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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.
Mega Phoenix (Dinamic / Inder, 1991)
Memory Area:megaphx_68k_map
Address RangeLengthFunctionDescription
0x0000-0x13FF5120RAM, Sharedmainram (// maps over part of the rom??)
0x0000-0x3FFFF262144ROM, Regionroms67, 0x00000 (// or the rom doesn't map here? it contains the service mode grid amongst other things..)
0x40000-0x400078Device Read/Writeinder_vid:tms, tms34010_device, host_r, host_w
0x50000-0x500012Device Writeinder_sb, inder_sb_device, megaphx_0x050000_w
0x50002-0x500032Device Readinder_sb, inder_sb_device, megaphx_0x050002_r
0x60000-0x600034Device Read/Write 8-bitppi8255_0, i8255_device, read, write, 0x00ff
0x0001Button 2Active Low
0x0002Coin 1Active Low
0x0004Button 3Active Low
0x0008Joystick UpActive Low
0x0010Joystick DownActive Low
0x0020Joystick LeftActive Low
0x0040Joystick RightActive Low
0x0080Button 1Active Low
0x60004-0x600052Read 8-bitport_c_r, 0x00ff
0x60006-0x600072Write 8-bitport_c_w, 0x00ff
0x800000-0x83FFFF262144ROM, Regionroms01, 0x00000 (// code + bg gfx are in here)
0x840000-0x87FFFF262144ROM, Regionroms23, 0x00000 (// bg gfx are in here)
0x880000-0x8BFFFF262144ROM, Regionroms45, 0x00000 (// bg gfx + title screen in here)
 

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:inder_sb:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192sonido_mph0.u35CRC(abc1b140)
Memory Area:inder_sb:user2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072sonido_mph1.u39CRC(f5e65557)
0x20000-0x3FFFF131072sonido_mph2.u38CRC(7444d0f9)
Memory Area:pals
Address RangeLengthLabel/LocationDescription
0x0000-0x0BD33028p40_u29_palce16v8h-25.jedCRC(44b7e51c)
0x0000-0x0BD33028p31_u31_palce16v8h-25.jedCRC(05ef04b7)
Memory Area:pic
Address RangeLengthLabel/LocationDescription
0x0000-0x042F1072pic16c54-xt.binCRC(21f396fb)
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