From 0eb74fdc10f13f36eb2a59471972cd1ad165f063 Mon Sep 17 00:00:00 2001
From: Colin <colin@deve.work>
Date: Wed, 5 Jan 2022 03:47:27 +0000
Subject: [PATCH] refine test use function

---
 test/helloworld/hello_world.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/test/helloworld/hello_world.c b/test/helloworld/hello_world.c
index 691ffc9..b766624 100644
--- a/test/helloworld/hello_world.c
+++ b/test/helloworld/hello_world.c
@@ -152,15 +152,11 @@ int printf(const char* format, ...) {
 
 // #include <stdio.h>
 
-// int add (int a,int b){
-// 	return (a+b)*(a-b);
-// }
+int add(int a, int b) { return (a + b) * (a - b); }
 
 int main() {
   printf("Hello RISCV!\n");
-  // whisperPrintDecimal(321);
-  // int a = add(1,23);
-  // return a;
-  int a = 3;
-  return a * a;
+  int a = add(1, 23);
+  printf("a:%d\n", a);
+  return 0;
 }