---

#include "stdafx.h"
#include <cstdlib>
#include <iostream>
using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
    short X;
    short Y;
    long  count = 0;

    cout << "Podschet par (X,Y) iz [-128..127], gde (|X|-|Y|) mod 4 = 0" << endl;

    __asm {
        mov word ptr X, -128
    outer_loop:
        mov cx, 256
        mov word ptr Y, -128
    inner_loop:
        mov ax, word ptr X
        test ax, ax
        jns ax_pos
        neg ax
    ax_pos:
        mov dx, word ptr Y
        test dx, dx
        jns ay_pos
        neg dx
    ay_pos:
        sub ax, dx
        test ax, 3
        jnz not_match
        inc dword ptr count
    not_match:
        inc word ptr Y
        loop inner_loop

        inc word ptr X
        cmp word ptr X, 127
        jle outer_loop
    }

    cout << hex << count << endl;
    cout << "count " << dec << count << endl;

    system("pause");
    return 0;
}

#include "stdafx.h"
#include <cstdlib>
#include <iostream>
using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
    short X;
    short Y;
    short resX = 0;
    short resY = 0;
    long  count = 0;
    long  found = 0;

    cout << "Poisk 200-oy pary (X,Y), gde (|X|-|Y|) mod 4 = 0" << endl;

    __asm {
        mov word ptr X, -128
    outer_loop:
        mov cx, 256
        mov word ptr Y, -128
    inner_loop:
        mov ax, word ptr X
        test ax, ax
        jns ax_pos
        neg ax
    ax_pos:
        mov dx, word ptr Y
        test dx, dx
        jns ay_pos
        neg dx
    ay_pos:
        sub ax, dx
        test ax, 3
        jnz not_match

        inc dword ptr count
        cmp dword ptr count, 200
        jne not_match

        mov ax, word ptr X
        mov word ptr resX, ax
        mov ax, word ptr Y
        mov word ptr resY, ax
        mov dword ptr found, 1
        xor cx, cx
        jmp inner_end
    not_match:
        inc word ptr Y
        loop inner_loop
    inner_end:
        cmp dword ptr found, 1
        je done
        inc word ptr X
        cmp word ptr X, 127
        jle outer_loop
    done:
    }

    if (found == 1)
    {
        cout << "200-ya para: X=" << dec << resX << ", Y=" << resY << endl;
        cout << hex << "(hex) X=" << resX << ", Y=" << resY << endl;
    }
    else
    {
        cout << "Par menshe 200!" << endl;
    }

    system("pause");
    return 0;
}