System Operations Listing:

See Type System for argument compatibility.

Commands:

CREATE
DESTROY
EXPAND
GOTO
LOAD
MAKE
NOTICE
PAGECOLOR
PLAY
RETURN
SELECT
SETWINDOWCOLOR 
UNDEFINE
WRITEFILE

Functions (Arguments in parentheses, return values):

DATATYPE (EX form)
EVALUATE (String expression)
GETKEY()
LOOKAT (ST filename_with_extension)
READFILE (ST filename_without_extension)
SYMBOL()
WAIT (ST button_name or EX number)
WAITKEY (Expression numeric character code)

Constants:

GLBlack = (List #3 RGB Color(0,0,0))

GLBlue = (List #3 RGB Color(0,0,255))

GLBrown = (List #3 RGB Color(128,128,0))

GLCyan = (List #3 RGB Color(0,0,128))

GLGreen = (List #3 RGB Color(0,128,0))

GLGrey = (List #3 RGB Color(128,128,128))

GLLBlue = (List #3 RGB Color(0,255,255))

GLLCyan = (List #3 RGB Color(0,128,128))

GLLGreen = (List #3 RGB Color(0,255,0))

GLLGrey = (List #3 RGB Color(192,192,192))

GLLMagenta = (List #3 RGB Color(255,0,255))

GLLRed = (List #3 RGB Color(255,0,0))

GLMagenta = (List #3 RGB Color(128,0,128))

GLRed = (List #3 RGB Color(255,0,0))

GLWhite = (List #3 RGB Color(255,255,255))

GLYellow = (List #3 RGB Color(255,255,0))