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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.
Sky Army (Shoei, 1982)
Memory Area:skyarmy_io_map
Address RangeLengthFunctionDescription
0x0004-0x00052Device Writeaysnd, ay8910_device, address_data_w
0x00061Device Readaysnd, ay8910_device, data_r
Memory Area:skyarmy_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM
0x8800-0x8FFF2048RAM Write, Sharedvideoram_w, videoram (/* Video RAM */)
0x9000-0x93FF1024RAM Write, Sharedcolorram_w, colorram (/* Color RAM */)
0x9800-0x983F64RAM, Sharedspriteram (/* Sprites */)
0x9840-0x985F32RAM, Sharedscrollram (/* Scroll RAM */)
0xA0001Read PortDSW
0x00002Active High
0x00013Active High
0x00024Active High
0x000010000Active High
0x000420000Active High
0x000830000Active High
0x000c40000Active High
0x00303C_1CActive High
0x00202C_1CActive High
0x00001C_1CActive High
0x00101C_2CActive High
0x0000OffActive High
0x0040OnActive High
0x0080UprightActive High
0x0000CocktailActive High
0xA0011Read PortP1
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0004Joystick LeftActive High
0x0008Joystick RightActive High
0x0010Button 1Active High
0x0020Button 2Active High
0x0040UnusedActive High
0x0080UnusedActive High
0xA0021Read PortP2
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0004Joystick LeftActive High
0x0008Joystick RightActive High
0x0010Button 1Active High
0x0020Button 2Active High
0x0040UnusedActive High
0x0080UnusedActive High
0xA0031Read PortSYSTEM
0x0001Coin 1Active High
0x0002Start 1Active High
0x0004Start 2Active High
0x0008UnusedActive High
0x0010UnusedActive High
0x0020UnusedActive High
0x0040UnusedActive High
0x0080UnusedActive High
0xA0041Writenmi_enable_w (// ???)
0xA0051Writeflip_screen_x_w
0xA0061Writeflip_screen_y_w
0xA0071Write NOP
 

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:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF204813b.binCRC(3b0e0f7c) (Fluke: 95A2)
0x0800-0x0FFF204815b.binCRC(5ccfd782) (Fluke: 6A13)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF20488b.binCRC(6ac6bd98) (Fluke: 503F)
0x0800-0x0FFF204810b.binCRC(cada7682) (Fluke: 76B1)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192a1h.binCRC(e3fb9d70) (Fluke: 1B7A)
0x2000-0x3FFF8192a2h.binCRC(0417653e) (Fluke: FCB7)
0x4000-0x5FFF8192a3h.binCRC(95485e56) (Fluke: 8D32)
0x6000-0x7FFF8192j4.binCRC(843783df) (Fluke: A2B7)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32a6.binCRC(c721220b) (Fluke: 58B7)
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