Dwayne,

Any special reason you just don't want to write directly to the TRISx=20
register?  The old TRIS command was really only meant for the baseline=20
stuff, where 5 - 7 are ports A - C.  Not being critical here, just curious.

Bill


On 3/6/2017 2:13 PM, Dwayne Reid wrote:
> Hi there, Richard.
>
> I'll give this a try.
>
> I must confess: when I saw that the TRIS operands of 5..7 didn't
> match up with the actual register addresses of 0x0C..0x0E, I stopped
> and didn't give it a try.
>
> My code does things like:
>
>       movlw  b'0011001100'
>       tris   RA
>
> where RA is defined as the address of port register RA
>
> The assembler complained that address 0x0C wasn't in the range of 5..7
>
> I guess that what you are saying is that the TRIS operand doesn't
> have to match the port register address.  I'll give that a try.
>
> I'll let you know how the actual chip behaves.
>
> Many thanks!
>
> dwayne
>
>
> At 02:23 AM 3/5/2017, Richard wrote:
>
>> Dwayne,
>>
>> I tried that with MPLAB IDE v8.85 (uses mpasmwin.exe v5.45) and it
>> worked okay.
>>
>> The test code I used is:
>>
>> #include    "p16f1782.inc"
>>
>>       MOVLW   B'00111000' ;Set RA<5:3> as inputs
>>       TRIS    5                           ;set TRISA to value in W
>>       end
>>
>> Build was successful and simulator showed expected results.
>>
>> Richard
>

--=20
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