Memory Area:user2
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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.
Boong-Ga Boong-Ga (Taff System, 2001)
Memory Area:boonggab_io
Address RangeLengthFunctionDescription
0x00C0-0x00C34Readeeprom_r
0x0200-0x02034Read/Write NOP(// seems unused)
0x0300-0x03034Writeflipscreen_w
0x0400-0x04034Read PortSYSTEM
0x0001Coin 1Active Low
0x0002Service 1Active Low
0x0004Coin 2Active Low
0x0008ServiceActive Low
0x0020UnknownActive Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0xff00UnknownActive Low
0x0404-0x04074Read PortP1_P2
0x0001Start 1Active Low
0x0002UnusedActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010UnusedActive Low
0x0020UnusedActive Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0x0100SpecialActive Low
0x0200SpecialActive Low
0x0400SpecialActive Low
0x3800SpecialActive Low
0x4000UnusedActive Low
0x8000UnusedActive Low
0x0408-0x040B4Writeeeprom_w
0x0410-0x04134Writeboonggab_prize_w
0x0414-0x041B8Writeboonggab_lamps_w
0x0600-0x06034Writeboonggab_oki_bank_w
0x0700-0x07012Read/Write NOP(// return 0, when oki chip is read / written)
0x0702-0x07032Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0x0740-0x07434Device Write 8-bitymsnd, ym2151_device, register_w, 0x00ff
0x0744-0x07474Device Read/Write 8-bitymsnd, ym2151_device, status_r, data_w, 0x00ff
Memory Area:common_map
Address RangeLengthFunctionDescription
0x0000-0x1FFFFF2097152RAM, Sharedwram
0x40000000-0x4003FFFF262144RAM, Sharedtiles
0x80000000-0x8000FFFF65536RAM Device Write, Sharedpalette, palette_device, write, palette
0xFFF00000-0xFFFFFFFF1048576ROM, Regionuser1,0
 

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.   
0x0000-0x7FFFF5242881.rom1CRC(50522da1)
0x80000-0xFFFFF5242882.rom0CRC(3395541b)
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF5242883.vrom1CRC(0696bfcb)
0x80000-0xFFFFF5242884.vrom2CRC(305c2b16)
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