Nepupu!

nep_nep.c

/*
E20: Vita: 02, PC: 01
E24: Vita: 0B, PC: 0E
E28: Vita: 61, PC: EF
E29: Vita: 03, PC: 00
E2C: Vita: 1C, PC: 00
E2D: Vita: 02, PC: 00

1434: Vita: F1, PC: 11
1435: Vita: 8A, PC: BB
1436: Vita: CF, PC: E0
1437: Vita: 89, PC: 1C

193C: Vita: ED, PC: 0A
193D: Vita: 8E, PC: BF
193E: Vita: CF, PC: E0
193F: Vita: 89, PC: 1C
*/

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]){

	FILE* fd = fopen(argv[1], "rb");

	int pc = 1;
	
	if(fd){
	
		fseek(fd, 0, SEEK_END);
		int len = ftell();
		
		fseek(fd, 0, SEEK_SET);
		
		char *data = malloc(len);
		fread(data, 1, len, fd);
		
		if(pc){
			data[0xE20] = 0x01;
			data[0xE24] = 0x0E;
			data[0xE28] = 0xEF;
			data[0xE29] = 0x00;
			data[0xE2C] = 0x00;
			data[0xE2D] = 0x00;
			
			data[0x1434] = 0x11;
			data[0x1435] = 0xBB;
			data[0x1436] = 0xE0;
			data[0x1437] = 0x1C;
			
			data[0x193C] = 0x0A;
			data[0x193D] = 0xBF;
			data[0x193E] = 0xE0;
			data[0x193F] = 0x1C;
		}else {
			data[0xE20] = 0x02;
			data[0xE24] = 0x0B;
			data[0xE28] = 0x61;
			data[0xE29] = 0x03;
			data[0xE2C] = 0x1C;
			data[0xE2D] = 0x02;
			
			data[0x1434] = 0xF1;
			data[0x1435] = 0x8A;
			data[0x1436] = 0xCF;
			data[0x1437] = 0x89;
			
			data[0x193C] = 0xED;
			data[0x193D] = 0x8E;
			data[0x193E] = 0xCF;
			data[0x193F] = 0x89;
		}
		
		FILE *od = fopen("save.dat", "wb");
		fwrite(data, 1, len, od);
		fclose(od);
		
		fclose(fd);
		free(data);
	}
	
	return 0;
}