| 82161 |  CHECKPICT | (  →  )Checks size of
 GBUFF. If it is smaller than
131x64 setsGBUFFback to its default size
(131x64). | 
| 82229 |  GETXMIN | (  → % )Recalls XMIN from the PPAR list if
existent. If not, the default PPAR is created
in the current directory.
 
 --<REF>TEXT:Reserved|PPAR
 | 
| 822E7 |  PUTXMIN | ( % →  )Sets a new value for XMIN.  PPAR is created
if necessary.
 
 --<REF>TEXT:Reserved|PPAR
 | 
| 8223D |  GETXMAX | (  → % )Recalls XMAX from the PPAR list if
existent. If not, the default PPAR is created
in the current directory.
 
 --<REF>TEXT:Reserved|PPAR
 | 
| 822FB |  PUTXMAX | ( % →  )Sets a new value for XMAX.  PPAR is created
if necessary.
 
 --<REF>TEXT:Reserved|PPAR
 | 
| 82233 |  GETYMIN | (  → % )Recalls YMIN from the PPAR list if
existent. If not, the default PPAR is created
in the current directory.
 
 --<REF>TEXT:Reserved|PPAR
 | 
| 822F1 |  PUTYMIN | ( % →  )Sets a new value for YMIN.  PPAR is created
if necessary.
 
 --<REF>TEXT:Reserved|PPAR
 | 
| 82247 |  GETYMAX | (  → % )Recalls YMAX from the PPAR list if
existent. If not, the default PPAR is created
in the current directory.
 
 --<REF>TEXT:Reserved|PPAR
 | 
| 82305 |  PUTYMAX | ( % →  )Sets a new value for YMAX.  PPAR is created
if necessary.
 
 --<REF>TEXT:Reserved|PPAR
 | 
| 69347 |  GETYPOS |  | 
| 8221F |  GDISPCENTER | (  →  )Moves to center of graphics display
 |