GLCD_FILL(0);   // CLEAR THE SCREEN

GLCD_FILL($FF);       // FILL THE SCREEN

GLCD_DOT( 0 , 0 , X );    //  Draw POINT AT (0,0)

GLCD ( 5, 24 ,X) ; // What the mean of X ?

X=0   // CLEARS DOT
X=1   // PUT A DOT
X=2  // INVERTS DOT STATE

GLCD_LINE( 0, 15, 50, 0, X) ;

X=0 // DRAWS AN EMPTY LINE ( CLEAR DOTS  
X=1 //DRAWS A FULL LINE (  PUT  DOTS 
X=2 // INVERTS EACH  DOT STATE

GLCD_V_LINE(X , Y1, Y2, CHAR COLOR ) ;

GLCD_V_LINE(0 , 60 , 0 , 1 ) ;

GLCD_H_LINE(X1 , X2 , Y , COLOR ) ;

GLCD_H_LINE( 0 , 120 , 0 , 1 ) ;

GLCD_RECTANGLE( X1, Y1 , X2 , Y2 , 1 ) ;

GLCD_RECTANGLE( 1O ,0 , 30 , 35 , 1 ) ;

GLCD_CIRCLE( X , Y , RADIUS , COLOR ) ;

GLCD_CIRCLE( 60 , 30 , 20 , 1 ) ;