Bill Cornutt wrote: > > ---------- > No need to do anything for 'ones' as the result of the above > subtractions will leave the ones value. But the test may should > be 'greater or equal'. Yer right. And I wrote the above without reference to my code sO I forgot I'd done that. Honest. > > And a right shift of the 200 value gives a 100 value. The same > shifting 80 to get the next compare/subtraction value... > Is a shift quicker than a load? > > Also if the 'test for 80' is true, then no need to 'test for 40' But I didn't do that. Thanks. > > Bill C. bill@corutt.com > -- ---------------------------------------------------------------- Chris Savage chris@cti-vision.demon.co.uk Software Engineer +44 385 396 993 CTIVision Ltd, Egham, UK ----------------------------------------------------------------