Assemble Decreasing ARRAY

.MODEL SMALL
.STACK 100H
.DATA
    ARRAY DB 'A','B','C','D','E','F'

.CODE
MAIN PROC
    INCLUDE 'EMU8086.INC'

    MOV AX, @DATA
    MOV DS, AX

    MOV SI, 5
    MOV CX, 6

    FOR:
        MOV DX,[SI]
        MOV AH,2
        INT 21H
        DEC SI

    LOOP FOR


    MOV AH, 4CH
    INT 21H


END MAIN