Walter,

    When I program something like this to set the TRIS register, the MPC
generates
a syntax error, file not found.

#include<12c508.h>
void main(void)
{

     __TRIS(0x01,GPIO);

}

I probably do something wrong but I have no idea what it is.
Hope you or someone else can help me.

Kees.

----------------separator------------------------------------------

Van: Walter Banks <walter@BYTECRAFT.COM>
Aan: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Datum: woensdag 10 december 1997 15:43
Onderwerp: Re: 12C508 & C-programming


>MPC will generate the correct code when setting the
>TRIS register. It can be accessed with the __TRIS maco
>in the header files or through the standardized embedded
>libray port initialization.
>
>Walter Banks
>
>
>----------
>> From: Kees van Bruggen <bru@DDS.NL>
>> To: PICLIST@MITVMA.MIT.EDU
>> Subject: 12C508 & C-programming
>> Date: Tuesday, December 09, 1997 4:13 PM
>> When I program the I/O ports is assembly I use the TRIS instruction
>>  to set the data direction of the pins. I am wondering how I should
>> do this in C because there is no actual TRIS register.