+#define A_INIT 0x01
+#define A_CONTINUE 0x00
+#define A_LOOP 0x02
+#define A_OUT 0x02
+#define A_LEFT 0x02
+#define A_RIGHT 0x00
+#define A_VOL 0x04
+#define A_RATE 0x00
+#define A_AUX 0x08
+#define A_NOAUX 0x00
+#define A_MAIN 0x00
+#define A_MIX 0x10
+
+/* FIXME: this decomposition into 3 ABI is not accurate,
+ * there are a least 9 or 10 different ABI, each with one or a few revisions
+ * for a total of almost 16 differents audio ucode.
+ *
+ * ABI2 in fact is a mix of at least 7 differents ABI which are mostly compatible
+ * but not totally, that's why there is a isZeldaABI/isMKABI workaround.
+ */
+extern const acmd_callback_t ABI1[0x10];
+extern const acmd_callback_t ABI2[0x20];
+extern const acmd_callback_t ABI3[0x10];
+
+#endif
\ No newline at end of file