This repository has been archived on 2022-05-31. You can view files and clone it, but cannot push or open issues or pull requests.
Luma3DS-3GX/thread/source/thread.c

59 lines
1.4 KiB
C

/*
* thread.c
* by Reisyukaku
* Copyright (c) 2015 All Rights Reserved
*/
#include <wchar.h>
#include <stdio.h>
#include "thread.h"
#include "lib.h"
#include "FS.h"
//ram stuff
#define VRAM (unsigned char*)0x18000000
#define FCRAM (unsigned char*)0x20000000
#define FCRAM_EXT (unsigned char*)0x28000000
//file stuff
#define READ 0
#define WRITE 1
unsigned char handle[32];
void fileReadWrite(void *buf, void *path, int size, char rw){
unsigned int br = 0;
memset(&handle, 0, 32);
fopen9(&handle, path, 6);
if(rw == 0) fread9(&handle, &br, buf, size);
else fwrite9(&handle, &br, buf, size);
fclose9(&handle);
}
void memdump(void* filename, void* buf, unsigned int size){
fileReadWrite(buf, filename, size, WRITE);
memset(VRAM+0x1E6000, 0xFF, 0x46500);
}
void patches(void){
//Change version string
for(int i = 0; i < 0x600000; i+=4){
if(strcomp((void*)0x27B00000 - i, (void*)L"Ver.", 4)){
if(strcomp((void*)0x27B00000 - i + 0x0A, (void*)L"%d.%d.%d-%d", 11)) strcopy((void*)0x27B00000 - i, (void*)L"\uE024Rei", 4);
}
}
}
void thread(void){
while(1){
if(isPressed(BUTTON_START | BUTTON_X)){
unsigned char buf[0x10] = {0};
int loc = 0;
fileReadWrite(buf, L"sdmc:/rei/RAM.txt", 0x20, READ);
loc = atoi(buf);
memdump(L"sdmc:/RAMdmp.bin", (void*)loc, 0x500000);
}
patches();
}
__asm("SVC 0x09");
}