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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.
Tetris Fighters (Sego, 2001)
Memory Area:ssfindo_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM
0x3012E60-0x3012E678Read/Write NOP
0x3012FE0-0x3012FE34Writedebug_w
0x3012FF0-0x3012FF34Read/Write NOP
0x3012FF4-0x3012FF74Write NOP, Readff4_r (//status flag ?)
0x3012FF8-0x3012FFF8Read/Write NOP
0x3200000-0x32001FF512Read/WritePS7500_IO_r,PS7500_IO_w
0x3240000-0x32400034Read Port, Write NOPIN0,
0x0001Start 1Active Low
0x0002Joystick UpActive Low
0x0004Joystick DownActive Low
0x0008Joystick LeftActive Low
0x0010Joystick RightActive Low
0x0020Button 1Active Low
0x0040Button 2Active Low
0x0080Button 3Active Low
0x3241000-0x32410034Read Port, Write NOPIN1,
0x3242000-0x32420034Read, Writeio_r, io_w
0x3243000-0x32430034Read Port, Write NOPDSW,
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
0x3245000-0x32450034Write NOP(/* sound ? */)
0x324F000-0x324F0034ReadSIMPLEIO_r
0x3400000-0x34000034WriteFIFO_w
0x10000000-0x11FFFFFF33554432RAM, Sharedvram
Memory Area:tetfight_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFFF2097152ROM
0x3200000-0x32001FF512Read/WritePS7500_IO_r,PS7500_IO_w
0x3240000-0x32400034Read PortDSW
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
0x3240004-0x32400074Read PortIN0
0x0001Start 1Active Low
0x0002Joystick UpActive Low
0x0004Joystick DownActive Low
0x0008Joystick LeftActive Low
0x0010Joystick RightActive Low
0x0020Button 1Active Low
0x0040Button 2Active Low
0x0080Button 3Active Low
0x3240008-0x324000B4Read 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
0x0080OffActive High
0x0000OnActive High
0x3240020-0x32400234Read/Writetetfight_unk_r, tetfight_unk_w
0x3400000-0x34000034WriteFIFO_w
0x10000000-0x14FFFFFF83886080RAM, Sharedvram
 

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:eeprom
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256u1CRC(dd207b40)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152u42CRC(9101c4d2)
Memory Area:user4
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536u12CRC(49976f7b) (Fluke: 9288)
Memory Area:user6
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288u11CRC(073050f6)
0x80000-0xFFFFF524288u15CRC(477f8089)
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