Debugging
debug screen work with option --debug at start or when you press ctrl+c key during basic program execution or when invoked by stop command from inside basic program lines.

- F5 key allow sdlBasic interpreter to continue the normal execution.
- F6 key force sdlBasic to execute the program line by line one step at time.
- F4 key allow you typing a variable name to watch it's value. If variable is an array then you must enter the name of the array without the square bracket and, when you prompted to, you must enter the indexes of wanted record.
- Ctrl + c keys close sdlBasic window.