Re: Assembler: alignment of machine instructions

Michel Castelein wrote:

> A DC or DS instruction with a zero duplication factor forces boundary 
> alignment, even when the NOALIGN assembler option is in effect.

> At the other hand, IMHO, the assembler always aligns machine
instructions on 
> a halfword boundary.

> So, I'm wondering why the expansion of the SAVE macro begins with a DS
0H.

> That's redundant, isn't it?

> Or are there some historical reasons? If yes, which ones?

> The first one to provide me with the correct information will receive a
copy 
> of my new assembler course.

I believe my first posted answer is correct, and the later one includes 
source from the OS/360 SAVE macro to help verify it.

Is the offer still active?

-- glen