;----------MACRO PRINT_STRING -------------------------
; Input - memory location <String>
; Output - chain of characters displayed.
Print_string MACRO      String
        push    ax                              ; Saving only two 
        push    dx                              ; registers used
        lea     dx, string                      ; Printing
        mov     ah,09h                          ; string
        int     21h                             ;
        pop     dx                              ; Restoring
        pop     ax                              ; registers
ENDM
;---------------------------------------------
MOVW     MACRO   W1,W2
        push w2
        pop  w1
ENDM 
;------------- MACRO EXIT_PROG----------------
; Input - none
; Output - none
End_Prog     MACRO
        mov     ah,4ch
        int     21h
ENDM
;--------------------------------------------z
;Pause - emulation macro. Returns the key pressed.      
KEY_WAIT        MACRO
        push    ax
                mov     ah,01h
                int     21h
        pop     ax
ENDM    
;------------------------------------------------------------
MOVE_CURSOR     MACRO row,column,page
        push    ax
        push    dx
        push    bx
        mov     ah,2
        mov     dh,row  
        mov     dl,column
        mov     bh,page
        int     10h
        pop     bx
        pop     dx
        pop     ax
ENDM

Clear_Screen Macro
  push ax
  push bx
  push cx
  push dx
          mov ah,6
          xor al,al
          mov bh,7h
          xor cx,cx
          mov dh,24
          mov dl,79
          int 10h
          move_cursor 0,0,0     ; Set cursor to the left-upper corner
  pop dx
  pop cx
  pop bx
  pop ax
Endm