Opening the Breakpoints Display

At the main window, click on the View Breakpoints button. The Breakpoints Display window will appear.


Adding a Breakpoint at a Source Program Line

  1. At the lower-left hand corner of the Breakpoints Display window, Choose Line from the choice list (drop-down list).
  2. At the text box to the right of the choice list, enter the line number at which the breakpoint is to be added.
  3. Click the Add button. The address corresponding to the specified line is added to the breakpoint list box.

Note: When the CPU encounters a breakpoint, the CPU stops right before it starts fetching the instruction where the breakpoint is located.


Adding a Breakpoint at a Memory Address

  1. At the lower-left hand corner of the Breakpoints Display window, Choose Address from the choice list (drop-down list).
  2. At the text box to the right of the choice list, enter the memory address at which the breakpoint is to be added.
  3. Click the Add button. The specified address is added to the breakpoint list box.

Note: When the CPU encounters a breakpoint, the CPU stops right before it starts fetching the instruction where the breakpoint is located.


Deleting a Breakpoint

  1. At the Breakpoints Display window, highlight the address of the breakpoint to be deleted in the breakpoint list box.
  2. Enter the new register value in the text field.
  3. Click the Delete button. The address of the breakpoint is removed from the breakpoint list box.