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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.
Indianapolis (bootleg, 1981)
Memory Area:turbo_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0xA000-0xA0FF256Mirror, Read/Write0x0700, spriteram_r, spriteram_w
0xA800-0xA8078Mirror, Write0x07f8, turbo_coin_and_lamp_w
0xB000-0xB3FF1024Mirror, RAM, Shared0x0400, , spritepos
0xB800-0xBFFF2048Writeturbo_analog_reset_w
0xE000-0xE7FF2048RAM Write, Sharedturbo_videoram_w, videoram
0xE800-0xEFFF2048Writeturbo_collision_clear_w
0xF000-0xF7FF2048RAM
0xF800-0xF8034Mirror, Device Read/Write0x00fc, i8255_0, i8255_device, read, write
0xF900-0xF9034Mirror, Device Read/Write0x00fc, i8255_1, i8255_device, read, write
0xFA00-0xFA034Mirror, Device Read/Write0x00fc, i8255_2, i8255_device, read, write
0xFB00-0xFB034Mirror, Device Read/Write0x00fc, i8255_3, i8255_device, read, write
0xFC00-0xFC012Mirror, Device Read/Write0x00fe, i8279, i8279_device, read, write
0xFD00-0xFDFF256Read PortINPUT
0xFE00-0xFEFF256Readturbo_collision_r
 

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:fgtiles
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048ic111.binCRC(fab3899b)
0x0800-0x0FFF2048ic122.binCRC(e5fab290)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192ic76.binCRC(c208373b)
0x2000-0x3FFF8192ic89.binCRC(93ebc86a)
0x4000-0x5FFF8192ic103.binCRC(71876f74)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F3274s288.ic13CRC(78aded46),road red/green color table (Fluke: 796A)
0x0020-0x003F3274s288.ic18CRC(172d0835),road collision/enable // different
0x0040-0x005F3274s288.ic20CRC(3956767d),collision detection (Fluke: 5FCE)
0x0060-0x007F3274s288.ic21CRC(f06d9907),road green/blue color table (Fluke: 03C5)
0x0100-0x01FF256ic99.binCRC(59f36e1c),background color table // different
0x0200-0x03FF512pr-1119.cpu-ic50CRC(57ebd4bc),sprite Y scaling (Fluke: BA7A)
0x0400-0x05FF512pr-1120.cpu-ic62CRC(8dd4c8a8),video timing (Fluke: 4DCE)
0x0600-0x07FF512pr-1121.prom-ic29CRC(7692f497),palette (Fluke: A01E)
0x0800-0x0BFF1024pr-1122.prom-ic11CRC(1a86ce70),sprite priorities (Fluke: 0E13)
0x0C00-0x0FFF1024pr-1123.prom-ic12CRC(02d2cb52),sprite/road/background priorities (Fluke: E371)
0x1000-0x101F32pr-1279.sound-ic40CRC(b369a6ae),sound board PROM (Fluke: 7C6E)
Memory Area:road
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096ic1.binCRC(c2f649a6)
0x1000-0x1FFF4096ic13.binCRC(fefcf3be)
0x2000-0x2FFF4096ic27.binCRC(83195ee5)
0x3000-0x3FFF4096ic41.binCRC(3158a549)
0x4000-0x47FF2048ic74.binCRC(29854c48) (Fluke: 7064)
Memory Area:sprites
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192a-ic84.binCRC(555bfe9a),level 0 (Fluke: 757A)
0x8000-0x9FFF8192c-ic88.binCRC(95182020),level 2
0xC000-0xDFFF8192e-ic90.binCRC(0e857f82),level 3
0xE000-0xFFFF8192d-ic99.binCRC(aee6e05e) (Fluke: 3754)
0x10000-0x11FFF8192g-ic92.binCRC(292573de),level 4 (Fluke: 4E51)
0x12000-0x13FFF8192f-ic100.binCRC(aee6e05e) (Fluke: 3754)
0x14000-0x15FFF8192k-ic94.binCRC(92783626),level 5 (Fluke: A78D)
0x16000-0x17FFF8192h-ic101.binCRC(aee6e05e) (Fluke: 3754)
0x18000-0x19FFF8192p-ic32.binCRC(485dcef9),level 6 (Fluke: 2E6D)
0x1A000-0x1BFFF8192n-ic47.binCRC(aee6e05e) (Fluke: 3754)
0x1C000-0x1DFFF8192m-ic34.binCRC(4ca984ce),level 7 (Fluke: C149)
0x1E000-0x1FFFF8192l-ic49.binCRC(aee6e05e) (Fluke: 3754)
Memory Area:unkproms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256ic90.binCRC(eb2fd7a2)
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