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Altera_Forum
Honored Contributor
Honored Contributorcustom instruction not working in 13.1.3
I have a simple combinatorial custom instruction that works fine under quartos 9.1. However (qsys in) quartos 13.1.3 doesn't generate the right logic. I've not tried quartos 14.x because I'm usi...
Altera_ForumHonored Contributor
Honored ContributorI don't think adding datab makes any difference.
Using 'b' also generates a lot less logic than having multiple instructions. Last time I was 'playing around' with custom instructions I also used 'readrb' to mux between 'b' and 'datab'.
