Processor Instruction Sets

[Mike T.]

Thank you!

I was starting to think I was losing it.

That list should come in very handy. All I need to do now is get my head around the strange behaviour of the 'P' register...

(09-04-2021 12:57 AM)teenix Wrote:  There are differences with ACT instructions sets between HP-01, Classic and Woodstock series.

I guess the ACT's from these different series were never meant to be interchanged and it was probably easier to implement the op-codes in this way due to internal chip design.