[Coco] Undefined bits, was:CoCo 3 MMU test for all

Roger Taylor operator at coco3.com
Mon Jan 21 17:18:34 EST 2008


At 12:45 PM 1/21/2008, you wrote:
>Steve Bjork <6809er at bjork-huffman.net> wrote:
>
> > Roger, this is a mute point anyway because they are undefined bits of
> > data and should be ignored.
>
>Roger is not the one writing the code that checks these reads. He is
>(ab)using BASIC's LOADM it turn it into a MMU multisegement loader.
>
>It's a cool trick but I would really suggest he avoids it for anything
>he distributes.


Tim, there's no difference in manually doing a POKE 65441,0 at the 
prompt or letting LOADM do it.  It's exactly the same, but it's safer 
for LOADM to do since you are now away from BASIC and moving into the 
overtaken system that the game now controls.





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