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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.
The Simpsons (Konami, 1991)
Memory Area:bank0000_map
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096Device Read/Writek052109, k052109_device, read, write
0x1000-0x1FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
Memory Area:bank2000_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192Read/Writesimpsons_k052109_r, simpsons_k052109_w
0x2000-0x2FFF4096Read/Writesimpsons_k053247_r, simpsons_k053247_w
0x3000-0x3FFF4096RAM
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096Devicebank0000, address_map_bank_device, amap8
0x0000-0x1FFF8192Device Read/Writek052109, k052109_device, read, write
0x1F801Read PortCOIN
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Coin 3Active Low
0x0008Coin 4Active Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x1F811Read PortTEST
0x0010SpecialActive High
0x0020SpecialActive High
0x00ceUnknownActive Low
0x1F901Read PortP1
0x1F911Read PortP2
0x1F921Read PortP3
0x1F931Read PortP4
0x1FA0-0x1FA78Device Writek053246, k053247_device, k053246_w
0x1FB0-0x1FBF16Device Writek053251, k053251_device, write
0x1FC01Writesimpsons_coin_counter_w
0x1FC21Writesimpsons_eeprom_w
0x1FC41Readsimpsons_sound_interrupt_r
0x1FC6-0x1FC72Device Read/Writek053260, k053260_device, main_read, main_write
0x1FC8-0x1FC92Device Readk053246, k053247_device, k053246_r
0x1FCA1Device Readwatchdog, watchdog_timer_device, reset_r
0x2000-0x3FFF8192Devicebank2000, address_map_bank_device, amap8
0x4000-0x5FFF8192RAM
0x6000-0x7FFF8192ROM Bankbank1
0x8000-0xFFFF32768ROM, Regionmaincpu, 0x78000
 

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
0x0000-0x7FFF32768072-e03.6gCRC(866b7a35) (Fluke: F7DB)
0x0000-0x7FFF32768072-e03.6gCRC(866b7a35) (Fluke: F7DB)
0x0000-0x7FFF32768072-e03.6gCRC(866b7a35) (Fluke: F7DB)
Memory Area:eeprom
Address RangeLengthLabel/LocationDescription
0x0000-0x007F128simpsons.12c.nvCRC(ec3f0449)
Memory Area:k053260
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576072-d05.1fCRC(1397a73b) (Fluke: C27F)
0x0000-0xFFFFF1048576072-d05.1fCRC(1397a73b) (Fluke: C27F)
0x0000-0xFFFFF1048576072-d05.1fCRC(1397a73b) (Fluke: C27F)
0x0000-0xFFFFF1048576072-d05.1fCRC(1397a73b) (Fluke: C27F)
0x0000-0xFFFFF1048576072-d05.1fCRC(1397a73b) (Fluke: C27F)
0x0000-0xFFFFF1048576072-d05.1fCRC(1397a73b) (Fluke: C27F)
0x0000-0xFFFFF1048576072-d05.1fCRC(1397a73b) (Fluke: C27F)
0x100000-0x13FFFF262144072-d04.1dCRC(78778013) (Fluke: 8CBD)
0x100000-0x13FFFF262144072-d04.1dCRC(78778013) (Fluke: 8CBD)
0x100000-0x13FFFF262144072-d04.1dCRC(78778013) (Fluke: 8CBD)
0x100000-0x13FFFF262144072-d04.1dCRC(78778013) (Fluke: 8CBD)
0x100000-0x13FFFF262144072-d04.1dCRC(78778013) (Fluke: 8CBD)
0x100000-0x13FFFF262144072-d04.1dCRC(78778013) (Fluke: 8CBD)
0x100000-0x13FFFF262144072-d04.1dCRC(78778013) (Fluke: 8CBD)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072072-g02.16cCRC(580ce1d6) (Fluke: 6922)
0x0000-0x1FFFF131072072-g02.16cCRC(580ce1d6) (Fluke: 6922)
0x0000-0x1FFFF131072072-g02.16cCRC(580ce1d6) (Fluke: 6922)
0x0000-0x1FFFF131072072-g02.16cCRC(580ce1d6) (Fluke: 6922)
0x0000-0x1FFFF131072072-g02.16cCRC(580ce1d6) (Fluke: 6922)
0x0000-0x1FFFF131072072-g02.16cCRC(580ce1d6) (Fluke: 6922)
0x20000-0x3FFFF131072072-g01.17cCRC(9f843def) (Fluke: 99E9)
0x20000-0x3FFFF131072072-g01.17cCRC(9f843def) (Fluke: 99E9)
0x40000-0x5FFFF131072072-j13.13cCRC(aade2abd) (Fluke: BF18)
0x60000-0x7FFFF131072072-j12.15cCRC(479e12f2) (Fluke: 7276)
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