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disable_interrupts(GLOBAL)

 
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disable_interrupts(GLOBAL)
PostPosted: Mon Oct 12, 2009 1:01 pm     Reply with quote
Why this line?
0008: BTFSC INTCON.GIE ->Why this????

Code:
disable_interrupts(GLOBAL);
*
0004:  BCF    INTCON.PEIE
0006:  BCF    INTCON.GIE
0008:  BTFSC  INTCON.GIE ->Why this????
000A:  BRA    0006
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Mon Oct 12, 2009 1:14 pm     Reply with quote
See example 1, in AN576 from Microchip:
Quote:
Techniques to Disable Global Interrupts

http://ww1.microchip.com/downloads/en/AppNotes/00576b.pdf
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