AVR-Chat

Yes but can you do it without the push and pop?  The original suggestion 
was to do it without the use of any other registers or places to store it.

I figured it had to do with some Boolean operations but didn't sit long 
enough to figure out which ones.

Zack (W9SZ)


On Thu, 9 Jun 2005 stevech@san.rr.com wrote:

> 
> and to swap two registers: and ye ole:
> 
> push r1
> 
> mov r1,r2   ; r1 = r2
> 
> pop r2
> 
> more cycles than eor's
>