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:piggypas_io
Address RangeLengthFunctionDescription
0x00001Read PortIN2
0x0000-0x07FF2048RAM
0x08001Read PortIN1
0x08011Writectrl_w
0x08021Read PortIN0
0x10001Device Read/Writeoki, okim6295_device, read, write
0x1800-0x18012Device Writehd44780, hd44780_device, write
0x1802-0x18032Device Readhd44780, hd44780_device, read
Memory Area:piggypas_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
 

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
0x0000-0x7FFF32768hoopshot.u6CRC(fa8ae8aa)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144hoopshot.u14CRC(748462b5)
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