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Memory Map

The following is a memory map that was generated based on the MAME source code (.180).  This information is only as accurate as the MAME driver is.  If you see any errors, please let me know what that error is.
 
The Memory Area is related to where the information is from (CPU, Sound Board, etc..), and it may also reflect what it has in common with other hardware.
Bulls Eye Darts (Shinkai Inc. (Magic Electronics Inc. license), 1985)
Memory Area:bullsdrt_map
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096ROM
0x10001Mirror, Read Port0x6000, DSW1
0x0001UnknownActive High
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004UnknownActive High
0x0004OffActive High
0x0000OnActive High
0x0008UnknownActive High
0x0008OffActive High
0x0000OnActive High
0x0010UnknownActive High
0x0010OffActive High
0x0000OnActive High
0x0020UnknownActive High
0x0020OffActive High
0x0000OnActive High
0x0040UnknownActive High
0x0040OffActive High
0x0000OnActive High
0x0080UnknownActive High
0x0080OffActive High
0x0000OnActive High
0x10801Mirror, Read0x6000, centiped_IN0_r
0x10811Mirror, Read Port0x6000, IN1
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0004Button 1Active Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020Coin 1Active Low
0x0040Coin 2Active Low
0x0080Coin 3Active Low
0x10821Mirror, Read0x6000, centiped_IN2_r
0x1200-0x123F64Mirror, Device Read/Write0x6000, earom,atari_vg_earom_device, read, write
0x12801Mirror, Device Write0x6000, earom, atari_vg_earom_device, ctrl_w
0x13001Mirror, Read Port0x6000, DSW2
0x0001UnknownActive High
0x0001OffActive High
0x0000OnActive High
0x0002UnknownActive High
0x0002OffActive High
0x0000OnActive High
0x0004UnknownActive High
0x0004OffActive High
0x0000OnActive High
0x0008UnknownActive High
0x0008OffActive High
0x0000OnActive High
0x0010UnknownActive High
0x0010OffActive High
0x0000OnActive High
0x0020UnknownActive High
0x0020OffActive High
0x0000OnActive High
0x0040UnknownActive High
0x0040OffActive High
0x0000OnActive High
0x0080UnknownActive High
0x0080OffActive High
0x0000OnActive High
0x1400-0x140F16Mirror, Write, Shared0x6000, centiped_paletteram_w, paletteram
0x14811Mirror, Write0x6000, bullsdrt_coin_count_w
0x1483-0x14842Mirror, Write0x6000, led_w
0x14871Mirror, Write0x6000, centiped_flip_screen_w
0x15001Mirror, Device Write0x6000, watchdog, watchdog_timer_device, reset_w
0x15801Mirror, Read/Write NOP0x6000,
0x1800-0x1BBF960Mirror, Write, Shared0x6000, centiped_videoram_w, videoram
0x1BC0-0x1BFF64Mirror, RAM, Shared0x6000, , spriteram
0x1C00-0x1FFF1024Mirror, RAM0x6000,
0x2000-0x2FFF4096ROM
0x4000-0x4FFF4096ROM
0x6000-0x6FFF4096ROM
Memory Area:bullsdrt_port_map
Address RangeLengthFunctionDescription
0x00001Writebullsdrt_sprites_bank_w
0x00001Read, Device Writebullsdrt_data_port_r, snsnd, sn76496_device, write
0x0020-0x003F32Write, Sharedbullsdrt_tilesbank_w, bullsdrt_bank
 

ROM Map for this game

 
This is the ROM map for the game.  This should tell you what address the ROM is at, how big it is, what it's used for.   
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF81922764_b.binCRC(49a19aba) (Fluke: 4324)
0x2000-0x3FFF81922764_a.binCRC(361ff09d) (Fluke: 0C6A)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF409627128.binCRC(2729f585) (Fluke: 17A2)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF51282s147.binCRC(d841b7e0) (Fluke: 9FF8)
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