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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.
Twin Brats (Elettronica Video-Games S.R.L., 1995)
Memory Area:stlforce_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x100000-0x1007FF2048RAM Write, Sharedstlforce_bg_videoram_w, bg_videoram
0x100800-0x100FFF2048RAM Write, Sharedstlforce_mlow_videoram_w, mlow_videoram
0x101000-0x1017FF2048RAM Write, Sharedstlforce_mhigh_videoram_w, mhigh_videoram
0x101800-0x1027FF4096RAM Write, Sharedstlforce_tx_videoram_w, tx_videoram
0x102800-0x102FFF2048RAM(/* unknown / ram */)
0x103000-0x1033FF1024RAM, Sharedbg_scrollram
0x103400-0x1037FF1024RAM, Sharedmlow_scrollram
0x103800-0x103BFF1024RAM, Sharedmhigh_scrollram
0x103C00-0x103FFF1024RAM, Sharedvidattrram
0x104000-0x104FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x105000-0x107FFF12288RAM(/* unknown / ram */)
0x108000-0x108FFF4096RAM, Sharedspriteram
0x109000-0x11FFFF94208RAM
0x400000-0x4000012Read PortINPUT
0x400002-0x4000032Read PortSYSTEM
0x400010-0x4000112Writeeeprom_w
0x400012-0x4000132Writeoki_bank_w
0x40001E-0x40001F2Write NOP(// sprites buffer commands)
0x410000-0x4100012Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
 

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:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF26214411.binCRC(00eecb03) (Fluke: 38CE)
0x0000-0x3FFFF26214411.binCRC(00eecb03) (Fluke: 38CE)
0x40000-0x7FFFF26214410.binCRC(7556bee9) (Fluke: B55C)
0x40000-0x7FFFF26214410.binCRC(7556bee9) (Fluke: B55C)
0x80000-0xBFFFF2621449.binCRC(13194d89) (Fluke: 05FA)
0x80000-0xBFFFF2621449.binCRC(13194d89) (Fluke: 05FA)
0xC0000-0xFFFFF2621448.binCRC(79f14528) (Fluke: E5F4)
0xC0000-0xFFFFF2621448.binCRC(79f14528) (Fluke: E5F4)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x007F128eeprom-twinbrat.binCRC(9366263d)
0x0000-0x007F128eeprom-twinbrat.binCRC(9366263d)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF5242881.binCRC(76296578) (Fluke: B8AD)
0x0000-0x7FFFF5242881.binCRC(76296578) (Fluke: B8AD)
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