if up(0) then a%=a%+110
20 if a%>4 then a%=1
30 if a%=1 then spritegel "hero","1"
40 if a%=2 then spritegel "hero","2"
50 if a%=3 then spritegel "hero","3"
60 if a%=4 then spritegel "hero"."4"
70 if up(0) then y%=y%-1
80 spritemove "hero",x%,y%
90 goto 10


:   .   ,  a%  +1,     a%=1,    ,  a%=2    ...
  :          gelload "gel$","gelfile$"


: boom
  : annimon.com