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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.
Bubble 2000 (Afega (Tuning license), 1998)
Memory Area:afega
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x80000-0x800012Read PortIN0 (// Buttons)
0x80000-0x8001D30Write Only(//)
0x80002-0x800032Read PortIN1 (// P1 + P2)
0x80004-0x800052Read PortDSW1 (// 2 x DSW)
0x0001UnusedActive High
0x0001OffActive High
0x0000OnActive High
0x0002UnusedActive High
0x0002OffActive High
0x0000OnActive High
0x000cDifficultyActive High
0x0008EasyActive High
0x000cNormalActive High
0x0004HardActive High
0x0000HardestActive High
0x0010UnusedActive High
0x0010OffActive High
0x0000OnActive High
0x0020UnusedActive High
0x0020OffActive High
0x0000OnActive High
0x0080500kActive High
0x00c0800kActive High
0x00401000kActive High
0x00001500kActive High
0x0100UnusedActive High
0x0100OffActive High
0x0000OnActive High
0x0200Demo_SoundsActive High
0x0000OffActive High
0x0200OnActive High
0x1c00Coin_BActive High
0x10004C_1CActive High
0x08003C_1CActive High
0x18002C_1CActive High
0x1c001C_1CActive High
0x0c001C_2CActive High
0x14001C_3CActive High
0x04001C_4CActive High
0x0000DisabledActive High
0xe000Coin_AActive High
0x80004C_1CActive High
0x40003C_1CActive High
0xc0002C_1CActive High
0xe0001C_1CActive High
0x60001C_2CActive High
0xa0001C_3CActive High
0x20001C_4CActive High
0x0000DisabledActive High
0x80012-0x800132Readafega_unknown_r
0x8001E-0x8001F2Writeafega_soundlatch_w (// To Sound CPU)
0x80020-0x87FFF32736Write Only(//)
0x88600-0x8BFFF14848Write Only(//)
0x8C008-0x8FFFF16376Write Only(//)
0xC0000-0xCFFFF65536RAM Write, Sharednmk16_mainram_strange_w, mainram
0xF0000-0xFFFFF65536RAM Write, Sharednmk16_mainram_strange_w, mainram
Memory Area:afega_sound_cpu
Address RangeLengthFunctionDescription
0x0000-0xEFFF61440ROM
0x00031Write NOP(// bug in sound prg?)
0x00041Write NOP(// bug in sound prg?)
0xF000-0xF7FF2048RAM(// RAM)
0xF8001Device Readsoundlatch, generic_latch_8_device, read (// From Main CPU)
0xF808-0xF8092Device Read/Writeymsnd, ym2151_device, read, write (// YM2151)
0xF80A1Device Read/Writeoki1, okim6295_device, read, write (// M6295)
 

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
0x0000-0xFFFF65536rom03.4CRC(f4c15588) (Fluke: D6FD)
0x0000-0x7FFFF524288rom06.6CRC(ac1aabf5) (Fluke: EAB2)
0x0000-0xFFFF65536rom01.92CRC(5d8cf28e),same as the other games on this driver (Fluke: E817)
0x80000-0xFFFFF524288rom07.9CRC(69aff769) (Fluke: 60B5)
0x100000-0x17FFFF524288rom13.7CRC(3a5b7226) (Fluke: 0914)
0x180000-0x1FFFFF524288rom04.1CRC(46acd054) (Fluke: C3D1)
0x200000-0x27FFFF524288rom05.3CRC(37deb6a1) (Fluke: EF47)
0x280000-0x2FFFFF524288rom12.2CRC(1fdc59dd) (Fluke: 3E2D)
Memory Area:oki1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144rom02.95CRC(859a86e5) (Fluke: 27DD)
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