diff --git a/src/a64instruction_SingleTransfer.h b/src/a64instruction_SingleTransfer.h
new file mode 100644
index 0000000..150437b
--- /dev/null
+++ b/src/a64instruction_SingleTransfer.h
@@ -0,0 +1,46 @@
+#include <stdbool.h>
+#include "a64instruction_global.h"
+#include "global.h"
+
+typedef enum {
+    a64inst_SINGLE_TRANSFER_SINGLE_DATA_TRANSFER,
+    a64inst_SINGLE_TRANSFER_LOAD_LITERAL
+} a64inst_SingleTransferType;
+
+typedef enum {
+    a64inst_STORE,
+    a64inst_LOAD
+} a64inst_TransferType;
+
+typedef enum {
+    a64inst_REGISTER_OFFSET,
+    a64inst_PRE_INDEXED,
+    a64inst_POST_INDEXED,
+    a64inst_UNSIGNED_OFFSET
+} a64inst_AddressingMode;
+
+typedef struct {
+    a64inst_TransferType transferType;
+    a64inst_regSpecifier base;
+    a64inst_AddressingMode addressingMode;
+    // I think the following is better than another level of nesting.
+    union {
+        a64inst_regSpecifier offsetReg;
+        word preIndexedOffset;
+        word postIndexedOffset;
+        word unsignedOffset;
+    } a64inst_addressingModeData;
+} a64inst_SingleDataTransferData;
+
+typedef struct {
+    word offset;
+} a64inst_LoadLiteralData;
+
+typedef struct {
+    a64inst_regSpecifier target;
+    a64inst_regType regType;
+    union {
+        a64inst_SingleDataTransferData singleDataTransferData;
+        a64inst_LoadLiteralData loadLiteralData;
+    } processOpData;
+} a64inst_SingleTransferData;
\ No newline at end of file