[A83] Re: dested register


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[A83] Re: dested register




So save the register.  Generally, you store everything in memory locations
(sometimes called variables), and load things into registers when necessary.
You can't expect to write a non trivial program using just registers.

> I am using a sample program in ASM guru converted for ION.  That moves a
> pixel around the screen.  However, they Y-postion (or the b register)
seems
> to get destroyed.  Thus, I can move a pixel up and down... but only on the
> left side of the screen.





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