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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.
Aristocrat (Williams, 1978)
Memory Area:s4_audio_map
Address RangeLengthFunctionDescription
0x0000-0x00FF256RAM
0x0400-0x04034Device Read/Writepias, pia6821_device, read, write (// sounds)
0x0800-0x0FFF2048ROM, Regionaudioroms, 0
Memory Area:s4_main_map
Address RangeLengthFunctionDescription
0x0000-0x00FF256RAM
0x0100-0x01FF256RAM, Sharednvram
0x2200-0x22034Device Read/Writepia22, pia6821_device, read, write (// solenoids)
0x2400-0x24034Device Read/Writepia24, pia6821_device, read, write (// lamps)
0x2800-0x28034Device Read/Writepia28, pia6821_device, read, write (// display)
0x3000-0x30034Device Read/Writepia30, pia6821_device, read, write (// inputs)
0x6000-0x7FFF8192ROM, Regionroms, 0
 

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:audioroms
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048soundx.716CRC(539d64fb)
Memory Area:roms
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048gamerom.716CRC(0f069ac2)
0x1000-0x17FF2048b_ic20.716CRC(c6f8e3b1)
0x1800-0x1FFF2048b_ic17.716CRC(cfc2518a)
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