.MODEL SMALL
.STACK 100

NEWLINE MACRO
    PUSH AX
    PUSH DX

    MOV AH, 2

    MOV DL, 0DH
    INT 21H

    MOV DL, 0AH
    INT 21H

    POP DX
    POP AX
ENDM NEWLINE

.DATA
    DAY DW D0, D1, D2, D3, D4, D5, D6

    D0 DB "SUNDAY", "$"
    D1 DB "MONDAY", "$"
    D2 DB "TUESDAY", "$"
    D3 DB "WEDNESDAY", "$"
    D4 DB "THURSDAY", "$"
    D5 DB "FRIDAY", "$"
    D6 DB "SATURDAY", "$"
.CODE
MOV AX, @DATA
MOV DS, AX

MOV AH, 2AH
INT 21H
MOV SI, OFFSET DAY
MOV AH, 0
ADD AX, AX
ADD SI, AX
MOV DX, [SI]
MOV AH, 09H
INT 21H

NEWLINE

MOV AH, 4CH
INT 21H

END