From e424b09269e6fd37fd1c69006fc971de74d16fb3 Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Mon, 24 Mar 2008 20:17:22 +0000
Subject: Add 'previous even' and 'next even' examples

git-svn-id: svn://mattst88.com/svn/x86_64-assembly/trunk@2 a323887f-d61c-418c-83a5-2e06a2a01087
---
 nexteven.asm | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 nexteven.asm

(limited to 'nexteven.asm')

diff --git a/nexteven.asm b/nexteven.asm
new file mode 100644
index 0000000..b7b5c16
--- /dev/null
+++ b/nexteven.asm
@@ -0,0 +1,44 @@
+format ELF64
+
+extrn	printf
+extrn	puts
+extrn	scanf
+public	main
+
+section '.text' executable
+
+main:
+	push	rbp
+	mov	rbp,rsp
+	
+	mov	edi,prompt
+	call	puts
+	
+	sub	rsp,16
+	
+	mov	rsi,rsp
+	mov	edi,readint
+	xor	eax,eax
+	call	scanf
+	
+	mov	rax,[rsp]
+	
+	add	rsp,16
+	
+	mov	rdx,rax
+	and	rdx,1
+	add	rax,rdx
+	
+	mov	rsi,rax	
+	mov	edi,msg
+	xor	eax,eax
+	call	printf
+	
+	leave
+	ret
+
+section '.data' writable align 16
+
+msg	db	"Next even integer is %ld",0xA,0
+prompt	db	"Enter an odd integer.",0
+readint	db	"%ld",0
-- 
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