kgoba-ft8_lib/ft4_ft8_public/grid6_to_g25.f90

42 wiersze
1.3 KiB
Fortran

program grid6_to_g25
parameter (MAXGRID4=32400)
character*6 w,grid6
character c1*1,c2*2
logical 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'
nargs=iargc()
if(nargs.ne.1) then
print*,'Convert a 6-character grid to a g25 value.'
print*,'Usage: grid6_to_g25 IO91NP'
go to 999
endif
call getarg(1,w)
if(.not. is_grid6(w)) go to 900
j1=(ichar(w(1:1))-ichar('A'))*18*10*10*24*24
j2=(ichar(w(2:2))-ichar('A'))*10*10*24*24
j3=(ichar(w(3:3))-ichar('0'))*10*24*24
j4=(ichar(w(4:4))-ichar('0'))*24*24
j5=(ichar(w(5:5))-ichar('A'))*24
j6=(ichar(w(6:6))-ichar('A'))
igrid6=j1+j2+j3+j4+j5+j6
write(*,1000) w,igrid6,igrid6
1000 format('Encoded word: ',a6,' g25 in binary: ',b25.25/ &
30x,'decimal:',i9)
go to 999
900 write(*,1900)
1900 format('Invalid input')
999 end program grid6_to_g25