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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.
Rumba Lumber (Taito, 1984)
Memory Area:rumba_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xC7FF2048RAM Write, Sharedflstory_videoram_w, videoram
0xD0001Read/Writerumba_mcu_r, rumba_mcu_w
0xD0011Write NOP(/* watchdog? */)
0xD4001Read/Writefrom_snd_r, sound_command_w
0xD4011Readsnd_flag_r
0xD8001Read PortDSW0
0x000020000 50000Active High
0x000110000 60000Active High
0x000210000 40000Active High
0x000310000 20000Active High
0x0004OffActive High
0x0000OnActive High
0x00183Active High
0x00104Active High
0x00085Active High
0x00006Active High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0000UprightActive High
0x0080CocktailActive High
0xD8011Read PortDSW1
0x000f9C_1CActive High
0x000e8C_1CActive High
0x000d7C_1CActive High
0x000c6C_1CActive High
0x000b5C_1CActive High
0x000a4C_1CActive High
0x00093C_1CActive High
0x00082C_1CActive High
0x00001C_1CActive High
0x00011C_2CActive High
0x00021C_3CActive High
0x00031C_4CActive High
0x00041C_5CActive High
0x00051C_6CActive High
0x00061C_7CActive High
0x00071C_8CActive High
0x00f09C_1CActive High
0x00e08C_1CActive High
0x00d07C_1CActive High
0x00c06C_1CActive High
0x00b05C_1CActive High
0x00a04C_1CActive High
0x00903C_1CActive High
0x00802C_1CActive High
0x00001C_1CActive High
0x00101C_2CActive High
0x00201C_3CActive High
0x00301C_4CActive High
0x00401C_5CActive High
0x00501C_6CActive High
0x00601C_7CActive High
0x00701C_8CActive High
0xD8021Read PortDSW2
0x0000OffActive High
0x0001OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004JapaneseActive High
0x0000EnglishActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020Taito Corp. MCMLXXXIVActive High
0x0000Taito CorporationActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0xD8031Read PortSYSTEM
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0004Service 1Active Low
0x0008TiltActive Low
0x0010Coin 1Active High
0x0020Coin 2Active High
0x0040UnknownActive Low
0x0080UnknownActive Low
0xD8041Read PortP1
0x0001Button 1Active Low
0x0002Button 2Active Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Joystick DownActive Low
0x0020Joystick UpActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xD8051Read PortEXTRA_P1 (/* also mcu */)
0x0003SpecialActive High
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xD8061Read PortP2
0x0001Button 1Active Low
0x0002Button 2Active Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Joystick DownActive Low
0x0020Joystick UpActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xD8071Read PortEXTRA_P2
0x0001UnknownActive Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xDC00-0xDC9F160RAM, Sharedspriteram
0xDCA0-0xDCBF32RAM Write, Sharedflstory_scrlram_w, scrlram
0xDCE01Read/Writevictnine_gfxctrl_r, victnine_gfxctrl_w
0xDD00-0xDEFF512Read/Writeflstory_palette_r, flstory_palette_w
0xE000-0xE7FF2048RAM, Sharedworkram (/* work RAM */)
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xC7FF2048RAM
0xC800-0xC8012Device Writeaysnd, ay8910_device, address_data_w
0xCA00-0xCA0D14Device Writemsm, msm5232_device, write
0xCC001Writesound_control_0_w
0xCE001Writesound_control_1_w
0xD8001Device Read, Writesoundlatch, generic_latch_8_device, read, to_main_w
0xDA001Read NOP, Writenmi_enable_w (/* unknown read*/)
0xDC001Writenmi_disable_w
0xDE001Read NOP, Device Writedac, dac_byte_interface, write (/* signed 8-bit DAC & unknown read */)
0xE000-0xEFFF4096ROM(/* space for diagnostics ROM */)
 

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
0x0000-0x1FFF8192a23_08-1.binCRC(a18eae00)
0x2000-0x3FFF8192a23_09.binCRC(d0a101d3)
0x4000-0x5FFF8192a23_10.binCRC(f9447bd4)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192a23_06.binCRC(bf1e3a7f)
0x2000-0x3FFF8192a23_07.binCRC(c98fbea6)
0x4000-0x5FFF8192a23_04.binCRC(1d4f001f)
0x6000-0x7FFF8192a23_05.binCRC(b40db231)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384a23_01-1.binCRC(4bea6e18)
0x4000-0x7FFF16384a23_02-1.binCRC(08f98c6f)
0x8000-0xBFFF16384a23_03-1.binCRC(ab595427)
Memory Area:mcu
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048a23-11.mc68705p5s
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