[Coco] 64K ROM to RAM programs - where did this one come from?

L. Curtis Boyle curtisboyle at sasktel.net
Tue Dec 14 16:40:34 EST 2021


The last part is because he is copying 6 bytes across at a time, which doesn’t work out evenly for the amount of memory he is copying, so that is a “clean up” to copy the last bytes. It is written with speed as the intention.


> On Dec 14, 2021, at 3:36 PM, Allen Huffman <alsplace at pobox.com> wrote:
> 
>> On Dec 14, 2021, at 3:31 PM, L. Curtis Boyle <curtisboyle at sasktel.net> wrote:
>> 
>> You could shrink it by a byte with 4032 being a PULS CC,PC instead. :-)
> 
> Since I have been using this as something someone could type in to test if they have 64K, I think Frank Hogg’s smaller example may be the one I switch to using in my articles.
> 
> What do you say to the assembly at the end? Can you tell the intent?
> 
> 		— A
> 
> 
> 
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