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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.
Last Bank (Excellent System, 1994)
Memory Area:lastbank_audio_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xDFFF8192RAM
0xE000-0xE7FF2048RAM, Sharedshare1
Memory Area:lastbank_map
Address RangeLengthFunctionDescription
0xA000-0xA7FF2048RAM, Sharedshare1
0xA8001Read Port, Write NOPCOINS,
0x0001Gamble KeyoutActive Low
0x0002Gamble PayoutActive Low
0x0008BookkeepingActive Low
0x0010Coin 3Active Low
0x0020Coin 2Active Low
0x0040Gamble KeyinActive Low
0x0080Coin 1Active Low
0xA8011Write NOP
0xA8021Write NOP
0xA8031Writemux_w (// mux for $a808 / $a80c)
0xA8041Read PortVBLANK
0x0001ResetActive Low
0x0002ServiceActive Low
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0070UnknownActive Low
0x0080CustomActive High
0xA8051Write NOP
0xA8061Write NOP
0xA8071Write NOP
0xA8081Readmux_0_r
0xA80C1Readmux_0_r
0xA81C1Read PortDSW0
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
0xA81D1Read PortDSW1
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
0xA81E1Read 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
0xA81F1Read PortDSW3
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
 

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
0x0000-0xFFFF655368.u48CRC(3a7bfe10)
Memory Area:essnd
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF2621446.u55CRC(9e78e234)
0x40000-0xBFFFF5242887.u60CRC(41be7146)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576u11CRC(2588d82d)
0x100000-0x11FFFF1310725.u10CRC(51f3c5a7)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF2621443.u9CRC(f430e1f0)
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