Perform multiplication of two numbers.
Tested in emu8086 emulator.
See addition and subtraction. Learning: 1 2 3 4 5 6 book
.MODEL SMALL
.STACK 200H
.DATA
NUM1 DB ?
NUM2 DB ?
RESULT DB ?
MSG1 DB 10,13,"Enter NUM1: $"
MSG2 DB 10,13,"Enter NUM2: $"
MSG3 DB 10,13,"Result: $"
ENDS
.CODE
ASSUME DS:DATA CS:CODE
START:
MOV AX, @DATA
MOV DS, AX
LEA DX, MSG1
MOV AH, 9
INT 21H
MOV AH, 1
INT 21H
SUB AL, 30H
MOV NUM1, AL
LEA DX, MSG2
MOV AH, 9
INT 21H
MOV AH, 1
INT 21H
SUB AL, 30H
MOV NUM2, AL
MUL NUM1
MOV RESULT, AL
AAM
ADD AH, 30H
ADD AL, 30H
MOV BX, AX
LEA DX, MSG3
MOV AH, 9
INT 21H
MOV AH, 2
MOV DL, BH
INT 21H
MOV AH, 2
MOV DL, BL
INT 21H
MOV AH, 4CH
INT 21H
ENDS
END START
Screenshot
