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!
