Debugging in Menu Mode › Accessing Screens › Command Currency

Command Currency

Repeating a Command

Command currency is a feature of menu mode that simplifies the debugging process when you use the same command in successive actions. With command currency, you select the command the first time only.

Defining the Current Command

The current command is defined as the most recent debugger command referenced on a command-specific help screen or an activity screen. No current command exists until you take either of two actions:

• Use the screen-name option with the MENU command to name an activity screen.

  For example, the command MENU LIST establishes the LIST command as the current command.

• Designate a command from the activity or help selection list at the bottom of any screen.

  The newly-selected command functions as the current command.

The current command is the default command. This means that the debugger system automatically displays the appropriate screen for the current command.

You can choose Activity or Help in the selection area, or press the control key associated with either of these actions, without specifying a command. If no current command has been established when you make any of the above choices, the debugger system displays an error message.

Changing Command Currency

You can change command currency in the same way you establish it.

For example, if the current command is LIST, mark the select byte for the SET command and press the control key associated with the current command-specific help screen (for example, [PF4]). The Help screen for SET appears, because SET is the newly-designated current command.

Command currency does not change when you:

• Enter a command on the screen prompt line.

  For example, while setting breakpoints with the At screen, you can use the prompt line to request a memory display with the LIST command. In this case, the AT command remains as the current command.

• Select a global help screen, that is, a screen that is not associated with a specific debugger command.

  For example, you can move from the LIST command activity screen to the Usage, Symbols, or Keys screen without changing command currency.