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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.
Silver Millennium (Para, 1995)
Memory Area:silvmil_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM
0x100000-0x1000012Writesilvmil_tilebank1_w
0x100002-0x1000032Writesilvmil_fg_scrollx_w
0x100004-0x1000052Writesilvmil_fg_scrolly_w
0x100006-0x1000072Writesilvmil_bg_scrollx_w
0x100008-0x1000092Writesilvmil_bg_scrolly_w
0x10000E-0x10000F2Writesilvmil_tilebank_w
0x120000-0x120FFF4096RAM Write, Sharedsilvmil_fg_videoram_w, fg_videoram
0x122000-0x122FFF4096RAM Write, Sharedsilvmil_bg_videoram_w, bg_videoram
0x200000-0x2005FF1536RAM Device Write, Sharedpalette, palette_device, write, palette
0x210000-0x2107FF2048RAM, Sharedspriteram
0x270000-0x2700012Writesilvmil_soundcmd_w
0x280000-0x2800012Read PortP1_P2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Button 3Active Low
0x0080Start 1Active Low
0x0100Joystick UpActive Low
0x0200Joystick DownActive Low
0x0400Joystick LeftActive Low
0x0800Joystick RightActive Low
0x1000Button 1Active Low
0x2000Button 2Active Low
0x4000Button 3Active Low
0x8000Start 2Active Low
0x280002-0x2800032Read PortCOIN
0x00ffUnknownActive Low
0x0100Coin 1Active Low
0x0200Coin 2Active Low
0xfc00UnknownActive Low
0x280004-0x2800052Read PortDSW
0x0003DifficultyActive High
0x0002EasyActive High
0x0003NormalActive High
0x0001HardActive High
0x0000Very_HardActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x0100OffActive High
0x0000OnActive High
0x0200OffActive High
0x0000OnActive High
0x0400LanguageActive High
0x0400KoreanActive High
0x0000EnglishActive High
0x3800CoinageActive High
0x08004C_1CActive High
0x18003C_1CActive High
0x00004C_2CActive High
0x28002C_1CActive High
0x10003C_2CActive High
0x20002C_2CActive High
0x38001C_1CActive High
0x40001Active High
0x00002Active High
0x300000-0x30FFFF65536RAM
Memory Area:silvmil_sound_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xC0012Device Read/Writeymsnd, ym2151_device, read, write
0xC0021Device Read/Write, Mirroroki, okim6295_device, read, write, 1
0xC0061Device Readsoundlatch, generic_latch_8_device, read
0xC00F1Write NOP(// ??)
0xD000-0xD7FF2048RAM
 

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
0x0000-0xFFFF65536d-11_uz02.binCRC(b41289e6)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144d-12_uz1.binCRC(a170d8a9)
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