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# large fibonacci sequence using recursion [TASM]

assembly language [tasm]

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### #1 kuraisan

kuraisan

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• 1 posts

Posted 25 May 2015 - 12:58 PM

iv to deliver a working Fibonacci sequence code using recursion to as an assignment , ive a code but i don't understand its functions and ive to describe its sequence and trace the code for my assignment , i need help if anyone can explain the code or even get me a new code with an explanation as i suck in assembly

.MODEL SMALL

.DATA
NUM_1  DB ?
NUM_2  DB ?
NUM_3  DB ?
V1     DB ?
V2     DB  ?
NL     DB  '  ', 0DH,0AH,'\$'

.CODE
MAIN PROC
MOV AX,@DATA
MOV DX,AX
MOV CX,10
MOV CH,0

MOV NUM_1,0
MOV NUM_2,1

MOV DL,NUM_1

OR  DL,30H
MOV AH,02H
INT  21H

MOV DL,NUM_2
OR DL,30H

MOV AH,02H
INT 21H

L1:

MOV AL,NUM_1
MOV AH,0
MOV BL,AL
MOV DL,10
DIV DL

MOV V1,AL
MOV V2,AH

MOV DL,V1
MOV AH,02H
INT 21H

MOV DL,V2
MOV AH,02H
INT 21H

SHIFT:
MOV AL,NUM_2
MOV NUM_1,AL
MOV NUM_2,BL
LOOP L1

MOV AX,4C00H
INT 21H

MAIN ENDP
END MAIN

;*********************************************
;               OUTPUT
;*********************************************

;0 1 01 02 03 05 08 13 21 34 55 89

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