Re: How to use PCE?

The MCON register requires TIMED ACCESS for writes (move MCON,x/pop MCON).

See http://pdfserv.maxim-ic.com/arpdf/DS80C390.pdf ,

page 21.

vlunven-tUm0VErj3DBWj0EZb7rXcA@xxxxxxxxxxxxxxxx wrote:
> Hello,
>
> I'm using sdcc and I'm trying to use PCE0 and PCE1 port on tini. 
>
> my code doesn't work, please help me...
>
> xdata at 0x00100000 ppib1;
>
> main()
> {
>   int i=0;
>   for (i=0; i<65535; i++)
>   {
>     _asm
>     push _MCON
>     mov a,_MCON
>     anl a,#0xF0
>     mov _MCON,a
>     _endasm;
>
>     ppib1=0x90;
>     _asm
>     pop _MCON
>     _endasm;
>   }
> }
>
> Thanks
> Vincent.



--
Tom Chenot
Dallas Semiconductor
http://www.dalsemi.com
--

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