/*************************************************************************************** driver based on djboy.c / airbustr.c PROTECTION SIMULATION IS VERY PRELIMINARY AND SHOULD BE TREATED AS 100% GUESSWORK Heavy Unit Kaneko/Taito 1988 This game runs on Kaneko hardware. The game is similar to R-Type. PCB Layout ---------- M6100391A M6100392A 880210204 KNA-001 |----------------------------------------------------| | | | 6116 6116 | | 15Mhz 6116 | | PAL | | B73_09.2P B73_11.5P | | | | | | Z80-1 DSW1 DSW2 J| | A| | 16MHz M| | M| | 12MHz 6264 MERMAID A| | B73_05.1H | | B73_04.1F B73_08.2F 6116 Z80-2 | | B73_03.1D Z80-3 B73_12.7E | | B73_02.1C B73_07.2C PANDORA B73_10.5C 6116 | | B73_01.1B B73_06.2B 4164 4164 6264 PAL YM3014 | | 4164 4164 PAL YM2203 | |----------------------------------------------------| Notes: Z80-1 clock : 6.000MHz Z80-2 clock : 6.000MHz Z80-3 clock : 6.000MHz YM2203 clock : 3.000MHz VSync : 58Hz HSync : 15.59kHz \-\ : KANEKO 1988. DIP40 chip, probably 8751 MCU (clock pins match) MERMAID | : pin 18,19 = 6.000MHz (main clock) | : pin 30 = 1.000MHz (prog/ale) /-/ : pin 22 = 111.48Hz (port 2 bit 1) PANDORA : KANEKO PX79480FP-3 PANDORA-CHIP (C) KANEKO 1988 ***************************************************************************************/ #include "driver.h" #include "deprecat.h" #include "cpu/z80/z80.h" #include "sound/2203intf.h" #include "video/kan_pand.h" static tilemap *bg_tilemap; static UINT16 hu_scrollx, hu_scrolly; static UINT16 port0_data; static UINT8 mcu_data; static UINT8 test_mcu; static UINT8 mcu_ram_mux[0x100]; static struct { int attract_timer; UINT8 program_flow; UINT8 access_ram_r,access_ram_w; UINT8 internal_ram[0x80]; UINT8 internal_ram_index; UINT8 coin_counter; }mcu_ram; static MACHINE_RESET( mermaid ) { /* ticks for the attract mode. */ mcu_ram.attract_timer = 0; /* helper for the program flow. 0 = title screen 1 = demo mode 2 = ranking 3 = Push 1p button 4 = Push 1p AND/OR 2p button 5 = player 1 plays 6 = player 2 plays 7 = service mode 8 = game over screen ... */ mcu_ram.program_flow = 0; if(input_port_read(machine, "DSW1") & 4) //service mode mcu_ram.program_flow = 7; mcu_ram.coin_counter = 0; } static WRITE8_HANDLER( mermaid_data_w ) { // printf("%02x\n",data); if(mcu_ram.access_ram_w) { mcu_ram.internal_ram[(mcu_ram.internal_ram_index++)&0x7f] = data; mcu_ram.access_ram_w = 0; } else { mcu_data = data; mcu_ram_mux[data] = 0; if(data == 0) { /*next data will be an internal protection RAM write*/ mcu_ram.access_ram_w = 1; } } } static READ8_HANDLER( mermaid_data_r ) { static UINT8 res; if(input_code_pressed_once(KEYCODE_Z)) test_mcu++; if(input_code_pressed_once(KEYCODE_X)) test_mcu--; if(mcu_ram.access_ram_r) { mcu_ram.access_ram_r = 0; return mcu_ram.internal_ram[(mcu_ram.internal_ram_index++)&0x7f]; } // popmessage("%02x",test_mcu); switch(mcu_data) { /* pc=55f1 store internal mcu ram values, not yet handled. */ case 0: { /*next data will be an internal protection RAM read*/ mcu_ram.access_ram_r = 1; return 0; } /* (PC=4f20) 01 $e003 = val (PC=4f2b) 01 $e004 = val (PC=4f5c) 01 val > 0xa and e06f = val coin counter (5) 0 = title screen 4 = "push 1p button" 5 = "push 2p button" 6 = copyright Kaneko msg (what is for?) 7 = ranking 8 = (trigger) attract mode b = (trigger?) player 1 plays c = (trigger?) player 2 plays 0x10 = game over screen 0x80 = coin error! msg (PC=4f82) 01 val<<=1 and check if < 0 program flow (6) (PC=4ef3) 01 $e06c = val, (complement it and AND $3) (PC=4f13) 01 $e06d = $e06e = val (PC=4f13) 01 (PC=14b3) 01 (PC=14ca) 81 */ case 1: { switch(mcu_ram_mux[1]) { case 0: res = input_port_read(space->machine, "IN0"); /*TODO: state of the button. */ if(~res & 1 && (mcu_ram.program_flow == 3 || mcu_ram.program_flow == 4)) { mcu_ram.coin_counter--; mcu_ram.program_flow = 5; } if(~res & 4 || ~res & 8) { mcu_ram.coin_counter++; mcu_ram.program_flow = (mcu_ram.coin_counter > 1) ? 4 : 3; } break; case 1: res = input_port_read(space->machine, "IN1"); break; case 2: res = input_port_read(space->machine, "IN2"); break; case 3: res = input_port_read(space->machine, "DSW1"); break; case 4: res = input_port_read(space->machine, "DSW2"); break; case 5: res = mcu_ram.coin_counter; break; case 6: /* WRONG! just as a test. */ res = 0; if(mcu_ram.program_flow == 0) { mcu_ram.attract_timer++; //popmessage("%d",mcu_ram.attract_timer); if(mcu_ram.attract_timer > 600 && mcu_ram.program_flow == 0) { res = 8; mcu_ram.attract_timer = 0; mcu_ram.program_flow = 1; } } if(mcu_ram.program_flow == 1) //demo mode { mcu_ram.attract_timer++; popmessage("%d",mcu_ram.attract_timer); if(mcu_ram.attract_timer > 200 && mcu_ram.program_flow == 1) { res = 25;/*input_port_read(space->machine, "TEST");*/ mcu_ram.attract_timer = 0; mcu_ram.program_flow = 1; } } if(mcu_ram.program_flow == 3) res = 4; if(mcu_ram.program_flow == 4) res = 5; if(res == 0xb && mcu_ram.program_flow == 5) res = 0; else if(mcu_ram.program_flow == 5) res = 0xb; break; } //printf("(PC=%04x) %02x %02x\n",cpu_get_pc(space->cpu),mcu_data,res); mcu_ram_mux[1]++; if(mcu_ram_mux[1] > 6) { mcu_ram_mux[1] = 0; } return res; } /* (PC=4fbe) 03 ? (Is it read?) */ case 3: return mame_rand(space->machine); /* (PC=4e4d) 06 complement and put it to e06a (PC=4e59) 06 $e019 = val (PC=4f5c) 06 $e06f = val if NOT > 09 (PC=4f82) 06 val<<=1 and check if < 0 */ // case 6: return 0; /* pc=5621 put the value to e003 (and 8) pc=562f put the value to e004 (and 4) */ /* read back dsw. */ case 0xff: return 0; } if(cpu_get_pc(space->cpu) != 0x4ee1 && cpu_get_pc(space->cpu) != 0x4e3b && cpu_get_pc(space->cpu) != 0x14ca && cpu_get_pc(space->cpu) != 0x14b3 && cpu_get_pc(space->cpu) != 0x550b && cpu_get_pc(space->cpu) != 0x551e && cpu_get_pc(space->cpu) != 0x5590) printf("(PC=%04x) %02x\n",cpu_get_pc(space->cpu),mcu_data); return 0; } /* ---- x--- MCU status ---- -x-- ? */ static READ8_HANDLER( mermaid_status_r ) { static UINT8 unk_bit,mcu_status = 8; // printf("R St\n"); unk_bit^=4; mcu_status^=8; return mcu_status | unk_bit | 0x10; // return mame_rand(space->machine); } static TILE_GET_INFO( get_bg_tile_info ) { int attr = colorram[tile_index]; int code = videoram[tile_index] + ((attr & 0x0f) << 8); int color = (attr >> 4); SET_TILE_INFO(1, code, color, 0); } static VIDEO_START(hvyunit) { bg_tilemap = tilemap_create(machine, get_bg_tile_info, tilemap_scan_rows, 16, 16, 32, 32); pandora_start(machine,0,0,0); } #define SX_POS 152 #define SY_POS 258 static VIDEO_UPDATE(hvyunit) { tilemap_set_scrollx( bg_tilemap,0, ((port0_data&0x40)<<2)+ hu_scrollx + SX_POS); //TODO tilemap_set_scrolly( bg_tilemap,0, ((port0_data&0x80)<<1)+ hu_scrolly + SY_POS); // TODO // popmessage("%02x %02x",hu_scrollx[0],hu_scrolly[0]); bitmap_fill(bitmap,cliprect,get_black_pen(screen->machine)); tilemap_draw(bitmap, cliprect, bg_tilemap, 0, 0); pandora_update(screen->machine,bitmap,cliprect); return 0; } static VIDEO_EOF(hvyunit) { pandora_eof(machine); } static WRITE8_HANDLER( trigger_nmi_on_sound_cpu2 ) { soundlatch_w(space,0,data); cpu_set_input_line(space->machine->cpu[2], INPUT_LINE_NMI, PULSE_LINE); } static WRITE8_HANDLER( trigger_nmi_on_sub_cpu) { cpu_set_input_line(space->machine->cpu[1], INPUT_LINE_NMI, PULSE_LINE); } static WRITE8_HANDLER( main_bankswitch_w ) { unsigned char *ROM = memory_region(space->machine, "maincpu"); int bank=data&7; ROM = &ROM[0x4000 * bank]; memory_set_bankptr(space->machine, 1,ROM); } WRITE8_HANDLER( hu_videoram_w ) { videoram[offset] = data; tilemap_mark_tile_dirty(bg_tilemap, offset); } WRITE8_HANDLER( hu_colorram_w ) { colorram[offset] = data; tilemap_mark_tile_dirty(bg_tilemap, offset); } static ADDRESS_MAP_START( main_memory, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_ROM AM_RANGE(0x8000, 0xbfff) AM_READ(SMH_BANK1) AM_RANGE(0xc000, 0xcfff) AM_READWRITE( pandora_spriteram_r, pandora_spriteram_w ) AM_RANGE(0xd000, 0xdfff) AM_RAM AM_RANGE(0xe000, 0xefff) AM_RAM AM_SHARE(1) AM_RANGE(0xf000, 0xffff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START(main_io, ADDRESS_SPACE_IO, 8 ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_WRITE(main_bankswitch_w) AM_RANGE(0x02, 0x02) AM_WRITE(trigger_nmi_on_sub_cpu) ADDRESS_MAP_END static WRITE8_HANDLER( sub_bankswitch_w ) { unsigned char *ROM = memory_region(space->machine, "sub"); int bank=(data&0x03); port0_data=data; ROM = &ROM[0x4000 * bank]; memory_set_bankptr(space->machine, 2,ROM); } static WRITE8_HANDLER( hu_scrollx_w) { hu_scrollx=data; } static WRITE8_HANDLER( hu_scrolly_w) { hu_scrolly=data; } static ADDRESS_MAP_START( sub_memory, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_ROM AM_RANGE(0x8000, 0xbfff) AM_READ(SMH_BANK2) AM_RANGE(0xc000, 0xc3ff) AM_RAM_WRITE(hu_videoram_w) AM_BASE(&videoram) AM_RANGE(0xc400, 0xc7ff) AM_RAM_WRITE(hu_colorram_w) AM_BASE(&colorram) AM_RANGE(0xd000, 0xd1ff) AM_RAM_WRITE(paletteram_xxxxRRRRGGGGBBBB_split2_w) AM_BASE(&paletteram_2) AM_RANGE(0xd800, 0xd9ff) AM_RAM_WRITE(paletteram_xxxxRRRRGGGGBBBB_split1_w) AM_BASE(&paletteram) AM_RANGE(0xd000, 0xdfff) AM_RAM AM_RANGE(0xe000, 0xefff) AM_RAM AM_SHARE(1) AM_RANGE(0xf000, 0xffff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START(sub_io, ADDRESS_SPACE_IO, 8 ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_WRITE(sub_bankswitch_w) AM_RANGE(0x02, 0x02) AM_WRITE(trigger_nmi_on_sound_cpu2) AM_RANGE(0x04, 0x04) AM_READ(mermaid_data_r) AM_WRITE(mermaid_data_w) AM_RANGE(0x06, 0x06) AM_WRITE(hu_scrolly_w) AM_RANGE(0x08, 0x08) AM_WRITE(hu_scrollx_w) AM_RANGE(0x0c, 0x0c) AM_READ(mermaid_status_r) AM_RANGE(0x0e, 0x0e) AM_RAM // AM_RANGE(0x22, 0x22) AM_READ(hu_scrolly_hi_reset) //22/a2 taken from ram $f065 // AM_RANGE(0xa2, 0xa2) AM_READ(hu_scrolly_hi_set) ADDRESS_MAP_END static WRITE8_HANDLER( sound_bankswitch_w ) { unsigned char *ROM = memory_region(space->machine, "soundcpu"); int bank=data&0x3; ROM = &ROM[0x4000 * bank]; memory_set_bankptr(space->machine, 3,ROM); } static ADDRESS_MAP_START( sound_memory, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x7fff) AM_ROM AM_RANGE(0x8000, 0xbfff) AM_READ(SMH_BANK3) AM_RANGE(0xc000, 0xc7ff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START(sound_io, ADDRESS_SPACE_IO, 8 ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_WRITE(sound_bankswitch_w) AM_RANGE(0x02, 0x03) AM_DEVREADWRITE("ym", ym2203_r, ym2203_w) AM_RANGE(0x04, 0x04) AM_READ(soundlatch_r) ADDRESS_MAP_END static INPUT_PORTS_START( hvyunit ) PORT_START("IN0") 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_UNKNOWN ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_TILT ) // copied from DJ Boy, might not PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_START("IN1") 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 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_START("IN2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) /*copied from DJ Boy, might be wrong */ PORT_START("DSW1") PORT_DIPNAME( 0x01, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x01, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x00, DEF_STR( Flip_Screen ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x02, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x00, DEF_STR( Service_Mode ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x04, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x08, DEF_STR( On ) ) PORT_DIPNAME( 0x30, 0x00, DEF_STR( Coin_A ) ) PORT_DIPSETTING( 0x20, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x30, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x10, DEF_STR( 1C_2C ) ) PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Coin_B ) ) PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0xc0, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x40, DEF_STR( 1C_2C ) ) PORT_START("DSW2") PORT_DIPNAME( 0x03, 0x00, DEF_STR( Difficulty ) ) PORT_DIPSETTING( 0x01, DEF_STR( Easy ) ) PORT_DIPSETTING( 0x00, DEF_STR( Normal ) ) PORT_DIPSETTING( 0x02, DEF_STR( Hard ) ) PORT_DIPSETTING( 0x03, DEF_STR( Hardest ) ) PORT_DIPNAME( 0x0c, 0x00, "Bonus" ) PORT_DIPSETTING( 0x00, "10,30,50,70,90" ) PORT_DIPSETTING( 0x04, "10,20,30,40,50,60,70,80,90" ) PORT_DIPSETTING( 0x08, "20,50" ) PORT_DIPSETTING( 0x0c, DEF_STR( None ) ) PORT_DIPNAME( 0x30, 0x00, DEF_STR( Lives ) ) PORT_DIPSETTING( 0x10, "3" ) PORT_DIPSETTING( 0x00, "5" ) PORT_DIPSETTING( 0x20, "7" ) PORT_DIPSETTING( 0x30, "9" ) PORT_DIPNAME( 0x40, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, "Stereo Sound" ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_START("TEST") PORT_DIPNAME( 0x01, 0x01, "TEST" ) PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) INPUT_PORTS_END /****************** Graphics ************************/ static const gfx_layout tile_layout = { 16,16, RGN_FRAC(1,1), 4, { 0, 1, 2, 3 }, { 0*4,1*4,2*4,3*4,4*4,5*4,6*4,7*4, 8*32+0*4,8*32+1*4,8*32+2*4,8*32+3*4,8*32+4*4,8*32+5*4,8*32+6*4,8*32+7*4 }, { 0*32,1*32,2*32,3*32,4*32,5*32,6*32,7*32, 16*32+0*32,16*32+1*32,16*32+2*32,16*32+3*32,16*32+4*32,16*32+5*32,16*32+6*32,16*32+7*32 }, 4*8*32 }; static GFXDECODE_START( hvyunit ) GFXDECODE_ENTRY( "gfx1", 0, tile_layout, 0x100, 16 ) /* sprite bank */ GFXDECODE_ENTRY( "gfx2", 0, tile_layout, 0x000, 16 ) /* background tiles */ GFXDECODE_END /****************** Machine ************************/ static INTERRUPT_GEN( hvyunit_interrupt ) { static int addr = 0xff; addr ^= 0x02; cpu_set_input_line_and_vector(device, 0, HOLD_LINE, addr); } static MACHINE_DRIVER_START( hvyunit ) MDRV_CPU_ADD("maincpu", Z80,6000000) MDRV_CPU_PROGRAM_MAP(main_memory,0) MDRV_CPU_IO_MAP(main_io,0) MDRV_CPU_VBLANK_INT_HACK(hvyunit_interrupt,2) MDRV_CPU_ADD("sub", Z80,6000000) MDRV_CPU_PROGRAM_MAP(sub_memory,0) MDRV_CPU_IO_MAP(sub_io,0) MDRV_CPU_VBLANK_INT("screen", irq0_line_hold) MDRV_CPU_ADD("soundcpu", Z80, 6000000) MDRV_CPU_PROGRAM_MAP(sound_memory,0) MDRV_CPU_IO_MAP(sound_io,0) MDRV_CPU_VBLANK_INT("screen", irq0_line_hold) MDRV_QUANTUM_TIME(HZ(6000)) MDRV_MACHINE_RESET(mermaid) MDRV_SCREEN_ADD("screen", RASTER) MDRV_SCREEN_REFRESH_RATE(58) MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MDRV_SCREEN_SIZE(256, 256) MDRV_SCREEN_VISIBLE_AREA(0, 256-1, 16, 240-1) MDRV_GFXDECODE(hvyunit) MDRV_PALETTE_LENGTH(0x800) MDRV_VIDEO_START(hvyunit) MDRV_VIDEO_UPDATE(hvyunit) MDRV_VIDEO_EOF(hvyunit) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SOUND_ADD("ym", YM2203, 3000000) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80) MACHINE_DRIVER_END ROM_START( hvyunit ) ROM_REGION( 0x20000, "maincpu", 0 ) ROM_LOAD( "b73_10.5c", 0x00000, 0x20000, CRC(ca52210f) SHA1(346951962aa5bbad641117dbd66f035dddc7c0bf) ) ROM_REGION( 0x10000, "sub", 0 ) ROM_LOAD( "b73_11.5p", 0x00000, 0x10000, CRC(cb451695) SHA1(116fd59f96a54c22fae65eea9ee5e58cb9ce5074) ) ROM_REGION( 0x10000, "soundcpu", 0 ) ROM_LOAD( "b73_12.7e", 0x000000, 0x010000, CRC(d1d24fab) SHA1(ed0312535d0b136d79aa885b9e6eea19ebde6409) ) ROM_REGION( 0x02000, "mermaid", 0 ) ROM_LOAD( "mermaid.i8751_mcu", 0x000000, 0x02000, NO_DUMP ) ROM_REGION( 0x200000, "gfx1", 0 ) // loading only verified for roms marked 'ok' ROM_LOAD( "b73_08.2f", 0x000000, 0x080000, CRC(f83dd808) SHA1(09d5f1e86fad3a0d2d3ac1845103d3f2833c6793) ) // attract ok ROM_LOAD( "b73_07.2c", 0x100000, 0x010000, CRC(5cffa42c) SHA1(687e047345039479b35d5099e56dbc1d57284ed9) ) ROM_LOAD( "b73_06.2b", 0x120000, 0x010000, CRC(a98e4aea) SHA1(560fef03ad818894c9c7578c6282d55b646e8129) ) // attract ok ROM_LOAD( "b73_01.1b", 0x140000, 0x010000, CRC(3a8a4489) SHA1(a01d7300015f90ce6dd571ad93e7a58270a99e47) ) // attract ok ROM_LOAD( "b73_02.1c", 0x160000, 0x010000, CRC(025c536c) SHA1(075e95cc39e792049ae656404e7f7440df064391) ) // attract ok ROM_LOAD( "b73_03.1d", 0x180000, 0x010000, CRC(ec6020cf) SHA1(2973aa2dc3deb2f27c9f1bad07a7664bad95b3f2) ) ROM_LOAD( "b73_04.1f", 0x1a0000, 0x010000, CRC(f7badbb2) SHA1(d824ab4aba94d7ca02401f4f6f34213143c282ec) ) ROM_LOAD( "b73_05.1h", 0x1c0000, 0x010000, CRC(b8e829d2) SHA1(31102358500d7b58173d4f18647decf5db744416) ) ROM_REGION( 0x80000, "gfx2", 0 ) ROM_LOAD( "b73_09.2p", 0x000000, 0x080000, CRC(537c647f) SHA1(941c0f4e251bc68e53d62e70b033a3a6c145bb7e) ) ROM_END ROM_START( hvyunitj ) ROM_REGION( 0x20000, "maincpu", 0 ) ROM_LOAD( "b73_30.5c", 0x00000, 0x20000, CRC(600af545) SHA1(c52b9be2bae28848ad0818c296f000a1bda4fa4f) ) ROM_REGION( 0x10000, "sub", 0 ) ROM_LOAD( "b73_14.5p", 0x00000, 0x10000, CRC(0dfb51d4) SHA1(0e6f3b3d4558f12fe1b1620f57a0f4ac2065fd1a) ) ROM_REGION( 0x10000, "soundcpu", 0 ) ROM_LOAD( "b73_12.7e", 0x000000, 0x010000, CRC(d1d24fab) SHA1(ed0312535d0b136d79aa885b9e6eea19ebde6409) ) ROM_REGION( 0x02000, "mermaid", 0 ) ROM_LOAD( "mermaid.i8751_mcu", 0x000000, 0x02000, NO_DUMP ) ROM_REGION( 0x200000, "gfx1", 0 ) // loading only verified for roms marked 'ok' ROM_LOAD( "b73_08.2f", 0x000000, 0x080000, CRC(f83dd808) SHA1(09d5f1e86fad3a0d2d3ac1845103d3f2833c6793) ) // attract ok ROM_LOAD( "b73_07.2c", 0x100000, 0x010000, CRC(5cffa42c) SHA1(687e047345039479b35d5099e56dbc1d57284ed9) ) ROM_LOAD( "b73_06.2b", 0x120000, 0x010000, CRC(a98e4aea) SHA1(560fef03ad818894c9c7578c6282d55b646e8129) ) // attract ok ROM_LOAD( "b73_01.1b", 0x140000, 0x010000, CRC(3a8a4489) SHA1(a01d7300015f90ce6dd571ad93e7a58270a99e47) ) // attract ok ROM_LOAD( "b73_02.1c", 0x160000, 0x010000, CRC(025c536c) SHA1(075e95cc39e792049ae656404e7f7440df064391) ) // attract ok ROM_LOAD( "b73_03.1d", 0x180000, 0x010000, CRC(ec6020cf) SHA1(2973aa2dc3deb2f27c9f1bad07a7664bad95b3f2) ) ROM_LOAD( "b73_04.1f", 0x1a0000, 0x010000, CRC(f7badbb2) SHA1(d824ab4aba94d7ca02401f4f6f34213143c282ec) ) ROM_LOAD( "b73_05.1h", 0x1c0000, 0x010000, CRC(b8e829d2) SHA1(31102358500d7b58173d4f18647decf5db744416) ) ROM_REGION( 0x80000, "gfx2", 0 ) ROM_LOAD( "b73_09.2p", 0x000000, 0x080000, CRC(537c647f) SHA1(941c0f4e251bc68e53d62e70b033a3a6c145bb7e) ) ROM_END ROM_START( hvyunito ) ROM_REGION( 0x20000, "maincpu", 0 ) ROM_LOAD( "b73_13.5c", 0x00000, 0x20000, CRC(e2874601) SHA1(7f7f3287113b8622eb365d04135d2d9c35d70554) ) ROM_REGION( 0x10000, "sub", 0 ) ROM_LOAD( "b73_14.5p", 0x00000, 0x10000, CRC(0dfb51d4) SHA1(0e6f3b3d4558f12fe1b1620f57a0f4ac2065fd1a) ) ROM_REGION( 0x10000, "soundcpu", 0 ) ROM_LOAD( "b73_12.7e", 0x000000, 0x010000, CRC(d1d24fab) SHA1(ed0312535d0b136d79aa885b9e6eea19ebde6409) ) ROM_REGION( 0x02000, "mermaid", 0 ) ROM_LOAD( "mermaid.i8751_mcu", 0x000000, 0x02000, NO_DUMP ) ROM_REGION( 0x200000, "gfx1", 0 ) // loading only verified for roms marked 'ok' ROM_LOAD( "b73_08.2f", 0x000000, 0x080000, CRC(f83dd808) SHA1(09d5f1e86fad3a0d2d3ac1845103d3f2833c6793) ) // attract ok ROM_LOAD( "b73_07.2c", 0x100000, 0x010000, CRC(5cffa42c) SHA1(687e047345039479b35d5099e56dbc1d57284ed9) ) ROM_LOAD( "b73_06.2b", 0x120000, 0x010000, CRC(a98e4aea) SHA1(560fef03ad818894c9c7578c6282d55b646e8129) ) // attract ok ROM_LOAD( "b73_01.1b", 0x140000, 0x010000, CRC(3a8a4489) SHA1(a01d7300015f90ce6dd571ad93e7a58270a99e47) ) // attract ok ROM_LOAD( "b73_02.1c", 0x160000, 0x010000, CRC(025c536c) SHA1(075e95cc39e792049ae656404e7f7440df064391) ) // attract ok ROM_LOAD( "b73_03.1d", 0x180000, 0x010000, CRC(ec6020cf) SHA1(2973aa2dc3deb2f27c9f1bad07a7664bad95b3f2) ) ROM_LOAD( "b73_04.1f", 0x1a0000, 0x010000, CRC(f7badbb2) SHA1(d824ab4aba94d7ca02401f4f6f34213143c282ec) ) ROM_LOAD( "b73_05.1h", 0x1c0000, 0x010000, CRC(b8e829d2) SHA1(31102358500d7b58173d4f18647decf5db744416) ) ROM_REGION( 0x80000, "gfx2", 0 ) ROM_LOAD( "b73_09.2p", 0x000000, 0x080000, CRC(537c647f) SHA1(941c0f4e251bc68e53d62e70b033a3a6c145bb7e) ) ROM_END GAME( 1988, hvyunit, 0, hvyunit, hvyunit, 0, ROT0, "Kaneko / Taito", "Heavy Unit (World)" ,GAME_NOT_WORKING ) GAME( 1988, hvyunitj, hvyunit, hvyunit, hvyunit, 0, ROT0, "Kaneko / Taito", "Heavy Unit (Japan, Newer)" ,GAME_NOT_WORKING ) GAME( 1988, hvyunito, hvyunit, hvyunit, hvyunit, 0, ROT0, "Kaneko / Taito", "Heavy Unit (Japan, Older)" ,GAME_NOT_WORKING )