CRC(5f27f511) SHA1(fe3ae701443ff50d3d03c0a5d0e0ab0e716b05cc) ) /* color PROMs */ + + ROM_LOAD( "b.bpr", 0x0100, 0x0100, CRC(1b03fd3b) SHA1(1a58b212476cacace6065056f23b59a69053a2f6) ) /* How is this selected, */ + ROM_LOAD( "13.bpr", 0x0200, 0x0100, CRC(547e970f) SHA1(e2ec0bece49fb283e43549703d6d5d6f561c69a6) ) /* I'm not sure what these do. */ + ROM_LOAD( "14.bpr", 0x0300, 0x0100, CRC(622a8ce7) SHA1(6834f67874251f2ef3a33aec893311f5d10e496f) ) /* They don't look like color PROMs */ +ROM_END + +/************************************* + * + * Game driver(s) + * + *************************************/ + +GAME( 1983, ambush, 0, ambush, ambusht, 0, ROT0, "Tecfri", "Ambush", GAME_SUPPORTS_SAVE ) +GAME( 1983, ambushj, ambush, ambush, ambush, 0, ROT0, "Tecfri (Nippon Amuse license)", "Ambush (Japan)", GAME_SUPPORTS_SAVE ) +GAME( 1983, ambushv, ambush, ambush, ambush, 0, ROT0, "Tecfri (Volt Electronics license)", "Ambush (Volt Electronics)", GAME_SUPPORTS_SAVE ) |