1/* Copyright (c) 2013-2015 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 GBA_CHEATS_H
 7#define GBA_CHEATS_H
 8
 9#include "util/common.h"
10
11#include "arm.h"
12#include "util/vector.h"
13
14enum GBACheatType {
15	CHEAT_ASSIGN,
16	CHEAT_AND,
17	CHEAT_ADD,
18	CHEAT_OR,
19	CHEAT_IF_EQ,
20	CHEAT_IF_NE,
21	CHEAT_IF_LT,
22	CHEAT_IF_GT,
23	CHEAT_IF_AND
24};
25
26enum GBACodeBreakerType {
27	CB_GAME_ID = 0x0,
28	CB_HOOK = 0x1,
29	CB_OR_2 = 0x2,
30	CB_ASSIGN_1 = 0x3,
31	CB_FILL = 0x4,
32	CB_FILL_8 = 0x5,
33	CB_AND_2 = 0x6,
34	CB_IF_EQ = 0x7,
35	CB_ASSIGN_2 = 0x8,
36	CB_ENCRYPT = 0x9,
37	CB_IF_NE = 0xA,
38	CB_IF_GT = 0xB,
39	CB_IF_LT = 0xC,
40	CB_IF_SPECIAL = 0xD,
41	CB_ADD_2 = 0xE,
42	CB_IF_AND = 0xF,
43};
44
45struct GBACheat {
46	enum GBACheatType type;
47	int width;
48	uint32_t address;
49	uint32_t operand;
50	uint32_t repeat;
51
52	int32_t addressOffset;
53	int32_t operandOffset;
54};
55
56DECLARE_VECTOR(GBACheatList, struct GBACheat);
57
58struct GBACheatSet {
59	uint32_t hookAddress;
60	enum ExecutionMode hookMode;
61	struct GBACheatList list;
62
63	struct GBACheat* incompleteCheat;
64	uint32_t patchedOpcode;
65};
66
67struct GBACheatDevice {
68	struct ARMComponent d;
69	struct GBA* p;
70
71	struct GBACheatSet* cheats;
72};
73
74void GBACheatDeviceCreate(struct GBACheatDevice*);
75
76void GBACheatSetInit(struct GBACheatSet*);
77void GBACheatSetDeinit(struct GBACheatSet*);
78
79void GBACheatAttachDevice(struct GBA* gba, struct GBACheatDevice*);
80void GBACheatInstallSet(struct GBACheatDevice*, struct GBACheatSet*);
81
82bool GBACheatAddCodeBreaker(struct GBACheatSet*, uint32_t op1, uint16_t op2);
83bool GBACheatAddCodeBreakerLine(struct GBACheatSet*, const char* line);
84
85void GBACheatRefresh(struct GBACheatDevice*);
86
87#endif