Memory Area:oki1
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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.
X2222 (Oriental Soft / Promat, 2000)
Memory Area:x2222_32bit_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFFF4194304RAM, Sharedworkram (// work ram)
0x40000000-0x403FFFFF4194304RAM(// ?? data gets copied here if present, but game runs without it??)
0x4FA00000-0x4FA000034Writegstream_tilemap3_scrolly_w
0x4FB00000-0x4FB000034Writegstream_tilemap3_scrollx_w
0x4FC00000-0x4FC000034Writegstream_tilemap2_scrolly_w
0x4FD00000-0x4FD000034Writegstream_tilemap2_scrollx_w
0x4FE00000-0x4FE000034Writegstream_tilemap1_scrolly_w
0x4FF00000-0x4FF000034Writegstream_tilemap1_scrollx_w
0x80000000-0x80003FFF16384RAM Write, Sharedgstream_vram_w, vram (// video ram)
0xFFC00000-0xFFC01FFF8192RAM, Sharednvram (// Backup RAM (maybe))
0xFFF00000-0xFFFFFFFF1048576ROM, Regionuser1,0 (// boot rom)
Memory Area:x2222_io
Address RangeLengthFunctionDescription
0x4000-0x40034Read PortP1
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0x4004-0x40074Read PortP2
0x0001Joystick UpActive Low
0x0002Joystick DownActive Low
0x0004Joystick LeftActive Low
0x0008Joystick RightActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnusedActive Low
0x0080UnusedActive Low
0x4008-0x400B4Read PortSYS
0x0001Coin 1Active Low
0x0002OffActive High
0x0000OnActive High
0x0004Start 1Active Low
0x0008Start 2Active Low
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0x4010-0x40134Read PortDSW
0x0001OffActive High
0x0000OnActive High
0x0000EasyActive High
0x0004NormalActive High
0x0002HardActive High
0x0006Very_HardActive High
0x00001Active High
0x00082Active High
0x00103Active High
0x00184Active High
0x00202C_1CActive High
0x00001C_1CActive High
0x00402Active High
0x00603Active High
0x00804Active High
0x00a05Active High
0x00c06Active High
0x00e07Active High
0x4028-0x402B4Writex2222_sound_w
0x4034-0x40374Read PortIN4
0x0001OffActive High
0x0000OnActive High
0x0002OffActive High
0x0000OnActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080SpecialActive Low
 

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.   
0x0000-0x112DD91125850test.hyeCRC(c1142b2f)
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288x2222_sound
0x0000-0x7FFFF524288x2222_sound
Memory Area:sprites
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152spr11.binCRC(1d15b444)
0x0000-0x1FFFFF2097152spr11.binCRC(1d15b444)
0x200000-0x3B8AFF1805056spr21.binCRC(1c392be2)
0x200000-0x3B8AFF1805056spr21.binCRC(1c392be2)
0x400000-0x5FFFFF2097152spr12.binCRC(73225936)
0x400000-0x5FFFFF2097152spr12.binCRC(73225936)
0x600000-0x7B8AFF1805056spr22.binCRC(cf7ebfa1)
0x600000-0x7B8AFF1805056spr22.binCRC(cf7ebfa1)
0x800000-0x9FFFFF2097152spr13.binCRC(52595c51)
0x800000-0x9FFFFF2097152spr13.binCRC(52595c51)
0xA00000-0xBB8AFF1805056spr23.binCRC(d894461e)
0xA00000-0xBB8AFF1805056spr23.binCRC(d894461e)
0xC00000-0xDFFFFF2097152spr14.binCRC(f6cd6599)
0xC00000-0xDFFFFF2097152spr14.binCRC(f6cd6599)
0xE00000-0xFB8AFF1805056spr24.binCRC(9542cb08)
0xE00000-0xFB8AFF1805056spr24.binCRC(9542cb08)
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