diff --git a/src/arm/decompiler.c b/src/arm/decompiler.c
new file mode 100644
index 000000000..3960aa16b
--- /dev/null
+++ b/src/arm/decompiler.c
@@ -0,0 +1,6 @@
+#include "decompiler.h"
+
+void ARMDecodeThumb(uint16_t opcode, struct ThumbInstructionInfo* info) {
+	// TODO
+	info->opcode = opcode;
+}
diff --git a/src/arm/decompiler.h b/src/arm/decompiler.h
new file mode 100644
index 000000000..59c47887b
--- /dev/null
+++ b/src/arm/decompiler.h
@@ -0,0 +1,12 @@
+#ifndef ARM_DECOMPILER_H
+#define ARM_DECOMPILER_H
+
+#include <stdint.h>
+
+struct ThumbInstructionInfo {
+	uint16_t opcode;
+};
+
+void ARMDecodeThumb(uint16_t opcode, struct ThumbInstructionInfo* info);
+
+#endif