Heart Defense!

Use cursor to avoid the colourful columns. Source code (277 characters): poke(0x5f2d,1)h=80th=80ts=.02m=stat dm=.1v=0d=0t=1s=0l=line::_::flip() d=th-h v+=(d*ts)-(dm*v)h+=v if(t%30==0)th=rnd(50)+60 cls()for i=0,160 do l(i,160-h,i,160,i%15+t)l(i,130-h,i,0,i%15+t)end y=m(33)?♥,m(32),y if(s 160-h)t=0 ?t,60,140-h,7 ?s t+=1 goto _