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.
Memory Area:mustang_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x80000-0x800012Read PortIN0
0x80002-0x800032Read PortIN1
0x80004-0x800052Read PortDSW1
0x8000E-0x8000F2Device Read 8-bit, Write NOPnmk004, nmk004_device, read, 0x00ff,
0x80014-0x800152Writenmk_flipscreen_w
0x80016-0x800172Writenmk16_x0016_w (// frame number?)
0x8001E-0x8001F2Device Write 8-bitnmk004, nmk004_device, write, 0x00ff
0x88000-0x887FF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0x8C000-0x8C0012Writemustang_scroll_w
0x8C002-0x8C087134Write NOP(// ??)
0x90000-0x93FFF16384RAM Write, Sharednmk_bgvideoram0_w, nmk_bgvideoram0
0x9C000-0x9C7FF2048RAM Write, Sharednmk_txvideoram_w, nmk_txvideoram
0xF0000-0xFFFFF65536RAM Write, Sharednmk16_mainram_strange_w, mainram
 

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
0x0000-0x7FFF3276801.binCRC(90820499) (Fluke: 8743)
Memory Area:bgtile
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF13107207.binCRC(5f8fdfb1) (Fluke: 15FC)
0x20000-0x3FFFF13107210.binCRC(39757d6a) (Fluke: 5057)
0x40000-0x5FFFF13107208.binCRC(b3dd5243) (Fluke: 853C)
0x60000-0x7FFFF13107209.binCRC(c6c9752f) (Fluke: B2B5)
Memory Area:fgtile
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF13107206.binCRC(81ccfcad) (Fluke: 2C03)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF6553602.binCRC(f6f6c4bf) (Fluke: 3C7D)
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