;;;;;;;3_1
    .model  small
    .stack  100h
    .386
    .data

a   db  0, 10, 10, 10
    db  11, 0, 11, 11
    db  12, 12, 0, 12
    db  13, 13, 13, 0

    .code
start:

    mov ax, @data
    mov ds, ax
    xor ax, ax
    mov di, 0
    xor bx, bx
    mov cx, 4

firststr:
    mov al, byte ptr a[bx][di]
    rol eax, 8
    add bx, 1
    loop    firststr
    jmp pusd

secondstr:
    mov al, byte ptr a[bx][di]
    rol eax, 8
    add bx, 1
    loop    secondstr
    jmp pusd

thirdstr:
    mov al, byte ptr a[bx][di]
    rol eax, 8
    add bx, 1
    loop    thirdstr
    jmp pusd

fourthstr:
    mov al, byte ptr a[bx][di]
    rol eax, 8
    add bx, 1
    loop    fourthstr

pusd:
    rol eax, 24
    push    ax
    ror eax, 16
    push    ax
    xor eax, eax
    xor bx, bx
    mov cx, 4
    add di, 4
    add dx, 1
    cmp dx, 1
    je  secondstr
    cmp dx, 2
    je  thirdstr
    cmp dx, 3
    je  fourthstr

;   xor eax, eax
;   xor ebx, ebx
;   xor ecx, ecx
;   xor edx, edx
    xor di, di
sort:
    pop ax
    rol eax, 16
    pop ax
    cmp di, 0
;   jne sort1

;   mov bx, 0
;   cwde

    mov cx, ax
    rol eax, 16
    rol ecx, 16
    mov cx, ax
    rol ecx, 16
    xor eax, eax

    pop ax
    rol eax, 16
    pop ax
    mov edx, eax

    xor eax, eax
    pop ax
    rol eax, 16
    pop ax
    mov esi, eax
    xor eax, eax

    pop ax
    rol eax, 16
    pop ax
    mov edi, eax




    mov ax, 4c00h
    int 21h
    end start