1/* Copyright (c) 2013-2016 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#ifndef CHEATS_H
  7#define CHEATS_H
  8
  9#include "util/common.h"
 10
 11#include "core/cpu.h"
 12#include "core/log.h"
 13#include "util/vector.h"
 14
 15#define MAX_ROM_PATCHES 4
 16
 17enum mCheatType {
 18	CHEAT_ASSIGN,
 19	CHEAT_ASSIGN_INDIRECT,
 20	CHEAT_AND,
 21	CHEAT_ADD,
 22	CHEAT_OR,
 23	CHEAT_IF_EQ,
 24	CHEAT_IF_NE,
 25	CHEAT_IF_LT,
 26	CHEAT_IF_GT,
 27	CHEAT_IF_ULT,
 28	CHEAT_IF_UGT,
 29	CHEAT_IF_AND,
 30	CHEAT_IF_LAND
 31};
 32
 33struct mCheat {
 34	enum mCheatType type;
 35	int width;
 36	uint32_t address;
 37	uint32_t operand;
 38	uint32_t repeat;
 39	uint32_t negativeRepeat;
 40
 41	int32_t addressOffset;
 42	int32_t operandOffset;
 43};
 44
 45mLOG_DECLARE_CATEGORY(CHEATS);
 46
 47DECLARE_VECTOR(mCheatList, struct mCheat);
 48DECLARE_VECTOR(StringList, char*);
 49
 50struct mCheatDevice;
 51struct mCheatSet {
 52	struct mCheatList list;
 53
 54	void (*deinit)(struct mCheatSet* set);
 55	void (*add)(struct mCheatSet* set, struct mCheatDevice* device);
 56	void (*remove)(struct mCheatSet* set, struct mCheatDevice* device);
 57
 58	bool (*addLine)(struct mCheatSet* set, const char* cheat, int type);
 59	void (*copyProperties)(struct mCheatSet* set, struct mCheatSet* oldSet);
 60
 61	void (*parseDirectives)(struct mCheatSet* set, const struct StringList* directives);
 62	void (*dumpDirectives)(struct mCheatSet* set, struct StringList* directives);
 63
 64	void (*refresh)(struct mCheatSet* set, struct mCheatDevice* device);
 65
 66	char* name;
 67	bool enabled;
 68	struct StringList lines;
 69};
 70
 71DECLARE_VECTOR(mCheatSets, struct mCheatSet*);
 72
 73struct mCheatDevice {
 74	struct mCPUComponent d;
 75	struct mCore* p;
 76
 77	struct mCheatSet* (*createSet)(struct mCheatDevice*, const char* name);
 78
 79	struct mCheatSets cheats;
 80};
 81
 82struct VFile;
 83
 84void mCheatDeviceCreate(struct mCheatDevice*);
 85void mCheatDeviceDestroy(struct mCheatDevice*);
 86void mCheatDeviceClear(struct mCheatDevice*);
 87
 88void mCheatSetInit(struct mCheatSet*, const char* name);
 89void mCheatSetDeinit(struct mCheatSet*);
 90void mCheatSetRename(struct mCheatSet*, const char* name);
 91
 92bool mCheatAddLine(struct mCheatSet*, const char* line, int type);
 93
 94void mCheatAddSet(struct mCheatDevice*, struct mCheatSet*);
 95void mCheatRemoveSet(struct mCheatDevice*, struct mCheatSet*);
 96
 97bool mCheatParseFile(struct mCheatDevice*, struct VFile*);
 98bool mCheatSaveFile(struct mCheatDevice*, struct VFile*);
 99
100void mCheatRefresh(struct mCheatDevice*, struct mCheatSet*);
101
102#endif