69 lines
1.6 KiB
C
Executable File
69 lines
1.6 KiB
C
Executable File
/*
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* 6502 Memory manager - The TI-NESulator Project
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* memory.h - Taken from the Quick6502 project
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*
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* Created by Manoel Trapier on 18/09/06.
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* Copyright 2003-2008 986 Corp. All rights reserved.
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*
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* $LastChangedDate$
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* $Author$
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* $HeadURL$
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* $Revision$
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*
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*/
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#ifndef MEMORY_H
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#define MEMORY_H
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#include "types.h"
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#define ATTR_PAGE_HAVE_RDHOOK 0x20
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#define ATTR_PAGE_HAVE_WRHOOK 0x10
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#define ATTR_PAGE_WRITEABLE 0x08
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#define ATTR_PAGE_READABLE 0x04
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#define ATTR_PAGE_GHOST 0x02
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#define ATTR_PAGE_MAPPED 0x01
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typedef byte (*func_rdhook)(byte /* addr */);
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typedef void (*func_wrhook)(byte addr, byte data);
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/* Functions to manage pages data */
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void set_page_ptr(byte page, byte *ptr);
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void set_page_ptr_1k(byte page, byte *ptr);
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void set_page_ptr_2k(byte page, byte *ptr);
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void set_page_ptr_4k(byte page, byte *ptr);
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void set_page_ptr_8k(byte page, byte *ptr);
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void set_page_ptr_16k(byte page, byte *ptr);
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void set_page_ptr_32k(byte page, byte *ptr);
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byte *get_page_ptr(byte page);
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/* Functions to set pages attributes */
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void set_page_rd_hook(byte page, func_rdhook func);
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void set_page_wr_hook(byte page, func_wrhook func);
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void set_page_readable(byte page, bool value);
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void set_page_writeable(byte page, bool value);
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void set_page_ghost(byte page, bool value, byte ghost);
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byte get_page_attributes(byte page);
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func_rdhook get_page_rdhook(byte page);
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func_wrhook get_page_wrhook(byte page);
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/* Generalist functions */
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void InitMemory();
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byte ReadMemory(byte page, byte addr);
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void WriteMemory(byte page, byte addr, byte value);
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void DumpMemoryState(FILE *fp);
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#endif
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