Re: ✘nmea.lasttag

[Fred Wright]

On Tue, 7 Apr 2020, Gary E. Miller wrote:
> On Tue, 07 Apr 2020 16:29:26 -0700
> Hal Murray <address@hidden> wrote:
>
> > address@hidden said:
> > > I agree with you that an array will be needed.  But the simple bit
> > > set and test will be gone.  It will have to be some small
> > > functions.
> >
> > Just use a simple array of bytes.  That will cost a few bytes of
> > storage but keep the code simple.
>
> Closer to 64 byes more, but whose counting?  And clearing a 72 byte
> array is more work than zeroing an integer.

It's not that hard to make it an array of bits.  And clearing it is just a 
matter of memset().  If there's any need to test multiple bits at once, 
then basing it on 32-bit elements instead of 8-bit elements would make it 
a bit faster, without complicating anything else.

Fred Wright