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 (*refresh)(struct mCheatSet* set, struct mCheatDevice* device);
62
63	char* name;
64	bool enabled;
65	struct StringList lines;
66};
67
68DECLARE_VECTOR(mCheatSets, struct mCheatSet*);
69
70struct mCheatDevice {
71	struct mCPUComponent d;
72	struct mCore* p;
73
74	struct mCheatSet* (*createSet)(struct mCheatDevice*, const char* name);
75
76	struct mCheatSets cheats;
77};
78
79struct VFile;
80
81void mCheatDeviceCreate(struct mCheatDevice*);
82void mCheatDeviceDestroy(struct mCheatDevice*);
83void mCheatDeviceClear(struct mCheatDevice*);
84
85void mCheatSetInit(struct mCheatSet*, const char* name);
86void mCheatSetDeinit(struct mCheatSet*);
87void mCheatSetRename(struct mCheatSet*, const char* name);
88
89bool mCheatAddLine(struct mCheatSet*, const char* line, int type);
90
91void mCheatAddSet(struct mCheatDevice*, struct mCheatSet*);
92void mCheatRemoveSet(struct mCheatDevice*, struct mCheatSet*);
93
94bool mCheatParseFile(struct mCheatDevice*, struct VFile*);
95bool mCheatSaveFile(struct mCheatDevice*, struct VFile*);
96
97void mCheatRefresh(struct mCheatDevice*, struct mCheatSet*);
98
99#endif