25SSMALL.ASM

.model small
.data
    array_S db  -32H,-27H,-09H,20H,11H
    smallop db  0
.code
    mov ax,@data
    mov ds,ax

    mov cx,4
    mov si,offset array_S
    mov al,[si]

up: 
    cmp al,[si+1]
    jle dn 
    mov al,[si+1]

dn: 
    inc si
    loop up
    mov smallop,al
ends
end