row specifies the starting row of  the  field . Note that if the parentid is missing or is numeric and evaluates to 0, the row is multiplied by 2. (Historians differ on the exact origin of this unusual feature, but we believe it arose during the epochal moment when display terminals suddenly increased from 12 to 24 display lines.) 

You can also specify row relative to the bottom of the screen (determined dynamically from the terminal driver at runtime) by using a negative number: -1 = the bottom row, -3 = third row up from the bottom, etc.

If you set both row and col to zero, INFLD will operate in position-relative mode, starting from where the cursor was when you called INFLD. (This is similar to how BASIC INPUT works.)

If row > 200, it is interpreted as Millirows , which see for more information.