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   1 .text
   2 .arm
   3 .global _start
   4 _start:
   5         b reset
   6         b loop
   7         b loop
   8         b loop
   9         b loop
  10         nop
  11         b loop
  12         b loop
  13 
  14 /* ==============================
  15 *  TEST CODE
  16 *  ==============================
  17 */
  18 reset:
  19         mov r1,#VECT
  20 	mov r3,#2
  21 	mov r7,#VECT + ( 51 - 2)  @ verificar un numero mayor a 51 no tiene sentido 
  22 
  23 @ crear vector de 99 elementos (2 - 100)
  24 	mov r2,r1
  25 otro1: 	
  26 	strb r3,[r2],#1 
  27 	add r3,r3,#1
  28 	cmp r3,#101
  29 	bne otro1
  30 	
  31 @ busca elemento no borrado y borra sus multiplos 
  32 	mov r2,r1
  33 otro2:	
  34 	ldrb r3,[r2]	   	@ lee de r2 el numero a verificar 
  35 
  36 	cmp r3,#0         	@ si es cero busca otro numero
  37 	beq seguir
  38 			  	@ si no es cero borra los multiplos  		
  39 	add r4,r3,r2		@ calcula la posicion del primer nro a borrar
  40 	mov r5,#0
  41 	
  42 borrar:	strb r5,[r4],r3 	@ borra saltando r3 posiciones hasta final de vector 
  43 	cmp r4,#FINVEC
  44 	bls borrar
  45 
  46 seguir: add r2,r2,#1
  47 	cmp r2,r7    		@ si llegó a fin de vector sale ( en realidad se realiza el proceso hasta 51)
  48 	bne otro2	
  49 salir:
  50 loop:   b loop
  51 
  52 /* ==============================
  53 *  CONTANTES
  54 *  ==============================
  55 */
  56 VECT:	.space 99 ,0
  57 
  58 FINVEC:
  59 
  60 PROM:   .hword 0
  61         .balign 4
  62 
  63         .end

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  • [obtener | ver] (2019-09-02 11:56:14, 110.6 KB) [[attachment:ARM_Instruction_Set.pdf]]
  • [obtener | ver] (2019-09-02 11:56:14, 1.1 KB) [[attachment:Makefile]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.4 KB) [[attachment:alarma_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.5 KB) [[attachment:alarma_s_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 2.3 KB) [[attachment:anumero1_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 2.9 KB) [[attachment:anumero2_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.6 KB) [[attachment:cadena_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 1.2 KB) [[attachment:cercano_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.8 KB) [[attachment:clave_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 1.4 KB) [[attachment:compara_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 2.2 KB) [[attachment:contarletrasrep_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 1.5 KB) [[attachment:contarrep_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 1.2 KB) [[attachment:criba_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 2.3 KB) [[attachment:extraenum_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 1.2 KB) [[attachment:igualarlargo_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 1.7 KB) [[attachment:inspalabra_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.9 KB) [[attachment:invertir_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.9 KB) [[attachment:may_min_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.6 KB) [[attachment:multip_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.6 KB) [[attachment:potencia_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.8 KB) [[attachment:potencia_ex1.s,v]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.8 KB) [[attachment:prom_vector_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.6 KB) [[attachment:promedio_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.8 KB) [[attachment:promedio_ex1.s,v]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.7 KB) [[attachment:punt_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.8 KB) [[attachment:punt_ex1.s,v]]
  • [obtener | ver] (2019-09-02 11:56:14, 1.9 KB) [[attachment:separa_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 472.2 KB) [[attachment:slides.pdf]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.5 KB) [[attachment:suma100_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.6 KB) [[attachment:suma64_ex1.s]]
  • [obtener | ver] (2019-09-02 11:56:14, 0.8 KB) [[attachment:suma64_ex1.s,v]]
  • [obtener | ver] (2019-09-02 11:56:14, 160.3 KB) [[attachment:tp1.pdf]]
  • [obtener | ver] (2019-09-02 11:56:14, 167.3 KB) [[attachment:tp3.pdf]]
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