Assembly Lab: 8086 NASM IDE

8086 NASM emulator & debugger

USD 1.99

Full support for CALL far and JMP far control-flow assembly, far pointers now accept labels and constant expressions, and segment register error messages are clearer. AssemblyLab is a powerful x86 16-bit real mode assembly language simulator designed for iPhone, iPad, and Mac. No complex setup required — learn and practice assembly programming anywhere, anytime. 【CORE FEATURES】 • Complete x86 16-bit CPU emulation with 60+ instructions • NASM syntax assembler — write and run instantly • Real-time disassembly view to understand machine code • Full 1MB memory space, authentic real mode simulation 【POWERFUL DEBUGGING TOOLS】 • Set breakpoints and step through code • Live register monitoring (AX/BX/CX/DX/SP/BP/SI/DI) • Visual FLAGS indicator display • Memory browser with hex view and editing • Execution log to trace every instruction 【BIOS/DOS INTERRUPT SUPPORT】 • INT 10h Video Services: cursor control, character output, screen scrolling • INT 21h DOS Services: keyboard input, string output, program termination 【LEARNING-FRIENDLY】 • Built-in example programs from Hello World to algorithms • Syntax-highlighted code editor • Console output for immediate feedback • Load and run .COM files 【CROSS-PLATFORM EXPERIENCE】 • iPhone: optimized portrait layout • iPad: split-view interface for the big screen • Mac: native support with keyboard shortcuts Perfect for: - Computer Science students - Operating Systems course learners - Reverse engineering beginners - Retro computing enthusiasts - Developers curious about low-level programming AssemblyLab is your ideal companion for exploring how computers really work at the lowest level. Download now and start your assembly journey!

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1. CALL far direct assembly support (`call far seg:offset`) 2. CALL far indirect assembly support (`call far [mem]`) 3. JMP far indirect assembly and execution support (`jmp far [mem]`) 4. Far indirect call/jump disassembly support (`0xFF /3`, `0xFF /5`) 5. Far pointer operands accept labels, EQU constants, and constant expressions 6. Segment register error messages localized and unified

Version 1.4

The developer, Chongqing Hyperits Network Technology Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Provider
    • Chongqing Hyperits Network Technology Co., Ltd.
    Size
    • 10 MB
    Category
    • Developer Tools
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 14 more
    • English, Arabic, Dutch, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese
    Age Rating
    4+
    Copyright
    • © 2026 Chongqing Hyperits Network Technology Co., Ltd.
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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