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- { GETINTEGER
-
- The calling program must pass a MSG to be issued in the input
- prompt and MIN and MAX values for the returned value.
- Function will not exit until entered data is within range.
-
- Requires PROMPT.
- }
-
- FUNCTION getinteger (min, max : integer; msg : string255) : integer;
-
- VAR data : integer;
-
- begin
- repeat
- prompt (msg);
- readln (data);
- if (data>max) then
- writeln (' *** Value of ',msg,' cannot exceed ',
- max:1,' ***')
- else if (data<min) then
- writeln (' *** Value of ',msg,' must exceed ',
- min:1,' ***')
- until (data <= max) and (data >= min);
- getinteger := data
- end;
-
-