On Feb 11, 2022, at 11:00:58, Dave Clark wrote: > > I know that x'F1' and x'C1' are positive and that x'D1' is > negative. But what if I find x'A1', x'B1', or x'E1' for overpunch values? > What is the shortest way (in terms of assembler instructions) to validate > these into just two classes -- positive and negative? > How about CVB then CVD, then compare the result to the original?
-- gil
