1 files changed, 64 insertions, 0 deletions
diff --git a/opl/opl_internal.h b/opl/opl_internal.h
new file mode 100644
index 00000000..4a46b060
--- /dev/null
+++ b/opl/opl_internal.h
@@ -0,0 +1,64 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 2009 Simon Howard
+//
+// 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., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+// DESCRIPTION:
+//     OPL internal interface.
+//
+//-----------------------------------------------------------------------------
+
+
+#ifndef OPL_INTERNAL_H
+#define OPL_INTERNAL_H
+
+#include "opl.h"
+
+typedef int (*opl_init_func)(unsigned int port_base);
+typedef void (*opl_shutdown_func)(void);
+typedef unsigned int (*opl_read_port_func)(opl_port_t port);
+typedef void (*opl_write_port_func)(opl_port_t port, unsigned int value);
+typedef void (*opl_set_callback_func)(unsigned int ms,
+                                      opl_callback_t callback,
+                                      void *data);
+typedef void (*opl_clear_callbacks_func)(void);
+typedef void (*opl_lock_func)(void);
+typedef void (*opl_unlock_func)(void);
+typedef void (*opl_set_paused_func)(int paused);
+
+typedef struct
+{
+    char *name;
+
+    opl_init_func init_func;
+    opl_shutdown_func shutdown_func;
+    opl_read_port_func read_port_func;
+    opl_write_port_func write_port_func;
+    opl_set_callback_func set_callback_func;
+    opl_clear_callbacks_func clear_callbacks_func;
+    opl_lock_func lock_func;
+    opl_unlock_func unlock_func;
+    opl_set_paused_func set_paused_func;
+} opl_driver_t;
+
+// Sample rate to use when doing software emulation.
+
+extern unsigned int opl_sample_rate;
+
+#endif /* #ifndef OPL_INTERNAL_H */
+