PET VIC-20 C64 C16 Plus/4 C128 X16 M65

The CALL command executes a subroutine.

CALL <subroutine_name> ([<param> [, <param>, ...]])

The called subroutine must be defined or forward declared before it can be called. See the Subroutines page for more information.

CONST LT_BLUE = 14

REM ** Clears the screen and sets color **
SUB cls (color AS BYTE) STATIC
  MEMSET $0400, 1000, 32
  MEMSET $d800, 1000, color
END SUB

REM ** Call the routine **
CALL cls (LT_BLUE)
PRINT "screen cleared"

• Subroutines