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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.
Bionic Commando (Capcom, 1987)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0xFE0000-0xFE07FF2048RAM(/* RAM? */)
0xFE0800-0xFE0CFF1280RAM, Sharedspriteram
0xFE0D00-0xFE3FFF13056RAM(/* RAM? */)
0xFE4000-0xFE40012Writebionicc_gfxctrl_w (/* + coin counters */)
0xFE4000-0xFE40012Read PortSYSTEM
0x0fffUnknownActive Low
0x1000Start 2Active Low
0x2000Start 1Active Low
0x4000Coin 2Active Low
0x8000Coin 1Active Low
0xFE4002-0xFE40032Read PortDSW
0x0007Coin_AActive High
0x00004C_1CActive High
0x00013C_1CActive High
0x00022C_1CActive High
0x00071C_1CActive High
0x00061C_2CActive High
0x00051C_3CActive High
0x00041C_4CActive High
0x00031C_6CActive High
0x0038Coin_BActive High
0x00004C_1CActive High
0x00083C_1CActive High
0x00102C_1CActive High
0x00381C_1CActive High
0x00301C_2CActive High
0x00281C_3CActive High
0x00201C_4CActive High
0x00181C_6CActive High
0x0080Flip_ScreenActive High
0x0080OffActive High
0x0000OnActive High
0x0300LivesActive High
0x03003Active High
0x02004Active High
0x01005Active High
0x00007Active High
0x0400CabinetActive High
0x0400UprightActive High
0x0000CocktailActive High
0x1800Bonus_LifeActive High
0x180020k 40k 100k 60k+Active High
0x100030k 50k 120k 70k+Active High
0x080020k 60kActive High
0x000030k 70kActive High
0x6000DifficultyActive High
0x4000EasyActive High
0x6000MediumActive High
0x2000HardActive High
0x0000HardestActive High
0x8000OffActive High
0x0000OnActive High
0xFE8010-0xFE80178Writebionicc_scroll_w
0xFE801A-0xFE801B2Writebionicc_mpu_trigger_w (/* ??? not sure, but looks like it */)
0xFEC000-0xFECFFF4096RAM Write, Sharedbionicc_txvideoram_w, txvideoram
0xFF0000-0xFF3FFF16384RAM Write, Sharedbionicc_fgvideoram_w, fgvideoram
0xFF4000-0xFF7FFF16384RAM Write, Sharedbionicc_bgvideoram_w, bgvideoram
0xFF8000-0xFF87FF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0xFFC000-0xFFFFF716376RAM(/* working RAM */)
0xFFFFF8-0xFFFFF92Read/Writehacked_soundcommand_r, hacked_soundcommand_w (/* hack */)
0xFFFFFA-0xFFFFFF6Read/Writehacked_controls_r, hacked_controls_w (/* hack */)
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x80012Device Read/Writeymsnd, ym2151_device, read, write
0xA0001Device Readsoundlatch, generic_latch_8_device, read
0xC000-0xC7FF2048RAM
 

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
0x0000-0x7FFF32768ts_01b.4eCRC(a9a6cafa) (Fluke: DE92)
0x0000-0x7FFF32768ts_01b.4eCRC(a9a6cafa) (Fluke: DE92)
0x0000-0x7FFF32768ts_01b.4eCRC(a9a6cafa) (Fluke: DE92)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768tsu_08.8lCRC(9bf0b7a2),VIDEORAM (text layer) tiles (Fluke: 8F7B)
0x0000-0x7FFF32768tsu_08.8lCRC(9bf0b7a2),VIDEORAM (text layer) tiles (Fluke: 8F7B)
0x0000-0x7FFF32768tsu_08.8lCRC(9bf0b7a2),VIDEORAM (text layer) tiles (Fluke: 8F7B)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768tsu_07.5lCRC(9469efa4),SCROLL2 Layer Tiles (Fluke: A9E6)
0x0000-0x7FFF32768tsu_07.5lCRC(9469efa4),SCROLL2 Layer Tiles (Fluke: A9E6)
0x0000-0x7FFF32768tsu_07.5lCRC(9469efa4),SCROLL2 Layer Tiles (Fluke: A9E6)
0x8000-0xFFFF32768tsu_06.4lCRC(40bf0eb4) (Fluke: 977C)
0x8000-0xFFFF32768tsu_06.4lCRC(40bf0eb4) (Fluke: 977C)
0x8000-0xFFFF32768tsu_06.4lCRC(40bf0eb4) (Fluke: 977C)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768ts_12.17fCRC(e4b4619e),SCROLL1 Layer Tiles (Fluke: 7E51)
0x0000-0x7FFF32768ts_12.17fCRC(e4b4619e),SCROLL1 Layer Tiles (Fluke: 7E51)
0x0000-0x7FFF32768ts_12.17fCRC(e4b4619e),SCROLL1 Layer Tiles (Fluke: 7E51)
0x8000-0xFFFF32768ts_11.15fCRC(ab30237a) (Fluke: 6CB6)
0x8000-0xFFFF32768ts_11.15fCRC(ab30237a) (Fluke: 6CB6)
0x8000-0xFFFF32768ts_11.15fCRC(ab30237a) (Fluke: 6CB6)
0x10000-0x17FFF32768ts_17.17gCRC(deb657e4) (Fluke: B6AF)
0x10000-0x17FFF32768ts_17.17gCRC(deb657e4) (Fluke: B6AF)
0x10000-0x17FFF32768ts_17.17gCRC(deb657e4) (Fluke: B6AF)
0x18000-0x1FFFF32768ts_16.15gCRC(d363b5f9) (Fluke: F176)
0x18000-0x1FFFF32768ts_16.15gCRC(d363b5f9) (Fluke: F176)
0x18000-0x1FFFF32768ts_16.15gCRC(d363b5f9) (Fluke: F176)
0x20000-0x27FFF32768ts_13.18fCRC(a8f5a004) (Fluke: 8E71)
0x20000-0x27FFF32768ts_13.18fCRC(a8f5a004) (Fluke: 8E71)
0x20000-0x27FFF32768ts_13.18fCRC(a8f5a004) (Fluke: 8E71)
0x28000-0x2FFFF32768ts_18.18gCRC(3b36948c) (Fluke: 3D07)
0x28000-0x2FFFF32768ts_18.18gCRC(3b36948c) (Fluke: 3D07)
0x28000-0x2FFFF32768ts_18.18gCRC(3b36948c) (Fluke: 3D07)
0x30000-0x37FFF32768ts_23.18jCRC(bbfbe58a) (Fluke: 40F2)
0x30000-0x37FFF32768ts_23.18jCRC(bbfbe58a) (Fluke: 40F2)
0x30000-0x37FFF32768ts_23.18jCRC(bbfbe58a) (Fluke: 40F2)
0x38000-0x3FFFF32768ts_24.18kCRC(f156e564) (Fluke: 1227)
0x38000-0x3FFFF32768ts_24.18kCRC(f156e564) (Fluke: 1227)
0x38000-0x3FFFF32768ts_24.18kCRC(f156e564) (Fluke: 1227)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768tse_10.13fCRC(d28eeacc),Sprites (Fluke: 9640)
0x8000-0xFFFF32768tsu_09.11fCRC(6a049292) (Fluke: FBB6)
0x8000-0xFFFF32768tsu_09.11fCRC(6a049292) (Fluke: FBB6)
0x8000-0xFFFF32768tsu_09.11fCRC(6a049292) (Fluke: FBB6)
0x10000-0x17FFF32768tse_15.13gCRC(9b5593c0) (Fluke: 107A)
0x18000-0x1FFFF32768tsu_14.11gCRC(46b2ad83) (Fluke: D3FF)
0x18000-0x1FFFF32768tsu_14.11gCRC(46b2ad83) (Fluke: D3FF)
0x18000-0x1FFFF32768tsu_14.11gCRC(46b2ad83) (Fluke: D3FF)
0x20000-0x27FFF32768tse_20.13jCRC(b03db778) (Fluke: 68D5)
0x28000-0x2FFFF32768tsu_19.11jCRC(b5c82722) (Fluke: C21F)
0x28000-0x2FFFF32768tsu_19.11jCRC(b5c82722) (Fluke: C21F)
0x28000-0x2FFFF32768tsu_19.11jCRC(b5c82722) (Fluke: C21F)
0x30000-0x37FFF32768tse_22.17jCRC(d4dedeb3) (Fluke: 2C5E)
0x38000-0x3FFFF32768tsu_21.15jCRC(98777006) (Fluke: 1396)
0x38000-0x3FFFF32768tsu_21.15jCRC(98777006) (Fluke: 1396)
0x38000-0x3FFFF32768tsu_21.15jCRC(98777006) (Fluke: 1396)
Memory Area:mcu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096c8751h-88
0x0000-0x0FFF4096c8751h-88
0x0000-0x0FFF4096c8751h-88
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