[Coco] Quick 6809 Q for night owls in the US

Steve 6809er at srbsoftware.com
Tue Apr 15 09:28:40 EDT 2014

  leax -1,x
  bne loop

You can use X or Y, but not S or U for the loop.

On 4/15/2014 6:19 AM, Mark McDougall wrote:
> How would one write a (tight) loop, say a few thousand iterations in 
> 6809 assembler? Can it be done with the X/Y registers? D? Or do I need 
> a memory variable? It's for a delay...
> Regards,

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