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Ascending sort in external memory location


org 0h
mov r3,#5
up1:mov dptr,#2000h
mov r2,#4
up:mov r0,dpl
movx a,@dptr
inc dptr
mov b,a
movx a,@dptr
cjne a,b,n
n:jnc skp
mov dpl,r0
movx @dptr,a
inc dptr
mov a,b
movx @dptr,a
skp:djnz r2,up
    djnz r3,up1
sjmp $
end

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