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Programming > Assembly 370 > Re: Assembler: ...
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Re: Assembler: alignment of machine instructions

by Binyamin Dissen <postingid@[EMAIL PROTECTED] > Jul 14, 2005 at 11:26 AM

On Wed, 13 Jul 2005 21:37:48 +0000 (UTC) richgr@[EMAIL PROTECTED]
 (Rich Greenberg)
wrote:

:>In article <42d5840c$0$21446$ba620e4c@[EMAIL PROTECTED]
>,
:>Michel Castelein <arcis@[EMAIL PROTECTED]
> 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?

:>I think that SAVE has both list and execute forms as well as normal, and
:>the DS 0H is probably in common code before the forms diverge.

It does not.

--
Binyamin Dissen <bdissen@[EMAIL PROTECTED]
>
http://www.dissensoftware.com

Director, Dissen Software, Bar & Grill - Israel


Should you use the mailblocks package and expect a response from me,
you should preauthorize the dissensoftware.com domain.

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 13 Posts in Topic:
Assembler: alignment of machine instructions
"Michel Castelein&qu  2005-07-13 23:13:45 
Re: Assembler: alignment of machine instructions
richgr@[EMAIL PROTECTED]   2005-07-13 21:37:48 
Re: Assembler: alignment of machine instructions
Binyamin Dissen <posti  2005-07-14 11:26:02 
Re: Assembler: alignment of machine instructions
"arargh" arargh  2005-07-13 18:00:03 
Re: Assembler: alignment of machine instructions
glen herrmannsfeldt <g  2005-07-13 21:27:03 
Re: Assembler: alignment of machine instructions
glen herrmannsfeldt <g  2005-07-19 13:43:28 
Re: Assembler: alignment of machine instructions
Binyamin Dissen <posti  2005-07-14 11:26:04 
Re: Assembler: alignment of machine instructions
"John Small" &l  2005-07-14 10:50:59 
Re: Assembler: alignment of machine instructions
glen herrmannsfeldt <g  2005-07-25 16:03:55 
Re: Assembler: alignment of machine instructions
"Michel Castelein&qu  2005-07-26 08:25:21 
Re: Assembler: alignment of machine instructions
"Sven Pran" <  2005-07-27 09:45:31 
Re: Assembler: alignment of machine instructions
beu@[EMAIL PROTECTED] (B  2005-07-27 20:50:58 
Re: Assembler: alignment of machine instructions
"Sven Pran" <  2005-07-28 00:11:47 

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tan12V112 Fri Jul 25 15:10:16 CDT 2008.