diff options
Diffstat (limited to 'src/mame/drivers/mole.cpp')
-rw-r--r-- | src/mame/drivers/mole.cpp | 374 |
1 files changed, 374 insertions, 0 deletions
diff --git a/src/mame/drivers/mole.cpp b/src/mame/drivers/mole.cpp new file mode 100644 index 00000000000..b86dbc3b10c --- /dev/null +++ b/src/mame/drivers/mole.cpp @@ -0,0 +1,374 @@ +// license:??? +// copyright-holders:Jason Nelson, Phil Stroffolino +/***************************************************************************** + + MOLE ATTACK by Yachiyo Electronics Co.,LTD. 1982 + + Known Clones: + "Holey Moley", from tai (Thomas Automatics, Inc.) + + emulated by Jason Nelson, Phil Stroffolino + + Known Issues: + - some dips not mapped + - protection isn't fully understood, but game seems to be ok. + - cpu speeds unverified + + 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 "emu.h" +#include "cpu/m6502/m6502.h" +#include "sound/ay8910.h" + + +class mole_state : public driver_device +{ +public: + mole_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_gfxdecode(*this, "gfxdecode") + { } + + required_device<cpu_device> m_maincpu; + required_device<gfxdecode_device> m_gfxdecode; + + /* video-related */ + tilemap_t *m_bg_tilemap; + int m_tile_bank; + + /* memory */ + UINT16 m_tileram[0x400]; + + DECLARE_WRITE8_MEMBER(mole_tileram_w); + DECLARE_WRITE8_MEMBER(mole_tilebank_w); + DECLARE_WRITE8_MEMBER(mole_irqack_w); + DECLARE_WRITE8_MEMBER(mole_flipscreen_w); + DECLARE_READ8_MEMBER(mole_protection_r); + TILE_GET_INFO_MEMBER(get_bg_tile_info); + virtual void machine_start(); + virtual void machine_reset(); + virtual void video_start(); + UINT32 screen_update_mole(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); +}; + + +/************************************* + * + * Video emulation + * + *************************************/ + +TILE_GET_INFO_MEMBER(mole_state::get_bg_tile_info) +{ + UINT16 code = m_tileram[tile_index]; + + SET_TILE_INFO_MEMBER((code & 0x200) ? 1 : 0, code & 0x1ff, 0, 0); +} + +void mole_state::video_start() +{ + memset(m_tileram, 0, sizeof(m_tileram)); + m_bg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(mole_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 40, 25); + + save_item(NAME(m_tileram)); +} + +WRITE8_MEMBER(mole_state::mole_tileram_w) +{ + m_tileram[offset] = data | (m_tile_bank << 8); + m_bg_tilemap->mark_tile_dirty(offset); +} + +WRITE8_MEMBER(mole_state::mole_tilebank_w) +{ + m_tile_bank = data; +} + +WRITE8_MEMBER(mole_state::mole_irqack_w) +{ + m_maincpu->set_input_line(0, CLEAR_LINE); +} + +WRITE8_MEMBER(mole_state::mole_flipscreen_w) +{ + flip_screen_set(data & 0x01); +} + +UINT32 mole_state::screen_update_mole(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0); + return 0; +} + + + +/************************************* + * + * Memory handlers + * + *************************************/ + +READ8_MEMBER(mole_state::mole_protection_r) +{ + /* Following are all known examples of Mole Attack + ** code reading from the protection circuitry: + ** + ** 5b09: + ** ram[0x0361] = (ram[0x885+ram[0x8a5])&ram[0x886] + ** ram[0x0363] = ram[0x886] + ** + ** 53c7: + ** 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 (space.device().safe_pc() == 0x53d5) + { + return 0x06; /* bonus round */ + } + else + { // pc == 0x5159, 0x5160 + 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; +} + + +/************************************* + * + * Address maps + * + *************************************/ + +static ADDRESS_MAP_START( mole_map, AS_PROGRAM, 8, mole_state ) + 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_WRITE(mole_tileram_w) AM_READNOP + AM_RANGE(0x8400, 0x8400) AM_WRITE(mole_tilebank_w) + AM_RANGE(0x8c00, 0x8c01) AM_DEVWRITE("aysnd", ay8910_device, data_address_w) + AM_RANGE(0x8c40, 0x8c40) AM_WRITENOP // ??? + AM_RANGE(0x8c80, 0x8c80) AM_WRITENOP // ??? + AM_RANGE(0x8c81, 0x8c81) AM_WRITENOP // ??? + AM_RANGE(0x8d00, 0x8d00) AM_READ_PORT("DSW") AM_WRITE(mole_irqack_w) + AM_RANGE(0x8d40, 0x8d40) AM_READ_PORT("IN0") + AM_RANGE(0x8d80, 0x8d80) AM_READ_PORT("IN1") + AM_RANGE(0x8dc0, 0x8dc0) AM_READ_PORT("IN2") AM_WRITE(mole_flipscreen_w) +ADDRESS_MAP_END + + +/************************************* + * + * Input ports + * + *************************************/ + +static INPUT_PORTS_START( mole ) + PORT_START("DSW") /* 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("IN0") /* 0x8d40 */ + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P1 Pad 1") PORT_CODE(KEYCODE_1_PAD) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P1 Pad 2") PORT_CODE(KEYCODE_2_PAD) + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P1 Pad 3") PORT_CODE(KEYCODE_3_PAD) + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P1 Pad 4") PORT_CODE(KEYCODE_4_PAD) + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P1 Pad 5") PORT_CODE(KEYCODE_5_PAD) + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P1 Pad 6") PORT_CODE(KEYCODE_6_PAD) + PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P1 Pad 7") PORT_CODE(KEYCODE_7_PAD) + PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P1 Pad 8") PORT_CODE(KEYCODE_8_PAD) + + PORT_START("IN1") /* 0x8d80 */ + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P1 Pad 9") PORT_CODE(KEYCODE_9_PAD) + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P2 Pad 1") PORT_CODE(KEYCODE_Q) PORT_COCKTAIL + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P2 Pad 2") PORT_CODE(KEYCODE_W) PORT_COCKTAIL + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P2 Pad 3") PORT_CODE(KEYCODE_E) 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("IN2") /* 0x8dc0 */ + PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P2 Pad 8") PORT_CODE(KEYCODE_X) PORT_COCKTAIL + PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P2 Pad 7") PORT_CODE(KEYCODE_Z) PORT_COCKTAIL + PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P2 Pad 4") PORT_CODE(KEYCODE_A) PORT_COCKTAIL + PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P2 Pad 9") PORT_CODE(KEYCODE_C) PORT_COCKTAIL + PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P2 Pad 6") PORT_CODE(KEYCODE_D) PORT_COCKTAIL + PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("P2 Pad 5") PORT_CODE(KEYCODE_S) PORT_COCKTAIL + PORT_BIT( 0xc0, IP_ACTIVE_HIGH, IPT_UNUSED ) +INPUT_PORTS_END + + +/************************************* + * + * Graphics definitions + * + *************************************/ + +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( "gfx1", 0x0000, tile_layout, 0x00, 1 ) + GFXDECODE_ENTRY( "gfx1", 0x3000, tile_layout, 0x00, 1 ) +GFXDECODE_END + + +/************************************* + * + * Machine driver + * + *************************************/ + +void mole_state::machine_start() +{ + save_item(NAME(m_tile_bank)); +} + +void mole_state::machine_reset() +{ + m_tile_bank = 0; +} + +static MACHINE_CONFIG_START( mole, mole_state ) + + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", M6502, 4000000) // ??? + MCFG_CPU_PROGRAM_MAP(mole_map) + MCFG_CPU_VBLANK_INT_DRIVER("screen", mole_state, irq0_line_assert) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_REFRESH_RATE(60) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) + MCFG_SCREEN_SIZE(40*8, 25*8) + MCFG_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 0*8, 25*8-1) + MCFG_SCREEN_UPDATE_DRIVER(mole_state, screen_update_mole) + MCFG_SCREEN_PALETTE("palette") + + MCFG_GFXDECODE_ADD("gfxdecode", "palette", mole) + MCFG_PALETTE_ADD_3BIT_RBG("palette") + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + + MCFG_SOUND_ADD("aysnd", AY8910, 2000000) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) +MACHINE_CONFIG_END + + +/************************************* + * + * ROM definition(s) + * + *************************************/ + +ROM_START( mole ) // ALL ROMS ARE 2732 + ROM_REGION( 0x10000, "maincpu", 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, "gfx1", 0 ) + 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 driver(s) + * + *************************************/ + +GAME( 1982, mole, 0, mole, mole, driver_device, 0, ROT0, "Yachiyo Electronics, Ltd.", "Mole Attack", MACHINE_SUPPORTS_SAVE ) |