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8073acae1f
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4936 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
37 lines
965 B
Fortran
37 lines
965 B
Fortran
subroutine decode65b(s2,nflip,mode65,nqd,nbmkv,nhist,decoded)
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real s2(66,126)
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real s3(64,63)
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logical first,ltext
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character decoded*22
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common/prcom/pr(126),mdat(126),mref(126,2),mdat2(126),mref2(126,2)
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data first/.true./
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save
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if(first) call setup65
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first=.false.
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do j=1,63
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k=mdat(j) !Points to data symbol
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if(nflip.lt.0) k=mdat2(j)
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do i=1,64
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s3(i,j)=s2(i+2,k)
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enddo
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k=mdat2(j) !Points to data symbol
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if(nflip.lt.0) k=mdat(j)
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enddo
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nadd=mode65
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call extract(s3,nadd,nqd,ncount,nhist,decoded,ltext,nbmkv) !Extract message
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! Suppress "birdie messages" and other garbage decodes:
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if(decoded(1:7).eq.'000AAA ') ncount=-1
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if(decoded(1:7).eq.'0L6MWK ') ncount=-1
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if(nflip.lt.0 .and. ltext) ncount=-1
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if(ncount.lt.0) then
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nbmkv=0
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decoded=' '
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endif
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return
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end subroutine decode65b
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