10 HGR:HGR2
50 POKE 49246,0: REM TURN ON DHR
60 POKE 49165,0: REM TURN ON 80COLUMNS
70 POKE 49153,0:REM TURN ON 80STORE
75 POKE POKE 49237,0
80 HCOLOR=3:HPLOT 0,100 TO 279,100