mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-29 23:58:39 -05:00
25 lines
663 B
Fortran
25 lines
663 B
Fortran
subroutine chkcrc14a(decoded,nbadcrc)
|
|
|
|
use crc
|
|
integer*1 decoded(91)
|
|
integer*1, target:: i1Dec8BitBytes(12)
|
|
character*91 cbits
|
|
|
|
! Write decoded bits into cbits: 77-bit message plus 14-bit CRC
|
|
write(cbits,1000) decoded
|
|
1000 format(91i1)
|
|
read(cbits,1001) i1Dec8BitBytes
|
|
1001 format(12b8)
|
|
read(cbits,1002) ncrc14 !Received CRC14
|
|
1002 format(77x,b14)
|
|
|
|
i1Dec8BitBytes(10)=iand(i1Dec8BitBytes(10),128+64+32+16+8)
|
|
i1Dec8BitBytes(11:12)=0
|
|
icrc14=crc14(c_loc(i1Dec8BitBytes),12) !CRC14 computed from 77 msg bits
|
|
|
|
nbadcrc=1
|
|
if(ncrc14.eq.icrc14) nbadcrc=0
|
|
|
|
return
|
|
end subroutine chkcrc14a
|