ugBASIC User Manual

   DO NULL

Wait for a keystroke. If a program comes to a DO NULL instruction, it waits until the user presses a key. Differently from TSB, further commands can follow on the same BASIC line in the progra, and it can be used in an IF line (after THEN or ELSE).

  DO NULL

See also the following example files:

• tsb_block_rec_01.bas

 Do NULL

• Commodore 128 (MOS 8502)

If you have encountered a problem using this command, if you think there is a bug or the explanation is unclear, please open an issue for this keyword on GitHub. Thank you!