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But before that I guess I'll actually need to deal a strange regression with the change in tic4x and tic54x - the output of the .byte directives in all/macro.s has extra zeros appended in the listing (didn't check yet whether that's also the case in the generated object files). Of the changes I have under test, I can only guess it's the one here, but of course I'll need to isolate that as the first step to figuring what's going on there. I'm mentioning it here merely in case it rings a bell ... Jan