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 <mgba-util/common.h>
 10
 11CXX_GUARD_START
 12
 13#include <mgba/core/cpu.h>
 14#include <mgba/core/log.h>
 15#include <mgba-util/vector.h>
 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	CHEAT_IF_NAND,
 32	CHEAT_IF_BUTTON,
 33};
 34
 35struct mCheat {
 36	enum mCheatType type;
 37	int width;
 38	uint32_t address;
 39	uint32_t operand;
 40	uint32_t repeat;
 41	uint32_t negativeRepeat;
 42
 43	int32_t addressOffset;
 44	int32_t operandOffset;
 45};
 46
 47mLOG_DECLARE_CATEGORY(CHEATS);
 48
 49DECLARE_VECTOR(mCheatList, struct mCheat);
 50
 51struct mCheatDevice;
 52struct mCheatSet {
 53	struct mCheatList list;
 54
 55	void (*deinit)(struct mCheatSet* set);
 56	void (*add)(struct mCheatSet* set, struct mCheatDevice* device);
 57	void (*remove)(struct mCheatSet* set, struct mCheatDevice* device);
 58
 59	bool (*addLine)(struct mCheatSet* set, const char* cheat, int type);
 60	void (*copyProperties)(struct mCheatSet* set, struct mCheatSet* oldSet);
 61
 62	void (*parseDirectives)(struct mCheatSet* set, const struct StringList* directives);
 63	void (*dumpDirectives)(struct mCheatSet* set, struct StringList* directives);
 64
 65	void (*refresh)(struct mCheatSet* set, struct mCheatDevice* device);
 66
 67	char* name;
 68	bool enabled;
 69	struct StringList lines;
 70};
 71
 72DECLARE_VECTOR(mCheatSets, struct mCheatSet*);
 73
 74struct mCheatDevice {
 75	struct mCPUComponent d;
 76	struct mCore* p;
 77
 78	struct mCheatSet* (*createSet)(struct mCheatDevice*, const char* name);
 79
 80	struct mCheatSets cheats;
 81	bool autosave;
 82	bool buttonDown;
 83};
 84
 85struct VFile;
 86
 87void mCheatDeviceCreate(struct mCheatDevice*);
 88void mCheatDeviceDestroy(struct mCheatDevice*);
 89void mCheatDeviceClear(struct mCheatDevice*);
 90
 91void mCheatSetInit(struct mCheatSet*, const char* name);
 92void mCheatSetDeinit(struct mCheatSet*);
 93void mCheatSetRename(struct mCheatSet*, const char* name);
 94
 95bool mCheatAddLine(struct mCheatSet*, const char* line, int type);
 96
 97void mCheatAddSet(struct mCheatDevice*, struct mCheatSet*);
 98void mCheatRemoveSet(struct mCheatDevice*, struct mCheatSet*);
 99
100bool mCheatParseFile(struct mCheatDevice*, struct VFile*);
101bool mCheatSaveFile(struct mCheatDevice*, struct VFile*);
102
103bool mCheatParseLibretroFile(struct mCheatDevice*, struct VFile*);
104
105#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
106void mCheatAutosave(struct mCheatDevice*);
107#endif
108
109void mCheatRefresh(struct mCheatDevice*, struct mCheatSet*);
110void mCheatPressButton(struct mCheatDevice*, bool down);
111
112CXX_GUARD_END
113
114#endif