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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.
Argus (NMK (Jaleco license), 1986)
Memory Area:argus_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankmainbank
0xC0001Read PortSYSTEM
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020UnknownActive 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
0x0040UnknownActive Low
0x0080UnknownActive Low
0xC0021Read PortP2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick DownActive Low
0x0008Joystick UpActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xC0031Read PortDSW1
0x0001Flip_ScreenActive High
0x0001OffActive High
0x0000OnActive High
0x0006DifficultyActive High
0x0004EasyActive High
0x0006NormalActive High
0x0002Medium_DifficultActive High
0x0000DifficultActive High
0x0008Free_PlayActive High
0x0008OffActive High
0x0000OnActive High
0x0010CabinetActive High
0x0000UprightActive High
0x0010CocktailActive High
0x0020Demo_SoundsActive High
0x0020OffActive High
0x0000OnActive High
0x00c0LivesActive High
0x00802Active High
0x00c03Active High
0x00404Active High
0x00005Active High
0xC0041Read PortDSW2
0x001cCoin_BActive High
0x00005C_1CActive High
0x00044C_1CActive High
0x00083C_1CActive High
0x000c2C_1CActive High
0x001c1C_1CActive High
0x00181C_2CActive High
0x00141C_3CActive High
0x00101C_4CActive High
0x00e0Coin_AActive High
0x00005C_1CActive High
0x00204C_1CActive High
0x00403C_1CActive High
0x00602C_1CActive High
0x00e01C_1CActive High
0x00c01C_2CActive High
0x00a01C_3CActive High
0x00801C_4CActive High
0xC2001Device Writesoundlatch, generic_latch_8_device, write
0xC2011Writeflipscreen_w
0xC2021Writebankselect_w
0xC300-0xC3012RAM, Sharedbg0_scrollx
0xC302-0xC3032RAM, Sharedbg0_scrolly
0xC308-0xC3092RAM, Sharedbg1_scrollx
0xC30A-0xC30B2RAM, Sharedbg1_scrolly
0xC30C1Writeargus_bg_status_w
0xC400-0xCFFF3072RAM Write, Sharedargus_paletteram_w, paletteram
0xD000-0xD7FF2048RAM Write, Sharedtxram_w, txram
0xD800-0xDFFF2048RAM Write, Sharedbg1ram_w, bg1ram
0xE000-0xF1FF4608RAM
0xF200-0xF7FF1536RAM, Sharedspriteram
0xF800-0xFFFF2048RAM
Memory Area:sound_map_a
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM
0xC0001Device Readsoundlatch, generic_latch_8_device, read
Memory Area:sound_portmap_2
Address RangeLengthFunctionDescription
0x0000-0x00012Device Read/Writeym1, ym2203_device, read, write
0x0080-0x00812Device Read/Writeym2, ym2203_device, read, 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
0x0000-0x3FFF16384ag_01.binCRC(769e3f57) (Fluke: 509B)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768ag_09.binCRC(6dbc1c58) (Fluke: EA9C)
0x8000-0xFFFF32768ag_08.binCRC(ce6e987e) (Fluke: 289C)
0x10000-0x17FFF32768ag_07.binCRC(bbb9638d) (Fluke: E7D7)
0x18000-0x1FFFF32768ag_06.binCRC(655b48f8) (Fluke: 217D)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768ag_13.binCRC(20274268) (Fluke: 55E4)
0x8000-0xFFFF32768ag_14.binCRC(ceb8860b) (Fluke: A1E9)
0x10000-0x17FFF32768ag_11.binCRC(99ce8556) (Fluke: F4BE)
0x18000-0x1FFFF32768ag_12.binCRC(e0e5377c) (Fluke: 43C3)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768ag_17.binCRC(0f12d09b) (Fluke: 8888)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384ag_10.binCRC(2de696c4) (Fluke: 3D73)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768ag_02.binCRC(278a3f3d) (Fluke: 38D7)
0x10000-0x17FFF32768ag_03.binCRC(3a7f3bfa) (Fluke: 700E)
0x18000-0x1FFFF32768ag_04.binCRC(76adc9f6) (Fluke: D28E)
0x20000-0x27FFF32768ag_05.binCRC(f76692d6) (Fluke: 929B)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768ag_15.binCRC(99834c1b) (Fluke: F4A0)
Memory Area:user2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768ag_16.binCRC(39a51714) (Fluke: 3DFA)
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