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Diffstat (limited to 'src/mame/drivers/mole.c')
-rw-r--r--src/mame/drivers/mole.c242
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diff --git a/src/mame/drivers/mole.c b/src/mame/drivers/mole.c
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+++ b/src/mame/drivers/mole.c
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+// 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 )