; multi-segment executable file template.
data segment
    ar1 dw 1,2,4,5
    len1=($-ar1)
    ar2 dw 1,3,6,8,9
    len2=$-ar2
    ar3 dw (len1+len2) dup(0)
ends
stack segment
    dw   128  dup(0)
ends
code segment
start:
; set segment registers:
    mov ax, data
    mov ds, ax
    
    ;int ar1[]={1,2,4,5};
	;int ar2[]={1,3,6,8,9};
	;int ar3[9]={0};
	;int i1=0,i2=0,i3=0;
	;while(i1<4 && i2<9)
	;{
	;	if(ar1[i1]<ar2[i2])
	;	{
	;		ar3[i3]=ar1[i1];
	;		i1++;
	;		i3++;
	;	}
	;	else
	;	{
	;	ar3[i3]=ar2[i2];
	;	i2++;
	;	i3++;
	;	}
	;}
	;while(i1<4)
	;{
	;	ar3[i3]=ar1[i1];
	;	i1++;
	;	i3++;
	;}
    ;
	;while(i2<9)
	;{
	;	ar3[i3]=ar2[i2];
	;	i2++;
	;	i3++;
	;}
	
	xor si,si ;i1=0
	xor di,di ;i2=0
	xor bx,bx ;i3=0 
	
	start_while1:
	cmp si,len1
	JGE end_while1
	cmp di,len2
	JGE end_while1
	
	mov ax,word ptr ar1[si]     ;  if(ar1[i1]<ar2[i2])
	cmp ax,word ptr ar2[di]
	JGE ELSE                     
	
	mov word ptr ar3[bx],ax     ;ar3[i3]=ar1[i1]
	add si,2                    ;i1++
	add bx,2                    ;i3++
	jmp NOT_ELSE
	ELSE:                       ;ELSE
	mov ax,word ptr ar2[di]     ;ar3[i3]=ar2[i2]
	mov word ptr [bx],ax        
	add di,2                    ;i2++
	add bx,2                    ;i3++
	NOT_ELSE:
	jmp start_while1
	
	end_while1:
	            
	start_while2:               
	cmp si,len1                  ;while(i1<4)
	JGE end_while2
	mov ax,word ptr ar1[di]     ;ar3[i3]=ar1[i1]
	mov word ptr ar3[bx],ax     
	add si,2                    ;i1++
	add bx,2                    ;i3++
	jmp start_while2
	
	end_while2:  
	
	start_while3:
	cmp di,len2
	JGE end_while3
	mov ax,word ptr ar2[di]     ;ar3[i3]=ar2[i2]
	mov word ptr [bx],ax        
	add di,2                    ;i2++
	add bx,2                    ;i3++ 
	jmp start_while3
	end_while3:
	
	
    
    mov ax, 4c00h ; exit to operating system.
    int 21h    
ends
end start ; set entry point and stop the assembler.