Date   : Tue, 24 Nov 2009 15:09:57 +0000
From   : bbcmicro@... (Ian Stocks)
Subject: Quine

Mick Champion wrote:
> Sorry, I should have done PLP there as opposed to PLA. So if I wanted to 
> save A and its flags and do something else
> 
> PHA
> PHP
> //do other code
> PLA
> PLP
> 
> ?

Nope, think of a stack of plates, the last one you pushed onto the pile 
will be the first one you pop off the pile. So the push and pop need to 
be nested.

PHA
   PHP
     //do other code
   PLP
PLA

Ian.