Memory Area:oki
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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.
Jumping Break (F2 System, 1999)
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
Memory Area:jmpbreak_io
Address RangeLengthFunctionDescription
0x00C0-0x00C34Read/Write NOP(// ?)
0x0100-0x01034Write NOP(// ?)
0x0240-0x02434Read PortP1_P2
0x0280-0x02834Writeeeprom_w
0x02C0-0x02C34Readeeprom_r
0x0440-0x04412Read/Write NOP(// return 0, when oki chip is read / written)
0x0442-0x04432Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0x0540-0x05434Read PortSYSTEM
0x0680-0x06834Device Write 8-bitymsnd, ym2151_device, register_w, 0x00ff
0x0684-0x06874Device Read/Write 8-bitymsnd, ym2151_device, status_r, data_w, 0x00ff
 

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.   
0x0000-0x7FFFF524288rom1.binCRC(7e237f7d) (Fluke: 7B9C)
0x80000-0xFFFFF524288rom2.binCRC(c722f7be) (Fluke: 060A)
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144vrom1.binCRC(1b6e3671) (Fluke: 9A5A)
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