mirror of https://github.com/bsnes-emu/bsnes.git
25 lines
1.2 KiB
C
25 lines
1.2 KiB
C
/* Macros to make the GB_gameboy_t struct more future compatible when state saving */
|
|
#ifndef save_state_h
|
|
#define save_state_h
|
|
#include <stddef.h>
|
|
|
|
#define GB_PADDING(type, old_usage) type old_usage##__do_not_use
|
|
|
|
#define GB_SECTION(name, ...) __attribute__ ((aligned (8))) union {uint8_t name##_section_start; struct {__VA_ARGS__};}; uint8_t name##_section_end[0]
|
|
#define GB_SECTION_OFFSET(name) (offsetof(GB_gameboy_t, name##_section_start))
|
|
#define GB_SECTION_SIZE(name) (offsetof(GB_gameboy_t, name##_section_end) - offsetof(GB_gameboy_t, name##_section_start))
|
|
#define GB_GET_SECTION(gb, name) ((void*)&((gb)->name##_section_start))
|
|
|
|
#define GB_aligned_double __attribute__ ((aligned (8))) double
|
|
|
|
|
|
/* Public calls related to save states */
|
|
int GB_save_state(GB_gameboy_t *gb, const char *path);
|
|
size_t GB_get_save_state_size(GB_gameboy_t *gb);
|
|
/* Assumes buffer is big enough to contain the save state. Use with GB_get_save_state_size(). */
|
|
void GB_save_state_to_buffer(GB_gameboy_t *gb, uint8_t *buffer);
|
|
|
|
int GB_load_state(GB_gameboy_t *gb, const char *path);
|
|
int GB_load_state_from_buffer(GB_gameboy_t *gb, const uint8_t *buffer, size_t length);
|
|
#endif /* save_state_h */
|