1 // -*- C++ -*- 2 // VisualBoyAdvance - Nintendo Gameboy/GameboyAdvance (TM) emulator. 3 // Copyright (C) 1999-2003 Forgotten 4 // Copyright (C) 2004 Forgotten and the VBA development team 5 6 // This program is free software; you can redistribute it and/or modify 7 // it under the terms of the GNU General Public License as published by 8 // the Free Software Foundation; either version 2, or(at your option) 9 // any later version. 10 // 11 // This program is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 // 16 // You should have received a copy of the GNU General Public License 17 // along with this program; if not, write to the Free Software Foundation, 18 // Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19 20 #ifndef VBA_CHEATSEARCH_H 21 #define VBA_CHEATSEARCH_H 22 23 #include "System.h" 24 25 struct CheatSearchBlock { 26 int size; 27 u32 offset; 28 u8 *bits; 29 u8 *data; 30 u8 *saved; 31 }; 32 33 struct CheatSearchData { 34 int count; 35 CheatSearchBlock *blocks; 36 }; 37 38 enum { 39 SEARCH_EQ, 40 SEARCH_NE, 41 SEARCH_LT, 42 SEARCH_LE, 43 SEARCH_GT, 44 SEARCH_GE 45 }; 46 47 enum { 48 BITS_8, 49 BITS_16, 50 BITS_32 51 }; 52 53 #define SET_BIT(bits,off) \ 54 (bits)[(off) >> 3] |= (1 << ((off) & 7)) 55 56 #define CLEAR_BIT(bits, off) \ 57 (bits)[(off) >> 3] &= ~(1 << ((off) & 7)) 58 59 #define IS_BIT_SET(bits, off) \ 60 (bits)[(off) >> 3] & (1 << ((off) & 7)) 61 62 extern CheatSearchData cheatSearchData; 63 extern void cheatSearchCleanup(CheatSearchData *cs); 64 extern void cheatSearchStart(const CheatSearchData *cs); 65 extern void cheatSearch(const CheatSearchData *cs, int compare, int size, 66 bool isSigned); 67 extern void cheatSearchValue(const CheatSearchData *cs, int compare, int size, 68 bool isSigned, u32 value); 69 extern int cheatSearchGetCount(const CheatSearchData *cs, int size); 70 extern void cheatSearchUpdateValues(const CheatSearchData *cs); 71 extern s32 cheatSearchSignedRead(u8 *data, int off, int size); 72 extern u32 cheatSearchRead(u8 *data, int off, int size); 73 #endif 74