Re: The best place to begin learning Assembler
Ron Hudson <[email protected]>
| Newsgroups | gmane.comp.emulators.turnkey-mvs |
|---|---|
| Message-ID | <[email protected]> |
On Wed, May 26, 2010 at 12:45 PM, Gerhard Postpischil <[email protected]>wrote: > > > On 5/26/2010 3:14 PM, Ron Hudson wrote: > > Ok, I have the PDF of the 370 Principals of Operations (Sept) and the > > Instruction Overview from SimoTime > > > > (I noticed AR and ALR seem to be the same instruction??) > > > > Where, apart from these references, is the best place to learn Assembly? > > If you consider AR and ALR the same instruction, then your > effort is doomed from the start. > All I can go on is what I have found.. that's why I ask. > AR sets a condition code, ALR > does not. If R0 contains 1, and R1 contains x'7FFFFFFF' and you > do ALR R1,R0, you get x'80000000'; if you did AR R1,R0 you would > get a surprise (depending on the program mask setting). > > There are a few good books on e-bay every once in a while, but > the better ones are very expensive. One way of learning is to > use ASSIST, which takes care of some basics (input, output) so > you can concentrate on the instructions. Others have gone to the > CBT files (distributed with tk3; also on www.cbttape.org), > picked one or more interesting programs, and analyzed them until > they understood what they did. It depends on your learning > style. But beware - there are many purported assembler books out > that not worth the paper they're printed on. > > And there is always google to lead you to mysterious > destinations <g> > yeah like SimoTime, But at least I have the Principals of Operation that lists many more commands (much more tersely) Are there any video lectures? The major Universities are more and more taping their lectures and making them available. I don't suppose any school is teaching this stuff though. Google does not find any for me.