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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.
D. D. Crew (bootleg, 1990)
Memory Area:ddcrewbl_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM(// ok)
0x200000-0x27FFFF524288ROM(// ok)
0x400000-0x40FFFF65536RAM Write, Sharedsys16_tileram_w, tileram
0x410000-0x410FFF4096RAM Write, Sharedsys16_textram_w, textram
0x440000-0x440FFF4096RAM, Sharedsprites (// ok)
0x840000-0x840FFF4096RAM Write, Sharedpaletteram_w, paletteram (// ok)
0xC00000-0xC000012Write NOP(// vdp leftovers maybe?)
0xC00004-0xC000052Write NOP
0xC00006-0xC000072Write NOP
0xC40000-0xC400012Read PortP1
0xC40002-0xC400032Read PortP2
0xC41000-0xC410012Read PortSERVICE
0xC41002-0xC410032Read PortCOINAGE
0xC41004-0xC410052Read PortDSW1
0xC41006-0xC410072Read PortP3
0xC44000-0xC440012Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0xC46000-0xC460012Write NOP
0xC46010-0xC460112Write NOP
0xC46020-0xC460212Write NOP
0xC46038-0xC4603F8Writeddcrewbl_spritebank_w (// ok)
0xC46040-0xC460412Write NOP
0xC46050-0xC460512Write NOP
0xC46060-0xC460612Write NOP
0xC46062-0xC460632Write NOP
0xC46064-0xC460652Write NOP
0xC46070-0xC460712Write NOP
0xC46600-0xC466012Writesys18_refreshenable_w
0xFFC000-0xFFFFFF16384RAM(// ok)
 

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:gals
Address RangeLengthLabel/LocationDescription
0x0000-0x0116279gal16v8-1.binCRC(64892ee8)
0x0000-0x0116279gal16v8-2.binCRC(22133a8f)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144fac-03.binCRC(2228cd88) (Fluke: F98B)
0x40000-0x7FFFF262144fac-02.binCRC(edba8e10) (Fluke: 420D)
0x80000-0xBFFFF262144fac-01.binCRC(e8ecc305) (Fluke: AF91)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288fac-12.binCRC(2e7dade2)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF25682s129.binCRC(00b5c4c4)
0x0000-0x001F3282s123.binCRC(58bcf8bd) (Fluke: 7557)
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