WSJT-X/decode65b.f

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subroutine decode65b(s2,flip,mycall,hiscall,hisgrid,neme,ndepth,
+ nqd,nkv,nhist,qual,decoded)
real s2(256,126)
real s3(64,63)
logical first,ltext
character decoded*22,deepmsg*22
character mycall*12,hiscall*12,hisgrid*6
! include 'avecom.h'
include 'prcom.h'
data first/.true./
save
if(first) call setup65
first=.false.
call setup65
do j=1,63
k=mdat(j) !Points to data symbol
if(flip.lt.0.0) k=mdat2(j)
do i=1,64
s3(i,j)=s2(i+2,k) !### Check the "i+2" ###
enddo
enddo
mode65=2
nadd=mode65
call extract(s3,nadd,ncount,nhist,decoded,ltext) !Extract the message
C Suppress "birdie messages" and other garbage decodes:
if(decoded(1:7).eq.'000AAA ') ncount=-1
if(decoded(1:7).eq.'0L6MWK ') ncount=-1
if(flip.lt.0.0 .and. ltext) ncount=-1
nkv=1
if(ncount.lt.0) then
nkv=0
decoded=' '
endif
qual=0.
! if(nkv.eq.0) then
if(ndepth.ge.1) call deep65(s3,mode65,neme,
+ flip,mycall,hiscall,hisgrid,deepmsg,qual)
if(nqd.ne.1 .and. qual.lt.10.0) qual=0.0
C Save symbol spectra for possible decoding of average.
! do j=1,63
! k=mdat(j)
! if(flip.lt.0.0) k=mdat2(j)
! call move(s2(8,k),ppsave(1,j,nsave),64)
! enddo
! endif
if(nkv.eq.0 .and. qual.ge.1.0) decoded=deepmsg
return
end