Exactly *what* was unclear from page 349 in the XC8 manual !?

Your question make be believe that you never bothered to
check page 349 (or anything else in the manual, I guess).

Good luck.


=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
Synopsis
 #include <xc.h>
 NOP();
Description
 Execute NOP instruction here. This is often useful to fine tune delays or
 create a handle for breakpoints. The NOP instruction is sometimes required
 during some sensitive sequences in hardware.

Example
#include <xc.h>
 void crude_delay(unsigned char x) {
 while(x--){
  NOP(); /* Do nothing for 3 cycles */
  NOP();
  NOP();
 }
}
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D


Jan-Erik.
=20


-----Ursprungligt meddelande-----
Fr=E5n: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] F=F6r Rich=
ard
R. Pope
Skickat: den 20 oktober 2015 16:49
Till: Microcontroller discussion list - Public. <piclist@mit.edu>
=C4mne: Re: SV: SV: SV: [PIC]: Trying to get a 16F877A to talk to an LCD!

Jan-Erik,
     If I understand this correctly I would use #asm NOP and then NOP; wher=
e
ever I want them??
Thanks,
rich!

On 10/20/2015 9:43 AM, Jan-Erik S=F6derholm wrote:
> OK, fine... :-)
>
> So I guess you have found the NOP() function now.
>
> Just put 3-4 around your commands that manipulates the RAx pins and=20
> you should be safe in that regard at least.
>
> Jan-Erik.
>
> -----Ursprungligt meddelande-----
> Fr=E5n: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] F=F6r=20
> Richard R. Pope
> Skickat: den 20 oktober 2015 16:32
> Till: Microcontroller discussion list - Public. <piclist@mit.edu>
> =C4mne: Re: SV: SV: [PIC]: Trying to get a 16F877A to talk to an LCD!
>
> Jan-Erik,
>       I will do that. I have spent many hours trying to figure this=20
> out before I posted this on the PICList. The PICList is always a=20
> resource of last resort. I am very frustrated and lost at this point.=20
> My self esteem is in the garbage can at this point.
> Thanks,
> rich!
>
> On 10/20/2015 9:25 AM, Jan-Erik S=F6derholm wrote:
>>> Any suggestions?
>> Yes, that you **read** your XC8 compiler documentation!
>>
>> In particular sections 3.4.7.1 and page 349.
>>
>> It wouldn't hurt either if you tried a little harder.
>>   =20
>> Jan-Erik.
>>
>>
>>
>>
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive=20
> View/change your membership options at=20
> http://mailman.mit.edu/mailman/listinfo/piclist
>
>


--
Richard R. Pope
President
Reedsburg Area Model Railroad Club, RAMRC
1230 19th Street #5
Reedsburg, WI 53959
608-768-7448
mechanic_2@charter.net

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