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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.
Cobra-Command (Data East Corporation, 1988)
Memory Area:cobra_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM
0x0800-0x0FFF2048Device Read/Writetilegen1, deco_bac06_device, pf_data_8bit_r, pf_data_8bit_w
0x1000-0x17FF2048Device Read/Writetilegen2, deco_bac06_device, pf_data_8bit_r, pf_data_8bit_w
0x1800-0x1FFF2048RAM
0x2000-0x27FF2048RAM Write, Shareddec8_videoram_w, videoram
0x2800-0x2FFF2048RAM, Sharedspriteram
0x3000-0x31FF512RAM Device Write, Sharedpalette, palette_device, write, palette
0x3200-0x37FF1536Write Only(/* Unused */)
0x3800-0x38078Device Writetilegen1, deco_bac06_device, pf_control0_8bit_w
0x38001Read PortIN0 (/* Player 1 */)
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080Start 1Active Low
0x38011Read PortIN1 (/* Player 2 */)
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080Start 2Active Low
0x38021Read PortDSW0 (/* Dip 1 */)
0x00003C_1CActive High
0x00012C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00003C_1CActive High
0x00042C_1CActive High
0x000c1C_1CActive High
0x00081C_2CActive High
0x0010OffActive High
0x0000OnActive High
0x0000OffActive High
0x0020OnActive High
0x0040OffActive High
0x0000OnActive High
0x0000UprightActive High
0x0080CocktailActive High
0x38031Read PortDSW1 (/* Dip 2 */)
0x00033Active High
0x00024Active High
0x00015Active High
0x000099 (Cheat)Active High
0x0008EasyActive High
0x000cNormalActive High
0x0004HardActive High
0x0000HardestActive High
0x0000NoActive High
0x0010YesActive High
0x002050k and 150kActive High
0x0000100k and 200kActive High
0x3810-0x381F16Device Writetilegen1, deco_bac06_device, pf_control1_8bit_w
0x3A00-0x3A078Device Writetilegen2, deco_bac06_device, pf_control0_8bit_w
0x3A001Read PortIN2 (/* VBL & coins */)
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Service 1Active Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080CustomActive Low
0x3A10-0x3A1F16Device Writetilegen2, deco_bac06_device, pf_control1_8bit_w
0x3C001Writedec8_bank_w
0x3C021Writedec8_mxc06_karn_buffer_spriteram_w (/* DMA */)
0x3E001Writedec8_sound_w
0x4000-0x7FFF16384ROM Bankbank1
0x8000-0xFFFF32768ROM
Memory Area:dec8_s_map
Address RangeLengthFunctionDescription
0x0000-0x05FF1536RAM
0x2000-0x20012Device Writeym1, ym2203_device, write
0x4000-0x40012Device Writeym2, ym3812_device, write
0x60001Device Readsoundlatch, generic_latch_8_device, read
0x8000-0xFFFF32768ROM
 

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
0x8000-0xFFFF32768el10-4.binCRC(edfad118) (Fluke: A6A8)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768el14.binCRC(47246177) (Fluke: AEEA)
0x0000-0x7FFF32768el14.binCRC(47246177) (Fluke: AEEA)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536el00-4.binCRC(122da2a8) (Fluke: D3DD)
0x20000-0x2FFFF65536el01-4.binCRC(27bf705b) (Fluke: F782)
0x40000-0x4FFFF65536el02-4.binCRC(c86fede6) (Fluke: 1A39)
0x60000-0x6FFFF65536el03-4.binCRC(1d8a855b) (Fluke: 29EA)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536el05.binCRC(1c4f6033) (Fluke: 34AD)
0x0000-0xFFFF65536el05.binCRC(1c4f6033) (Fluke: 34AD)
0x20000-0x2FFFF65536el06.binCRC(d24ba794) (Fluke: E6BF)
0x20000-0x2FFFF65536el06.binCRC(d24ba794) (Fluke: E6BF)
0x40000-0x4FFFF65536el04.binCRC(d80a49ce) (Fluke: 751B)
0x40000-0x4FFFF65536el04.binCRC(d80a49ce) (Fluke: 751B)
0x60000-0x6FFFF65536el07.binCRC(6d771fc3) (Fluke: 936D)
0x60000-0x6FFFF65536el07.binCRC(6d771fc3) (Fluke: 936D)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768el08.binCRC(cb0dcf4c) (Fluke: 3648)
0x0000-0x7FFF32768el08.binCRC(cb0dcf4c) (Fluke: 3648)
0x20000-0x27FFF32768el09.binCRC(1fae5be7) (Fluke: 49A0)
0x20000-0x27FFF32768el09.binCRC(1fae5be7) (Fluke: 49A0)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x8000-0xFFFF32768el11-5.binCRC(af0a8b05) (Fluke: D77C)
0x10000-0x1FFFF65536el12-4.binCRC(7a44ef38) (Fluke: 6D4D)
0x20000-0x2FFFF65536el13.binCRC(04505acb) (Fluke: 497F)
0x20000-0x2FFFF65536el13.binCRC(04505acb) (Fluke: 497F)
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