hi,
i add some commands to the chunky engine

different plottypes: like shape , cross (blur fx), double x double y , 2x2 =>> increase speed
blitting of included shapes (and/or memoryblocks ^^) =>> increase speed
alphamapping technique! ..ok, its more a fake , cos u have a fixed palette, but it works
by plotting and also sprites
here some example progs
download57kb pure amiga fun for aga machine with good processor or emulatorit also includes the ball plotting demo^^ ..on amiga it's very funny

if someone interested i give the lib and some examples