Encode64:
	;Read Input File (3 bytes)
	mov ah, 3fh 
	mov bx, input_handle 
	mov cx, Buff3b;seting the size to read at a time
	mov dx, offset input_pointer ;pointing the buffer where to store
	int 21h 
	jc End_Program
 
	;Appends a 0 if the number of bytes read is less then 3
	;ax = amount of read bytes
	cmp ax, 2
	jne start0
	mov input_pointer[2], 0
	start0:
		cmp ax, 1
		jne end0
		mov input_pointer[1],0
		mov input_pointer[2],0
	end0:
		or ax, ax
		jz done2 ;jump to done2 if ax=0
 
;;;;;;;;;;Convert the 3byte data into 4 byte data
;;;;;;;;;;Storing the output into a buffer for writing
 
 
	B1:
		mov al, input_pointer[0]
		shr al, 2
		add al,65d
		mov output_pointer[0],al
 
	B2:
		mov ax, word ptr input_pointer[0]
		xchg al, ah
		shl ax, 6
		shr ax, 10
		add al, 65d
 
 
 
		mov output_pointer[1], al
 
	B3:
		mov ax, word ptr input_pointer[1]
		xchg al, ah
		shl ax, 4
		shr ax, 10
		add al, 65d
		mov output_pointer[2],al
	B4:
		mov al, input_pointer[2]
		shl al, 4
		shr al,2
		add al, 61d
		mov output_pointer[3], al
 
 
;;;;;;;;;;;;;;;;;;;;;;;;; write 4b encoded data to output file 
		mov cx, buff4b;set number of bye to write
		mov ah, 40h 
		mov bx, output_handle 
		mov dx, offset output_pointer ;write from buffer
		int 21h 
		jc end_program
		jmp Encode64