10DEFFNS="PRTDIS" 20*. 30PRINT" Print out a mode 7 display f ile"':INPUT" Print out which file? "f$ 40F%=OPENIN f$:PTR#F%=&F9:VDU2,1,27,1 ,108,1,20,1,27,1,81,1,60:REPEAT:a%=BGET# F%:IFa%>126 OR a%<32 a%=32 50VDUa%:UNTILEOF#F%:CLOSE#F%:VDU3:END