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I was taught if the variable might be changed by OS,hardware, or interrupt routine asynchronous it must be declared as "volatile" !
But reviewing current code base I found no "volatile" variables for H/W but it works well...
My question is: besides using "volatile" variable is there any way to access peripheral device mapped to XDATA ?
For Author n00b help -> I think your post is NOT for this topic, right ?
For other Authors -> I tend to believe what happened to me is bad luck and afterwards I will use volative and _at_ to access memory-mapped devices...
liaoo