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.
Memory Area:master_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xDCFF7424RAM, Sharedvideoram
0xDD00-0xDFFF768RAM, Sharedobjectram
0xE000-0xF7FF6144RAM, Sharedshare1
0xF800-0xF9FF512RAM Device Write, Sharedpalette, palette_device, write, palette
0xFA001Writebublbobl_sound_command_w
0xFA031Write NOP(// sound cpu reset)
0xFA801Write NOP
0xFB401Writebublbobl_bankswitch_w
0xFC00-0xFCFF256RAM
0xFD00-0xFDFF256RAM(// ???)
0xFE00-0xFE034RAM(// ???)
0xFE80-0xFE834RAM(// ???)
0xFF001Read PortDSW1
0x0000EnglishActive High
0x0001JapaneseActive High
0x0002OffActive High
0x0000OnActive High
0x0000OffActive High
0x0008OnActive High
0x00102C_1CActive High
0x00301C_1CActive High
0x00002C_3CActive High
0x00201C_2CActive High
0x00402C_1CActive High
0x00c01C_1CActive High
0x00002C_3CActive High
0x00801C_2CActive High
0xFF011Read PortDSW2
0x0002EasyActive High
0x0003MediumActive High
0x0001HardActive High
0x0000HardestActive High
0x000820K 80KActive High
0x000c30K 100KActive High
0x000440K 200KActive High
0x000050K 250KActive High
0x00101Active High
0x00002Active High
0x00303Active High
0x00205Active High
0x0000NormalActive High
0x0040MediumActive High
0x0080HighActive High
0x00c0Very_HighActive High
0xFF021Read PortP1
0x0001Joystick LeftActive Low
0x0002Joystick RightActive Low
0x0004Coin 2Active Low
0x0008Coin 1Active Low
0x0010Button 2Active Low
0x0020Button 1Active Low
0x0040Start 1Active Low
0x0080UnknownActive Low
0xFF031Read PortP2
0x0001Joystick LeftActive Low
0x0002Joystick RightActive Low
0x0004TiltActive Low
0x0008Service 1Active Low
0x0010Button 2Active Low
0x0020Button 1Active Low
0x0040Start 2Active Low
0x0080UnknownActive Low
0xFF941Write NOP(// ???)
0xFF981Write NOP(// ???)
Memory Area:slave_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x9000-0x9FFF4096ROM Bankbank2 (// ROM data for the background palette ram)
0xA000-0xAFFF4096ROM Bankbank3 (// ROM data for the background palette ram)
0xB000-0xB1FF512ROM(// banked ???)
0xC000-0xC1FF512RAM Device Write, Sharedbgpalette, palette_device, write, bgpalette
0xC800-0xCFFF2048RAM(// main ???)
0xD0001Writemissb2_bg_bank_w
0xD0021Write NOP
0xD0031RAM, Sharedbgvram
0xE000-0xF7FF6144RAM, Sharedshare1
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x8FFF4096RAM
0x90001Device Read/Writeoki, okim6295_device, read, write
0xA000-0xA0012Device Read/Writeymsnd, ym3526_device, read, write
0xB0001Device Read, Write NOPsoundlatch, generic_latch_8_device, read, (// message for main cpu)
0xB0011Read NOP, Writebublbobl_sh_nmi_enable_w (// bit 0: message pending for main cpu, bit 1: message pending for sound cpu)
0xB0021Writebublbobl_sh_nmi_disable_w
0xE000-0xEFFF4096ROM(// space for diagnostic 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
0x0000-0x7FFF32768msbub2-u.211CRC(08e5d846) (Fluke: 83A5)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144msbub2-u.14CRC(b3164b47) (Fluke: 0D0E)
0x40000-0x7FFFF262144msbub2-u.126CRC(b0a9a353) (Fluke: 3B62)
0x80000-0xBFFFF262144msbub2-u.124CRC(4b0d8e5b) (Fluke: 2BE9)
0xC0000-0xFFFFF262144msbub2-u.125CRC(77b710e2) (Fluke: DA65)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536msbub2-u.204CRC(b633bdde),FIRST AND SECOND HALF IDENTICAL (Fluke: F22F)
0x10000-0x1FFFF65536msbub2-u.203CRC(29fd8afe) (Fluke: 0DF5)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072msbub2-u.13BAD_DUMP CRC(14f07386) (Fluke: 8915)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256a71-25.binCRC(2d0f8545),video timing - taken from bublbobl (Fluke: D181)
Memory Area:slave
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536msbub2-u.11CRC(003dc092) (Fluke: AEDB)
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