Start learning the basics of decimal arithmetic in assembler by tackling how to add and subtract in packed decimal. This video will get you started on the road to mastering the arithmetic every assembler programmer needs to know.
Instructions of the Day: AP and SP – Add and Subtract Packed Decimal
Categories:
Related Posts
Review an Instruction: BAKRReview an Instruction: BAKR
I’m backing up in the alphabet after adding an article on BAKR, Branch and Stack. The details can be complicated ...
Instruction of the Day: PACKInstruction of the Day: PACK
I just posted the first of many short instructional videos that cover specific mainframe instructions here. The link to it ...
Structured Assembler Macros: The While LoopStructured Assembler Macros: The While Loop
Build a while loop using the structured assembler Do macro. Here is the relevant code: DO WHILE=(CP,X,LT,=P'10') AP X,=P'1' MVC ...
