Question

hello guys can anyone help me with assembly language:
i've to make a squaring and cubing function i.e
x^2 , x^3 for the given number. what should i use IMUL or MUL function ?

Answer 1

IMUL is integer multiplication.....

Answer 2

IMUL is signed multiplication
MUL is unsigned multiplication

Answer 3

yup

Answer 4

so how would you make square function ?

Answer 5

here's the code....
DATA SEGMENT
X DW 04H
SQUARE DW ?
CUBE DW ?
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START: MOV AX,DATA
MOV DS,AX
MOV AX,X
MOV BX,X
MUL BX
MOV SQUARE,AX
MUL BX
MOV CUBE,AX
MOV AH,4CH
INT 21H
CODE ENDS
END START
Input: x ----------- 4h
Output: Square ---------10h
Cube -----------40h
;Load the Data to AX.
;Move the Data AX to DS.
;Move the X number Data to AX.
;Move the X number Data to BX.
;Perform the multiplication by BX.
;Store value in SQUARE.
;Perform the multiplication by BX.
;Store value in CUBE.
- 25

Answer 6

ok ty