WSJT-X/hscroll.f90

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!------------------------------------------------- hscroll
subroutine hscroll(a,nx)
integer*2 a(750,300)
do j=1,150
do i=1,750
if(nx.gt.50) a(i,150+j)=a(i,j)
a(i,j)=0
enddo
enddo
return
end subroutine hscroll