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.
Memory Area:skns_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM(/* BIOS ROM */)
0x400000-0x4000034Read Port400000
0x00ffUnusedActive Low
0x0100Start 1Active Low
0x0200Start 2Active Low
0x0400Coin 1Active Low
0x0800Coin 2Active Low
0x1000ServiceActive Low
0x2000TiltActive Low
0x4000Service 1Active Low
0x8000UnknownActive Low
0x10000Joystick UpActive Low
0x20000Joystick DownActive Low
0x40000Joystick LeftActive Low
0x80000Joystick RightActive Low
0x100000Button 1Active Low
0x200000Button 2Active Low
0x400000Button 3Active Low
0x800000UnusedActive Low
0x1000000Joystick UpActive Low
0x2000000Joystick DownActive Low
0x4000000Joystick LeftActive Low
0x8000000Joystick RightActive Low
0x10000000Button 1Active Low
0x20000000Button 2Active Low
0x40000000Button 3Active Low
0x80000000UnusedActive Low
0x400000-0x40000F16Writeio_w (/* I/O Write */)
0x400004-0x4000074Read Port400004
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0000NoActive High
0x0040YesActive High
0x0000Freezes the gameActive High
0x0080Right valueActive High
0xff00SpecialActive High
0xff0000SpecialActive High
0xff000000SpecialActive High
0x40000C-0x40000F4Read Port40000c
0x00ffSpecialActive High
0xffffff00UnusedActive Low
0x800000-0x801FFF8192RAM, Sharednvram (/* 'backup' RAM */)
0xC00000-0xC000034Device Read/Write 8-bitymz, ymz280b_device, read, write, 0xffff0000 (/* ymz280_w (sound) */)
0x1000000-0x100000F16Device Read/Write 8-bitrtc, msm6242_device, read, write, 0xffffffff
0x1800000-0x18000034Writehit2_w
0x2000000-0x2003FFF16384RAM, Sharedspriteram (/* sprite ram */)
0x2100000-0x210003F64RAM, Sharedspc_regs (/* sprite registers */)
0x2400000-0x240007F128RAM Write, Sharedv3_regs_w, v3_regs (/* tilemap registers */)
0x2500000-0x2503FFF16384RAM Write, SharedtilemapA_w, tilemapa_ram (/* tilemap A */)
0x2504000-0x2507FFF16384RAM Write, SharedtilemapB_w, tilemapb_ram (/* tilemap B */)
0x2600000-0x2607FFF32768RAM, Sharedv3slc_ram (/* tilemap linescroll */)
0x2A00000-0x2A0001F32RAM Write, Sharedpal_regs_w, pal_regs
0x2A40000-0x2A5FFFF131072RAM Write, Sharedpalette_ram_w, palette_ram
0x2F00000-0x2F000FF256Read/Writehit_r, hit_w
0x4000000-0x41FFFFF2097152ROM Bankbank1 (/* GAME ROM */)
0x4800000-0x483FFFF262144RAM Write, Sharedv3t_w, v3t_ram (/* tilemap b ram based tiles */)
0x6000000-0x60FFFFF1048576RAM, Sharedmain_ram
0xC0000000-0xC0000FFF4096RAM, Sharedcache_ram (/* 'cache' RAM */)
 

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.   
Sorry, We do not have ROM Memory Map information for this game.
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3