10 ' test float and integer division by zero 
20 ? 1./0/0
30 ? 1#/0/0
32 ? 1\0
34 ? 1 MOD 0
39 on error goto 500
40 ? 1\0\0
55 ? 1 MOD 0 MOD 0
60 end
500 print "error:", err, erl
510 resume next
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 79
1050 PRINT #1, CHR$(PEEK(2*(Y*80+X)));
1060 NEXT
1065 PRINT #1, ""
1070 NEXT
1080 CLOSE 1

