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https://github.com/saitohirga/WSJT-X.git
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Add utility program ft4code.
This commit is contained in:
Joe Taylor
parent
7d8cdd200c
commit
3397bf49b4
@ -479,6 +479,7 @@ set (wsjt_FSRCS
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lib/ft8/genft8.f90
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lib/ft8/genft8.f90
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lib/genmsk_128_90.f90
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lib/genmsk_128_90.f90
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lib/genmsk40.f90
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lib/genmsk40.f90
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lib/ft4/ft4code.f90
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lib/ft4/genft4.f90
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lib/ft4/genft4.f90
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lib/ft4/gen_ft4wave.f90
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lib/ft4/gen_ft4wave.f90
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lib/ft8/gen_ft8wave.f90
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lib/ft8/gen_ft8wave.f90
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@ -1305,6 +1306,9 @@ target_link_libraries (jt65 wsjt_fort wsjt_cxx)
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add_executable (ft8code lib/ft8/ft8code.f90 wsjtx.rc)
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add_executable (ft8code lib/ft8/ft8code.f90 wsjtx.rc)
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target_link_libraries (ft8code wsjt_fort wsjt_cxx)
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target_link_libraries (ft8code wsjt_fort wsjt_cxx)
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add_executable (ft4code lib/ft4/ft4code.f90 wsjtx.rc)
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target_link_libraries (ft4code wsjt_fort wsjt_cxx)
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add_executable (ft8 lib/ft8.f90 wsjtx.rc)
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add_executable (ft8 lib/ft8.f90 wsjtx.rc)
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target_link_libraries (ft8 wsjt_fort wsjt_cxx)
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target_link_libraries (ft8 wsjt_fort wsjt_cxx)
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50
lib/ft4/ft4_testmsg.f90
Normal file
50
lib/ft4/ft4_testmsg.f90
Normal file
@ -0,0 +1,50 @@
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parameter (MAXTEST=75,NTEST=47)
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character*37 testmsg(MAXTEST)
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data testmsg(1:NTEST)/ &
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"CQ K1ABC FN42", &
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"K1ABC W9XYZ EN37", &
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"W9XYZ K1ABC -11", &
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"K1ABC W9XYZ R-09", &
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"W9XYZ K1ABC RRR", &
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"K1ABC W9XYZ 73", &
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"K1ABC W9XYZ RR73", &
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"CQ KH1/KH7Z", &
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"CQ FD K1ABC FN42", &
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"K1ABC W9XYZ 6A WI", &
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"W9XYZ K1ABC R 2B EMA", &
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"CQ TEST K1ABC/R FN42", &
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"K1ABC/R W9XYZ EN37", &
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"W9XYZ K1ABC/R R FN42", &
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"K1ABC/R W9XYZ RR73", &
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"CQ TEST K1ABC FN42", &
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"K1ABC W9XYZ 579 WI", &
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"W9XYZ K1ABC R 589 MA", &
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"K1ABC KA0DEF 559 MO", &
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"TU; KA0DEF K1ABC R 569 MA", &
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"KA1ABC G3AAA 529 0013", &
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"TU; G3AAA K1ABC R 559 MA", &
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"CQ G4ABC/P IO91", &
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"G4ABC/P PA9XYZ JO22", &
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"PA9XYZ 590003 IO91NP", &
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"G4ABC/P R 570007 JO22DB", &
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"PA9XYZ G4ABC/P RR73", &
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"CQ PJ4/K1ABC", &
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"PJ4/K1ABC <W9XYZ>", &
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"W9XYZ <PJ4/K1ABC> -11", &
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"<PJ4/K1ABC> W9XYZ R-09", &
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"<W9XYZ> PJ4/K1ABC RRR", &
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"PJ4/K1ABC <W9XYZ> 73", &
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"CQ W9XYZ EN37", &
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"<W9XYZ> YW18FIFA", &
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"<YW18FIFA> W9XYZ -11", &
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"W9XYZ <YW18FIFA> R-09", &
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"YW18FIFA <W9XYZ> RRR", &
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"<W9XYZ> YW18FIFA 73", &
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"TNX BOB 73 GL", &
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"CQ YW18FIFA", &
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"<YW18FIFA> KA1ABC", &
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"KA1ABC <YW18FIFA> -11", &
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"<YW18FIFA> KA1ABC R-17", &
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"<KA1ABC> YW18FIFA RR73", &
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"<YW18FIFA> KA1ABC 73", &
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"123456789ABCDEF012"/
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99
lib/ft4/ft4code.f90
Normal file
99
lib/ft4/ft4code.f90
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@ -0,0 +1,99 @@
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program ft4code
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! Provides examples of message packing, LDPC(174,91) encoding, bit and
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! symbol ordering, and other details of the FT8 protocol.
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use packjt77
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include 'ft4_params.f90' !Set various constants
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include 'ft4_testmsg.f90'
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parameter (NWAVE=NN*NSPS)
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character*37 msg,msgsent
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character*77 c77
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character*9 comment
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character bad*1,msgtype*18
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integer itone(NN)
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integer*1 msgbits(77),rvec(77),codeword(174)
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data rvec/0,1,0,0,1,0,1,0,0,1,0,1,1,1,1,0,1,0,0,0,1,0,0,1,1,0,1,1,0, &
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1,0,0,1,0,1,1,0,0,0,0,1,0,0,0,1,0,1,0,0,1,1,1,1,0,0,1,0,1, &
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0,1,0,1,0,1,1,0,1,1,1,1,1,0,0,0,1,0,1/
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! Get command-line argument(s)
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nargs=iargc()
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if(nargs.ne.1 .and. nargs.ne.3) then
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print*
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print*,'Program ft4code: Provides examples of message packing, ', &
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'LDPC(174,91) encoding,'
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print*,'bit and symbol ordering, and other details of the FT4 protocol.'
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print*
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print*,'Usage: ft4code [-c grid] "message" # Results for specified message'
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print*,' ft4code -t # Examples of all message types'
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go to 999
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endif
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call getarg(1,msg) !Message to be transmitted
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if(len(trim(msg)).eq.2 .and. msg(1:2).eq.'-t') then
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nmsg=NTEST
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else
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call fmtmsg(msg,iz) !To upper case; collapse multiple blanks
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nmsg=1
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endif
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write(*,1010)
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1010 format(4x,'Message',31x,'Decoded',29x,'Err i3.n3'/100('-'))
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do imsg=1,nmsg
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if(nmsg.gt.1) msg=testmsg(imsg)
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! Generate msgsent, msgbits, and itone
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i3=-1
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n3=-1
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call pack77(msg,i3,n3,c77)
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call genft4(msg,0,msgsent,msgbits,itone)
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call encode174_91(msgbits,codeword)
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msgtype=""
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if(i3.eq.0) then
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if(n3.eq.0) msgtype="Free text"
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if(n3.eq.1) msgtype="DXpedition mode"
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if(n3.eq.2) msgtype="EU VHF Contest"
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if(n3.eq.3) msgtype="ARRL Field Day"
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if(n3.eq.4) msgtype="ARRL Field Day"
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if(n3.eq.5) msgtype="Telemetry"
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if(n3.ge.6) msgtype="Undefined type"
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endif
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if(i3.eq.1) msgtype="Standard msg"
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if(i3.eq.2) msgtype="EU VHF Contest"
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if(i3.eq.3) msgtype="ARRL RTTY Roundup"
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if(i3.eq.4) msgtype="Nonstandard calls"
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if(i3.ge.5) msgtype="Undefined msg type"
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if(i3.ge.1) n3=-1
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bad=" "
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comment=' '
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if(msg.ne.msgsent) bad="*"
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if(n3.ge.0) then
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write(*,1020) imsg,msg,msgsent,bad,i3,n3,msgtype,comment
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1020 format(i2,'.',1x,a37,1x,a37,1x,a1,2x,i1,'.',i1,1x,a18,1x,a9)
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else
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write(*,1022) imsg,msg,msgsent,bad,i3,msgtype,comment
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1022 format(i2,'.',1x,a37,1x,a37,1x,a1,2x,i1,'.',1x,1x,a18,1x,a9)
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endif
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enddo
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if(nmsg.eq.1) then
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write(*,1030) ieor(msgbits,rvec)
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1030 format(/'Source-encoded message before XOR(), 77 bits: ',/77i1)
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write(*,1031) msgbits
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1031 format(/'Source-encoded message after XOR(), 77 bits: ',/77i1)
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write(*,1032) codeword(78:91)
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1032 format(/'14-bit CRC: ',/14i1)
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write(*,1033) codeword(92:174)
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1033 format(/'83 Parity bits: ',/83i1)
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write(*,1034) 0,itone,0
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1034 format(/'Channel symbols (105 tones):'/ &
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'R Sync',13x,'Data',13x, &
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' Sync',13x,'Data',13x, &
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' Sync',13x,'Data',13x,' Sync R'/ &
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i1,1x,4i1,1x,29i1,1x,4i1,1x,29i1,1x,4i1,1x,29i1,1x,4i1,i2)
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endif
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999 end program ft4code
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@ -12,7 +12,7 @@ program ft8code
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character*9 comment
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character*9 comment
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character bad*1,msgtype*18
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character bad*1,msgtype*18
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integer itone(NN)
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integer itone(NN)
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integer*1 msgbits(77)
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integer*1 msgbits(77),codeword(174)
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! Get command-line argument(s)
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! Get command-line argument(s)
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nargs=iargc()
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nargs=iargc()
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@ -45,6 +45,7 @@ program ft8code
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i3=-1
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i3=-1
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n3=-1
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n3=-1
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call genft8(msg,i3,n3,msgsent,msgbits,itone)
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call genft8(msg,i3,n3,msgsent,msgbits,itone)
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call encode174_91(msgbits,codeword)
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msgtype=""
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msgtype=""
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if(i3.eq.0) then
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if(i3.eq.0) then
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if(n3.eq.0) msgtype="Free text"
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if(n3.eq.0) msgtype="Free text"
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@ -75,9 +76,15 @@ program ft8code
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if(nmsg.eq.1) then
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if(nmsg.eq.1) then
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write(*,1030) msgbits
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write(*,1030) msgbits
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1030 format(/'Message bits: ',/77i1)
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1030 format(/'Source-encoded message, 77 bits: ',/77i1)
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write(*,1031) codeword(78:91)
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1031 format(/'14-bit CRC: ',/14i1)
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write(*,1032) codeword(92:174)
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1032 format(/'83 Parity bits: ',/83i1)
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write(*,1034) itone
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write(*,1034) itone
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1034 format(/'Channel symbols (tones):'/79i1)
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1034 format(/'Channel symbols (79 tones):'/ &
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' Sync ',14x,'Data',15x,'Sync',15x,'Data',15x,'Sync'/ &
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7i1,1x,29i1,1x,7i1,1x,29i1,1x,7i1)
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endif
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endif
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999 end program ft8code
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999 end program ft8code
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