mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-11-04 05:50:31 -05:00
37 lines
961 B
Fortran
37 lines
961 B
Fortran
|
subroutine decode65b(s2,nflip,mode65,nbmkv,nhist,decoded)
|
||
|
|
|
||
|
|
real s2(66,126)
|
||
|
|
real s3(64,63)
|
||
|
|
logical first,ltext
|
||
|
|
character decoded*22
|
||
|
|
common/prcom/pr(126),mdat(126),mref(126,2),mdat2(126),mref2(126,2)
|
||
|
|
data first/.true./
|
||
|
|
save
|
||
|
|
|
||
|
|
if(first) call setup65
|
||
|
|
first=.false.
|
||
|
|
|
||
|
|
do j=1,63
|
||
|
|
k=mdat(j) !Points to data symbol
|
||
|
|
if(nflip.lt.0) k=mdat2(j)
|
||
|
|
do i=1,64
|
||
|
|
s3(i,j)=s2(i+2,k)
|
||
|
|
enddo
|
||
|
|
k=mdat2(j) !Points to data symbol
|
||
|
|
if(nflip.lt.0) k=mdat(j)
|
||
|
|
enddo
|
||
|
|
|
||
|
|
nadd=mode65
|
||
|
|
call extract(s3,nadd,ncount,nhist,decoded,ltext,nbmkv) !Extract the message
|
||
|
|
! Suppress "birdie messages" and other garbage decodes:
|
||
|
|
if(decoded(1:7).eq.'000AAA ') ncount=-1
|
||
|
|
if(decoded(1:7).eq.'0L6MWK ') ncount=-1
|
||
|
|
if(nflip.lt.0 .and. ltext) ncount=-1
|
||
|
|
if(ncount.lt.0) then
|
||
|
|
nbmkv=0
|
||
|
|
decoded=' '
|
||
|
|
endif
|
||
|
|
|
||
|
|
return
|
||
|
|
end subroutine decode65b
|