--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/aica/aica.c	Mon Dec 12 10:37:41 2005 +0000
@@ -0,0 +1,82 @@
+/**
+ * $Id: aica.c,v 1.1 2005-12-11 12:00:09 nkeynes Exp $
+ * 
+ * This is the core sound system (ie the bit which does the actual work)
+ *
+ * Copyright (c) 2005 Nathan Keynes.
+ *
+ * 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.
+ */
+
+#include "dream.h"
+#include "aica.h"
+#define MMIO_IMPL
+#include "aica.h"
+
+MMIO_REGION_READ_DEFFN( AICA0 )
+MMIO_REGION_READ_DEFFN( AICA1 )
+MMIO_REGION_READ_DEFFN( AICA2 )
+
+/**
+ * Initialize the AICA subsystem. Note requires that 
+ */
+void aica_init( void )
+{
+    register_io_regions( mmio_list_spu );
+    MMIO_NOTRACE(AICA0);
+    MMIO_NOTRACE(AICA1);
+    arm_mem_init();
+}
+
+void aica_reset( void )
+{
+
+}
+
+/** Channel register structure:
+ * 00
+ * 04
+ * 08  4  Loop start address
+ * 0C  4  Loop end address
+ * 10  4  Volume envelope
+ * 14
+ * 18  4  Frequency (floating point 
+ * 1C
+ * 20
+ * 24  1  Pan
+ * 25  1  ??
+ * 26  
+ * 27  
+ * 28  1  ??
+ * 29  1  Volume
+ * 2C
+ * 30
+ * 
+
+/* Write to channels 0-31 */
+void mmio_region_AICA0_write( uint32_t reg, uint32_t val )
+{
+    //    aica_write_channel( reg >> 7, reg % 128, val );
+
+}
+
+/* Write to channels 32-64 */
+void mmio_region_AICA1_write( uint32_t reg, uint32_t val )
+{
+    //    aica_write_channel( (reg >> 7) + 32, reg % 128, val );
+
+}
+
+/* General registers */
+void mmio_region_AICA2_write( uint32_t reg, uint32_t val )
+{
+
+}