diff options
Diffstat (limited to 'src/mame/drivers/skydiver.c')
-rw-r--r-- | src/mame/drivers/skydiver.c | 422 |
1 files changed, 422 insertions, 0 deletions
diff --git a/src/mame/drivers/skydiver.c b/src/mame/drivers/skydiver.c new file mode 100644 index 00000000000..42cf98624e8 --- /dev/null +++ b/src/mame/drivers/skydiver.c @@ -0,0 +1,422 @@ +/*************************************************************************** + + 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 "driver.h" +#include "skydiver.h" +#include "sound/discrete.h" + +static int skydiver_nmion; + + + +/************************************* + * + * Palette generation + * + *************************************/ + +static UINT16 colortable_source[] = +{ + 0x02, 0x00, + 0x02, 0x01, + 0x00, 0x02, + 0x01, 0x02 +}; + +static PALETTE_INIT( skydiver ) +{ + palette_set_color(machine,0,MAKE_RGB(0x00,0x00,0x00)); /* black */ + palette_set_color(machine,1,MAKE_RGB(0xff,0xff,0xff)); /* white */ + palette_set_color(machine,2,MAKE_RGB(0xa0,0xa0,0xa0)); /* grey */ + + memcpy(colortable,colortable_source,sizeof(colortable_source)); +} + + + +/************************************* + * + * Interrupt generation + * + *************************************/ + +static WRITE8_HANDLER( skydiver_nmion_w ) +{ + skydiver_nmion = offset; +} + + +static INTERRUPT_GEN( skydiver_interrupt ) +{ + /* Convert range data to divide value and write to sound */ + discrete_sound_w(SKYDIVER_RANGE_DATA, (0x01 << (~skydiver_videoram[0x394] & 0x07)) & 0xff); // Range 0-2 + + discrete_sound_w(SKYDIVER_RANGE3_EN, skydiver_videoram[0x394] & 0x08); // Range 3 - note disable + discrete_sound_w(SKYDIVER_NOTE_DATA, ~skydiver_videoram[0x395] & 0xff); // Note - freq + discrete_sound_w(SKYDIVER_NOISE_DATA, skydiver_videoram[0x396] & 0x0f); // NAM - Noise Amplitude + + if (skydiver_nmion) + cpunum_set_input_line(0, INPUT_LINE_NMI, PULSE_LINE); +} + + + +/************************************* + * + * Sound handlers + * + *************************************/ + +static WRITE8_HANDLER( skydiver_sound_enable_w ) +{ + discrete_sound_w(SKYDIVER_SOUND_EN, offset); +} + +static WRITE8_HANDLER( skydiver_whistle_w ) +{ + discrete_sound_w(SKYDIVER_WHISTLE1_EN + (offset >> 1), offset & 0x01); +} + + + +/************************************* + * + * Main CPU memory handlers + * + *************************************/ + +static ADDRESS_MAP_START( skydiver_map, ADDRESS_SPACE_PROGRAM, 8 ) + ADDRESS_MAP_FLAGS( AMEF_ABITS(15) ) + AM_RANGE(0x0000, 0x007f) AM_MIRROR(0x4300) AM_READWRITE(skydiver_wram_r, skydiver_wram_w) + AM_RANGE(0x0080, 0x00ff) AM_MIRROR(0x4000) AM_READWRITE(MRA8_RAM, MWA8_RAM) /* RAM B1 */ + AM_RANGE(0x0400, 0x07ff) AM_MIRROR(0x4000) AM_READWRITE(MRA8_RAM, skydiver_videoram_w) AM_BASE(&skydiver_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_WRITE(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_WRITE(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(input_port_0_r) + AM_RANGE(0x1801, 0x1801) AM_MIRROR(0x47e0) AM_READ(input_port_1_r) + AM_RANGE(0x1802, 0x1802) AM_MIRROR(0x47e0) AM_READ(input_port_2_r) + AM_RANGE(0x1803, 0x1803) AM_MIRROR(0x47e0) AM_READ(input_port_3_r) + AM_RANGE(0x1804, 0x1804) AM_MIRROR(0x47e0) AM_READ(input_port_4_r) + AM_RANGE(0x1805, 0x1805) AM_MIRROR(0x47e0) AM_READ(input_port_5_r) + AM_RANGE(0x1806, 0x1806) AM_MIRROR(0x47e0) AM_READ(input_port_6_r) + AM_RANGE(0x1807, 0x1807) AM_MIRROR(0x47e0) AM_READ(input_port_7_r) + AM_RANGE(0x1808, 0x1808) AM_MIRROR(0x47e4) AM_READ(input_port_8_r) + AM_RANGE(0x1809, 0x1809) AM_MIRROR(0x47e4) AM_READ(input_port_9_r) + AM_RANGE(0x180a, 0x180a) AM_MIRROR(0x47e4) AM_READ(input_port_10_r) + AM_RANGE(0x180b, 0x180b) AM_MIRROR(0x47e4) AM_READ(input_port_11_r) + AM_RANGE(0x1810, 0x1810) AM_MIRROR(0x47e4) AM_READ(input_port_12_r) + AM_RANGE(0x1811, 0x1811) AM_MIRROR(0x47e4) AM_READ(input_port_13_r) + AM_RANGE(0x2000, 0x201f) AM_MIRROR(0x47e0) AM_READWRITE(watchdog_reset_r, skydiver_2000_201F_w) + AM_RANGE(0x2800, 0x2fff) AM_MIRROR(0x4000) AM_READ(MRA8_ROM) + AM_RANGE(0x3000, 0x37ff) AM_MIRROR(0x4000) AM_READ(MRA8_ROM) + AM_RANGE(0x3800, 0x3fff) AM_READ(MRA8_ROM) + AM_RANGE(0x7800, 0x7fff) AM_READ(MRA8_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_TAG("WHISTLE1") + PORT_ADJUSTER( 33, "Whistle 1 Freq" ) + + PORT_START_TAG("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( REGION_GFX1, 0, charlayout, 0, 4 ) + GFXDECODE_ENTRY( REGION_GFX2, 0, motion_layout, 0, 4 ) +GFXDECODE_END + + + +/************************************* + * + * Machine driver + * + *************************************/ + +static MACHINE_DRIVER_START( skydiver ) + + /* basic machine hardware */ + MDRV_CPU_ADD(M6800,3000000/4) /* ???? */ + MDRV_CPU_PROGRAM_MAP(skydiver_map, 0) + MDRV_CPU_VBLANK_INT(skydiver_interrupt, 5) + MDRV_WATCHDOG_VBLANK_INIT(8) // 128V clocks the same as VBLANK + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION) + MDRV_MACHINE_RESET(skydiver) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(32*8, 32*8) + MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 28*8-1) + MDRV_GFXDECODE(skydiver) + MDRV_PALETTE_LENGTH(3) + MDRV_COLORTABLE_LENGTH(sizeof(colortable_source) / sizeof(colortable_source[0])) + + MDRV_PALETTE_INIT(skydiver) + MDRV_VIDEO_START(skydiver) + MDRV_VIDEO_UPDATE(skydiver) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_MONO("mono") + + MDRV_SOUND_ADD_TAG("discrete", DISCRETE, 0) + MDRV_SOUND_CONFIG_DISCRETE(skydiver) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) +MACHINE_DRIVER_END + + + +/************************************* + * + * ROM definitions + * + *************************************/ + +ROM_START( skydiver ) + ROM_REGION( 0x10000, REGION_CPU1, 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, REGION_GFX1, ROMREGION_DISPOSE ) + ROM_LOAD( "33163-01.h5", 0x0000, 0x0400, CRC(5b9bb7c2) SHA1(319f45b6dff96739f73f2089361239da47042dcd) ) + + ROM_REGION( 0x0800, REGION_GFX2, ROMREGION_DISPOSE ) + 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 ) |