1 files changed, 25 insertions, 0 deletions

diff --git a/test.c b/test.c
new file mode 100644
index 0000000..e1898c3
--- /dev/null
+++ b/test.c
@@ -0,0 +1,25 @@
+//	BCD
+#include"stdio.h"
+
+int toBCD(int x){
+	if (x < 100){
+		int a = ((x / 10) << 4);
+		int b = (x % 10);
+		return (a + b);
+	}
+	else{
+		fprintf(stderr, "Number greater than 99 passed to toBCD()");
+	}
+}
+
+int fromBCD(int x){
+	int a = ((x >> 4) * 10);
+	int b = (x & 0xF);
+	return (a + b);
+}
+
+int main (){
+	int i = 39;
+	printf("1. %d\n2. %d\n3. %d\n", i, toBCD(i), fromBCD(toBCD(i)));
+	return 0;
+}
\ No newline at end of file