WSJT-X/display.F90

175 lines
3.8 KiB
Fortran
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subroutine display(nkeep,ncsmin)
#ifdef CVF
use dfport
#endif
parameter (MAXLINES=500,MX=500)
integer indx(MAXLINES),indx2(MX)
character*81 line(MAXLINES),line2(MX),line3(MAXLINES)
character out*50,cfreq0*3
character*6 callsign,callsign0
character*12 freqcall(100)
character*40 bm2
real freqkHz(MAXLINES)
integer utc(MAXLINES),utc2(MX),utcz
real*8 f0
call cs_lock('display')
ftol=0.02
rewind 26
do i=1,MAXLINES
read(26,1010,end=10) line(i)
1010 format(a80)
read(line(i),1020) f0,ndf,nh,nm
1020 format(f7.3,i5,26x,i3,i2)
utc(i)=60*nh + nm
freqkHz(i)=1000.d0*(f0-144.d0) + 0.001d0*ndf
enddo
10 nz=i-1
utcz=utc(nz)
nz=nz-1
if(nz.lt.1) go to 999
nquad=max(nkeep/4,3)
do i=1,nz
nage=utcz-utc(i)
if(nage.lt.0) nage=nage+1440
iage=(nage/nquad) + 1
if(nage.le.1) iage=0
write(line(i)(78:81),1021) iage
1021 format(i4)
enddo
nage=utcz-utc(1)
if(nage.lt.0) nage=nage+1440
if(nage.gt.nkeep) then
do i=1,nz
nage=utcz-utc(i)
if(nage.lt.0) nage=nage+1440
if(nage.le.nkeep) go to 20
enddo
20 i0=i
nz=nz-i0+1
rewind 26
if(nz.lt.1) go to 999
do i=1,nz
j=i+i0-1
line(i)=line(j)
utc(i)=utc(j)
freqkHz(i)=freqkHz(j)
write(26,1010) line(i)
enddo
endif
call flushqqq(26)
call indexx(nz,freqkHz,indx)
nstart=1
k3=0
k=1
m=indx(1)
if(m.lt.1 .or. m.gt.MAXLINES) then
print*,'Error in display.F90: ',nz,m
m=1
endif
line2(1)=line(m)
utc2(1)=utc(m)
do i=2,nz
j0=indx(i-1)
j=indx(i)
if(freqkHz(j)-freqkHz(j0).gt.ftol) then
if(nstart.eq.0) then
k=k+1
line2(k)=""
utc2(k)=-1
endif
kz=k
if(nstart.eq.1) then
call indexx(kz,utc2,indx2)
k3=0
do k=1,kz
k3=k3+1
line3(k3)=line2(indx2(k))
enddo
nstart=0
else
call indexx(kz,utc2,indx2)
do k=1,kz
k3=k3+1
line3(k3)=line2(indx2(k))
enddo
endif
k=0
endif
if(i.eq.nz) then
k=k+1
line2(k)=""
utc2(k)=-1
endif
k=k+1
line2(k)=line(j)
utc2(k)=utc(j)
j0=j
enddo
kz=k
call indexx(kz,utc2,indx2)
do k=1,kz
k3=k3+1
line3(k3)=line2(indx2(k))
enddo
rewind 19
rewind 20
cfreq0=' '
nc=0
callsign0=' '
do k=1,k3
out=line3(k)(5:12)//line3(k)(28:31)//line3(k)(39:43)// &
line3(k)(35:38)//line3(k)(44:67)//line3(k)(77:81)
if(out(1:3).ne.' ') then
if(out(1:3).eq.cfreq0) then
out(1:3)=' '
else
cfreq0=out(1:3)
endif
write(19,1030) out
1030 format(a50)
i1=index(out(24:),' ')
callsign=out(i1+24:)
i2=index(callsign,' ')
if(i2.gt.1) callsign(i2:)=' '
if(callsign.ne.' ' .and. callsign.ne.callsign0) then
len=i2-1
if(len.lt.0) len=6
if(len.ge.ncsmin) then !Omit short "callsigns"
nc=nc+1
freqcall(nc)=cfreq0//' '//callsign//line3(k)(80:81)
callsign0=callsign
endif
endif
if(callsign.ne.' ' .and. callsign.eq.callsign0) then
freqcall(nc)=cfreq0//' '//callsign//line3(k)(80:81)
endif
endif
enddo
call flushqqq(19)
nc=nc+1
freqcall(nc)=' '
nc=nc+1
freqcall(nc)=' '
freqcall(nc+1)=' '
freqcall(nc+2)=' '
iz=(nc+2)/3
do i=1,iz
bm2=freqcall(i)//' '//freqcall(i+iz)//' '//freqcall(i+2*iz)
write(20,1040) bm2
1040 format(a40)
enddo
call flushqqq(20)
999 continue
call cs_unlock
return
end subroutine display