kolibrios/programs/games/2048/config.c

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#include "config.h"
#pragma pack(push,1)
typedef struct {
__u32 func;
__u32 l_off;
__u32 h_off_flags;
__u32 size;
char* data;
char null;
char* name;
} fs_info;
#pragma pack(pop)
char path[] = "/sys/games/2048.dat";
__u32 config_load_highscore()
{
__u32 highscore = 0;
fs_info cfg = {0};
cfg.func = 0;
cfg.size = sizeof(__u32);
cfg.data = (char*)&highscore;
cfg.name = path;
__u32 ret = 0;
__u32 rnum = 0;
__asm__ __volatile__("int $0x40":"=a"(ret),"=b"(rnum):
"a"(70),
"b"((__u32)(&cfg)):
"memory");
if (ret || (rnum != 4)) highscore = 0;
return highscore;
}
void config_save_highscore(__u32 score)
{
fs_info cfg = {0};
cfg.func = 2;
cfg.size = sizeof(__u32);
cfg.data = (char*)&score;
cfg.name = path;
__u32 ret = 0;
__u32 wnum = 0;
__asm__ __volatile__("int $0x40":"=a"(ret),"=b"(wnum):
"a"(70),
"b"((__u32)(&cfg)):
"memory");
}