[A83] Re: Point of making your own lcd_busy?


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[A83] Re: Point of making your own lcd_busy?



> >It changes the data _at_ the SP, not SP itself.
> 
> Indeed.  Even if an interrupt did go off between the statements, an 
> interrupt that wouldn't crash the calc anyway would point SP back where
> it should be after.  So, unless there is an interrupt that messes with 
> non-shadow HL, its safe.

That's what I realised myself about 0.1 sec after sending the mail. :)

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