(42S) Polynomial Operations

[Dieter]

(01-12-2019 12:27 AM)rprosperi Wrote:  FC? 77 tests if flag 77 is clear - if so, it proceeds to the next step; if not, it skips to the 2nd step.

The 42s sets flag 77 if the matrix pointer jumps from the last element back to the first one (or vice versa), which means that all elements have been processed.
So it acts as a kind af "end of matrix" flag here.

Dieter