# ASM 8086 Emulator & Compiler — Learn, Code & Debug Assembly

> Learn, Code & Debug Assembly (iPhone/iPad app by 玥铮 李.)

- Source: https://appshunter.io/ios/app/asm-8086-emulator-and-compiler/id6760124487 (this page in markdown: same URL + `.md`)
- Developer: [玥铮 李](https://appshunter.io/developer/1814853486)
- Category: Developer Tools, Utilities
- Price: $1.99
- Age rating: 4+
- Requires: iOS 17.6 · 5 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-03-05
- Data updated: 2026-09-05
- User reviews in markdown: https://appshunter.io/ios/app/asm-8086-emulator-and-compiler/id6760124487/reviews.md

## What is ASM 8086 Emulator & Compiler?

Master the foundations of computer architecture with the most comprehensive 8086 assembly environment for mobile and desktop. This app transforms your device into a powerful 16-bit workstation, allowing you to write, compile, and debug x86 code without the need for complex virtual machines or DOSBox configurations.
Technical Capabilities
	•	Fully integrated 8086 CPU emulation supporting over 60 essential instructions.
	•	Built-in NASM-compatible assembler for instant execution.
	•	Real-time disassembly view to bridge the gap between source code and machine language.
	•	Authentic 1MB memory mapping simulating a true real-mode environment.
Advanced Debugging Suite
	•	Precise control with breakpoints and single-step execution.
	•	Live register monitoring for AX, BX, CX, DX, SP, BP, SI, and DI.
	•	Visual FLAGS register tracking (Carry, Zero, Sign, etc.).
	•	Deep memory inspection with a hex-based editor.
	•	Execution logs to trace every instruction cycle.
Hardware & System Services
	•	BIOS INT 10h support for screen control, cursor manipulation, and scrolling.
	•	DOS INT 21h support for keyboard input, string output, and program termination.
Optimized for Learning
	•	Pre-loaded templates ranging from basic logic to complex algorithms.
	•	Syntax-highlighted editor optimized for low-level coding.
	•	Native performance across iPhone, iPad, and Mac with keyboard shortcut support.
Perfect for CS students, OS developers, and retro-computing enthusiasts seeking to understand how software interacts with hardware at the lowest level.


## Version history (last 1 release)

### 1.0 — 2026-03-05

No release notes.

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All apps by 玥铮 李: https://appshunter.io/developer/1814853486

## Related topics

[8086 simulator](https://appshunter.io/ios/topics/8086-simulator) · [8086](https://appshunter.io/ios/topics/8086)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-05.*