ICL 1900 Series George 3 Operating System Macros

FORMATLOOP

Function

Sets up a format loop data for line printers using simulated format loops.

Format

FORMATLOOP property name,form length,track₁,line₁, track₂,line₂,...track_n,line_n

property name is the name of the temporary property identifying the loop

form length gives the number of lines on the form (default 66, maximum 96

track,line is a parameter pair. track is the track number between 2 and 7 (track 1 is always head of form and track 8 is reserved). line is the line number between 1 and the length of the form.

Forbidden contexts

NO USER

Execution

The format loop data is converted into the required form and put into the file :FORMATLOOPS.property name. Note that :FORMATLOOPS must exist, and that the macro cannot process data requiring more than one loop hole on any one line.

Error Messages

TO MANY LINES IN FORM
LINE NUMBER ERROR
TRACK NUMBER ERROR
CANNOT CREATE :FORMLOOPS.z
PARAMETER ERROR