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31 lines
1015 B
Fortran
31 lines
1015 B
Fortran
subroutine chk77_1(nwords,w,i3,n3)
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! Check Type 1 (Standard 77-bit message) and Type 4 (ditto, with a "/P" call)
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character*13 w(19)
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character*6 bcall_1,bcall_2
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character*4 grid4
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logical is_grid4
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logical ok1,ok2
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is_grid4(grid4)=len(trim(grid4)).eq.4 .and. &
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grid4(1:1).ge.'A' .and. grid4(1:1).le.'R' .and. &
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grid4(2:2).ge.'A' .and. grid4(2:2).le.'R' .and. &
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grid4(3:3).ge.'0' .and. grid4(3:3).le.'9' .and. &
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grid4(4:4).ge.'0' .and. grid4(4:4).le.'9'
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call chkcall(w(1),bcall_1,ok1)
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call chkcall(w(2),bcall_2,ok2)
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if(nwords.eq.3 .or. nwords.eq.4) then
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if(ok1 .and. ok2 .and. is_grid4(w(nwords)(1:4))) then
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if(nwords.eq.3 .or. (nwords.eq.4 .and. w(3)(1:2).eq.'R ')) then
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i3=1 !Type 1: Standard message
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if(index(w(1),'/P').ge.4 .or. index(w(2),'/P').ge.4) i3=4
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n3=0
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endif
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endif
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endif
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return
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end subroutine chk77_1
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