SetWriteHandler(0x4021,0x4021,FDSWrite4021);
SetWriteHandler(0x4022,0x4022,FDSWrite4022);
SetWriteHandler(0x4023,0x4023,FDSWrite4023);
SetWriteHandler(0x4021,0x4021,FDSWrite4021);
SetWriteHandler(0x4022,0x4022,FDSWrite4022);
SetWriteHandler(0x4023,0x4023,FDSWrite4023);