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See also: WAIT KEY

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).

syntax example abbreviation back to keywords

SYNTAX

 DO NULL


Legend
  • id : identifier
  • type : datatype
  • v : value
  • "..." : string
  • [...] : optional

EXAMPLE

 DO NULL


Used in:

ABBREVIATION: DoNULL

Join BASIC 10Liner Contest with ugBASIC!

An interesting competition is held at the beginning of each year: the BASIC 10Liner Contest. It is possible to use ugBASIC to participate in the next "BASIC10Liner" competition, in the following categories:

  • PUR-120 - A game in 10 lines of max 120 characters (w/abbrev.)
  • EXTREME-256 - A game in 10 lines of max 256 characters (w/abbrev.)
  • SCHAU - Any program in 10 lines of max 256 characters (w/abbrev.)
In order to reduce space you can use this abbreviation for this instruction: 

DO NULL ↔ DoNULL

Any problem?

If you have found a problem with this keyword, if you think there is a bug or, more simply, you would like it to be improved, open an issue for this example on GitHub.
Thank you!

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