====== KEY ======

[pet] [vic20] [c64] [c16] [cplus4] [c128]

The ''KEY()'' function tests whether a specified key is being depressed on the keyboard.

===== Function declaration =====

  DECLARE FUNCTION _
  KEY AS BYTE (scancode AS WORD) SHARED STATIC INLINE

For the list of scan codes on particular platforms, see [[v3:keyboard_scancodes|]].

===== Example =====

  CONST Q = 32576 ' scan code for Q key
  PRINT "press Q key to quit program"
  DO : LOOP UNTIL KEY(Q)
  PRINT "good bye"
  END