Nestalgia

Nestalgia is a cross-platform and high-accuracy NES/Famicom emulator built in Kotlin. It's being ported from discontinued Mesen NES/Famicom emulator built in C++ and C#.

It implements only the emulator (no debugging tools).

Features

• High Accuracy
• High Compatibility: Over 300 mappers supported
• NES, Famicom, Famicom Disk System, Dendy, Vs. System, NSF and NSFe emulation are supported
• Save States, Battery, Overclocking and Cheat Codes
• Configurable Region and Speed
• Fullscreen and Screenshot support
• Audio, Video, Controller and Emulation config support
• Over 20 controllers supported
• Gamepad Support

Library

Install

Add it to your build.gradle:

repositories {
    maven { url "https://jitpack.io" }
}

and:

dependencies {
    implementation "com.github.tiagohm:nestalgia:core:main-SNAPSHOT"
}

Desktop

• Windows
• Linux

Before running, check if you have Java 17 or newer installed.

Gamepad Support

• The gamepad support for Desktop version uses Jamepad
• The first detected gamepad will be used as Standard Controller 1, and the second will be Standard Controller 2
• Y Button will take a screenshot
• X Button will save the game's state
• LB/RB restore the previous/next saved game's state
• Left thumbstick can be used as D-Pad