1 files changed, 13 insertions, 0 deletions
diff --git a/include/io.h b/include/io.h
new file mode 100644
index 0000000..ed71e6f
--- /dev/null
+++ b/include/io.h
@@ -0,0 +1,13 @@
+#include <stdint.h>
+
+#ifndef IO_H
+#define IO_H
+
+uint8_t inportb(uint16_t port);
+void outportb(uint16_t port, uint8_t data);
+void init_serial();
+void serial_putc(char c);
+void serial_puts(const char* s);
+void serial_puthex(uint32_t h);
+
+#endif // IO_H
+\ No newline at end of file