WSJT-X/lib/77bit/pack77.f90

68 lines
1.6 KiB
Fortran

subroutine pack77(msg0,i3,n3,c77)
use packjt
character*37 msg,msg0
character*18 c18
character*13 w(19)
character*77 c77
integer nw(19)
integer ntel(3)
msg=msg0
if(i3.eq.0 .and. n3.eq.5) go to 5
! Convert msg to upper case; collapse multiple blanks; parse into words.
call split77(msg,nwords,nw,w)
i3=-1
n3=-1
if(msg(1:3).eq.'CQ ' .or. msg(1:3).eq.'DE ' .or. msg(1:4).eq.'QRZ ') go to 100
! Check 0.1 (DXpedition mode)
call pack77_01(nwords,w,i3,n3,c77)
if(i3.ge.0) go to 900
! Check 0.2 (EU VHF contest exchange)
call pack77_02(nwords,w,i3,n3,c77)
if(i3.ge.0) go to 900
! Check 0.3 and 0.4 (ARRL Field Day exchange)
call pack77_03(nwords,w,i3,n3,c77)
if(i3.ge.0) go to 900
! Check 0.5 (telemetry)
5 i0=index(msg,' ')
c18=msg(1:i0-1)//' '
c18=adjustr(c18)
ntel=-99
read(c18,1005,err=6) ntel
1005 format(3z6)
if(ntel(1).ge.2**23) go to 800
6 if(ntel(1).ge.0 .and. ntel(2).ge.0 .and. ntel(3).ge.0) then
i3=0
n3=5
write(c77,1006) ntel,n3
1006 format(b23.23,2b24.24,b3.3)
go to 900
endif
! Check Type 1 (Standard 77-bit message) or Type 2, with optional "/P"
100 call pack77_1(nwords,w,i3,n3,c77)
if(i3.ge.0) go to 900
! Check Type 3 (ARRL RTTY contest exchange)
call pack77_3(nwords,w,i3,n3,c77)
if(i3.ge.0) go to 900
! Check Type 4 (One nonstandard call and one hashed call)
call pack77_4(nwords,w,i3,n3,c77)
if(i3.ge.0) go to 900
! It defaults to free text
800 i3=0
n3=0
msg(14:)=' '
call packtext77(msg(1:13),c77(1:71))
write(c77(72:77),'(2b3.3)') n3,i3
900 return
end subroutine pack77