RetroAsm68000

[ 100% Free / Completely Free ] No Ads / No In-App Purchases / Works 100% Offline 

Overview

RetroAsm68000 is a high-precision Motorola 68000 assembler and real-time emulator/debugger environment for Android devices, designed for retro computing enthusiasts, homebrew developers, and low-level programming learners. Recreate and experience the iconic 16-bit architecture that powered legendary consoles and computers.

Key Features 

1. Comprehensive 68000 Emulation & Assembler

  ・ Complete Instruction Set: Full support for standard Motorola 68000 instructions and all complex addressing modes (Data/Address register direct, indirect with displacement/index, absolute, PC-relative, and immediate).

  ・ Full Privilege Level Support: Accurately simulates User Mode and Supervisor Mode behaviors, including privileged instructions like STOP, RESET, and RTE.

  ・ Exception & Status Register Control: Faithful simulation of the Status Register (SR / CCR), Supervisor Stack Pointer (SSP), User Stack Pointer (USP), and exception processing mechanisms.

2. Integrated Assembler & Real-Time Debugger

  ・ Fast and lightweight assembling directly inside the application.

  ・ Real-time visual monitoring of all 16 general-purpose registers (D0-D7, A0-A7), Program Counter (PC), and Status Register (SR/CCR flags).

  ・ Interactive memory viewer and execution inspection to make debugging 16-bit assembly intuitive and accessible on Android.

Privacy & Security 

・ 100% Offline & Local: Runs entirely on your device with no internet connection required.

・ Zero Data Collection: No ads, no analytics, and zero personal data tracked, stored, or sent.

System Requirements 

  ・ Platform: Android

  ・ OS Version: Android 8.0 (Oreo / API level 26) or higher

  ・ File Format: APK 

[ Credit & Copyright ]

 Developer: Studio Mars

 Copyright © 2026 Studio Mars. All rights reserved.

Feedback & Support

If you find any bugs or have suggestions for new features, please leave a comment in the community section below!