diff --git a/hal/m258ke/hardware.h b/hal/m258ke/hardware.h
new file mode 100644
index 0000000..e6e8d72
--- /dev/null
+++ b/hal/m258ke/hardware.h
@@ -0,0 +1,65 @@
+/*
+ * hardware.h
+ *
+ *  Created on: Jun 19, 2023
+ *      Author: Doug
+ *
+ * Copyright (C) 2011-2023 Doug Brown
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef HAL_M258KE_HARDWARE_H_
+#define HAL_M258KE_HARDWARE_H_
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "nuvoton/NuMicro.h"
+
+/** Disables interrupts
+ *
+ */
+static inline void DisableInterrupts(void)
+{
+	__disable_irq();
+}
+
+/** Enables interrupts
+ *
+ */
+static inline void EnableInterrupts(void)
+{
+	__enable_irq();
+}
+
+/** Blocks for the specified number of milliseconds
+ *
+ * @param ms The number of milliseconds to wait
+ */
+static inline void DelayMS(uint32_t ms)
+{
+
+}
+
+/** Blocks for the specified number of microseconds
+ *
+ * @param us The number of microseconds to wait
+ */
+static inline void DelayUS(uint32_t us)
+{
+
+}
+
+#endif /* HAL_M258KE_HARDWARE_H_ */