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jint JNI_OnLoad(JavaVM *jvm, void *) {
    JNIEnv *env;
    jclass clazz;

    if (jvm->GetEnv((void **) &env, JNI_VERSION_1_6) != JNI_OK) {
        return JNI_ERR;
    }

    jclass vm = env->FindClass("dalvik/system/VMRuntime");
    jclass string = env->FindClass("java/lang/String");

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#include <unistd.h>
#include <string>
#include <cinttypes>
#include <android/log.h>
#include <sys/system_properties.h>

using namespace std;

extern "C" {

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.segment "HEADER"
  .byte "NES", $1A ; Constant
  .byte 2 ; 2 x 16KB PRG ROM
  .byte 1 ; 1 x 8KB CHR ROM

.segment "CHARS"
  ;-------------------------------------------------------------
  ; CREATE SPRITES
  ;-------------------------------------------------------------
  ; The following creates one sprite. The following two bitmaps

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;  ___           _        __ ___  __ ___
; / __|_ _  __ _| |_____ / /| __|/  \_  )
; \__ \ ' \/ _` | / / -_) _ \__ \ () / /
; |___/_||_\__,_|_\_\___\___/___/\__/___|

; An annotated version of the snake example from Nick Morgan's 6502 assembly tutorial
; on http://skilldrick.github.io/easy6502/ that I created as an exercise for myself
; to learn a little bit about assembly. I **think** I understood everything, but I may
; also be completely wrong :-)

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/**
 * Educational "Free-list" memory allocator.
 *
 * Maintains explicit list of free memory blocks, reuses blocks on free.
 * Implements "first-fit" strategy. Uses pre-allocated heap of 64 bytes,
 * with 32-bit machine word size.
 *
 * TODO:
 *
 *   - Implement "best-fit" strategy

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/**
 * Writing a Mark-Sweep Garbage Collector in C++.
 *
 * This is a source code for the Lecture 9 from the
 * Essentials of Garbage Collectors course:
 *
 * http://dmitrysoshnikov.com/courses/essentials-of-garbage-collectors/
 *
 * See full details in:
 *

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let offset = 20000;
let chunk_size = 10000;

// File handle:
let mut handle = BufReader::new(File::open("data.bin").await?);

// Set cursor to needed chunk:
let mut chunk_stream = handle
    .bytes()
    .skip(offset)

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/**
 * Basic Array class, similar to std::array.
 *
 * by Dmitry Soshnikov <[email protected]>
 * MIT Style License (C) 2020
 */

#ifndef __Array_h
#define __Array_h

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JNI Example (Mac OS)

JNI (Java Native Interface) allows implementing methods in C/C++, and use them in Java.

1. Create JNIExample.java file

class JNIExample {

  // Native method, no body.

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/*
 * Copyright (c) 1996, 1998, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *