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assembly power of number

DarkMode answered on August 20, 2022 Popularity 4/10 Helpfulness 2/10

answer assembly power of number

assembly power of number

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; 8086
; Pow(AX:Number, CX:Exponent)
;   Number: Input number
;   Exponent: Number of times Number is multiplied with itself
;   Output(DX:AX): Number to the power of Exponent
;       DX:AX is int (4 bytes) signed max=2147483647, unsigned max=4294967295
;   Uses: BX, CX (Preserved)
Pow:
    push cx
    cmp cx, 1
    je PowToThePowerOfOne
    cmp cx, 0
    je PowToThePowerOfZero
    push bx
    mov bx, ax
    dec cx
    PowProcessLoop:
        mul bx
    loop PowProcessLoop
    pop bx
    PowToThePowerOfOne:
    pop cx
    ret
    PowToThePowerOfZero:
        mov dx, 0
        mov ax, 1
    pop cx
    ret

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Tags: assembly exponent pow

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Contributed on Aug 20 2022

DarkMode

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assembly power of number

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