Search

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.
Egg Hunt (Invi Image, 1995)
Memory Area:egghunt_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0xC000-0xC7FF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0xC800-0xCFFF2048RAM Write, Sharedegghunt_atram_w, atram
0xD000-0xDFFF4096Read/Writeegghunt_bgram_r, egghunt_bgram_w
0xE000-0xFFFF8192RAM
Memory Area:io_map
Address RangeLengthFunctionDescription
0x00001Read Port, WriteDSW1, egghunt_vidram_bank_w
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x00601Active High
0x00202Active High
0x00402Active High
0x00003Active High
0x0080OffActive High
0x0000OnActive High
0x00011Read Port, WriteSYSTEM, egghunt_gfx_banking_w
0x0001UnknownActive Low
0x0002Start 2Active Low
0x0004UnknownActive Low
0x0008Start 1Active Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080Coin 1Active Low
0x00021Read PortP1
0x0001UnknownActive Low
0x0002UnknownActive Low
0x0004Button 2Active Low
0x0008Button 1Active Low
0x0010Joystick RightActive Low
0x0020Joystick LeftActive Low
0x0040Joystick DownActive Low
0x0080Joystick UpActive Low
0x00031Read Port, WriteP2, egghunt_soundlatch_w
0x0001UnknownActive Low
0x0002UnknownActive Low
0x0004Button 2Active Low
0x0008Button 1Active Low
0x0010Joystick RightActive Low
0x0020Joystick LeftActive Low
0x0040Joystick DownActive Low
0x0080Joystick UpActive Low
0x00041Read PortDSW2
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0000NoActive High
0x0080YesActive High
0x00061Read Port, Write NOPUNK,
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x00071Write NOP
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0xE0001Device Readsoundlatch, generic_latch_8_device, read
0xE0011Read/Writeegghunt_okibanking_r, egghunt_okibanking_w
0xE0041Device Read/Writeoki, okim6295_device, read, write
0xF000-0xFFFF4096RAM
 

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
0x0000-0xFFFF65536rom2.binCRC(88a71bc3) (Fluke: 1921)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144rom3.binCRC(9d51ac49) (Fluke: 9DA2)
0x40000-0x7FFFF262144rom4.binCRC(41c63041) (Fluke: D6D0)
0x80000-0xBFFFF262144rom5.binCRC(6f96cb97) (Fluke: F732)
0xC0000-0xFFFFF262144rom6.binCRC(b5a41d4b) (Fluke: D0E0)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072rom7.binCRC(1b43fb57) (Fluke: F432)
0x20000-0x3FFFF131072rom8.binCRC(f8122d0d) (Fluke: A544)
0x40000-0x5FFFF131072rom9.binCRC(dbfa0ffe) (Fluke: 1A43)
0x60000-0x7FFFF131072rom10.binCRC(14f5fc74) (Fluke: 6349)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072prg.binCRC(eb647145) (Fluke: 1AE6)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288rom1.binCRC(f03589bc) (Fluke: CE04)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3