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WSJT-X/lib/77bit/packjt77.f90

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module packjt77
! These variables are accessible from outside via "use packjt77":
parameter (MAXHASH=1000,MAXRECENT=10)
character*13 callsign(MAXHASH)
integer ihash10(MAXHASH),ihash12(MAXHASH),ihash22(MAXHASH)
integer n28a,n28b,nzhash
character*13 recent_calls(MAXRECENT)
contains
subroutine hash10(n10,c13)
character*13 c13
c13='<...>'
do i=1,nzhash
if(ihash10(i).eq.n10) then
c13=callsign(i)
c13='<'//trim(c13)//'>'//' '
go to 900
endif
enddo
900 return
end subroutine hash10
subroutine hash12(n12,c13)
character*13 c13
c13='<...>'
do i=1,nzhash
if(ihash12(i).eq.n12) then
c13=callsign(i)
c13='<'//trim(c13)//'>'//' '
go to 900
endif
enddo
900 return
end subroutine hash12
subroutine hash22(n22,c13)
character*13 c13
c13='<...>'
do i=1,nzhash
if(ihash22(i).eq.n22) then
c13=callsign(i)
c13='<'//trim(c13)//'>'//' '
go to 900
endif
enddo
900 return
end subroutine hash22
integer function ihashcall(c0,m)
integer*8 n8
character*13 c0
character*38 c
data c/' 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ/'/
n8=0
do i=1,11
j=index(c,c0(i:i)) - 1
n8=38*n8 + j
enddo
ihashcall=ishft(47055833459_8*n8,m-64)
return
end function ihashcall
subroutine save_hash_call(c13,n10,n12,n22)
character*13 c13,cw
logical first
data first/.true./
save first
if(first) then
ihash10=-1
ihash12=-1
ihash22=-1
callsign=' '
nzhash=0
first=.false.
endif
cw=c13
if(cw(1:1).eq.' ' .or. cw(1:5).eq.'<...>') return
if(cw(1:1).eq.'<') cw=cw(2:)
i=index(cw,'>')
if(i.gt.0) cw(i:)=' '
n10=ihashcall(cw,10)
n12=ihashcall(cw,12)
n22=ihashcall(cw,22)
do i=1,nzhash
if(ihash22(i).eq.n22) go to 900 !This one is already in the table
enddo
! New entry: move table down, making room for new one at the top
ihash10(MAXHASH:2:-1)=ihash10(MAXHASH-1:1:-1)
ihash12(MAXHASH:2:-1)=ihash12(MAXHASH-1:1:-1)
ihash22(MAXHASH:2:-1)=ihash22(MAXHASH-1:1:-1)
! Add the new entry
callsign(MAXHASH:2:-1)=callsign(MAXHASH-1:1:-1)
ihash10(1)=n10
ihash12(1)=n12
ihash22(1)=n22
callsign(1)=cw
if(nzhash.lt.MAXHASH) nzhash=nzhash+1
900 return
end subroutine save_hash_call
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 .or. n3.ge.1) 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
if(nwords.ge.2) go to 100
! 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,i3
1006 format(b23.23,2b24.24,2b3.3)
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
subroutine unpack77(c77,msg,unpk77_success)
parameter (NSEC=84) !Number of ARRL Sections
parameter (NUSCAN=65) !Number of US states and Canadian provinces
parameter (MAXGRID4=32400)
integer*8 n58
integer ntel(3)
character*77 c77
character*37 msg
character*13 call_1,call_2,call_3
character*11 c11
character*3 crpt,cntx
character*3 cmult(NUSCAN)
character*6 cexch,grid6
character*4 grid4,cserial
character*3 csec(NSEC)
character*38 c
logical unpk28_success,unpk77_success
data c/' 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ/'/
data csec/ &
"AB ","AK ","AL ","AR ","AZ ","BC ","CO ","CT ","DE ","EB ", &
"EMA","ENY","EPA","EWA","GA ","GTA","IA ","ID ","IL ","IN ", &
"KS ","KY ","LA ","LAX","MAR","MB ","MDC","ME ","MI ","MN ", &
"MO ","MS ","MT ","NC ","ND ","NE ","NFL","NH ","NL ","NLI", &
"NM ","NNJ","NNY","NT ","NTX","NV ","OH ","OK ","ONE","ONN", &
"ONS","OR ","ORG","PAC","PR ","QC ","RI ","SB ","SC ","SCV", &
"SD ","SDG","SF ","SFL","SJV","SK ","SNJ","STX","SV ","TN ", &
"UT ","VA ","VI ","VT ","WCF","WI ","WMA","WNY","WPA","WTX", &
"WV ","WWA","WY ","DX "/
data cmult/ &
"AL ","AK ","AZ ","AR ","CA ","CO ","CT ","DE ","FL ","GA ", &
"HI ","ID ","IL ","IN ","IA ","KS ","KY ","LA ","ME ","MD ", &
"MA ","MI ","MN ","MS ","MO ","MT ","NE ","NV ","NH ","NJ ", &
"NM ","NY ","NC ","ND ","OH ","OK ","OR ","PA ","RI ","SC ", &
"SD ","TN ","TX ","UT ","VT ","VA ","WA ","WV ","WI ","WY ", &
"NB ","NS ","QC ","ON ","MB ","SK ","AB ","BC ","NWT","NF ", &
"LB ","NU ","YT ","PEI","DC "/
unpk77_success=.true.
! Check for bad data
do i=1,77
if(c77(i:i).ne.'0' .and. c77(i:i).ne.'1') then
msg='failed unpack'
unpk77_success=.false.
return
endif
enddo
read(c77(72:77),'(2b3)') n3,i3
msg=repeat(' ',37)
if(i3.eq.0 .and. n3.eq.0) then
! 0.0 Free text
call unpacktext77(c77(1:71),msg(1:13))
msg(14:)=' '
msg=adjustl(msg)
else if(i3.eq.0 .and. n3.eq.1) then
! 0.1 K1ABC RR73; W9XYZ <KH1/KH7Z> -11 28 28 10 5 71 DXpedition Mode
read(c77,1010) n28a,n28b,n10,n5
1010 format(2b28,b10,b5)
irpt=2*n5 - 30
write(crpt,1012) irpt
1012 format(i3.2)
if(irpt.ge.0) crpt(1:1)='+'
call unpack28(n28a,call_1,unpk28_success)
if(.not.unpk28_success .or. n28a.le.2) unpk77_success=.false.
call unpack28(n28b,call_2,unpk28_success)
if(.not.unpk28_success .or. n28b.le.2) unpk77_success=.false.
call hash10(n10,call_3)
if(call_3(1:1).eq.'<') then
msg=trim(call_1)//' RR73; '//trim(call_2)//' '//trim(call_3)// &
' '//crpt
else
msg=trim(call_1)//' RR73; '//trim(call_2)//' <'//trim(call_3)// &
'> '//crpt
endif
else if(i3.eq.0 .and. n3.eq.2) then
! 0.2 PA3XYZ/P R 590003 IO91NP 28 1 1 3 12 25 70 EU VHF contest
read(c77,1020) n28a,ip,ir,irpt,iserial,igrid6
1020 format(b28,2b1,b3,b12,b25)
call unpack28(n28a,call_1,unpk28_success)
if(.not.unpk28_success .or. n28a.le.2) unpk77_success=.false.
nrs=52+irpt
if(ip.eq.1) call_1=trim(call_1)//'/P'//' '
write(cexch,1022) nrs,iserial
1022 format(i2,i4.4)
n=igrid6
j1=n/(18*10*10*24*24)
n=n-j1*18*10*10*24*24
j2=n/(10*10*24*24)
n=n-j2*10*10*24*24
j3=n/(10*24*24)
n=n-j3*10*24*24
j4=n/(24*24)
n=n-j4*24*24
j5=n/24
j6=n-j5*24
grid6(1:1)=char(j1+ichar('A'))
grid6(2:2)=char(j2+ichar('A'))
grid6(3:3)=char(j3+ichar('0'))
grid6(4:4)=char(j4+ichar('0'))
grid6(5:5)=char(j5+ichar('A'))
grid6(6:6)=char(j6+ichar('A'))
msg=trim(call_1)//' '//cexch//' '//grid6
if(ir.eq.1) msg=trim(call_1)//' R '//cexch//' '//grid6
else if(i3.eq.0 .and. (n3.eq.3 .or. n3.eq.4)) then
! 0.3 WA9XYZ KA1ABC R 16A EMA 28 28 1 4 3 7 71 ARRL Field Day
! 0.4 WA9XYZ KA1ABC R 32A EMA 28 28 1 4 3 7 71 ARRL Field Day
read(c77,1030) n28a,n28b,ir,intx,nclass,isec
1030 format(2b28,b1,b4,b3,b7)
if(isec.gt.NSEC .or. isec.lt.1) then
unpk77_success=.false.
isec=1
endif
call unpack28(n28a,call_1,unpk28_success)
if(.not.unpk28_success .or. n28a.le.2) unpk77_success=.false.
call unpack28(n28b,call_2,unpk28_success)
if(.not.unpk28_success .or. n28b.le.2) unpk77_success=.false.
ntx=intx+1
if(n3.eq.4) ntx=ntx+16
write(cntx(1:2),1032) ntx
1032 format(i2)
cntx(3:3)=char(ichar('A')+nclass)
if(ir.eq.0 .and. ntx.lt.10) msg=trim(call_1)//' '//trim(call_2)// &
cntx//' '//csec(isec)
if(ir.eq.1 .and. ntx.lt.10) msg=trim(call_1)//' '//trim(call_2)// &
' R'//cntx//' '//csec(isec)
if(ir.eq.0 .and. ntx.ge.10) msg=trim(call_1)//' '//trim(call_2)// &
' '//cntx//' '//csec(isec)
if(ir.eq.1 .and. ntx.ge.10) msg=trim(call_1)//' '//trim(call_2)// &
' R '//cntx//' '//csec(isec)
else if(i3.eq.0 .and. n3.eq.5) then
! 0.5 0123456789abcdef01 71 71 Telemetry (18 hex)
read(c77,1006) ntel
1006 format(b23,2b24)
write(msg,1007) ntel
1007 format(3z6.6)
do i=1,18
if(msg(i:i).ne.'0') exit
msg(i:i)=' '
enddo
msg=adjustl(msg)
else if(i3.eq.1 .or. i3.eq.2) then
! Type 1 (standard message) or Type 2 ("/P" form for EU VHF contest)
read(c77,1000) n28a,ipa,n28b,ipb,ir,igrid4,i3
1000 format(2(b28,b1),b1,b15,b3)
call unpack28(n28a,call_1,unpk28_success)
if(.not.unpk28_success) unpk77_success=.false.
call unpack28(n28b,call_2,unpk28_success)
if(.not.unpk28_success) unpk77_success=.false.
if(call_1(1:3).eq.'CQ_') call_1(3:3)=' '
if(index(call_1,'<').le.0) then
i=index(call_1,' ')
if(i.ge.4 .and. ipa.eq.1 .and. i3.eq.1) call_1(i:i+1)='/R'
if(i.ge.4 .and. ipa.eq.1 .and. i3.eq.2) call_1(i:i+1)='/P'
if(i.ge.4) call add_call_to_recent_calls(call_1)
endif
if(index(call_2,'<').le.0) then
i=index(call_2,' ')
if(i.ge.4 .and. ipb.eq.1 .and. i3.eq.1) call_2(i:i+1)='/R'
if(i.ge.4 .and. ipb.eq.1 .and. i3.eq.2) call_2(i:i+1)='/P'
if(i.ge.4) call add_call_to_recent_calls(call_2)
endif
if(igrid4.le.MAXGRID4) then
n=igrid4
j1=n/(18*10*10)
n=n-j1*18*10*10
j2=n/(10*10)
n=n-j2*10*10
j3=n/10
j4=n-j3*10
grid4(1:1)=char(j1+ichar('A'))
grid4(2:2)=char(j2+ichar('A'))
grid4(3:3)=char(j3+ichar('0'))
grid4(4:4)=char(j4+ichar('0'))
if(ir.eq.0) msg=trim(call_1)//' '//trim(call_2)//' '//grid4
if(ir.eq.1) msg=trim(call_1)//' '//trim(call_2)//' R '//grid4
else
irpt=igrid4-MAXGRID4
if(irpt.eq.1) msg=trim(call_1)//' '//trim(call_2)
if(irpt.eq.2) msg=trim(call_1)//' '//trim(call_2)//' RRR'
if(irpt.eq.3) msg=trim(call_1)//' '//trim(call_2)//' RR73'
if(irpt.eq.4) msg=trim(call_1)//' '//trim(call_2)//' 73'
if(irpt.ge.5) then
write(crpt,'(i3.2)') irpt-35
if(crpt(1:1).eq.' ') crpt(1:1)='+'
if(ir.eq.0) msg=trim(call_1)//' '//trim(call_2)//' '//crpt
if(ir.eq.1) msg=trim(call_1)//' '//trim(call_2)//' R'//crpt
endif
endif
else if(i3.eq.3) then
! Type 3: ARRL RTTY Contest
read(c77,1040) itu,n28a,n28b,ir,irpt,nexch,i3
1040 format(b1,2b28.28,b1,b3.3,b13.13,b3.3)
write(crpt,1042) irpt+2
1042 format('5',i1,'9')
nserial=nexch
imult=-1
if(nexch.gt.8000) then
imult=nexch-8000
nserial=-1
endif
call unpack28(n28a,call_1,unpk28_success)
if(.not.unpk28_success) unpk77_success=.false.
call unpack28(n28b,call_2,unpk28_success)
if(.not.unpk28_success) unpk77_success=.false.
imult=0
nserial=0
if(nexch.gt.8000) imult=nexch-8000
if(nexch.lt.8000) nserial=nexch
if(imult.ge.1 .and.imult.le.NUSCAN) then
if(itu.eq.0 .and. ir.eq.0) msg=trim(call_1)//' '//trim(call_2)// &
' '//crpt//' '//cmult(imult)
if(itu.eq.1 .and. ir.eq.0) msg='TU; '//trim(call_1)//' '//trim(call_2)// &
' '//crpt//' '//cmult(imult)
if(itu.eq.0 .and. ir.eq.1) msg=trim(call_1)//' '//trim(call_2)// &
' R '//crpt//' '//cmult(imult)
if(itu.eq.1 .and. ir.eq.1) msg='TU; '//trim(call_1)//' '//trim(call_2)// &
' R '//crpt//' '//cmult(imult)
else if(nserial.ge.1 .and. nserial.le.7999) then
write(cserial,'(i4.4)') nserial
if(itu.eq.0 .and. ir.eq.0) msg=trim(call_1)//' '//trim(call_2)// &
' '//crpt//' '//cserial
if(itu.eq.1 .and. ir.eq.0) msg='TU; '//trim(call_1)//' '//trim(call_2)// &
' '//crpt//' '//cserial
if(itu.eq.0 .and. ir.eq.1) msg=trim(call_1)//' '//trim(call_2)// &
' R '//crpt//' '//cserial
if(itu.eq.1 .and. ir.eq.1) msg='TU; '//trim(call_1)//' '//trim(call_2)// &
' R '//crpt//' '//cserial
endif
else if(i3.eq.4) then
read(c77,1050) n12,n58,iflip,nrpt,icq
1050 format(b12,b58,b1,b2,b1)
do i=11,1,-1
j=mod(n58,38)+1
c11(i:i)=c(j:j)
n58=n58/38
enddo
call hash12(n12,call_3)
if(iflip.eq.0) then
call_1=call_3
call_2=adjustl(c11)//' '
else
call_1=adjustl(c11)//' '
call_2=call_3
endif
if(icq.eq.0) then
if(nrpt.eq.0) msg=trim(call_1)//' '//trim(call_2)
if(nrpt.eq.1) msg=trim(call_1)//' '//trim(call_2)//' RRR'
if(nrpt.eq.2) msg=trim(call_1)//' '//trim(call_2)//' RR73'
if(nrpt.eq.3) msg=trim(call_1)//' '//trim(call_2)//' 73'
else
msg='CQ '//trim(call_2)
endif
endif
if(msg(1:4).eq.'CQ <') unpk77_success=.false.
return
end subroutine unpack77
subroutine pack28(c13,n28)
! Pack a special token, a 22-bit hash code, or a valid base call into a 28-bit
! integer.
parameter (NTOKENS=2063592,MAX22=4194304)
logical is_digit,is_letter
character*13 c13
character*6 callsign
character*1 c
character*4 c4
character*37 a1
character*36 a2
character*10 a3
character*27 a4
data a1/' 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'/
data a2/'0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'/
data a3/'0123456789'/
data a4/' ABCDEFGHIJKLMNOPQRSTUVWXYZ'/
is_digit(c)=c.ge.'0' .and. c.le.'9'
is_letter(c)=c.ge.'A' .and. c.le.'Z'
n28=-1
! Work-around for Swaziland prefix:
if(c13(1:4).eq.'3DA0') callsign='3D0'//c13(5:7)
! Work-around for Guinea prefixes:
if(c13(1:2).eq.'3X' .and. c13(3:3).ge.'A' .and. &
c13(3:3).le.'Z') callsign='Q'//c13(3:6)
! Check for special tokens first
if(c13(1:3).eq.'DE ') then
n28=0
go to 900
endif
if(c13(1:4).eq.'QRZ ') then
n28=1
go to 900
endif
if(c13(1:3).eq.'CQ ') then
n28=2
go to 900
endif
if(c13(1:3).eq.'CQ_') then
n=len(trim(c13))
if(n.ge.4 .and. n.le.7) then
nlet=0
nnum=0
do i=4,n
c=c13(i:i)
if(c.ge.'A' .and. c.le.'Z') nlet=nlet+1
if(c.ge.'0' .and. c.le.'9') nnum=nnum+1
enddo
if(nnum.eq.3 .and. nlet.eq.0) then
read(c13(4:3+nnum),*) nqsy
n28=3+nqsy
go to 900
endif
if(nlet.ge.1 .and. nlet.le.4 .and. nnum.eq.0) then
c4=c13(4:n)//' '
c4=adjustr(c4)
m=0
do i=1,4
j=0
c=c4(i:i)
if(c.ge.'A' .and. c.le.'Z') j=ichar(c)-ichar('A')+1
m=27*m + j
enddo
n28=3+1000+m
go to 900
endif
endif
endif
! Check for <...> callsign
if(c13(1:1).eq.'<')then
call save_hash_call(c13,n10,n12,n22) !Save callsign in hash table
n28=NTOKENS + n22
go to 900
endif
! Check for standard callsign
iarea=-1
n=len(trim(c13))
do i=n,2,-1
if(is_digit(c13(i:i))) exit
enddo
iarea=i !Call-area digit
npdig=0 !Digits before call area
nplet=0 !Letters before call area
do i=1,iarea-1
if(is_digit(c13(i:i))) npdig=npdig+1
if(is_letter(c13(i:i))) nplet=nplet+1
enddo
nslet=0
do i=iarea+1,n
if(is_letter(c13(i:i))) nslet=nslet+1
enddo
if(iarea.lt.2 .or. iarea.gt.3 .or. nplet.eq.0 .or. &
npdig.ge.iarea-1 .or. nslet.gt.3) then
! Treat this as a nonstandard callsign: compute its 22-bit hash
call save_hash_call(c13,n10,n12,n22) !Save callsign in hash table
n28=NTOKENS + n22
go to 900
endif
n=len(trim(c13))
! This is a standard callsign
call save_hash_call(c13,n10,n12,n22) !Save callsign in hash table
if(iarea.eq.2) callsign=' '//c13(1:5)
if(iarea.eq.3) callsign=c13(1:6)
i1=index(a1,callsign(1:1))-1
i2=index(a2,callsign(2:2))-1
i3=index(a3,callsign(3:3))-1
i4=index(a4,callsign(4:4))-1
i5=index(a4,callsign(5:5))-1
i6=index(a4,callsign(6:6))-1
n28=36*10*27*27*27*i1 + 10*27*27*27*i2 + 27*27*27*i3 + 27*27*i4 + &
27*i5 + i6
n28=n28 + NTOKENS + MAX22
900 n28=iand(n28,ishft(1,28)-1)
return
end subroutine pack28
subroutine unpack28(n28_0,c13,success)
parameter (NTOKENS=2063592,MAX22=4194304)
logical success
character*13 c13
character*37 c1
character*36 c2
character*10 c3
character*27 c4
data c1/' 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'/
data c2/'0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'/
data c3/'0123456789'/
data c4/' ABCDEFGHIJKLMNOPQRSTUVWXYZ'/
success=.true.
n28=n28_0
if(n28.lt.NTOKENS) then
! Special tokens DE, QRZ, CQ, CQ_nnn, CQ_aaaa
if(n28.eq.0) c13='DE '
if(n28.eq.1) c13='QRZ '
if(n28.eq.2) c13='CQ '
if(n28.le.2) go to 900
if(n28.le.1002) then
write(c13,1002) n28-3
1002 format('CQ_',i3.3)
go to 900
endif
if(n28.le.532443) then
n=n28-1003
n0=n
i1=n/(27*27*27)
n=n-27*27*27*i1
i2=n/(27*27)
n=n-27*27*i2
i3=n/27
i4=n-27*i3
c13=c4(i1+1:i1+1)//c4(i2+1:i2+1)//c4(i3+1:i3+1)//c4(i4+1:i4+1)
c13=adjustl(c13)
c13='CQ_'//c13(1:10)
go to 900
endif
endif
n28=n28-NTOKENS
if(n28.lt.MAX22) then
! This is a 22-bit hash of a callsign
n22=n28
call hash22(n22,c13) !Retrieve callsign from hash table
go to 900
endif
! Standard callsign
n=n28 - MAX22
i1=n/(36*10*27*27*27)
n=n-36*10*27*27*27*i1
i2=n/(10*27*27*27)
n=n-10*27*27*27*i2
i3=n/(27*27*27)
n=n-27*27*27*i3
i4=n/(27*27)
n=n-27*27*i4
i5=n/27
i6=n-27*i5
c13=c1(i1+1:i1+1)//c2(i2+1:i2+1)//c3(i3+1:i3+1)//c4(i4+1:i4+1)// &
c4(i5+1:i5+1)//c4(i6+1:i6+1)//' '
c13=adjustl(c13)
900 i0=index(c13,' ')
if(i0.ne.0 .and. i0.lt.len(trim(c13))) then
c13='QU1RK'
success=.false.
endif
return
end subroutine unpack28
subroutine split77(msg,nwords,nw,w)
! Convert msg to upper case; collapse multiple blanks; parse into words.
character*37 msg
character*13 w(19)
character*1 c,c0
character*6 bcall_1
logical ok1
integer nw(19)
iz=len(trim(msg))
j=0
k=0
n=0
c0=' '
w=' '
do i=1,iz
if(ichar(msg(i:i)).eq.0) msg(i:i)=' '
c=msg(i:i) !Single character
if(c.eq.' ' .and. c0.eq.' ') cycle !Skip leading/repeated blanks
if(c.ne.' ' .and. c0.eq.' ') then
k=k+1 !New word
n=0
endif
j=j+1 !Index in msg
n=n+1 !Index in word
msg(j:j)=c
if(c.ge.'a' .and. c.le.'z') msg(j:j)=char(ichar(c)-32) !Force upper case
if(n.le.13) w(k)(n:n)=c !Copy character c into word
c0=c
enddo
iz=j !Message length
nwords=k !Number of words in msg
if(nwords.le.0) go to 900
nw(k)=len(trim(w(k)))
msg(iz+1:)=' '
if(nwords.lt.3) go to 900
call chkcall(w(3),bcall_1,ok1)
if(ok1 .and. w(1)(1:3).eq.'CQ ') then
w(1)='CQ_'//w(2)(1:10) !Make "CQ " into "CQ_"
w(2:12)=w(3:13) !Move all remeining words down by one
nwords=nwords-1
endif
900 return
end subroutine split77
subroutine pack77_01(nwords,w,i3,n3,c77)
! Pack a Type 0.1 message: DXpedition mode
! Example message: "K1ABC RR73; W9XYZ <KH1/KH7Z> -11" 28 28 10 5
character*13 w(19)
character*77 c77
character*6 bcall_1,bcall_2
logical ok1,ok2
if(nwords.ne.5) go to 900 !Must have 5 words
if(trim(w(2)).ne.'RR73;') go to 900 !2nd word must be "RR73;"
if(w(4)(1:1).ne.'<') go to 900 !4th word must have <...>
if(index(w(4),'>').lt.1) go to 900
n=-99
read(w(5),*,err=1) n
1 if(n.eq.-99) go to 900 !5th word must be a valid report
n5=(n+30)/2
if(n5.lt.0) n5=0
if(n5.gt.31) n5=31
call chkcall(w(1),bcall_1,ok1)
if(.not.ok1) go to 900 !1st word must be a valid basecall
call chkcall(w(3),bcall_2,ok2)
if(.not.ok2) go to 900 !3rd word must be a valid basecall
! Type 0.1: K1ABC RR73; W9XYZ <KH1/KH7Z> -11 28 28 10 5 71 DXpedition Mode
i3=0
n3=1
call pack28(w(1),n28a)
call pack28(w(3),n28b)
call save_hash_call(w(4),n10,n12,n22)
write(c77,1010) n28a,n28b,n10,n5,n3,i3
1010 format(2b28.28,b10.10,b5.5,2b3.3)
900 return
end subroutine pack77_01
subroutine pack77_02(nwords,w,i3,n3,c77)
character*13 w(19),c13
character*77 c77
character*6 bcall_1,grid6
logical ok1,is_grid6
is_grid6(grid6)=len(trim(grid6)).eq.6 .and. &
grid6(1:1).ge.'A' .and. grid6(1:1).le.'R' .and. &
grid6(2:2).ge.'A' .and. grid6(2:2).le.'R' .and. &
grid6(3:3).ge.'0' .and. grid6(3:3).le.'9' .and. &
grid6(4:4).ge.'0' .and. grid6(4:4).le.'9' .and. &
grid6(5:5).ge.'A' .and. grid6(5:5).le.'X' .and. &
grid6(6:6).ge.'A' .and. grid6(6:6).le.'X'
call chkcall(w(1),bcall_1,ok1)
if(.not.ok1) return !bcall_1 must be a valid basecall
if(nwords.lt.3 .or. nwords.gt.4) return !nwords must be 3 or 4
nx=-1
if(nwords.ge.2) read(w(nwords-1),*,err=2) nx
2 if(nx.lt.520001 .or. nx.gt.594095) return !Exchange between 520001 - 594095
if(.not.is_grid6(w(nwords)(1:6))) return !Last word must be a valid grid6
! Type 0.2: PA3XYZ/P R 590003 IO91NP 28 1 1 3 12 25 70 EU VHF contest
i3=0
n3=2
ip=0
c13=w(1)
i=index(w(1),'/P')
if(i.ge.4) then
ip=1
c13=w(1)(1:i-1)//' '
endif
call pack28(c13,n28a)
ir=0
if(w(2)(1:2).eq.'R ') ir=1
irpt=nx/10000 - 52
iserial=mod(nx,10000)
grid6=w(nwords)(1:6)
j1=(ichar(grid6(1:1))-ichar('A'))*18*10*10*24*24
j2=(ichar(grid6(2:2))-ichar('A'))*10*10*24*24
j3=(ichar(grid6(3:3))-ichar('0'))*10*24*24
j4=(ichar(grid6(4:4))-ichar('0'))*24*24
j5=(ichar(grid6(5:5))-ichar('A'))*24
j6=(ichar(grid6(6:6))-ichar('A'))
igrid6=j1+j2+j3+j4+j5+j6
write(c77,1010) n28a,ip,ir,irpt,iserial,igrid6,n3,i3
1010 format(b28.28,2b1,b3.3,b12.12,b25.25,b4.4,b3.3)
return
end subroutine pack77_02
subroutine pack77_03(nwords,w,i3,n3,c77)
! Check 0.3 and 0.4 (ARRL Field Day exchange)
parameter (NSEC=84) !Number of ARRL Sections
character*13 w(19)
character*77 c77
character*6 bcall_1,bcall_2
character*3 csec(NSEC)
logical ok1,ok2
data csec/ &
"AB ","AK ","AL ","AR ","AZ ","BC ","CO ","CT ","DE ","EB ", &
"EMA","ENY","EPA","EWA","GA ","GTA","IA ","ID ","IL ","IN ", &
"KS ","KY ","LA ","LAX","MAR","MB ","MDC","ME ","MI ","MN ", &
"MO ","MS ","MT ","NC ","ND ","NE ","NFL","NH ","NL ","NLI", &
"NM ","NNJ","NNY","NT ","NTX","NV ","OH ","OK ","ONE","ONN", &
"ONS","OR ","ORG","PAC","PR ","QC ","RI ","SB ","SC ","SCV", &
"SD ","SDG","SF ","SFL","SJV","SK ","SNJ","STX","SV ","TN ", &
"UT ","VA ","VI ","VT ","WCF","WI ","WMA","WNY","WPA","WTX", &
"WV ","WWA","WY ","DX "/
if(nwords.lt.4 .or. nwords.gt.5) return
call chkcall(w(1),bcall_1,ok1)
call chkcall(w(2),bcall_2,ok2)
if(.not.ok1 .or. .not.ok2) return
isec=-1
do i=1,NSEC
if(csec(i).eq.w(nwords)(1:3)) then
isec=i
exit
endif
enddo
if(isec.eq.-1) return
if(nwords.eq.5 .and. trim(w(3)).ne.'R') return
ntx=-1
j=len(trim(w(nwords-1)))-1
read(w(nwords-1)(1:j),*,err=1) ntx !Number of transmitters
1 if(ntx.lt.1 .or. ntx.gt.32) return
nclass=ichar(w(nwords-1)(j+1:j+1))-ichar('A')
m=len(trim(w(nwords))) !Length of section abbreviation
if(m.lt.2 .or. m.gt.3) return
! 0.3 WA9XYZ KA1ABC R 16A EMA 28 28 1 4 3 7 71 ARRL Field Day
! 0.4 WA9XYZ KA1ABC R 32A EMA 28 28 1 4 3 7 71 ARRL Field Day
i3=0
n3=3 !Type 0.3 ARRL Field Day
intx=ntx-1
if(intx.ge.16) then
n3=4 !Type 0.4 ARRL Field Day
intx=ntx-17
endif
call pack28(w(1),n28a)
call pack28(w(2),n28b)
ir=0
if(w(3)(1:2).eq.'R ') ir=1
write(c77,1010) n28a,n28b,ir,intx,nclass,isec,n3,i3
1010 format(2b28.28,b1,b4.4,b3.3,b7.7,2b3.3)
return
end subroutine pack77_03
subroutine pack77_1(nwords,w,i3,n3,c77)
! Check Type 1 (Standard 77-bit message) and Type 2 (ditto, with a "/P" call)
parameter (MAXGRID4=32400)
character*13 w(19),c13
character*77 c77
character*6 bcall_1,bcall_2
character*4 grid4
character c1*1,c2*2
logical is_grid4
logical ok1,ok2
is_grid4(grid4)=len(trim(grid4)).eq.4 .and. &
grid4(1:1).ge.'A' .and. grid4(1:1).le.'R' .and. &
grid4(2:2).ge.'A' .and. grid4(2:2).le.'R' .and. &
grid4(3:3).ge.'0' .and. grid4(3:3).le.'9' .and. &
grid4(4:4).ge.'0' .and. grid4(4:4).le.'9'
if(nwords.lt.2 .or. nwords.gt.4) return
call chkcall(w(1),bcall_1,ok1)
call chkcall(w(2),bcall_2,ok2)
if(w(1)(1:3).eq.'DE ' .or. w(1)(1:3).eq.'CQ_' .or. w(1)(1:3).eq.'CQ ' .or. &
w(1)(1:4).eq.'QRZ ') ok1=.true.
if(w(1)(1:1).eq.'<' .and. index(w(1),'>').ge.5) ok1=.true.
if(w(2)(1:1).eq.'<' .and. index(w(2),'>').ge.5) ok2=.true.
if(.not.ok1 .or. .not.ok2) return
if(w(1)(1:1).eq.'<' .and. index(w(2),'/').gt.0) return
if(w(2)(1:1).eq.'<' .and. index(w(1),'/').gt.0) return
if(nwords.eq.2 .and. (.not.ok2 .or. index(w(2),'/').ge.2)) return
if(nwords.eq.2) go to 10
c1=w(nwords)(1:1)
c2=w(nwords)(1:2)
if(.not.is_grid4(w(nwords)(1:4)) .and. c1.ne.'+' .and. c1.ne.'-' &
.and. c2.ne.'R+' .and. c2.ne.'R-' .and. trim(w(nwords)).ne.'RRR' .and. &
trim(w(nwords)).ne.'RR73' .and. trim(w(nwords)).ne.'73') return
if(c1.eq.'+' .or. c1.eq.'-') then
ir=0
read(w(nwords),*,err=900) irpt
irpt=irpt+35
else if(c2.eq.'R+' .or. c2.eq.'R-') then
ir=1
read(w(nwords)(2:),*) irpt
irpt=irpt+35
else if(trim(w(nwords)).eq.'RRR') then
ir=0
irpt=2
else if(trim(w(nwords)).eq.'RR73') then
ir=0
irpt=3
else if(trim(w(nwords)).eq.'73') then
ir=0
irpt=4
endif
! 1 WA9XYZ/R KA1ABC/R R FN42 28 1 28 1 1 15 74 Standard msg
! 2 PA3XYZ/P GM4ABC/P R JO22 28 1 28 1 1 15 74 EU VHF contest
10 if(nwords.eq.2 .or. nwords.eq.3 .or. (nwords.eq.4 .and. &
w(3)(1:2).eq.'R ')) then
n3=0
i3=1 !Type 1: Standard message, possibly with "/R"
if(index(w(1),'/P').ge.4 .or. index(w(2),'/P').ge.4) i3=2 !Type 2, with "/P"
endif
c13=bcall_1//' '
if(c13(1:3).eq.'CQ_' .or. w(1)(1:1).eq.'<') c13=w(1)
call pack28(c13,n28a)
c13=bcall_2//' '
if(w(2)(1:1).eq.'<') c13=w(2)
call pack28(c13,n28b)
ipa=0
ipb=0
if(index(w(1),'/P').ge.4 .or. index(w(1),'/R').ge.4) ipa=1
if(index(w(2),'/P').ge.4 .or. index(w(2),'/R').ge.4) ipb=1
grid4=w(nwords)(1:4)
if(is_grid4(grid4)) then
ir=0
if(w(3).eq.'R ') ir=1
j1=(ichar(grid4(1:1))-ichar('A'))*18*10*10
j2=(ichar(grid4(2:2))-ichar('A'))*10*10
j3=(ichar(grid4(3:3))-ichar('0'))*10
j4=(ichar(grid4(4:4))-ichar('0'))
igrid4=j1+j2+j3+j4
else
igrid4=MAXGRID4 + irpt
endif
if(nwords.eq.2) then
ir=0
irpt=1
igrid4=MAXGRID4+irpt
endif
write(c77,1000) n28a,ipa,n28b,ipb,ir,igrid4,i3
1000 format(2(b28.28,b1),b1,b15.15,b3.3)
return
900 return
end subroutine pack77_1
subroutine pack77_3(nwords,w,i3,n3,c77)
! Check Type 2 (ARRL RTTY contest exchange)
!ARRL RTTY - US/Can: rpt state/prov R 579 MA
! - DX: rpt serial R 559 0013
parameter (NUSCAN=65) !Number of US states and Canadian provinces/territories
character*13 w(19)
character*77 c77
character*6 bcall_1,bcall_2
character*3 cmult(NUSCAN),mult
character crpt*3
logical ok1,ok2
data cmult/ &
"AL ","AK ","AZ ","AR ","CA ","CO ","CT ","DE ","FL ","GA ", &
"HI ","ID ","IL ","IN ","IA ","KS ","KY ","LA ","ME ","MD ", &
"MA ","MI ","MN ","MS ","MO ","MT ","NE ","NV ","NH ","NJ ", &
"NM ","NY ","NC ","ND ","OH ","OK ","OR ","PA ","RI ","SC ", &
"SD ","TN ","TX ","UT ","VT ","VA ","WA ","WV ","WI ","WY ", &
"NB ","NS ","QC ","ON ","MB ","SK ","AB ","BC ","NWT","NF ", &
"LB ","NU ","YT ","PEI","DC "/
if(nwords.eq.4 .or. nwords.eq.5 .or. nwords.eq.6) then
i1=1
if(trim(w(1)).eq.'TU;') i1=2
call chkcall(w(i1),bcall_1,ok1)
call chkcall(w(i1+1),bcall_2,ok2)
if(.not.ok1 .or. .not.ok2) go to 900
crpt=w(nwords-1)(1:3)
if(crpt(1:1).eq.'5' .and. crpt(2:2).ge.'2' .and. crpt(2:2).le.'9' .and. &
crpt(3:3).eq.'9') then
nserial=0
read(w(nwords),*,err=1) nserial
!1 i3=3
! n3=0
endif
1 mult=' '
imult=-1
do i=1,NUSCAN
if(cmult(i).eq.w(nwords)) then
imult=i
mult=cmult(i)
exit
endif
enddo
nexch=0
if(nserial.gt.0) nexch=nserial
if(imult.gt.0) nexch=8000+imult
if(mult.ne.' ' .or. nserial.gt.0) then
i3=3
n3=0
itu=0
if(trim(w(1)).eq.'TU;') itu=1
call pack28(w(1+itu),n28a)
call pack28(w(2+itu),n28b)
ir=0
if(w(3+itu)(1:2).eq.'R ') ir=1
read(w(3+itu+ir),*,err=900) irpt
irpt=(irpt-509)/10 - 2
if(irpt.lt.0) irpt=0
if(irpt.gt.7) irpt=7
! 3 TU; W9XYZ K1ABC R 579 MA 1 28 28 1 3 13 74 ARRL RTTY contest
! 3 TU; W9XYZ G8ABC R 559 0013 1 28 28 1 3 13 74 ARRL RTTY (DX)
write(c77,1010) itu,n28a,n28b,ir,irpt,nexch,i3
1010 format(b1,2b28.28,b1,b3.3,b13.13,b3.3)
endif
endif
900 return
end subroutine pack77_3
subroutine pack77_4(nwords,w,i3,n3,c77)
! Check Type 3 (One nonstandard call and one hashed call)
integer*8 n58
logical ok1,ok2
character*13 w(19)
character*77 c77
character*13 call_1,call_2
character*11 c11
character*6 bcall_1,bcall_2
character*38 c
data c/' 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ/'/
iflip=0
i3=-1
if(nwords.eq.2 .or. nwords.eq.3) then
call_1=w(1)
if(call_1(1:1).eq.'<') call_1=w(1)(2:len(trim(w(1)))-1)
call_2=w(2)
if(call_2(1:1).eq.'<') call_2=w(2)(2:len(trim(w(2)))-1)
call chkcall(call_1,bcall_1,ok1)
call chkcall(call_2,bcall_2,ok2)
icq=0
if(trim(w(1)).eq.'CQ' .or. (ok1.and.ok2)) then
if(trim(w(1)).eq.'CQ' .and. len(trim(w(2))).le.4) go to 900
i3=4
n3=0
if(trim(w(1)).eq.'CQ') icq=1
endif
if(icq.eq.1) then
iflip=0
n12=0
c11=adjustr(call_2(1:11))
call save_hash_call(w(2),n10,n12,n22)
else if(w(1)(1:1).eq.'<') then
iflip=0
i3=4
call save_hash_call(w(1),n10,n12,n22)
c11=adjustr(call_2(1:11))
else if(w(2)(1:1).eq.'<') then
iflip=1
i3=4
call save_hash_call(w(2),n10,n12,n22)
c11=adjustr(call_1(1:11))
endif
n58=0
do i=1,11
n58=n58*38 + index(c,c11(i:i)) - 1
enddo
nrpt=0
if(trim(w(3)).eq.'RRR') nrpt=1
if(trim(w(3)).eq.'RR73') nrpt=2
if(trim(w(3)).eq.'73') nrpt=3
if(icq.eq.1) then
iflip=0
nrpt=0
endif
write(c77,1010) n12,n58,iflip,nrpt,icq,i3
1010 format(b12.12,b58.58,b1,b2.2,b1,b3.3)
do i=1,77
if(c77(i:i).eq.'*') c77(i:i)='0' !### Clean up any illegal chars ###
enddo
endif
900 return
end subroutine pack77_4
subroutine packtext77(c13,c71)
character*13 c13,w
character*71 c71
character*42 c
character*1 qa(10),qb(10)
data c/' 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ+-./?'/
call mp_short_init
qa=char(0)
w=adjustr(c13)
do i=1,13
j=index(c,w(i:i))-1
if(j.lt.0) j=0
call mp_short_mult(qb,qa(2:10),9,42) !qb(1:9)=42*qa(2:9)
call mp_short_add(qa,qb(2:10),9,j) !qa(1:9)=qb(2:9)+j
enddo
write(c71,1010) qa(2:10)
1010 format(b7.7,8b8.8)
return
end subroutine packtext77
subroutine unpacktext77(c71,c13)
integer*1 ia(10)
character*1 qa(10),qb(10)
character*13 c13
character*71 c71
character*42 c
equivalence (qa,ia),(qb,ib)
data c/' 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ+-./?'/
qa(1)=char(0)
read(c71,1010) qa(2:10)
1010 format(b7.7,8b8.8)
do i=13,1,-1
call mp_short_div(qb,qa(2:10),9,42,ir)
c13(i:i)=c(ir+1:ir+1)
qa(2:10)=qb(1:9)
enddo
return
end subroutine unpacktext77
subroutine mp_short_ops(w,u)
character*1 w(*),u(*)
integer i,ireg,j,n,ir,iv,ii1,ii2
character*1 creg(4)
save ii1,ii2
equivalence (ireg,creg)
entry mp_short_init
ireg=256*ichar('2')+ichar('1')
do j=1,4
if (creg(j).eq.'1') ii1=j
if (creg(j).eq.'2') ii2=j
enddo
return
entry mp_short_add(w,u,n,iv)
ireg=256*iv
do j=n,1,-1
ireg=ichar(u(j))+ichar(creg(ii2))
w(j+1)=creg(ii1)
enddo
w(1)=creg(ii2)
return
entry mp_short_mult(w,u,n,iv)
ireg=0
do j=n,1,-1
ireg=ichar(u(j))*iv+ichar(creg(ii2))
w(j+1)=creg(ii1)
enddo
w(1)=creg(ii2)
return
entry mp_short_div(w,u,n,iv,ir)
ir=0
do j=1,n
i=256*ir+ichar(u(j))
w(j)=char(i/iv)
ir=mod(i,iv)
enddo
return
return
end subroutine mp_short_ops
subroutine add_call_to_recent_calls(callsign)
character*13 callsign
logical ladd
! only add if the callsign is not already on the list
ladd=.true.
do i=1,MAXRECENT-1 ! if callsign is at the end of the list add it again
if(recent_calls(i).eq.callsign) ladd=.false.
enddo
if(ladd) then
do i=MAXRECENT,2,-1
recent_calls(i)=recent_calls(i-1)
enddo
recent_calls(1)=callsign
endif
return
end subroutine add_call_to_recent_calls
end module packjt77
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