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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.
Snow Bros. 2 - With New Elves / Otenki Paradise (bootleg, 1998)
Memory Area:snowbro2_68k_mem
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x100000-0x10FFFF65536RAM
0x300000-0x30000D14Device Read/Writegp9001, gp9001vdp_device, gp9001_vdp_r, gp9001_vdp_w
0x400000-0x400FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x500000-0x5000034Device Read/Write 8-bitymsnd, ym2151_device, read, write, 0x00ff
0x600000-0x6000012Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0x700000-0x7000012Read PortJMPR
0x700004-0x7000052Read PortDSWA
0x700008-0x7000092Read PortDSWB
0x70000C-0x70000D2Read PortIN1
0x700010-0x7000112Read PortIN2
0x700014-0x7000152Read PortIN3
0x700018-0x7000192Read PortIN4
0x70001C-0x70001D2Read PortSYS
0x700030-0x7000312Writeoki_bankswitch_w
0x700034-0x7000352Writetoaplan2_coin_word_w
 

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:gp9001
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152sb2-gfx.u177CRC(ebeec910)
0x200000-0x3FFFFF2097152sb2-gfx.u175CRC(e349c75b)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288sb2-snd-4.u17CRC(638f341e) (Fluke: 9659)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768sb2-unk.u100CRC(456dd16e) (Fluke: 8D4C)
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