//KM 2018 03 23: getting lots of form spam; screen out dates before 2000 (book publication date) The simulator warns about an MDU paired with a CCS subinstruction. It calls the choice "puzzling". What's wrong? | Byte Craft Limited

The simulator warns about an MDU paired with a CCS subinstruction. It calls the choice "puzzling". What's wrong?

eTPU_C

This is effectively a "don't care" operation. The MDU flags are always preserved. The compiler uses CCS for all math operations, except where explicitly disabled by optimization.