#include <nds.h>

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <fat.h>
#include <sys/iosupport.h>

#include "dsCard.h"
#include "GBA_ini.h"
#include "ctrl_tbl.h"

struct ctrl_tbl ctrl;

extern int carttype;

#ifdef __cplusplus
extern "C" {
#endif

extern void _RamPG(void);
extern void _RamSave(int bnk);
extern bool isOmega;
extern bool isSuperCard;

#ifdef __cplusplus
}
#endif


void ctrl_get() {
	FILE *exp;
	char expfile[64];

	memset((u8*)&ctrl, 0, sizeof(struct ctrl_tbl));

	if(carttype != 5 && !isSuperCard && !isOmega) {
		_RamPG();
		ReadSram(SRAM_ADDR, (u8*)&ctrl, sizeof(struct ctrl_tbl));
		_RamSave(0);
		return;
	}

	if (isSuperCard) {
		sprintf(expfile, "%s/SUPERCRD.dat", ini.sign_dir);
	} else if (isOmega) {
		sprintf(expfile, "%s/OMEGA.dat", ini.sign_dir);
	} else {
		sprintf(expfile, "%s/EXP128K.dat", ini.sign_dir);
	}
	exp = fopen(expfile, "rb");
	if(exp != NULL) {
		fread(&ctrl, 1, sizeof(struct ctrl_tbl), exp);
		fclose(exp);
	}
}

void ctrl_set() {
	FILE *exp;
	char expfile[64];
	
	if(carttype != 5 && !isSuperCard && !isOmega) {
		_RamPG();
		WriteSram(SRAM_ADDR, (u8*)&ctrl, sizeof(struct ctrl_tbl));
		_RamSave(0);
		return;
	}
	
	if (isSuperCard) {
		sprintf(expfile, "%s/SUPERCRD.dat", ini.sign_dir);
	} else if (isOmega) {
		sprintf(expfile, "%s/OMEGA.dat", ini.sign_dir);
	} else {
		sprintf(expfile, "%s/EXP128K.dat", ini.sign_dir);
	}
	exp = fopen(expfile, "wb");
	if(exp != NULL) {
		fwrite(&ctrl, 1, sizeof(struct ctrl_tbl), exp);
		fclose(exp);
	}
}