Add hello world file which can be used to establish that the I/O routines are working

diff --git a/helloworld.c b/helloworld.c
new file mode 100644 (file)
index 0000000..bc9f993
--- /dev/null
+++ b/helloworld.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+// This test program is provided to enable a quick test of PDCLib's console I/O
+// functions
+
+int main(int argc, char** argv)
+{
+    printf("Hello world\n");
+}
\ No newline at end of file