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Editorial Team
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Editorial Team
Asked: May 22, 20262026-05-22T23:06:34+00:00 2026-05-22T23:06:34+00:00

Can I handle an array like this in assembly? db a 10,20,30,40,50 and then

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Can I handle an array like this in assembly?

db a 10,20,30,40,50

and then say:

mov si,0

and then refer to an element like this

mov AX,a[si]
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  1. Editorial Team
    Editorial Team
    2026-05-22T23:06:35+00:00Added an answer on May 22, 2026 at 11:06 pm

    Technically, yes, but it would be more efficient to write

    mov si, offset a
    mov ax, [si]
    

    One more thing: a is defined as an array of bytes. And ax is 16bit register. So, mov ax,[si] will make ax to contain first two bytes of a (i.e. al=10, ah=20).

    What you probably want is

     mov al, [si]
    

    or

     mov al, a[si]
    
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