DFile::CEL& make_tranp(DFile::CEL& cel){
		bool trnp = false;

		for(int y = 0; y < cel.height; ++y){
			int offh = y * cel.width;
			trnp = !trnp;
			for(int x = 0; x < cel.width; ++x){
				if(trnp = !trnp)
					cel.data[x + offh] = 256;
			}
		}
	}