piclist 2008\07\11\085429a >
Thread: Will 'btfss RXREG, n' make 16F628 USART RGREG as read?
face picon face BY : email (remove spam text)(Olin Lathrop)

Pekka Siiskonen wrote:
> With PIC16F628 is it possible to test a bit from the RXREG first and
> after that mov the very same data byte, or will testing of a bit be
> considered as reading the register and clearing it to make space for
> the next in the pipeline?

I'd be very surprised if a BTFSx wasn't considered reading the register.

Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products
(978) 742-9014.  Gold level PIC consultants since 2000.
<023801c8e355$9287ae70$0300a8c0@main> 7bit

See also: www.piclist.com/techref/microchip/ios.htm?key=usart
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Subject (change) Will 'btfss RXREG, n' make 16F628 USART RGREG as read?

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