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diff --git a/source/mupen64plus-rsp-hle/src/alist.c b/source/mupen64plus-rsp-hle/src/alist.c
new file mode 100644
index 0000000..c141893
--- /dev/null
+++ b/source/mupen64plus-rsp-hle/src/alist.c
@@ -0,0 +1,82 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ *   Mupen64plus-rsp-hle - alist.c                                         *
+ *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
+ *   Copyright (C) 2012 Bobby Smiles                                       *
+ *   Copyright (C) 2009 Richard Goedeken                                   *
+ *   Copyright (C) 2002 Hacktarux                                          *
+ *                                                                         *
+ *   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 2 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, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#include "hle.h"
+#include "alist_internal.h"
+
+// 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];
+
+/* local functions */
+static void alist_process(const acmd_callback_t abi[], unsigned int abi_size)
+{
+    u32 inst1, inst2;
+    unsigned int acmd;
+    const OSTask_t * const task = get_task();
+
+    const unsigned int *alist = (unsigned int*)(rsp.RDRAM + task->data_ptr);
+    const unsigned int * const alist_end = alist + (task->data_size >> 2);
+
+    while (alist != alist_end)
+    {
+        inst1 = *(alist++);
+        inst2 = *(alist++);
+
+        acmd = inst1 >> 24;
+
+        if (acmd < abi_size)
+        {
+            (*abi[acmd])(inst1, inst2);
+        }
+        else
+        {
+            DebugMessage(M64MSG_WARNING, "Invalid ABI command %u", acmd);
+        }
+    }
+}
+
+/* global functions */
+void alist_process_ABI1()
+{
+    alist_process(ABI1, 0x10);
+}
+
+void alist_process_ABI2()
+{
+    alist_process(ABI2, 0x20);
+}
+
+void alist_process_ABI3()
+{
+    alist_process(ABI3, 0x10);
+}
+
+