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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.
Balloon Brothers (East Technology, 1992)
Memory Area:ballbros_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x400000-0x4000012Write NOP(/* 0x1 written each frame at $c56, watchdog? */)
0x500000-0x50000F16Readsuperman_dsw_input_r
0x600000-0x6000012Write NOP(/* 0x1 written each frame at $c4e, watchdog? */)
0x800000-0x8000012Read NOP, Device Write 8-bittc0140syt, tc0140syt_device, master_port_w, 0x00ff
0x800002-0x8000032Device Read/Write 8-bittc0140syt, tc0140syt_device, master_comm_r, master_comm_w, 0x00ff
0x900000-0x90000F16Read/Writedaisenpu_input_r, daisenpu_input_w
0xB00000-0xB00FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0xD00000-0xD005FF1536RAM, Device Read/Writespritegen, seta001_device, spriteylow_r16, spriteylow_w16 (// Sprites Y)
0xD00600-0xD006078RAM, Device Read/Writespritegen, seta001_device, spritectrl_r16, spritectrl_w16
0xE00000-0xE03FFF16384RAM, Device Read/Writespritegen, seta001_device, spritecode_r16, spritecode_w16 (// Sprites Code + X + Attr)
0xF00000-0xF03FFF16384RAM(/* Main RAM */)
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x7FFF16384ROM Bankz80bank
0xC000-0xDFFF8192RAM
0xE000-0xE0034Device Read/Writeymsnd, ym2610_device, read, write
0xE2001Read NOP, Device Writetc0140syt, tc0140syt_device, slave_port_w
0xE2011Device Read/Writetc0140syt, tc0140syt_device, slave_comm_r, slave_comm_w
0xE400-0xE4034Write NOP(/* pan */)
0xEA001Read NOP
0xEE001Write NOP(/* ? */)
0xF0001Write NOP(/* ? */)
0xF2001Writesound_bankswitch_w
 

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
0x0000-0xFFFF655368dCRC(d1c515af) (Fluke: 76FC)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x20000-0x3FFFF1310722CRC(bb441717) (Fluke: 07A0)
0x40000-0x5FFFF1310721CRC(8196d624) (Fluke: 59FF)
0x60000-0x7FFFF1310720CRC(1cc584e5) (Fluke: 15E8)
Memory Area:ymsnd
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288east-10CRC(ca0ac419) (Fluke: 222C)
Memory Area:ymsnd.deltat
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288east-11CRC(92111f96) (Fluke: C41C)
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