Glacial if your topic is unpopular. So we grind away at posting non-controversial entries and searching hashtags. Boring. SOCIAL is a wasteland.
So it turns out both earlier Intel x86 chips and many of the other earlier microprocessors had BCD support. And the 64-bit chips do/may not!? “DAA” was decimal adjust to handle decimal addition and subtraction.
Who knew. And it’s kinda too late now.