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:peyper_io
Address RangeLengthFunctionDescription
0x0000-0x00012Device Read/Writei8279, i8279_device, read, write
0x00041Device Writeay1, ay8910_device, address_w
0x00061Device Writeay1, ay8910_device, data_w
0x00081Device Writeay2, ay8910_device, address_w
0x000A1Device Writeay2, ay8910_device, data_w
0x000C1Writesol_w
0x0010-0x00189Writelamp_w
0x00201Read PortDSW0
0x00241Read PortDSW1
0x0000NoActive High
0x0080YesActive High
0x0040SpecialActive High
0x0000NoActive High
0x0020YesActive High
0x0008OffActive High
0x0003Displays Replays and Extra BallsActive High
0x0005Displays CoinsActive High
0x0006Displays Hours and GamesActive High
0x00281Read PortSYSTEM
0x002C1Writelamp7_w
Memory Area:peyper_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0x6000-0x67FF2048RAM, Sharednvram
 

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:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192memoriaa.binCRC(1fec83fe)
0x2000-0x3FFF8192memoriab.binCRC(62a1e3ec)
0x4000-0x5FFF8192memoriac.binCRC(468f16f0)
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