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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.
Monsters World (bootleg (TCH), 1994)
Memory Area:mitchell_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xC7FF2048Read/Writepang_paletteram_r,pang_paletteram_w (/* Banked palette RAM */)
0xC800-0xCFFF2048Read/Write, Sharedpang_colorram_r,pang_colorram_w, colorram (/* Attribute RAM */)
0xD000-0xDFFF4096Read/Write, Sharedpang_videoram_r,pang_videoram_w, videoram (/* Banked char / OBJ RAM */)
0xE000-0xFFFF8192RAM, Sharedram (/* Work RAM */)
Memory Area:mstworld_io_map
Address RangeLengthFunctionDescription
0x00001Read Port, WriteIN0, mstworld_gfxctrl_w (/* Palette bank, layer enable, coin counters, more */)
0x0001UnknownActive Low
0x0002Start 2Active Low
0x0004UnknownActive Low
0x0008Start 1Active Low
0x0010UnknownActive Low
0x0020Coin 2Active Low
0x0040Service 1Active Low
0x0080Coin 1Active Low
0x00011Read PortIN1
0x0001UnusedActive High
0x0002Button 3Active Low
0x0004Button 2Active Low
0x0008Button 1Active Low
0x0010Joystick RightActive Low
0x0020Joystick LeftActive Low
0x0040Joystick DownActive Low
0x0080Joystick UpActive Low
0x00021Read Port, WriteIN2, pang_bankswitch_w (/* Code bank register */)
0x0001UnknownActive High
0x0002Button 3Active Low
0x0004Button 2Active Low
0x0008Button 1Active Low
0x0010Joystick RightActive Low
0x0020Joystick LeftActive Low
0x0040Joystick DownActive Low
0x0080Joystick UpActive Low
0x00031Read Port, WriteDSW0, mstworld_sound_w (/* write to sound cpu */)
0x0003A 1Coin 4Credits / B 1Coin 4CreditsActive High
0x0002A 1Coin 3Credits / B 1Coin 3CreditsActive High
0x0001A 1Coin 2Credits / B 1Coin 2CreditsActive High
0x0000A 1Coin 1Credit / B 1Coin 4CredistsActive High
0x0004A 2Coins 1Credit / B 1Coin 2CreditsActive High
0x0005A 2Coins 1Credit / B 1Coin 3CreditsActive High
0x0006A 3Coins 1Credit / B 1Coin 2CreditsActive High
0x0007A 4Coins 1Credit / B 1Coin 1CreditActive High
0x00001Active High
0x00082Active High
0x00103Active High
0x00184Active High
0x0000EasyActive High
0x0020NormalActive High
0x0040HardActive High
0x0060HardestActive High
0x0000OffActive High
0x0080OnActive High
0x00041Read PortDSW1 (/* dips? */)
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
0x00051Read PortSYS0 (/* special? */)
0x0001UnknownActive Low
0x0004UnknownActive Low
0x0008CustomActive Low
0x0070UnknownActive Low
0x0080UnknownActive Low
0x00061Write NOP(/* watchdog? irq ack? */)
0x00061Read PortDSW2 (/* dips? */)
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
0x00071Writemstworld_video_bank_w (/* Video RAM bank register */)
Memory Area:mstworld_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM
0x90001Writeoki_banking_w
0x98001Device Read/Writeoki, okim6295_device, read, write
0xA0001Device Readsoundlatch, generic_latch_8_device, read
 

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
0x0000-0x7FFF32768mw-2.romCRC(12c4fea9) (Fluke: A054)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072mw-4.romCRC(28a3af15) (Fluke: 5F75)
0x20000-0x3FFFF131072mw-5.romCRC(ffdf7e9f) (Fluke: 3444)
0x40000-0x5FFFF131072mw-6.romCRC(1ed773a3) (Fluke: 651C)
0x60000-0x7FFFF131072mw-7.romCRC(8eb7525c) (Fluke: 18F3)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072mw-8.romCRC(b9b92a3c) (Fluke: 2D45)
0x20000-0x3FFFF131072mw-9.romCRC(75fc3375) (Fluke: 5067)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288mw-1.romCRC(c4e51fb4),fixed code (Fluke: EF3A)
Memory Area:user2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288mw-3.romCRC(110c6a68) (Fluke: 287A)
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