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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.
Borderline (Sega, 1981)
Memory Area:brdrline_io_map
Address RangeLengthFunctionDescription
0x00001Mirror, Read Port0x0c, IN0
0x0001Joystick UpActive Low
0x0002Button 1Active Low
0x0004SpecialActive High
0x0008CabinetActive High
0x0000UprightActive High
0x0008CocktailActive High
0x0010Joystick DownActive Low
0x0020Joystick UpActive Low
0x00c0UnusedActive Low
0x0000-0x000F16Writebrdrline_io_w
0x00011Mirror, Read Port0x0c, IN1
0x0001Joystick RightActive Low
0x0002UnknownActive Low
0x0004SpecialActive High
0x0008SpecialActive High
0x0010Joystick LeftActive Low
0x0020Joystick RightActive Low
0x00c0UnusedActive Low
0x00021Mirror, Read Port0x0c, IN2
0x0001Joystick DownActive Low
0x0002UnknownActive Low
0x0004SpecialActive High
0x0008SpecialActive High
0x0010Start 1Active Low
0x0020Button 1Active Low
0x00c0UnusedActive Low
0x00031Mirror, Read Port0x0c, IN3
0x0001Joystick LeftActive Low
0x0002UnknownActive Low
0x0004Bonus_LifeActive High
0x000415000Active High
0x000020000Active High
0x0008SpecialActive Low
0x0010UnknownActive Low
0x0020Start 2Active Low
0x00c0UnusedActive Low
Memory Area:vicdual_dualgame_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384Mirror, ROM0x4000,
0x8000-0x83FF1024Mirror, RAM Write, Shared0x7000, videoram_w, videoram
0x8400-0x87FF1024Mirror, RAM0x7000,
0x8800-0x8FFF2048Mirror, RAM Write, Shared0x7000, characterram_w, characterram
 

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:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF1024b1.binCRC(df182769) (Fluke: 13C2)
0x0400-0x07FF1024b2.binCRC(e1d1c4ce) (Fluke: B93B)
0x0800-0x0BFF1024b3.binCRC(4ec4afa2) (Fluke: D1F7)
0x0C00-0x0FFF1024b4.binCRC(88de95f6) (Fluke: E7F4)
0x1000-0x13FF1024b5.binCRC(2e4e13b9) (Fluke: 6C56)
0x1400-0x17FF1024b6.binCRC(c181e87a) (Fluke: C047)
0x1800-0x1BFF1024b7.binCRC(21180015) (Fluke: 45CB)
0x1C00-0x1FFF1024b8.binCRC(56a7fee0) (Fluke: 0477)
0x2000-0x23FF1024b9.binCRC(bb532e63) (Fluke: F161)
0x2400-0x27FF1024b10.binCRC(64793709) (Fluke: F444)
0x2800-0x2BFF1024b11.binCRC(2ae2f928) (Fluke: D41F)
0x2C00-0x2FFF1024b12.binCRC(e14cfaf5) (Fluke: 2B75)
0x3000-0x33FF1024b13.binCRC(605e0d27) (Fluke: 2E70)
0x3400-0x37FF1024b14.binCRC(93f5714f) (Fluke: EA87)
0x3800-0x3BFF1024b15.binCRC(2f8a9b1c) (Fluke: 27EC)
0x3C00-0x3FFF1024b16.binCRC(cc138bed) (Fluke: D31F)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32borderc.49CRC(bc6be94e) (Fluke: 28FF)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256prom93427.1CRC(64b98dc7) (Fluke: 9F17)
0x0000-0x00FF256prom93427.2CRC(bda82367) (Fluke: C48C)
0x0000-0x001F32bordera.15CRC(6449e678) (Fluke: 576E)
0x0000-0x001F32border.32CRC(c128d0ba) (Fluke: DFFA)
0x0000-0x001F32borderb.14CRC(55dcdef1) (Fluke: A7AD)
Memory Area:user2
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF1024au.binCRC(a23e1d9f) (Fluke: B539)
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