Described File, not usable
10 S=12348 // Screen position X=20,Y=1
20 C=42 // ASCII code of *
30 for Y=0 to 520 step 40 // 14 loops for the tree rows, but going down 40 each time
40 	 poke S+Y,C // Plot Center Char for Line
50 	 read L // Read X length needed
60 	 for X=0 to L // Loop round X Length
70 		poke S+Y+X,C // Plot Center + X char
80 		poke S+Y-X,C // Plot Center - X char 
90 	 next // Complete X loop
100 next // Complete Y Loop
110 DATA0,1,2,3,1,3,5,7,2,5,8,11,1,1 // Data For Tree Rows, 0 = Center only, 1= Center +/- 1, 2= Center +/-2 etc
