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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.
Symbols (Advanced Video Technology, 1985)
Memory Area:avt_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0x6000-0x7FFF8192RAM
0x8000-0x9FFF8192RAM(// AM_SHARE("nvram"))
0xA000-0xA7FF2048RAM Write, Sharedavt_videoram_w, videoram
0xC000-0xC7FF2048RAM Write, Sharedavt_colorram_w, colorram
Memory Area:avt_portmap
Address RangeLengthFunctionDescription
0x00021Read PortDSW1
0x00211Device Writeaysnd, ay8910_device, data_w (/* AY8910 data */)
0x00231Device Writeaysnd, ay8910_device, address_w (/* AY8910 control */)
0x00281Writeavt_6845_address_w
0x00291Read/Writeavt_6845_data_r,avt_6845_data_w
 

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
0x0000-0x1FFF8192sym.bluCRC(ee07339b)
0x0000-0x1FFF8192sym.bluCRC(ee07339b)
0x2000-0x3FFF8192sym.grnCRC(1df023ac)
0x2000-0x3FFF8192sym.grnCRC(1df023ac)
0x4000-0x5FFF8192sym.redCRC(b7688164)
0x4000-0x5FFF8192sym.redCRC(b7688164)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192avt1.41.u38CRC(af4f696a)
0x2000-0x3FFF8192avt1.42.u39CRC(eeefbed5)
0x4000-0x5FFF8192avt1.43.u40CRC(906363fa)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF512symbolsCRC(c1a2ecd9)
0x0000-0x01FF512symbolsCRC(c1a2ecd9)
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