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Programming > Assembly 370 > Re: PACK with e...
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Re: PACK with explicit zero length for second operand

by bo774@[EMAIL PROTECTED] (Kelly Bert Manning) Mar 23, 2006 at 03:10 PM

"John Small" (zjsmallz@[EMAIL PROTECTED]
) writes:
> 
> So if the OP was trying to find a bug in this code that was causing 
> overruns, then the bug may be that this code does not ensure that R14 
> has a valid length (1-16 on entry, 0-15 after the BCTR) for a source 
> field.

Actually, the odd behaviour is that it wasn't looping when passed a c'03'
value, but I appreciate the discussion and explanations. The explanation
for that must lie somewhere else.

I'll add comments explain this to the code to assist anyone else who has
to try and parse it over the next few years. 

The fellow who originally coded this retired years ago. While we can't
find
him I do hope that he is enjoying doing "whatever I want, whenever I
want",
which was his response when someone asked him what he planned to do at his
retirement send off.
 




 7 Posts in Topic:
PACK with explicit zero length for second operand
bo774@[EMAIL PROTECTED]   2006-03-22 03:40:58 
Re: PACK with explicit zero length for second operand
"John Small" &l  2006-03-22 11:28:07 
Re: PACK with explicit zero length for second operand
glen herrmannsfeldt <g  2006-03-22 04:35:47 
Re: PACK with explicit zero length for second operand
"John Small" &l  2006-03-23 12:08:25 
Re: PACK with explicit zero length for second operand
bo774@[EMAIL PROTECTED]   2006-03-23 15:10:47 
Re: PACK with explicit zero length for second operand
"John Small" &l  2006-03-24 11:43:42 
Re: PACK with explicit zero length for second operand
"robin" <rob  2006-03-26 13:03:56 

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