Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

A breakpoint causes execution to pause and returns control
to you. To set a breakpoint on a particular line:
 
  1. Place the cursor anywhere on the line
  2. Press F9
 
The line is highlighted to show that a breakpoint is set.
Execution will pause immediately before the line. You can
 
  ■ Press F5 to execute to the next breakpoint
  ■ Press F8 to trace through the program
  ■ Press F10 to single-step to the next statement
 
To remove the breakpoint, put the cursor on the line and
press F9.
 
To set a breakpoint by line number, use the dialog box:
Location: ░░░░░░░  ■ Type a filename!.line number, such as
                     errhdl.c!.458.
                   ■ Select <Add/Delete>.
 
To set a breakpoint on a procedure or label,
use the dialog box:
 
Location: ░░░░░░░  ■ Type the procedure or label name.
                   ■ Select <Add/Delete>.
 
To change a breakpoint:
List:
░░░░░░░░░░░░░░░░░  ■ Select the breakpoint from the list.
░░░░░░░░░░░░░░░░░    (It appears in the Location: box.)
░░░░░░░░░░░░░░░░░  ■ Edit it, then select <Add/Delete>.
 
To remove a breakpoint:
List:
░░░░░░░░░░░░░░░░░  ■ Select a breakpoint from the list.
░░░░░░░░░░░░░░░░░  ■ Select <Add/Delete>.