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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.
West Story (bootleg (Datsu), 1990)
Memory Area:bloodbro_map
Address RangeLengthFunctionDescription
0xC0000-0xC004F80Device Read/Writecrtc, seibu_crtc_device, read, write
Memory Area:common_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x80000-0x8AFFF45056RAM
0x8B000-0x8BFFF4096RAM, Sharedspriteram
0x8C000-0x8C3FF1024RAM Write, Sharedbgvideoram_w, bgvideoram
0x8C400-0x8CFFF3072RAM
0x8D000-0x8D3FF1024RAM Write, Sharedfgvideoram_w, fgvideoram
0x8D400-0x8D7FF1024RAM
0x8D800-0x8DFFF2048RAM Write, Sharedtxvideoram_w, txvideoram
0x8E000-0x8E7FF2048RAM
0x8E800-0x8F7FF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x8F800-0x8FFFF2048RAM
0xA0000-0xA000D14Device Read/Writeseibu_sound, seibu_sound_device, main_word_r, main_word_w
0xC0080-0xC00812Write NOP(// ??? IRQ Ack VBL?)
0xC00C0-0xC00C12Write NOP(// ??? watchdog?)
0xC0100-0xC01012Write NOP(// ??? written once)
0xE0000-0xE00012Read PortDSW
0xE0002-0xE00032Read PortIN0
0xE0004-0xE00052Read PortIN1
Memory Area:weststry_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x80000-0x8FFFF65536RAM(// old VRAM areas still used, but bootleg code copies them to higher addresses)
0xC1000-0xC10034Write 8-bitweststry_soundlatch_w, 0xff00
0xC1000-0xC10012Read PortDSW
0xC1002-0xC10032Read PortIN0
0xC1004-0xC10052Read PortIN1
0xC1004-0xC100B8Writeweststry_layer_scroll_w
0xE0002-0xE00032Read NOP(// remnant of old code)
0x122800-0x122BFF1024RAM(// cleared at startup)
0x122C00-0x122FFF1024RAM Write, Sharedfgvideoram_w, fgvideoram
0x123000-0x1233FF1024RAM Write, Sharedbgvideoram_w, bgvideoram
0x123400-0x1237FF1024RAM(// cleared at startup)
0x123800-0x123FFF2048RAM Write, Sharedtxvideoram_w, txvideoram
0x124000-0x1240056RAM
0x124006-0x1247FD2040RAM, Sharedspriteram
0x128000-0x1287FF2048RAM Device Write, Sharedpalette, palette_device, write, palette
 

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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768ws17.binCRC(e00a8f09) (Fluke: 467E)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768ws09.binCRC(f05b2b3e),characters (Fluke: 064D)
0x8000-0xFFFF32768ws11.binCRC(2b10e3d2) (Fluke: 18E3)
0x10000-0x17FFF32768ws10.binCRC(efdf7c82) (Fluke: 153C)
0x18000-0x1FFFF32768ws12.binCRC(af993578) (Fluke: 47C1)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072ws05.binCRC(007c8dc0),Background (Fluke: 927B)
0x20000-0x3FFFF131072ws01.binCRC(32bda4bc),Foreground (Fluke: DFD9)
0x40000-0x5FFFF131072ws07.binCRC(0f0c8d9a) (Fluke: 028A)
0x60000-0x7FFFF131072ws03.binCRC(046b51f8) (Fluke: 2E6D)
0x80000-0x9FFFF131072ws06.binCRC(459d075e) (Fluke: 2885)
0xA0000-0xBFFFF131072ws02.binCRC(ed9d682e) (Fluke: 6D47)
0xC0000-0xDFFFF131072ws08.binCRC(4d6783b3) (Fluke: 4DEB)
0xE0000-0xFFFFF131072ws04.binCRC(75f082e5) (Fluke: 3F17)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072ws25.binBAD_DUMP CRC(8092e8e9),sprites (Fluke: 22A5)
0x20000-0x3FFFF131072ws26.binBAD_DUMP CRC(f6a1f42c) (Fluke: D26D)
0x40000-0x5FFFF131072ws23.binCRC(43d58e24) (Fluke: 8BA1)
0x60000-0x7FFFF131072ws24.binCRC(20a867ea) (Fluke: 1347)
0x80000-0x9FFFF131072ws21.binCRC(e23d7296) (Fluke: CEE7)
0xA0000-0xBFFFF131072ws22.binCRC(7150a060) (Fluke: C1CE)
0xC0000-0xDFFFF131072ws19.binCRC(c5dd0a96) (Fluke: 9574)
0xE0000-0xFFFFF131072ws20.binCRC(f1245c16) (Fluke: 2550)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072bb_08.binCRC(deb1b975) (Fluke: 337F)
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