diff options
Diffstat (limited to 'src/mame/drivers/mole.c')
-rw-r--r-- | src/mame/drivers/mole.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/mame/drivers/mole.c b/src/mame/drivers/mole.c new file mode 100644 index 00000000000..45475aebdae --- /dev/null +++ b/src/mame/drivers/mole.c @@ -0,0 +1,242 @@ +// MOLE ATTACK YACHIYO 1982 +// known clones: "Holy Moly" +// +// emulated by Jason Nelson, Phil Stroffolino +// known issues: +// some dips not mapped +// protection isn't fully understood, but game seems to be +// ok. +// +// buttons are laid out as follows: +// 7 8 9 +// 4 5 6 +// 1 2 3 +// +// Working RAM notes: +// 0x2e0 number of credits +// 0x2F1 coin up trigger +// 0x2F2 round counter +// 0x2F3 flag value +// 0x2FD hammer aim for attract mode +// 0x2E1-E2 high score +// 0x2ED-EE score +// 0x301-309 presence and height of mole in each hole, from bottom left +// 0x30a +// 0x32E-336 if a hammer is above a mole. (Not the same as collision) +// 0x337 dip switch related +// 0x338 dip switch related +// 0x340 hammer control: manual=0; auto=1 +// 0x34C round point 10s. +// 0x34D which bonus round pattern to use for moles. +// 0x349 button pressed (0..8 / 0xff) +// 0x350 number of players +// 0x351 irq-related +// 0x361 +// 0x362 +// 0x363 +// 0x364 +// 0x366 mirrors tile bank +// 0x36B controls which player is playing. (1 == player 2); +// 0x3DC affects mole popmessage +// 0x3E5 round point/passing point control? +// 0x3E7 round point/passing point control? + +#include "driver.h" +#include "sound/ay8910.h" + + +extern WRITE8_HANDLER(mole_videoram_w); +extern WRITE8_HANDLER(mole_tilebank_w); +extern WRITE8_HANDLER(mole_flipscreen_w); + +extern PALETTE_INIT(mole); +extern VIDEO_START(mole); +extern VIDEO_UPDATE(mole); + + +static READ8_HANDLER( mole_protection_r ) +{ + /* Following are all known examples of Mole Attack + ** code reading from the protection circuitry: + ** + ** 5b0b: + ** ram[0x0361] = (ram[0x885+ram[0x8a5])&ram[0x886] + ** ram[0x0363] = ram[0x886] + ** + ** 53c9: + ** ram[0xe0] = ram[0x800]+ram[0x802]+ram[0x804] + ** ram[0xea] = ram[0x828] + ** + ** ram[0xe2] = (ram[0x806]&ram[0x826])|ram[0x820] + ** ram[0xe3] = ram[0x826] + ** + ** ram[0x361] = (ram[0x8cd]&ram[0x8ad])|ram[0x8ce] + ** ram[0x362] = ram[0x8ae] = 0x32 + ** + ** ram[0x363] = ram[0x809]+ram[0x829]+ram[0x828] + ** ram[0x364] = ram[0x808] + */ + + switch (offset) + { + case 0x08: return 0xb0; /* random mole placement */ + case 0x26: + if (activecpu_get_pc() == 0x53d7) + { + return 0x06; /* bonus round */ + } + else + { // pc == 0x515b, 0x5162 + return 0xc6; /* game start */ + } + case 0x86: return 0x91; /* game over */ + case 0xae: return 0x32; /* coinage */ + } + + /* The above are critical protection reads. + ** It isn't clear what effect (if any) the + ** remaining reads have; for now we simply + ** return 0x00 + */ + return 0x00; +} + + +static ADDRESS_MAP_START( mole_map, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x03ff) AM_RAM + AM_RANGE(0x0800, 0x08ff) AM_READ(mole_protection_r) + AM_RANGE(0x0800, 0x0800) AM_WRITENOP // ??? + AM_RANGE(0x0820, 0x0820) AM_WRITENOP // ??? + AM_RANGE(0x5000, 0x7fff) AM_MIRROR(0x8000) AM_ROM + AM_RANGE(0x8000, 0x83ff) AM_RAM AM_WRITE(mole_videoram_w) AM_BASE(&videoram) + AM_RANGE(0x8400, 0x8400) AM_WRITE(mole_tilebank_w) + AM_RANGE(0x8c00, 0x8c00) AM_WRITE(AY8910_write_port_0_w) + AM_RANGE(0x8c01, 0x8c01) AM_WRITE(AY8910_control_port_0_w) + AM_RANGE(0x8c40, 0x8c40) AM_WRITENOP // ??? + AM_RANGE(0x8c80, 0x8c80) AM_WRITENOP // ??? + AM_RANGE(0x8c81, 0x8c81) AM_WRITENOP // ??? + AM_RANGE(0x8d00, 0x8d00) AM_READWRITE(input_port_0_r, watchdog_reset_w) + AM_RANGE(0x8d40, 0x8d40) AM_READ(input_port_1_r) + AM_RANGE(0x8d80, 0x8d80) AM_READ(input_port_2_r) + AM_RANGE(0x8dc0, 0x8dc0) AM_READWRITE(input_port_3_r, mole_flipscreen_w) +ADDRESS_MAP_END + + +static INPUT_PORTS_START( mole ) + PORT_START // 0x8d00 + PORT_DIPNAME( 0x01, 0x00, "Round Points" ) + PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x01, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x00, DEF_STR( Coinage ) ) + PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) ) + PORT_DIPNAME( 0x0c, 0x00, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x00, "A" ) + PORT_DIPSETTING( 0x04, "B" ) + PORT_DIPSETTING( 0x08, "C" ) + PORT_DIPSETTING( 0x0c, "D" ) + PORT_DIPNAME( 0x30, 0x00, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x00, "A" ) + PORT_DIPSETTING( 0x10, "B" ) + PORT_DIPSETTING( 0x20, "C" ) + PORT_DIPSETTING( 0x30, "D" ) + PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNUSED ) + + PORT_START // 0x8d40 + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON2 ) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON3 ) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON4 ) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON5 ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON6 ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON7 ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON8 ) + + PORT_START // 0x8d80 + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON9 ) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_COCKTAIL + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_COCKTAIL + PORT_DIPNAME( 0x10, 0x00, DEF_STR( Cabinet ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Upright ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Cocktail ) ) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_START2 ) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_START1 ) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_COIN1 ) + + PORT_START // 0x8dc0 + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON8 ) PORT_COCKTAIL + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_COCKTAIL + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_COCKTAIL + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON9 ) PORT_COCKTAIL + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_COCKTAIL + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_COCKTAIL + PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNUSED ) +INPUT_PORTS_END + + +static const gfx_layout tile_layout = +{ + 8,8, /* character size */ + 512, /* number of characters */ + 3, /* number of bitplanes */ + { 0x0000*8, 0x1000*8, 0x2000*8 }, + { 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 GFXDECODE_START( mole ) + GFXDECODE_ENTRY( REGION_GFX1, 0x0000, tile_layout, 0x00, 1 ) + GFXDECODE_ENTRY( REGION_GFX1, 0x3000, tile_layout, 0x00, 1 ) +GFXDECODE_END + + +static MACHINE_DRIVER_START( mole ) + // basic machine hardware + MDRV_CPU_ADD(M6502, 4000000) // ??? + MDRV_CPU_PROGRAM_MAP(mole_map, 0) + MDRV_CPU_VBLANK_INT(irq0_line_hold, 1) + + MDRV_SCREEN_REFRESH_RATE(60) + 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(40*8, 25*8) + MDRV_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 0*8, 25*8-1) + MDRV_GFXDECODE(mole) + MDRV_PALETTE_LENGTH(8) + MDRV_COLORTABLE_LENGTH(8) + + MDRV_PALETTE_INIT(mole) + MDRV_VIDEO_START(mole) + MDRV_VIDEO_UPDATE(mole) + + // sound hardware + MDRV_SPEAKER_STANDARD_MONO("mono") + + MDRV_SOUND_ADD(AY8910, 2000000) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) +MACHINE_DRIVER_END + + +ROM_START( mole ) // ALL ROMS ARE 2732 + ROM_REGION( 0x10000, REGION_CPU1, 0 ) // 64k for 6502 code + ROM_LOAD( "m3a.5h", 0x5000, 0x1000, CRC(5fbbdfef) SHA1(8129e90a05b3ca50f47f7610eec51c16c8609590) ) + ROM_LOAD( "m2a.7h", 0x6000, 0x1000, CRC(f2a90642) SHA1(da6887725d70924fc4b9cca83172276976f5020c) ) + ROM_LOAD( "m1a.8h", 0x7000, 0x1000, CRC(cff0119a) SHA1(48fc81b8c68e977680e7b8baf1193f0e7e0cd013) ) + + ROM_REGION( 0x6000, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "mea.4a", 0x0000, 0x1000, CRC(49d89116) SHA1(aa4cde07e10624072e50ba5bd209acf93092cf78) ) + ROM_LOAD( "mca.6a", 0x1000, 0x1000, CRC(04e90300) SHA1(c908a3a651e50428eedc2974160cdbf2ed946abc) ) + ROM_LOAD( "maa.9a", 0x2000, 0x1000, CRC(6ce9442b) SHA1(c08bf0911f1dfd4a3f9452efcbb3fd3688c4bf8c) ) + ROM_LOAD( "mfa.3a", 0x3000, 0x1000, CRC(0d0c7d13) SHA1(8a6d371571391f2b54ffa65b77e4e83fd607d2c9) ) + ROM_LOAD( "mda.5a", 0x4000, 0x1000, CRC(41ae1842) SHA1(afc169c3245b0946ef81e65d0b755d498ee71667) ) + ROM_LOAD( "mba.8a", 0x5000, 0x1000, CRC(50c43fc9) SHA1(af478f3d89cd6c87f32dcdda7fabce25738c340b) ) +ROM_END + + +GAME( 1982, mole, 0, mole, mole, 0, ROT0, "Yachiyo Electronics, Ltd.", "Mole Attack", 0 ) |