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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.
Jockey Club II (Seta, 0)
Memory Area:jclub2_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFFF2097152ROM
0x400000-0x41FFFF131072RAM, Sharednvram (//all 68k ram is battery backup)
0x490000-0x4900034Writedarkhors_eeprom_w
0x4E0000-0x4E00034Writejclub2_input_sel_w_p1
0x4E0000-0x4E00034Readp_4e0000 (//input 2p)
0x580000-0x5800034Read Port580000 (//eeprom related?)
0x7fffffffUnknownActive Low
0x80000000SpecialActive High
0x580004-0x5800074Readp_580004 (//system + some 1p input here)
0x580008-0x58000B4Read Port580008 (//input 1p + coins)
0xffffUnknownActive Low
0x10000P1 PayoutActive Low
0x20000UnknownActive Low
0x40000UnknownActive Low
0x80000Start 1Active Low
0x100000UnknownActive Low
0x200000UnknownActive Low
0x400000P2 coin outActive Low
0x800000P1 coin outActive Low
0x1000000UnknownActive Low
0x2000000UnknownActive Low
0x4000000Coin 1Active Low
0x8000000Coin 3Active Low
0x10000000Coin 1Active Low
0x20000000Coin 2Active Low
0x40000000Coin 3Active Low
0x80000000Coin 4Active Low
0x58000C-0x58000F4Writejclub2_input_sel_w_p2
0x580200-0x5802034Read NOP(//????)
0x800000-0x87FFFF524288Device Read/Write 16-bitst0020_spr, st0020_device, st0020_sprram_r, st0020_sprram_w, 0xffffffff
0x880000-0x89FFFF131072RAM, Device Write, Sharedpalette, palette_device, write, palette
0x8A0000-0x8BFFFF131072RAM(// this should still be palette ram!)
0x8E0000-0x8E01FF512RAM
0x900000-0x9FFFFF1048576Device Read/Write 16-bitst0020_spr, st0020_device, st0020_gfxram_r, st0020_gfxram_w, 0xffffffff
 

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:eeprom
Address RangeLengthLabel/LocationDescription
0x0000-0x007F128eeprom-jclub2.binCRC(1513cdc8)
Memory Area:misc
Address RangeLengthLabel/LocationDescription
0x0000-0x0116279gal16v8b-m88-03.binCRC(6d9c882e) (Fluke: 1647)
0x0000-0x0116279gal16v8b-m88-04.binCRC(5e79f292) (Fluke: F9E4)
Memory Area:patch
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576m88-02.u6CRC(0dd3436a) (Fluke: FE5B)
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