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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.
Commando (Capcom, 1985)
Memory Area:commando_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC0001Read PortSYSTEM
0x0001Start 1Active Low
0x0002Start 2Active Low
0x000cUnusedActive Low
0x0030UnknownActive Low
0x0040Coin 2Active Low
0x0080Coin 1Active Low
0xC0011Read PortP1
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick DownActive Low
0x0008Joystick UpActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x00c0UnusedActive Low
0xC0021Read PortP2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick DownActive Low
0x0008Joystick UpActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x00c0UnusedActive Low
0xC0031Read PortDSW1
0x00030 (Forest 1)Active High
0x00012 (Desert 1)Active High
0x00024 (Forest 2)Active High
0x00006 (Desert 2)Active High
0x000cLivesActive High
0x00042Active High
0x000c3Active High
0x00084Active High
0x00005Active High
0x0030Coin_BActive High
0x00004C_1CActive High
0x00203C_1CActive High
0x00102C_1CActive High
0x00301C_1CActive High
0x00c0Coin_AActive High
0x00002C_1CActive High
0x00c01C_1CActive High
0x00401C_2CActive High
0x00801C_3CActive High
0xC0041Read PortDSW2
0x0007Bonus_LifeActive High
0x000710K 50K+Active High
0x000310K 60K+Active High
0x000520K 60K+Active High
0x000120K 70K+Active High
0x000630K 70K+Active High
0x000230K 80K+Active High
0x000440K 100K+Active High
0x0000NoneActive High
0x0008Demo_SoundsActive High
0x0000OffActive High
0x0008OnActive High
0x0010DifficultyActive High
0x0010NormalActive High
0x0000DifficultActive High
0x0020Flip_ScreenActive High
0x0000OffActive High
0x0020OnActive High
0x00c0CabinetActive High
0x0000UprightActive High
0x0040Upright Two PlayersActive High
0x00c0CocktailActive High
0xC8001Device Writesoundlatch, generic_latch_8_device, write
0xC8041Writecommando_c804_w
0xC808-0xC8092Writecommando_scrollx_w
0xC80A-0xC80B2Writecommando_scrolly_w
0xD000-0xD3FF1024RAM Write, Sharedcommando_videoram2_w, videoram2
0xD400-0xD7FF1024RAM Write, Sharedcommando_colorram2_w, colorram2
0xD800-0xDBFF1024RAM Write, Sharedcommando_videoram_w, videoram
0xDC00-0xDFFF1024RAM Write, Sharedcommando_colorram_w, colorram
0xE000-0xFDFF7680RAM
0xFE00-0xFF7F384RAM, Sharedspriteram
0xFF80-0xFFFF128RAM
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x47FF2048RAM
0x60001Device Readsoundlatch, generic_latch_8_device, read
0x8000-0x80012Device Writeym1, ym2203_device, write
0x8002-0x80032Device Writeym2, ym2203_device, write
 

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
0x0000-0x3FFF16384cm02.9fCRC(f9cc4a74) (Fluke: 8E19)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384vt01.5dCRC(505726e0) (Fluke: C493)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384vt11.5aCRC(7b2e1b48) (Fluke: 6D97)
0x4000-0x7FFF16384vt12.6aCRC(81b417d3) (Fluke: 675F)
0x8000-0xBFFF16384vt13.7aCRC(5612dbd2) (Fluke: 0F0F)
0xC000-0xFFFF16384vt14.8aCRC(2b2dee36) (Fluke: 2F85)
0x10000-0x13FFF16384vt15.9aCRC(de70babf) (Fluke: 87B9)
0x14000-0x17FFF16384vt16.10aCRC(14178237) (Fluke: 72BB)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384vt05.7eCRC(79f16e3d) (Fluke: E382)
0x4000-0x7FFF16384vt06.8eCRC(26fee521) (Fluke: 075A)
0x8000-0xBFFF16384vt07.9eCRC(ca88bdfd) (Fluke: E3BB)
0xC000-0xFFFF16384vt08.7hCRC(2019c883) (Fluke: 2405)
0x10000-0x13FFF16384vt09.8hCRC(98703982) (Fluke: AD78)
0x14000-0x17FFF16384vt10.9hCRC(f069d2f8) (Fluke: C464)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768cm04.9mCRC(8438b694) (Fluke: 6C5F)
0x8000-0xBFFF16384cm03.8mCRC(35486542) (Fluke: 1D5C)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256vtb1.1dCRC(3aba15a1),red (Fluke: 73FA)
0x0100-0x01FF256vtb2.2dCRC(88865754),green (Fluke: E96C)
0x0200-0x02FF256vtb3.3dCRC(4c14c3f6),blue (Fluke: 01B2)
0x0300-0x03FF256vtb4.1hCRC(b388c246),palette selector (not used) (Fluke: 6D42)
0x0400-0x04FF256vtb5.6lCRC(712ac508),interrupt timing (not used) (Fluke: DC38)
0x0500-0x05FF256vtb6.6eCRC(0eaf5158),video timing (not used) (Fluke: E9D9)
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