TI-NESulator SVN reimport

src/include/memory/manager.h

@@ -0,0 +1,68 @@
+/*
+ *  6502 Memory manager - The TI-NESulator Project
+ *  memory.h - Taken from the Quick6502 project
+ *
+ *  Created by Manoël Trapier on 18/09/06.
+ *  Copyright 2003-2007 986 Corp. All rights reserved.
+ *
+ *  $LastChangedDate: 2007-04-05 16:30:20 +0200 (jeu, 05 avr 2007) $
+ *  $Author: mtrapier $
+ *  $HeadURL: file:///media/HD6G/SVNROOT/trunk/TI-NESulator/src/memory.h $
+ *  $Revision: 31 $
+ *
+ */
+#ifndef MEMORY_H
+#define MEMORY_H
+
+#include "types.h"
+
+#define ATTR_PAGE_HAVE_RDHOOK    0x20
+#define ATTR_PAGE_HAVE_WRHOOK    0x10
+#define ATTR_PAGE_WRITEABLE      0x08
+#define ATTR_PAGE_READABLE       0x04
+#define ATTR_PAGE_GHOST          0x02
+#define ATTR_PAGE_MAPPED         0x01
+
+typedef byte (*func_rdhook)(byte /* addr */);
+typedef void (*func_wrhook)(byte addr, byte data);
+
+/* Functions to manage pages data */
+void set_page_ptr(byte page, byte *ptr);
+void set_page_ptr_1k(byte page, byte *ptr);
+void set_page_ptr_2k(byte page, byte *ptr);
+void set_page_ptr_4k(byte page, byte *ptr);
+void set_page_ptr_8k(byte page, byte *ptr);
+void set_page_ptr_16k(byte page, byte *ptr);
+void set_page_ptr_32k(byte page, byte *ptr);
+
+byte *get_page_ptr(byte page);
+
+
+/* Functions to set pages attributes */
+
+void set_page_rd_hook(byte page, func_rdhook func);    
+
+void set_page_wr_hook(byte page, func_wrhook func);
+
+void set_page_readable(byte page, bool value);
+
+void set_page_writeable(byte page, bool value);
+
+void set_page_ghost(byte page, bool value, byte ghost);
+
+byte get_page_attributes(byte page);
+
+func_rdhook get_page_rdhook(byte page);
+
+func_wrhook get_page_wrhook(byte page);
+
+/* Generalist functions */
+
+void InitMemory();
+
+byte ReadMemory(byte page, byte addr);
+void WriteMemory(byte page, byte addr, byte value);
+
+void DumpMemoryState();
+
+#endif