/*************************************************************************** MAGMAX (c)1985 NihonBussan Co.,Ltd. Driver by Takahiro Nogi (nogi@kt.rim.or.jp) 1999/11/05 - Additional tweaking by Jarek Burczynski ***************************************************************************/ #include "driver.h" #include "cpu/m68000/m68000.h" #include "sound/ay8910.h" PALETTE_INIT( magmax ); VIDEO_UPDATE( magmax ); VIDEO_START( magmax ); extern UINT16 *magmax_vreg; extern UINT16 *magmax_scroll_x; extern UINT16 *magmax_scroll_y; static UINT8 sound_latch = 0; static UINT8 LS74_clr = 0; static UINT8 LS74_q = 0; static UINT8 gain_control = 0; static emu_timer *interrupt_timer; static WRITE16_HANDLER( magmax_sound_w ) { if (ACCESSING_BITS_0_7) { sound_latch = (data & 0xff) << 1; cpunum_set_input_line(machine, 1, 0, ASSERT_LINE); } } static READ8_HANDLER( magmax_sound_irq_ack ) { cpunum_set_input_line(machine, 1, 0, CLEAR_LINE); return 0; } static READ8_HANDLER( magmax_sound_r ) { return (sound_latch | LS74_q); } static WRITE8_HANDLER( ay8910_portB_0_w ) { /*bit 0 is input to CLR line of the LS74*/ LS74_clr = data & 1; if (LS74_clr == 0) LS74_q = 0; } static TIMER_CALLBACK( scanline_callback ) { int scanline = param; /* bit 0 goes hi whenever line V6 from video part goes lo->hi */ /* that is when scanline is 64 and 192 accordingly */ if (LS74_clr != 0) LS74_q = 1; scanline += 128; scanline &= 255; timer_adjust_oneshot(interrupt_timer, video_screen_get_time_until_pos(machine->primary_screen, scanline, 0), scanline); } static MACHINE_START( magmax ) { /* Create interrupt timer */ interrupt_timer = timer_alloc(scanline_callback, NULL); /* Set up save state */ state_save_register_global(sound_latch); state_save_register_global(LS74_clr); state_save_register_global(LS74_q); state_save_register_global(gain_control); } static MACHINE_RESET( magmax ) { timer_adjust_oneshot(interrupt_timer, video_screen_get_time_until_pos(machine->primary_screen, 64, 0), 64); #if 0 { int i; for (i=0; i<9; i++) logerror("SOUND Chan#%i name=%s\n", i, mixer_get_name(i) ); } #endif } static WRITE8_HANDLER( ay8910_portA_0_w ) { float percent; /*There are three AY8910 chips and four(!) separate amplifiers on the board * Each of AY channels is hardware mapped in following way: * amplifier 0 gain x 1.00 <- AY0 CHA * amplifier 1 gain x 1.00 <- AY0 CHB + AY0 CHC + AY1 CHA + AY1 CHB * amplifier 2 gain x 4.54 (150K/33K) <- AY1 CHC + AY2 CHA * amplifier 3 gain x 4.54 (150K/33K) <- AY2 CHB + AY2 CHC * * Each of the amps has its own analog cuircit: * amp0, amp1 and amp2 are different from each other; amp3 is the same as amp2 * * Outputs of those amps are inputs to post amps, each having own cuircit * that is partially controlled by AY #0 port A. * PORT A BIT 0 - control postamp 0 (gain x10.0 | gain x 5.00) * PORT A BIT 1 - control postamp 1 (gain x4.54 | gain x 2.27) * PORT A BIT 2 - control postamp 2 (gain x1.00 | gain x 0.50) * PORT A BIT 3 - control postamp 3 (gain x1.00 | gain x 0.50) * * The "control" means assert/clear input pins on chip called 4066 (it is analog switch) * which results in volume gain (exactly 2 times). * I use mixer_set_volume() to emulate the effect. gain summary: port A control ON OFF amp0 = *1*10.0=10.0 *1*5.0 = 5.0 amp1 = *1*4.54=4.54 *1*2.27 = 2.27 amp2 = *4.54*1=4.54 *4.54*0.5= 2.27 amp3 = *4.54*1=4.54 *4.54*0.5= 2.27 */ /* bit0 - SOUND Chan#0 name=AY-3-8910 #0 Ch A bit1 - SOUND Chan#1 name=AY-3-8910 #0 Ch B bit1 - SOUND Chan#2 name=AY-3-8910 #0 Ch C bit1 - SOUND Chan#3 name=AY-3-8910 #1 Ch A bit1 - SOUND Chan#4 name=AY-3-8910 #1 Ch B bit2 - SOUND Chan#5 name=AY-3-8910 #1 Ch C bit2 - SOUND Chan#6 name=AY-3-8910 #2 Ch A bit3 - SOUND Chan#7 name=AY-3-8910 #2 Ch B bit3 - SOUND Chan#8 name=AY-3-8910 #2 Ch C */ if (gain_control == (data & 0x0f)) return; gain_control = data & 0x0f; /*popmessage("gain_ctrl = %2x",data&0x0f);*/ percent = (gain_control & 1) ? 1.0 : 0.50; sndti_set_output_gain(SOUND_AY8910, 0, 0, percent); //fixme: set_RC_filter(0,10000,100000000,0,10000); /* 10K, 10000pF = 0.010uF */ percent = (gain_control & 2) ? 0.45 : 0.23; sndti_set_output_gain(SOUND_AY8910, 0, 1, percent); sndti_set_output_gain(SOUND_AY8910, 0, 2, percent); sndti_set_output_gain(SOUND_AY8910, 1, 0, percent); sndti_set_output_gain(SOUND_AY8910, 1, 1, percent); //fixme: set_RC_filter(1,4700,100000000,0,4700); /* 4.7K, 4700pF = 0.0047uF */ //fixme: set_RC_filter(2,4700,100000000,0,4700); /* 4.7K, 4700pF = 0.0047uF */ //fixme: set_RC_filter(3,4700,100000000,0,4700); /* 4.7K, 4700pF = 0.0047uF */ //fixme: set_RC_filter(4,4700,100000000,0,4700); /* 4.7K, 4700pF = 0.0047uF */ percent = (gain_control & 4) ? 0.45 : 0.23; sndti_set_output_gain(SOUND_AY8910, 1, 2, percent); sndti_set_output_gain(SOUND_AY8910, 2, 0, percent); percent = (gain_control & 8) ? 0.45 : 0.23; sndti_set_output_gain(SOUND_AY8910, 2, 1, percent); sndti_set_output_gain(SOUND_AY8910, 2, 2, percent); } static WRITE16_HANDLER( magmax_vreg_w ) { /* VRAM CONTROL REGISTER */ /* bit0 - coin counter 1 */ /* bit1 - coin counter 2 */ /* bit2 - flip screen (INV) */ /* bit3 - page bank to be displayed (PG) */ /* bit4 - sprite bank LSB (DP0) */ /* bit5 - sprite bank MSB (DP1) */ /* bit6 - BG display enable (BE)*/ COMBINE_DATA(magmax_vreg); } static ADDRESS_MAP_START( magmax_readmem, ADDRESS_SPACE_PROGRAM, 16 ) AM_RANGE(0x000000, 0x013fff) AM_READ(SMH_ROM) AM_RANGE(0x018000, 0x018fff) AM_READ(SMH_RAM) AM_RANGE(0x020000, 0x0207ff) AM_READ(SMH_RAM) AM_RANGE(0x028000, 0x0281ff) AM_READ(SMH_RAM) AM_RANGE(0x030000, 0x030001) AM_READ_PORT("P1") AM_RANGE(0x030002, 0x030003) AM_READ_PORT("P2") AM_RANGE(0x030004, 0x030005) AM_READ_PORT("SYSTEM") AM_RANGE(0x030006, 0x030007) AM_READ_PORT("DSW") ADDRESS_MAP_END static ADDRESS_MAP_START( magmax_writemem, ADDRESS_SPACE_PROGRAM, 16 ) AM_RANGE(0x000000, 0x013fff) AM_WRITE(SMH_ROM) AM_RANGE(0x018000, 0x018fff) AM_WRITE(SMH_RAM) AM_RANGE(0x020000, 0x0207ff) AM_WRITE(SMH_RAM) AM_BASE(&videoram16) AM_SIZE(&videoram_size) AM_RANGE(0x028000, 0x0281ff) AM_WRITE(SMH_RAM) AM_BASE(&spriteram16) AM_SIZE(&spriteram_size) AM_RANGE(0x030010, 0x030011) AM_WRITE(magmax_vreg_w) AM_BASE(&magmax_vreg) AM_RANGE(0x030012, 0x030013) AM_WRITE(SMH_RAM) AM_BASE(&magmax_scroll_x) AM_RANGE(0x030014, 0x030015) AM_WRITE(SMH_RAM) AM_BASE(&magmax_scroll_y) AM_RANGE(0x03001c, 0x03001d) AM_WRITE(magmax_sound_w) AM_RANGE(0x03001e, 0x03001f) AM_WRITE(SMH_NOP) /* IRQ ack */ ADDRESS_MAP_END static ADDRESS_MAP_START( magmax_soundreadmem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x3fff) AM_READ(SMH_ROM) AM_RANGE(0x4000, 0x4000) AM_READ(magmax_sound_irq_ack) AM_RANGE(0x6000, 0x67ff) AM_READ(SMH_RAM) ADDRESS_MAP_END static ADDRESS_MAP_START( magmax_soundwritemem, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x3fff) AM_WRITE(SMH_ROM) AM_RANGE(0x6000, 0x67ff) AM_WRITE(SMH_RAM) ADDRESS_MAP_END static ADDRESS_MAP_START( magmax_sound_io_map, ADDRESS_SPACE_IO, 8 ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_WRITE(ay8910_control_port_0_w) AM_RANGE(0x01, 0x01) AM_WRITE(ay8910_write_port_0_w) AM_RANGE(0x02, 0x02) AM_WRITE(ay8910_control_port_1_w) AM_RANGE(0x03, 0x03) AM_WRITE(ay8910_write_port_1_w) AM_RANGE(0x04, 0x04) AM_WRITE(ay8910_control_port_2_w) AM_RANGE(0x05, 0x05) AM_WRITE(ay8910_write_port_2_w) AM_RANGE(0x06, 0x06) AM_READ(magmax_sound_r) ADDRESS_MAP_END static INPUT_PORTS_START( magmax ) PORT_START("P1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) /* Maybe this is just a test button and as such is not available to player */ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_START("P2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_START("SYSTEM") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_SERVICE( 0x20, IP_ACTIVE_LOW ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_START("DSW") PORT_DIPNAME( 0x0003, 0x0003, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW1:1,2") PORT_DIPSETTING( 0x0003, "3" ) PORT_DIPSETTING( 0x0002, "4" ) PORT_DIPSETTING( 0x0001, "5" ) PORT_DIPSETTING( 0x0000, "6" ) PORT_DIPNAME( 0x000c, 0x000c, DEF_STR( Bonus_Life ) ) PORT_DIPLOCATION("SW1:3,4") PORT_DIPSETTING( 0x000c, "30000 every" ) PORT_DIPSETTING( 0x0004, "70000 every" ) PORT_DIPSETTING( 0x0008, "50000 every" ) PORT_DIPSETTING( 0x0000, "90000 every" ) PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW1:5") PORT_DIPSETTING( 0x0000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0010, DEF_STR( On ) ) PORT_DIPNAME( 0x0020, 0x0000, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW1:6") PORT_DIPSETTING( 0x0000, DEF_STR( Upright ) ) PORT_DIPSETTING( 0x0020, DEF_STR( Cocktail ) ) PORT_DIPUNKNOWN_DIPLOC( 0x0040, 0x0040, "SW1:7" ) PORT_DIPUNKNOWN_DIPLOC( 0x0080, 0x0080, "SW1:8" ) PORT_DIPNAME( 0x0300, 0x0300, DEF_STR( Coin_A ) ) PORT_DIPLOCATION("SW2:1,2") PORT_DIPSETTING( 0x0100, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0300, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x0200, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x0000, DEF_STR( Free_Play ) ) PORT_DIPNAME( 0x0c00, 0x0c00, DEF_STR( Coin_B ) ) PORT_DIPLOCATION("SW2:3,4") PORT_DIPSETTING( 0x0000, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x0400, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x0c00, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x0800, DEF_STR( 1C_6C ) ) PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:5") PORT_DIPSETTING( 0x1000, DEF_STR( Easy ) ) PORT_DIPSETTING( 0x0000, DEF_STR( Hard ) ) PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW2:6") PORT_DIPSETTING( 0x2000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPUNKNOWN_DIPLOC( 0x4000, 0x4000, "SW2:7" ) PORT_DIPUNKNOWN_DIPLOC( 0x8000, 0x8000, "SW2:8" ) INPUT_PORTS_END static const gfx_layout charlayout = { 8, 8, /* 8*8 characters */ 256, /* 256 characters */ 4, /* 4 bits per pixel */ { 0, 1, 2, 3 }, { 4, 0, 12, 8, 20, 16, 28, 24 }, { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32 }, 32*8 }; static const gfx_layout spritelayout = { 16, 16, /* 16*16 characters */ 512, /* 512 characters */ 4, /* 4 bits per pixel */ { 0, 1, 2, 3 }, { 4, 0, 4+512*64*8, 0+512*64*8, 12, 8, 12+512*64*8, 8+512*64*8, 20, 16, 20+512*64*8, 16+512*64*8, 28, 24, 28+512*64*8, 24+512*64*8 }, { 0*32, 1*32, 2*32, 3*32, 4*32, 5*32, 6*32, 7*32, 8*32, 9*32, 10*32, 11*32, 12*32, 13*32, 14*32, 15*32 }, 64*8 }; static GFXDECODE_START( magmax ) GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 1 ) /*no color codes*/ GFXDECODE_ENTRY( "gfx2", 0, spritelayout, 1*16, 16 ) /*16 color codes*/ GFXDECODE_END static const ay8910_interface ay8910_config = { AY8910_LEGACY_OUTPUT, AY8910_DEFAULT_LOADS, NULL, NULL, ay8910_portA_0_w, /*write port A*/ ay8910_portB_0_w /*write port B*/ }; static MACHINE_DRIVER_START( magmax ) /* basic machine hardware */ MDRV_CPU_ADD("main", M68000, XTAL_16MHz/2) /* verified on pcb */ MDRV_CPU_PROGRAM_MAP(magmax_readmem,magmax_writemem) MDRV_CPU_VBLANK_INT("main", irq1_line_hold) MDRV_CPU_ADD("audio", Z80,XTAL_20MHz/8) /* verified on pcb */ MDRV_CPU_PROGRAM_MAP(magmax_soundreadmem,magmax_soundwritemem) MDRV_CPU_IO_MAP(magmax_sound_io_map,0) MDRV_INTERLEAVE(10) MDRV_MACHINE_START(magmax) MDRV_MACHINE_RESET(magmax) /* video hardware */ MDRV_SCREEN_ADD("main", RASTER) MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MDRV_SCREEN_SIZE(32*8, 32*8) MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1) MDRV_GFXDECODE(magmax) MDRV_PALETTE_LENGTH(1*16 + 16*16 + 256) MDRV_PALETTE_INIT(magmax) MDRV_VIDEO_START(magmax) MDRV_VIDEO_UPDATE(magmax) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SOUND_ADD("ay1", AY8910, XTAL_20MHz/16) /* verified on pcb */ MDRV_SOUND_CONFIG(ay8910_config) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40) MDRV_SOUND_ADD("ay2", AY8910, XTAL_20MHz/16) /* verified on pcb */ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40) MDRV_SOUND_ADD("ay3", AY8910, XTAL_20MHz/16) /* verified on pcb */ MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.40) MACHINE_DRIVER_END ROM_START( magmax ) ROM_REGION( 0x14000, "main", 0 ) ROM_LOAD16_BYTE( "1.3b", 0x00001, 0x4000, CRC(33793cbb) SHA1(a0bc0e4be434d9fc8115de8d63c92e942334bc85) ) ROM_LOAD16_BYTE( "6.3d", 0x00000, 0x4000, CRC(677ef450) SHA1(9003ff1c1c455970c1bd036b0b5e44dae2e379a5) ) ROM_LOAD16_BYTE( "2.5b", 0x08001, 0x4000, CRC(1a0c84df) SHA1(77ff21de33392a148d7ca69a77acc654260af0db) ) ROM_LOAD16_BYTE( "7.5d", 0x08000, 0x4000, CRC(01c35e95) SHA1(4f1a0d0463a956d8f9ed425cbeaed6186eb130a5) ) ROM_LOAD16_BYTE( "3.6b", 0x10001, 0x2000, CRC(d06e6cae) SHA1(94047b2bcf030d34295ff8107f95097ce57efe6b) ) ROM_LOAD16_BYTE( "8.6d", 0x10000, 0x2000, CRC(790a82be) SHA1(9a25d5a7c87aeef5e736b0f2fb8dde1c9be70039) ) ROM_REGION( 0x10000, "audio", 0 ) ROM_LOAD( "15.17b", 0x00000, 0x2000, CRC(19e7b983) SHA1(b1cd0b728e7cce87d9b1039be179d0915d939a4f) ) ROM_LOAD( "16.18b", 0x02000, 0x2000, CRC(055e3126) SHA1(8c9b03eb7588512ef17f8c1b731a2fd7cf372bf8) ) ROM_REGION( 0x02000, "gfx1", ROMREGION_DISPOSE ) /* chars */ ROM_LOAD( "23.15g", 0x00000, 0x2000, CRC(a7471da2) SHA1(ec2815a5801bc55955e612173a845399fd493eb7) ) ROM_REGION( 0x10000, "gfx2", ROMREGION_DISPOSE ) /* sprites */ ROM_LOAD( "17.3e", 0x00000, 0x2000, CRC(8e305b2e) SHA1(74c318089f6bebafbee31c22302e93a09d3ffa32) ) ROM_LOAD( "18.5e", 0x02000, 0x2000, CRC(14c55a60) SHA1(fd2a1b434bb65502f0f791995caf1cd869ccd254) ) ROM_LOAD( "19.6e", 0x04000, 0x2000, CRC(fa4141d8) SHA1(a5279d1ada5a13df14a8bbc18ceeea79f82a4c23) ) ROM_LOAD( "20.3g", 0x08000, 0x2000, CRC(6fa3918b) SHA1(658bdbdc581732922c986b07746a9601d86ec5a2) ) ROM_LOAD( "21.5g", 0x0a000, 0x2000, CRC(dd52eda4) SHA1(773e92c918f5b076ce3cae55a33a27c38d958edf) ) ROM_LOAD( "22.6g", 0x0c000, 0x2000, CRC(4afc98ff) SHA1(a34d63befdb3c749460d1cfb62e15ced52859b9b) ) ROM_REGION( 0x10000, "user1", 0 ) /* surface scroll control */ ROM_LOAD16_BYTE( "4.18b", 0x00000, 0x2000, CRC(1550942e) SHA1(436424d63ca576d13b0f4a3713f009a38e33f2f3) ) ROM_LOAD16_BYTE( "5.20b", 0x00001, 0x2000, CRC(3b93017f) SHA1(b1b67c2050c8033c29bb74ab909075c39e4f7c6a) ) /* BG control data */ ROM_LOAD( "9.18d", 0x04000, 0x2000, CRC(9ecc9ab8) SHA1(ea5fbd9e9ce09e25f532dc74623e0f7e8464b7f3) ) /* surface */ ROM_LOAD( "10.20d", 0x06000, 0x2000, CRC(e2ff7293) SHA1(d93c30f7edac53747efcf840325a8ce5f5e47b32) ) /* underground */ /* background tiles */ ROM_LOAD( "11.15f", 0x08000, 0x2000, CRC(91f3edb6) SHA1(64e8008cad0e9c42c2ee972c2ee867c7c51cae27) ) /* surface */ ROM_LOAD( "12.17f", 0x0a000, 0x2000, CRC(99771eff) SHA1(5a1e2316b4055a1332d9d1f02edee5bc6aae90ac) ) /* underground */ ROM_LOAD( "13.18f", 0x0c000, 0x2000, CRC(75f30159) SHA1(d188ccf926e7a842e90ebc1aad3dc20c37d84b98) ) /* surface of mechanical level */ ROM_LOAD( "14.20f", 0x0e000, 0x2000, CRC(96babcba) SHA1(fec58ccc1e5cc2cec56658a412b94fe7b989541d) ) /* underground of mechanical level */ ROM_REGION( 0x0200, "user2", 0 ) /* BG control data */ ROM_LOAD( "mag_b.14d", 0x0000, 0x0100, CRC(a0fb7297) SHA1(e6461050e7e586475343156aae1066b944ceab66) ) /* background control PROM */ ROM_LOAD( "mag_c.15d", 0x0100, 0x0100, CRC(d84a6f78) SHA1(f2ce329b1adf39bde6df2eb79be6d144adea65d0) ) /* background control PROM */ ROM_REGION( 0x0500, "proms", 0 ) /* color PROMs */ ROM_LOAD( "mag_e.10f", 0x0000, 0x0100, CRC(75e4f06a) SHA1(cdaccc3e56df4ac9ace04b93b3bab9a62f1ea6f5) ) /* red */ ROM_LOAD( "mag_d.10e", 0x0100, 0x0100, CRC(34b6a6e3) SHA1(af254ccf0d38e1f4644375cd357d468ad4efe450) ) /* green */ ROM_LOAD( "mag_a.10d", 0x0200, 0x0100, CRC(a7ea7718) SHA1(4789586d6795644517a18f179b4ae5f23737b21d) ) /* blue */ ROM_LOAD( "mag_g.2e", 0x0300, 0x0100, CRC(830be358) SHA1(f412587718040a783c4e6453619930c90daf385e) ) /* sprites color lookup table */ ROM_LOAD( "mag_f.13b", 0x0400, 0x0100, CRC(4a6f9a6d) SHA1(65f1e0bfacd1f354ece1b18598a551044c27c4d1) ) /* state machine data used for video signals generation (not used in emulation)*/ ROM_END GAME( 1985, magmax, 0, magmax, magmax, 0, ROT0, "Nichibutsu", "Mag Max", GAME_SUPPORTS_SAVE )