ITotalJustice’s gists

ITotalJustice / main.c

Created September 16, 2023 16:49

n64 main.c, will commit eventually when im done with changes

	#include <stdio.h>
	#include <stdint.h>
	#include <string.h>
	#include <stdlib.h>
	#include <libdragon.h>
	#include <sms.h>

	// todo: use timer_ticks() for benchmarking
	// add timer_ticks() after functions and log the diff
	// then sort the logs that way.

ITotalJustice / hbloader_system.c

Created June 6, 2023 23:48

hbloader, modified to launch nro using path in romfs, and exits correctly. size optimised :)

	#include <switch.h>
	#include <string.h>
	#include <stdlib.h>

	static char g_argv[2048];
	static char g_nextArgv[2048];
	static char g_nextNroPath[FS_MAX_PATH];

	static enum {
	CodeMemoryUnavailable = 0,

ITotalJustice / nro_scan_new.cpp

Created June 5, 2023 17:44

nro scanning code. new code is faster by 0.07 seconds (64 entries, 48 nros) total time 0.30 seconds

	auto nro_parse(FsFileSystem* fs, const char* path, const char* star_path, NroEntry& entry) -> bool {
	Result rc{};
	FsFile f{};
	u64 bytes_read{};

	if (R_FAILED(rc = fsFsOpenFile(fs, path, FsOpenMode_Read, &f))) {
	// std::printf("failed to open: %s\n", path);
	return false;
	}

ITotalJustice / minGlue.c

Last active May 24, 2023 23:38

libnx wrapper for https://github.com/compuphase/minIni

	#include "minGlue.h"
	#include <string.h>

	static bool ini_open(const char* filename, struct NxFile* nxfile, u32 mode) {
	Result rc = {0};
	char filename_buf[FS_MAX_PATH] = {0};

	if (R_FAILED(rc = fsOpenSdCardFileSystem(&nxfile->system))) {
	return false;
	}

ITotalJustice / emummc_detection.cpp

Last active May 20, 2023 22:49

example of how to detect emunand

	struct EmummcPaths {
	char unk[0x80];
	char nintendo[0x80];
	};

	void smcAmsGetEmunandConfig(EmummcPaths* out_paths) {
	SecmonArgs args{};
	args.X[0] = 0xF0000404; /* smcAmsGetEmunandConfig */
	args.X[1] = 0; /* EXO_EMUMMC_MMC_NAND*/
	args.X[2] = (u64)out_paths; /* out path */

ITotalJustice / Makefile

Last active May 20, 2023 16:09

sysmod that patches at boot

	#---------------------------------------------------------------------------------
	.SUFFIXES:
	#---------------------------------------------------------------------------------

	ifeq ($(strip $(DEVKITPRO)),)
	$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
	endif

	TOPDIR ?= $(CURDIR)
	include $(DEVKITPRO)/libnx/switch_rules

ITotalJustice / a.cpp

Last active May 14, 2023 10:26

	// Include the most common headers from the C standard library
	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>
	#include <stdarg.h>

	// Include the main libnx system header, for Switch development
	#include <switch.h>

	// Size of the inner heap (adjust as necessary).

ITotalJustice / gba_bios_hle_lz77.cpp

Created January 24, 2023 06:44

	auto LZ77UnCompReadNormalWrite(Gba& gba, auto fetch_and_write, auto calc_offset) -> bool
	{
	auto src = arm7tdmi::get_reg(gba, 0);
	auto dst = arm7tdmi::get_reg(gba, 1);

	const auto header = mem::read32(gba, src);
	auto len = bit::get_range<8, 31>(header);
	src += 4; // skip over header

	if (!IsValidRange(gba, len, src))

ITotalJustice / jni_stuff.cpp

Last active December 24, 2022 14:28

dumping ground for some jni functions i write

	#include "native_helper.hpp"
	#include <android_native_app_glue.h>
	#include <android/log.h>
	#include <string>

	namespace {

	struct JniHelper
	{
	JniHelper(struct android_app* app)

ITotalJustice / file_picker_jni.cpp

Last active December 19, 2022 03:20

	struct JniHelper
	{
	JniHelper()
	{
	vm = g_App->activity->vm;
	if (vm->GetEnv((void**)&env, JNI_VERSION_1_6))
	{
	if (!vm->AttachCurrentThread(&env, NULL))
	{
	__android_log_print(ANDROID_LOG_INFO, "JNI-TEST", "attaching thread\n");