THE THIRD DIMENSION
The code below the dotted line is to accompany the LOADSAVE.TXT
file by Robin Ball.Delete all of the writing above and including 
the dotted line if you wish to use the code in the 3D KITS.
--------------------------------------------------------------- 

IF VAREQ? (1,V100)
THEN
 INVIS (2,1)
ELSE
 VIS (2,1)
ENDIF
IF VAREQ? (1,V101)
THEN
 INVIS (2,2)
ELSE
 VIS (2,2)
ENDIF