/* * 6502 Memory manager - The TI-NESulator Project * memory.h - Taken from the Quick6502 project * * Created by Manoel Trapier on 18/09/06. * Copyright 2003-2008 986 Corp. All rights reserved. * * $LastChangedDate$ * $Author$ * $HeadURL$ * $Revision$ * */ #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(FILE *fp); #endif