> Before these changes C18/PIC18F encouraged the use of poor programming
> practices because using global variables in access ram was so much more
> efficient than passing arguments and using local variables.

Isn't that the case with pretty much all 8bit micros? I find myself
routinely having a (hopefully) well thought out set of global variables,
which in this form in general I wouldn't use when programming PC or server
software.

Gerhard

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