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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@2635 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
31 lines
501 B
Fortran
31 lines
501 B
Fortran
subroutine entail(dgen,data0)
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! Move 72-bit packed data from 6-bit to 8-bit symbols and add a zero tail.
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integer dgen(13)
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integer*1 data0(13)
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i4=0
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k=0
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m=0
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do i=1,12
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n=dgen(i)
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do j=1,6
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k=k+1
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i4=i4+i4+iand(1,ishft(n,j-6))
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i4=iand(i4,255)
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if(k.eq.8) then
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m=m+1
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if(i4.gt.127) i4=i4-256
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data0(m)=i4
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k=0
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endif
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enddo
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enddo
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do m=10,13
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data0(m)=0
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enddo
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return
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end subroutine entail
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