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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.
RyuKyu (Success / Sega, 1990)
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xDFFF24576ROM Banksoundbank
0xE8001Device Readsoundlatch, generic_latch_8_device, read
0xF800-0xFFFF2048RAM
Memory Area:sound_portmap
Address RangeLengthFunctionDescription
0x0000-0x00012Mirror, Device Read/Write0x3e, ym2151, ym2151_device, read, write
0x00401Mirror, Write0x3f, upd7759_control_w
0x00801Mirror, Read, Device Write0x3f, upd7759_status_r, upd, upd7759_device, port_w
0x00C01Mirror, Device Read0x3f, soundlatch, generic_latch_8_device, read
Memory Area:system16b_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFFF16777216Device Read/Write 8-bitmapper, sega_315_5195_mapper_device, read, write, 0x00ff
0x100000-0x1007FF2048RAM, Sharedsprites
0x200000-0x200FFF4096RAM, Sharedpaletteram
0x300000-0x30FFFF65536RAM, Sharedtileram
0x400000-0x400FFF4096RAM, Sharedtextram
0x500000-0x503FFF16384RAM, Sharedworkram
 

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:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072opr-13351.a14CRC(a68a4e6d) (Fluke: 9A1D)
0x20000-0x3FFFF131072opr-13352.a15CRC(5e5531e4) (Fluke: DEC0)
0x40000-0x5FFFF131072opr-13353.a16CRC(6d23dfd8) (Fluke: 38FE)
Memory Area:maincpu:key
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192317-5023.keyCRC(43704331) (Fluke: 4C88)
Memory Area:soundcpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768epr-13349.a10CRC(b83183f8) (Fluke: A874)
0x10000-0x2FFFF131072opr-13350.a11CRC(3c59a658) (Fluke: 2DDF)
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