АСМ.Зашквар

; multi-segment executable file template.

data segment
    ; add your data here!
    text db "Y = $"
    pkey db 10,13, "press any key...$"
    a db 2
    b db 6
    c db 19
    x db 1
    o dw 0
    y dw 0
ends

stack segment
    dw   128  dup(0)
ends

code segment
start:
; set segment registers:
    mov ax, data
    mov ds, ax
    mov es, ax

    ;add your code here
    mov dx, offset text
    mov ah, 9
    int 21h

    ;loop start
    mov cx, 10
    mov bl, c
    sub b, bl       ; b -= c
    for_loop:
        cmp x, 6
        jnb xB6
        ;x < 6
        mov ax, 0
        mov dx, 0
        mov al, b
        mov bx, 0
        mov bl, x    ; ax = b - c
        idiv bx      ; ax = (b - c) / x

        mov bx, ax
        mov ax, 0
        mov al, x    ; ax = x
        mul x        ; x * x
        add ax, bx   ; x * x + (b - c) / x
        jmp end_iterate
        xB6:
        ;x >= 6
        mov al, a    ; ax = a
        imul x       ; ax *= x
        idiv b       ; ax /= b - c

        end_iterate:
        inc x
        ;mov ax, o
        add y, ax   ; y += o
    loop for_loop
    ;loop end

    mov ax, y
    OutInt proc     ;output number 0 - 99
        aam
        add ax,3030h
        mov dl,ah
        mov dh,al
        mov ah,02
        cmp dl,48   ;is the number starts as 0
        je next
        int 21h
        next:
        mov dl,dh
        int 21h
    OutInt endp

    lea dx, pkey
    mov ah, 9
    int 21h         ; output string at ds:dx

    ; wait for any key....
    mov ah, 1
    int 21h

    mov ax, 4c00h   ; exit to operating system.
    int 21h
ends

end start ; set entry point and stop the assembler.