From 0a8f41632c5f7d42c5c1e7f3152c16177a73b447 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fabi=C3=A1n=20Montero?= <fabian@cluster451.org>
Date: Thu, 10 Nov 2022 18:51:32 -0600
Subject: =?UTF-8?q?app:=20a=C3=B1ade=20aplicaci=C3=B3n=20en=20ASM?=
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---
 app/descifrador.s | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 app/descifrador.s

(limited to 'app')

diff --git a/app/descifrador.s b/app/descifrador.s
new file mode 100644
index 0000000..7335bde
--- /dev/null
+++ b/app/descifrador.s
@@ -0,0 +1,34 @@
+		mov		r1, #0x100 ; r1 = 0x100
+		mov		r2, #0xCA	; r2 = 5
+		mov		r7, #0x0	; r7 = 0
+
+@Guardar en memoria 6 veces el valor del pixel: #0xCA
+@ a partir de la posicion #0x100 
+loop
+		str		r2, [r1] 	;
+		add		r1, r1, #4
+		add		r7, r7, #1
+		cmp		r7, #6
+		bne		loop
+
+@Reiniciar contador y posicion de memoria	
+		mov		r1, #0x100
+		mov		r7, #0x0
+
+@Recorrer la memoria desde #0x100 y hacer not al valor en cada posicion
+@ y volverlo a guardar
+loop1
+		ldr		r3, [r1]
+		mvn		r3, r3
+		str		r3, [r1]
+		add		r1, r1, #4
+		add		r7, r7, #1
+		cmp		r7, #6
+		bne		loop1
+
+
+;e3a01c01 e3a020ca e3a07000 
+;e5812000 e2811004 e2877001 e3570006 1afffffa 
+;e3a01c01 e3a07000 
+;e5913000 ele03003 e5813000 e2811004 e2877001 e3570006 lafffff8 
+
-- 
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