cheats.c File Reference

Cheat Engine Implementation. More...

Data Structures
struct	cheat_t
	Cheat structure. More...
struct	cheat_entry_t
	Cheat entry structure. More...

Macros
#define	HIT_INVALIDATE_I   ((4 << 2) | 0)
#define	HIT_WRITE_BACK_D   ((6 << 2) | 1)
#define	D_CACHE_LINE_SIZE   (16)
#define	CAUSE_IRQ_PRE_NMI   (1 << 12)
#define	CAUSE_EXC_CODE_MASK   (0x7C)
#define	CAUSE_EXC_CODE_WATCH   (0x5C)
#define	WATCHLO_W   (1 << 0)
#define	RELOCATED_EXCEPTION_HANDLER_ADDRESS   (0x80000120)
#define	EXCEPTION_HANDLER_ADDRESS   (0x80000180)
#define	PATCHER_ADDRESS   (0x80700000)
#define	ENGINE_TEMPORARY_ADDRESS   (PATCHER_ADDRESS + 0x10000)
#define	DEFAULT_ENGINE_ADDRESS   (0x807C5C00)
#define	IS_WIDTH_16(t)
#define	IS_CONDITION_NOT_EQUAL(t)
#define	IS_CONDITION_GS_BUTTON(t)
#define	IS_TYPE_REPEATER(t)
#define	IS_TYPE_WRITE(t)
#define	IS_TYPE_CONDITIONAL(t)
#define	IS_DOUBLE_ENTRY(t)

Enumerations
enum	cheat_type_special_t { SPECIAL_DISABLE_EXPANSION_PAK = 0xEE , SPECIAL_WRITE_BYTE_ON_BOOT = 0xF0 , SPECIAL_WRITE_SHORT_ON_BOOT = 0xF1 , SPECIAL_SET_STORE_LOCATION = 0xFF }
	Special cheat types enumeration. More...

Functions
bool	cheats_install (cic_type_t cic_type, uint32_t *cheat_list)
	Install the cheat engine.

Detailed Description

Cheat Engine Implementation.

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Data Structure Documentation

cheat_t

struct cheat_t

Cheat structure.

Data Fields
uint8_t	type	Cheat type
uint32_t	address	Cheat address
uint16_t	value	Cheat value

cheat_entry_t

struct cheat_entry_t

Cheat entry structure.

Data Fields
cheat_t	main	Main cheat
cheat_t	sub	Sub cheat

Macro Definition Documentation

IS_WIDTH_16

#define IS_WIDTH_16

(

t

)

Value:

((t) & (1 << 0))

IS_CONDITION_NOT_EQUAL

#define IS_CONDITION_NOT_EQUAL

(

t

)

Value:

((t) & (1 << 1))

IS_CONDITION_GS_BUTTON

#define IS_CONDITION_GS_BUTTON

(

t

)

Value:

((t) & (1 << 3))

IS_TYPE_REPEATER

#define IS_TYPE_REPEATER

(

t

)

Value:

((t) == 0x50)

IS_TYPE_WRITE

#define IS_TYPE_WRITE

(

t

)

Value:

((((t)&0xF0) == 0x80) || (((t)&0xF0) == 0xA0))

IS_TYPE_CONDITIONAL

#define IS_TYPE_CONDITIONAL

(

t

)

Value:

(((t)&0xF0) == 0xD0)

IS_DOUBLE_ENTRY

#define IS_DOUBLE_ENTRY

(

t

)

Value:

(IS_TYPE_CONDITIONAL(t) || IS_TYPE_REPEATER(t))

Enumeration Type Documentation

cheat_type_special_t

enum cheat_type_special_t

Special cheat types enumeration.

Enumerator
SPECIAL_DISABLE_EXPANSION_PAK	Disable Expansion Pak
SPECIAL_WRITE_BYTE_ON_BOOT	Write byte on boot
SPECIAL_WRITE_SHORT_ON_BOOT	Write short on boot
SPECIAL_SET_STORE_LOCATION	Set store location

Function Documentation

cheats_install()

bool cheats_install	(	cic_type_t	cic_type,
		uint32_t *	cheat_list )

Install the cheat engine.

Installs cheats based on the CIC type.

Parameters

cic_type	The CIC type.
cheat_list	Pointer to the cheat list.

Returns

true if successful, false otherwise.