TEST CODE: prepare for switching to PL0

1 files changed, 18 insertions, 0 deletions

diff --git a/PL0_test.c b/PL0_test.c
new file mode 100644
index 0000000..1a3d49d
--- /dev/null
+++ b/PL0_test.c
@@ -0,0 +1,18 @@
+#include "uart.h"
+
+void PL0_main(void)
+{
+  uart_puts("hello PL0!\n\r");
+
+  while (1)
+    {
+      char c;
+      switch(c = uart_getc())
+	{
+	case '\r':
+	  uart_putc('\n');
+	default:
+	  uart_putc(c);
+	}
+    }
+}