10 ' test interrupting INPUT with ctrl-C
15 width 40:key off
20 end
1000 N$="output.txt" ' RUN 1000 to dump screen
1010 DEF SEG=&HB800
1020 OPEN N$ FOR OUTPUT AS 1
1030 FOR Y = 0 TO 24
1040 FOR X = 0 TO 39
1050 PRINT #1, CHR$(PEEK(2*(Y*40+X)));
1060 NEXT
1065 PRINT #1, ""
1070 NEXT
1080 CLOSE 1

