>This is how I do it:=0D
> =0D
>The C-code:=0D
>portD ^=3D 0x03;=0D
> =0D
>The generated assembler:=0D
>movlw 3=0D
>xorwf H'F83'=0D
> =0D
>So, I was already using his samplecode. PortD is never read.=0D
=0D
xorwf is a READ-modify-write instruction. So PORTD is read every time you
negate those pins.=0D
=0D
However, you shouldnt be using PORTD, but LATD register. When reading POR=
TD
on PIC18's the pin status will be returned. So, you may get your data
corrupted. When reading LATD the last written data is returned.=0D
=0D
Try the following:=0D
=0D
LATD^=3D0x03;=0D
=0D
or, assembly:=0D
=0D
movlw 0x03=0D
xorwf LATD=0D
=0D
This is supposed to work.=0D
=0D
Lucas Hartmann

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