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:uballoon_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM(// ROM)
0x200000-0x2001FF512Read/Writepaletteram_r, paletteram_w (// Banked Palette)
0x200200-0x200FFF3584RAM(//)
0x400000-0x41FFFF131072Mirror, RAM, Shared0x1e0000, , spriteram (// Sprites)
0x600000-0x6000012Read Port, WriteP1, soundlatch_w (// To Sound CPU)
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x0100UnknownActive Low
0x0200UnknownActive Low
0x0400UnknownActive Low
0x0800UnknownActive Low
0x1000Service 1Active Low
0x2000UnknownActive Low
0x4000Start 1Active Low
0x8000Coin 1Active Low
0x600002-0x6000032Read PortP2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x0100UnknownActive Low
0x0200UnknownActive Low
0x0400UnknownActive Low
0x0800UnknownActive Low
0x3000Distributer UnicoActive High
0x2000All Rights ReservedActive High
0x1000Distributer UnicoActive High
0x0000All Rights ReservedActive High
0x4000Start 2Active Low
0x8000Coin 2Active Low
0x600004-0x6000052Read Port, WriteDSW1, flipscreen_w (// Flip Screen)
0x0007CoinageActive High
0x00005C_1CActive High
0x00014C_1CActive High
0x00023C_1CActive High
0x00032C_1CActive High
0x00071C_1CActive High
0x00061C_2CActive High
0x00051C_3CActive High
0x00041C_4CActive High
0x0018LivesActive High
0x00102Active High
0x00183Active High
0x00084Active High
0x00005Active High
0x0060DifficultyActive High
0x0040EasyActive High
0x0060NormalActive High
0x0020HardActive High
0x0000HardestActive High
0x600006-0x6000072Read PortDSW2
0x0001Flip_ScreenActive High
0x0001OffActive High
0x0000OnActive High
0x0002CabinetActive High
0x0002UprightActive High
0x0000CocktailActive High
0x001cBonus_LifeActive High
0x001c200KActive High
0x0010300K, 1000KActive High
0x0018400KActive High
0x000c500K, 1500KActive High
0x0008500K, 2000KActive High
0x0004500K, 3000KActive High
0x0014600KActive High
0x0000NoneActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080Demo_SoundsActive High
0x0080OffActive High
0x0000OnActive High
0x600008-0x6000092Writeuballoon_leds_w (// Leds)
0x60000C-0x60000D2Write NOP(// ? IRQ 1 Ack)
0x600010-0x6000112Write NOP(// ? IRQ 1 Ack)
0x800000-0x803FFF16384RAM(// RAM)
0xA00000-0xA0FFFF65536Read/Write 8-bituballoon_prot_r, uballoon_prot_w, 0x00ff (// Protection)
Memory Area:uballoon_pcm_1_io_map
Address RangeLengthFunctionDescription
0x00001Device Writeldac, dac_byte_interface, write
0x00001Device Readsoundlatch2, generic_latch_8_device, read (// From The Sound Z80)
0x00011Device Writerdac, dac_byte_interface, write
0x00031Writeuballoon_pcm_1_bankswitch_w (// Rom Bank)
Memory Area:uballoon_pcm_1_map
Address RangeLengthFunctionDescription
0x0000-0x03FF1024ROM(// ROM)
0x0400-0xFFFF64512ROM Bankbank1 (// Banked ROM)
Memory Area:uballoon_sound_map
Address RangeLengthFunctionDescription
0x0000-0xEFFF61440ROM(// ROM)
0xF000-0xF7FF2048RAM(// RAM)
0xF800-0xF8012Device Read/Writeymsnd, ym2151_device, read, write (// YM2151)
0xFC001Device Read, Device Writesoundlatch, generic_latch_8_device, read, soundlatch2, generic_latch_8_device, write (// To PCM Z80)
 

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
0x0000-0xFFFF65536audio1.rom7CRC(c771f2b4) (Fluke: BC8D)
Memory Area:pcm1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072audio2.rom8CRC(c7f75347) (Fluke: B00F)
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