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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.
Gumbo (Min Corp., 1994)
Memory Area:gumbo_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x80000-0x83FFF16384RAM(// main ram)
0x1B0000-0x1B03FF1024RAM Device Write, Sharedpalette, palette_device, write, palette
0x1C0100-0x1C01012Read PortP1_P2
0x0001Coin 1Active Low
0x0002UnknownActive Low
0x0004Button 1Active Low
0x0008Button 2Active Low
0x0010Joystick UpActive Low
0x0020Joystick DownActive Low
0x0040Joystick LeftActive Low
0x0080Joystick RightActive Low
0x0100UnknownActive Low
0x0200UnknownActive Low
0x0400Button 1Active Low
0x0800Button 2Active Low
0x1000Joystick UpActive Low
0x2000Joystick DownActive Low
0x4000Joystick LeftActive Low
0x8000Joystick RightActive Low
0x1C0200-0x1C02012Read PortDSW
0x00ffUnusedActive Low
0x0300CoinageActive High
0x00003C_1CActive High
0x01002C_1CActive High
0x03001C_1CActive High
0x02001C_2CActive High
0x00000Active High
0x04001Active High
0x0800NormalActive High
0x0000HighActive High
0x3000DifficultyActive High
0x2000EasyActive High
0x3000NormalActive High
0x1000HardActive High
0x0000HardestActive High
0x4000OffActive High
0x0000OnActive High
0x1C0300-0x1C03012Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0x1E0000-0x1E0FFF4096RAM Write, Sharedgumbo_bg_videoram_w, bg_videoram (// bg tilemap)
0x1F0000-0x1F3FFF16384RAM Write, Sharedgumbo_fg_videoram_w, fg_videoram (// fg tilemap)
 

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:gfx1
Address RangeLengthLabel/LocationDescription
0x80000-0xFFFFF524288u420.binCRC(de1f0e2f) (Fluke: 9DE8)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072u512.binCRC(97741798) (Fluke: 2A4E)
0x20000-0x3FFFF131072u511.binCRC(1411451b) (Fluke: 2B34)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144u210.binCRC(16fbe06b) (Fluke: 9AC1)
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