How to calulate the avg in assembly language 8086?

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how to calculate the avg of "every" 3 elements in an array (the size of the array doesn't really matter right now) and set this avg value to these 3 elements using assembly language 8086

What I have tried:

i've tried to do it myself but i just couldn't..i assume we will use an array of whatever size then loop on that array byt counter (3) then calculate the avg and set the avg value to these 3 elements

Posted 12-Dec-17 14:24pm

Member 13572738

Updated 12-Dec-17 21:46pm

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Mehdi Gholam 13-Dec-17 0:45am

What have you tried?

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Jochen Arndt · Answer 1 · 2017-12-12T21:46:00

That depends on the type of data (bit width with integers or single/double precision floating point values) and if overflow can occur and should be handled.

For 16-bit int with no overflow detection and array address in ds:si:
[EDIT: Fixed wrong offsets]

AvgLoop:
        ; Check for end of array here
        mov ax,[si]
        add ax,[si+2]
        add ax,[si+4]
        mov cx,3
        mov dx,0
        div cx
        mov [si],ax
        mov [si+2],ax
        mov [si+4],ax
        add si,6
        jmp AvgLoop