zxgfx #6 memory

Authors: Art-top, Grongy, moroz1999, VS, nodeus, aGGreSSor, Al-Rado, bfox, Dimidrol, Diver, Finogenov Yevgeny, g0blinish, Inkutay, Joe Vondayl, Kakos_nonos, nyuk, Schafft, Shuran33, UriS