Hi to all,
I see this example code in some body else's design and I
do not clearly understand the meaning of " movlw _A-CDS "
or movlw _B-CDS. Since _A, _B and CDS are labels what is the purpose of
each other . can some body explain more about this.
The _A-CDS gives the offset of A from CDS. It's used to add
the offset of _A onto the PC to get the correct place to return the
data. Used in a routine to output data to an lcd here by the looks
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