/*************************************************************************** Atari Sky Diver hardware driver by Mike Balfour Games supported: * Sky Diver Known issues: * There is a problem with coin input not starting when in demo mode. * The NMI interrupt needs to be more accurate, to do 32V, adjusted to VBLANK. This also affects sound. * The cuurent value of 5 interrupts per frame, works pretty good, but is not 100% accurate timing wise. **************************************************************************** Memory Map: 0000-00FF R/W PAGE ZERO RAM 0010 R/W H POS PLANE 1 0011 R/W H POS PLANE 2 0012 R/W H POS MAN 1 0013 R/W H POS MAN 2 0014 R/W RANGE LOAD 0015 R/W NOTE LOAD 0016 R/W NAM LD 0017 R/W UNUSED 0018 R/W V POS PLANE 1 0019 R/W PICTURE PLANE 1 001A R/W V POS PLANE 2 001B R/W PICTURE PLANE 2 001C R/W V POS MAN 1 001D R/W PICTURE MAN 1 001E R/W V POS MAN 2 001F R/W PICTURE MAN 2 0400-077F R/W PLAYFIELD 0780-07FF R/W MAPS TO 0000-D0 0800-0801 W S LAMP 0802-0803 W K LAMP 0804-0805 W START LITE 1 0806-0807 W START LITE 2 0808-0809 W Y LAMP 080A-080B W D LAMP 080C-080D W SOUND ENABLE 1000-1001 W JUMP LITE 1 1002-1003 W COIN LOCK OUT 1006-1007 W JUMP LITE 2 1008-1009 W WHISTLE 1 100A-100B W WHISTLE 2 100C-100D W NMION 100E-100F W WIDTH 1800 R D6=LEFT 1, D7=RIGHT 1 1801 R D6=LEFT 2, D7=RIGHT 2 1802 R D6=JUMP 1, D7=CHUTE 1 1803 R D6=JUMP 2, D7=CHUTE 2 1804 R D6=(D) OPT SW: NEXT TEST, D7=(F) OPT SW 1805 R D6=(E) OPT SW, D7= (H) OPT SW: DIAGNOSTICS 1806 R D6=START 1, D7=COIN 1 1807 R D6=START 2, D7=COIN 2 1808 R D6=MISSES 2, D7=MISSES 1 1809 R D6=COIN 2, D7=COIN1 180A R D6=HARD/EASY, D7=EXTENDED PLAY 180B R D6=LANGUAGE 2, D7=LANGUAGE 1 1810 R D6=TEST, D7=!VBLANK 1811 R D6=!SLAM, D7=UNUSED 2000 W TIMER RESET 2002-2003 W I LAMP 2004-2005 W V LAMP 2006-2007 W E LAMP 2008-2009 W R LAMP 200A-200B W OCT 1 200C-200D W OCT 2 200E-200F W NOISE RESET 2800-2FFF R ROM 0 3000-37FF R ROM 1 3800-3FFF R ROM 2A 7800-7FFF R ROM 2B If you have any questions about how this driver works, don't hesitate to ask. - Mike Balfour (mab22@po.cwru.edu) Notes: The NMI interrupts are only used to read the coin switches. ***************************************************************************/ #include "emu.h" #include "cpu/m6800/m6800.h" #include "deprecat.h" #include "includes/skydiver.h" #include "sound/discrete.h" #define MASTER_CLOCK (XTAL_12_096MHz) /************************************* * * Palette generation * *************************************/ static const int colortable_source[] = { 0x02, 0x00, 0x02, 0x01, 0x00, 0x02, 0x01, 0x02 }; static PALETTE_INIT( skydiver ) { int i; for (i = 0; i < sizeof(colortable_source) / sizeof(colortable_source[0]); i++) { rgb_t color; switch (colortable_source[i]) { case 0: color = RGB_BLACK; break; case 1: color = RGB_WHITE; break; default: color = MAKE_RGB(0xa0, 0xa0, 0xa0); break; /* grey */ } palette_set_color(machine, i, color); } } /************************************* * * Interrupt generation * *************************************/ static WRITE8_HANDLER( skydiver_nmion_w ) { skydiver_state *state = space->machine().driver_data(); state->m_nmion = offset; } static INTERRUPT_GEN( skydiver_interrupt ) { skydiver_state *state = device->machine().driver_data(); device_t *discrete = device->machine().device("discrete"); /* Convert range data to divide value and write to sound */ discrete_sound_w(discrete, SKYDIVER_RANGE_DATA, (0x01 << (~state->m_videoram[0x394] & 0x07)) & 0xff); // Range 0-2 discrete_sound_w(discrete, SKYDIVER_RANGE3_EN, state->m_videoram[0x394] & 0x08); // Range 3 - note disable discrete_sound_w(discrete, SKYDIVER_NOTE_DATA, ~state->m_videoram[0x395] & 0xff); // Note - freq discrete_sound_w(discrete, SKYDIVER_NOISE_DATA, state->m_videoram[0x396] & 0x0f); // NAM - Noise Amplitude if (state->m_nmion) device_set_input_line(device, INPUT_LINE_NMI, PULSE_LINE); } /************************************* * * Sound handlers * *************************************/ static WRITE8_DEVICE_HANDLER( skydiver_sound_enable_w ) { discrete_sound_w(device, SKYDIVER_SOUND_EN, offset); } static WRITE8_DEVICE_HANDLER( skydiver_whistle_w ) { discrete_sound_w(device, NODE_RELATIVE(SKYDIVER_WHISTLE1_EN, (offset >> 1)), offset & 0x01); } /************************************* * * Main CPU memory handlers * *************************************/ static ADDRESS_MAP_START( skydiver_map, AS_PROGRAM, 8 ) ADDRESS_MAP_GLOBAL_MASK(0x7fff) AM_RANGE(0x0000, 0x007f) AM_MIRROR(0x4300) AM_READWRITE(skydiver_wram_r, skydiver_wram_w) AM_RANGE(0x0080, 0x00ff) AM_MIRROR(0x4000) AM_RAM /* RAM B1 */ AM_RANGE(0x0400, 0x07ff) AM_MIRROR(0x4000) AM_RAM_WRITE(skydiver_videoram_w) AM_BASE_MEMBER(skydiver_state, m_videoram) /* RAMs K1,M1,P1,J1,N1,K/L1,L1,H/J1 */ AM_RANGE(0x0800, 0x0801) AM_MIRROR(0x47f0) AM_WRITE(skydiver_lamp_s_w) AM_RANGE(0x0802, 0x0803) AM_MIRROR(0x47f0) AM_WRITE(skydiver_lamp_k_w) AM_RANGE(0x0804, 0x0805) AM_MIRROR(0x47f0) AM_WRITE(skydiver_start_lamp_1_w) AM_RANGE(0x0806, 0x0807) AM_MIRROR(0x47f0) AM_WRITE(skydiver_start_lamp_2_w) AM_RANGE(0x0808, 0x0809) AM_MIRROR(0x47f0) AM_WRITE(skydiver_lamp_y_w) AM_RANGE(0x080a, 0x080b) AM_MIRROR(0x47f0) AM_WRITE(skydiver_lamp_d_w) AM_RANGE(0x080c, 0x080d) AM_MIRROR(0x47f0) AM_DEVWRITE("discrete", skydiver_sound_enable_w) // AM_RANGE(0x1000, 0x1001) AM_MIRROR(0x47f0) AM_WRITE(skydiver_jump1_lamps_w) AM_RANGE(0x1002, 0x1003) AM_MIRROR(0x47f0) AM_WRITE(skydiver_coin_lockout_w) // AM_RANGE(0x1006, 0x1007) AM_MIRROR(0x47f0) AM_WRITE(skydiver_jump2_lamps_w) AM_RANGE(0x1008, 0x100b) AM_MIRROR(0x47f0) AM_DEVWRITE("discrete", skydiver_whistle_w) AM_RANGE(0x100c, 0x100d) AM_MIRROR(0x47f0) AM_WRITE(skydiver_nmion_w) AM_RANGE(0x100e, 0x100f) AM_MIRROR(0x47f0) AM_WRITE(skydiver_width_w) AM_RANGE(0x1800, 0x1800) AM_MIRROR(0x47e0) AM_READ_PORT("IN0") AM_RANGE(0x1801, 0x1801) AM_MIRROR(0x47e0) AM_READ_PORT("IN1") AM_RANGE(0x1802, 0x1802) AM_MIRROR(0x47e0) AM_READ_PORT("IN2") AM_RANGE(0x1803, 0x1803) AM_MIRROR(0x47e0) AM_READ_PORT("IN3") AM_RANGE(0x1804, 0x1804) AM_MIRROR(0x47e0) AM_READ_PORT("IN4") AM_RANGE(0x1805, 0x1805) AM_MIRROR(0x47e0) AM_READ_PORT("IN5") AM_RANGE(0x1806, 0x1806) AM_MIRROR(0x47e0) AM_READ_PORT("IN6") AM_RANGE(0x1807, 0x1807) AM_MIRROR(0x47e0) AM_READ_PORT("IN7") AM_RANGE(0x1808, 0x1808) AM_MIRROR(0x47e4) AM_READ_PORT("IN8") AM_RANGE(0x1809, 0x1809) AM_MIRROR(0x47e4) AM_READ_PORT("IN9") AM_RANGE(0x180a, 0x180a) AM_MIRROR(0x47e4) AM_READ_PORT("IN10") AM_RANGE(0x180b, 0x180b) AM_MIRROR(0x47e4) AM_READ_PORT("IN11") AM_RANGE(0x1810, 0x1810) AM_MIRROR(0x47e4) AM_READ_PORT("IN12") AM_RANGE(0x1811, 0x1811) AM_MIRROR(0x47e4) AM_READ_PORT("IN13") AM_RANGE(0x2000, 0x201f) AM_MIRROR(0x47e0) AM_READWRITE(watchdog_reset_r, skydiver_2000_201F_w) AM_RANGE(0x2800, 0x2fff) AM_MIRROR(0x4000) AM_ROM AM_RANGE(0x3000, 0x37ff) AM_MIRROR(0x4000) AM_ROM AM_RANGE(0x3800, 0x3fff) AM_ROM AM_RANGE(0x7800, 0x7fff) AM_ROM ADDRESS_MAP_END /************************************* * * Port definitions * *************************************/ static INPUT_PORTS_START( skydiver ) PORT_START("IN0") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_START("IN1") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) PORT_START("IN2") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_BUTTON1 ) /* Jump 1 */ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_BUTTON2 ) /* Chute 1 */ PORT_START("IN3") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) /* Jump 2 */ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) /* Chute 2 */ PORT_START("IN4") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("(D) OPT SW NEXT TEST") PORT_CODE(KEYCODE_D) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("(F) OPT SW") PORT_CODE(KEYCODE_F) PORT_START("IN5") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("(E) OPT SW") PORT_CODE(KEYCODE_E) PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("(H) OPT SW DIAGNOSTICS") PORT_CODE(KEYCODE_H) PORT_START("IN6") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1) PORT_START("IN7") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_IMPULSE(1) PORT_START("IN8") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Lives ) ) PORT_DIPSETTING( 0x00, "3" ) PORT_DIPSETTING( 0x40, "4" ) PORT_DIPSETTING( 0x80, "5" ) PORT_DIPSETTING( 0xc0, "6" ) PORT_START("IN9") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_DIPNAME( 0xc0, 0x80, DEF_STR( Coinage ) ) PORT_DIPSETTING( 0xc0, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x80, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x40, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) ) PORT_START("IN10") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_DIPNAME( 0x40, 0x00, DEF_STR( Difficulty ) ) PORT_DIPSETTING( 0x40, DEF_STR( Easy ) ) PORT_DIPSETTING( 0x00, DEF_STR( Hard ) ) PORT_DIPNAME( 0x80, 0x00, "Extended Play" ) PORT_DIPSETTING( 0x80, DEF_STR( No ) ) PORT_DIPSETTING( 0x00, DEF_STR( Yes ) ) PORT_START("IN11") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Language ) ) PORT_DIPSETTING( 0x00, DEF_STR( English ) ) PORT_DIPSETTING( 0x40, DEF_STR( French ) ) PORT_DIPSETTING( 0x80, DEF_STR( Spanish ) ) PORT_DIPSETTING( 0xc0, DEF_STR( German ) ) PORT_START("IN12") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_SERVICE( 0x40, IP_ACTIVE_LOW ) PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_VBLANK ) PORT_START("IN13") PORT_BIT (0x3f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_TILT ) PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("WHISTLE1") PORT_ADJUSTER( 33, "Whistle 1 Freq" ) PORT_START("WHISTLE2") PORT_ADJUSTER( 25, "Whistle 2 Freq" ) INPUT_PORTS_END /************************************* * * Graphics definitions * *************************************/ static const gfx_layout charlayout = { 8,8, 64, 1, { 0 }, { 7, 6, 5, 4, 15, 14, 13, 12 }, { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 }, 8*16 }; static const gfx_layout motion_layout = { 16,16, 32, 1, { 0 }, { 4, 5, 6, 7, 4 + 0x400*8, 5 + 0x400*8, 6 + 0x400*8, 7 + 0x400*8, 12, 13, 14, 15, 12 + 0x400*8, 13 + 0x400*8, 14 + 0x400*8, 15 + 0x400*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 }, 8*32 }; static GFXDECODE_START( skydiver ) GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 4 ) GFXDECODE_ENTRY( "gfx2", 0, motion_layout, 0, 4 ) GFXDECODE_END /************************************* * * Machine driver * *************************************/ static MACHINE_CONFIG_START( skydiver, skydiver_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M6800,MASTER_CLOCK/16) /* ???? */ MCFG_CPU_PROGRAM_MAP(skydiver_map) MCFG_CPU_VBLANK_INT_HACK(skydiver_interrupt, 5) MCFG_WATCHDOG_VBLANK_INIT(8) // 128V clocks the same as VBLANK MCFG_MACHINE_RESET(skydiver) /* 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, 0*8, 28*8-1) MCFG_SCREEN_UPDATE(skydiver) MCFG_GFXDECODE(skydiver) MCFG_PALETTE_LENGTH(sizeof(colortable_source) / sizeof(colortable_source[0])) MCFG_PALETTE_INIT(skydiver) MCFG_VIDEO_START(skydiver) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("discrete", DISCRETE, 0) MCFG_SOUND_CONFIG_DISCRETE(skydiver) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_CONFIG_END /************************************* * * ROM definitions * *************************************/ ROM_START( skydiver ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "33167-02.f1", 0x2800, 0x0800, CRC(25a5c976) SHA1(50fbf5dceab5d78292dc14bf25f2076e8139a594) ) ROM_LOAD( "33164-02.e1", 0x3000, 0x0800, CRC(a348ac39) SHA1(7401cbd2f7236bd1d6ad0e39eb3de2b7d75e8f45) ) ROM_LOAD( "33165-02.d1", 0x3800, 0x0800, CRC(a1fc5504) SHA1(febaa78936de7703b708c0d1f350fe288e0a106b) ) ROM_LOAD( "33166-02.c1", 0x7800, 0x0800, CRC(3d26da2b) SHA1(e515d5c13814b9732a6ca109272500a60edc208a) ) ROM_REGION( 0x0400, "gfx1", 0 ) ROM_LOAD( "33163-01.h5", 0x0000, 0x0400, CRC(5b9bb7c2) SHA1(319f45b6dff96739f73f2089361239da47042dcd) ) ROM_REGION( 0x0800, "gfx2", 0 ) ROM_LOAD( "33176-01.l5", 0x0000, 0x0400, CRC(6b082a01) SHA1(8facc94843ea041d205137056bd2035cf968125b) ) ROM_LOAD( "33177-01.k5", 0x0400, 0x0400, CRC(f5541af0) SHA1(0967269518b6eac3c4e9ddaee39303086476c580) ) ROM_END /************************************* * * Game driver * *************************************/ GAME( 1978, skydiver, 0, skydiver, skydiver, 0, ROT0, "Atari", "Sky Diver", 0 )