10 INPUT"MESSAGE";M$: INPUT"VIEWING AREA";VA: PRINT CHR$(147): B$=M$+"..."
20 A=18-LEN(M$)/2: IF VA < LEN(M$) THEN A=20-VA/2
30 B$=RIGHT$(B$,LEN(B$)-1)+LEFT$(B$,1):C$=LEFT$(B$,VA):PRINTCHR$(19)CHR$(17)TAB(A)C$
40 FOR X=1 TO 70: NEXT: GOTO 30