RetroArch/cheevos/var.h
2019-02-03 15:43:42 -08:00

79 lines
2.2 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2015-2018 - Andre Leiradella
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __RARCH_CHEEVOS_VAR_H
#define __RARCH_CHEEVOS_VAR_H
#include <stdint.h>
#include "cheevos.h"
#include <retro_common_api.h>
RETRO_BEGIN_DECLS
typedef enum
{
CHEEVOS_VAR_SIZE_BIT_0 = 0,
CHEEVOS_VAR_SIZE_BIT_1,
CHEEVOS_VAR_SIZE_BIT_2,
CHEEVOS_VAR_SIZE_BIT_3,
CHEEVOS_VAR_SIZE_BIT_4,
CHEEVOS_VAR_SIZE_BIT_5,
CHEEVOS_VAR_SIZE_BIT_6,
CHEEVOS_VAR_SIZE_BIT_7,
CHEEVOS_VAR_SIZE_NIBBLE_LOWER,
CHEEVOS_VAR_SIZE_NIBBLE_UPPER,
/* Byte, */
CHEEVOS_VAR_SIZE_EIGHT_BITS, /* =Byte, */
CHEEVOS_VAR_SIZE_SIXTEEN_BITS,
CHEEVOS_VAR_SIZE_THIRTYTWO_BITS
} cheevos_var_size_t;
typedef enum
{
/* compare to the value of a live address in RAM */
CHEEVOS_VAR_TYPE_ADDRESS = 0,
/* a number. assume 32 bit */
CHEEVOS_VAR_TYPE_VALUE_COMP,
/* the value last known at this address. */
CHEEVOS_VAR_TYPE_DELTA_MEM,
/* a custom user-set variable */
CHEEVOS_VAR_TYPE_DYNAMIC_VAR
} cheevos_var_type_t;
typedef struct
{
cheevos_var_size_t size;
cheevos_var_type_t type;
int bank_id;
bool is_bcd;
unsigned value;
unsigned previous;
} cheevos_var_t;
void cheevos_var_parse(cheevos_var_t* var, const char** memaddr);
void cheevos_var_patch_addr(cheevos_var_t* var, cheevos_console_t console);
uint8_t* cheevos_var_get_memory(const cheevos_var_t* var);
unsigned cheevos_var_get_value(cheevos_var_t* var);
RETRO_END_DECLS
#endif /* __RARCH_CHEEVOS_VAR_H */