# 4917emu Micro Processor Emu — Learn How To CODE

> Educational tool to learn computer coding and microprocessor basics. (iPhone/iPad app by Michael Mustun.)

- Source: https://appshunter.io/ios/app/4917emu-micro-processor-emu/id572103567 (this page in markdown: same URL + `.md`)
- Developer: [Michael Mustun](https://appshunter.io/developer/572103590)
- Category: Education, Utilities
- Price: $2.99
- Rating: 5.00/5 from 2 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 1 MB
- Languages: English
- Released: 2012-11-02
- Data updated: 2026-07-25
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/4917emu-micro-processor-emu/id572103567/reviews.md

## What is 4917emu Micro Processor Emu?

Just learn how to CODE a computer: The very basic principles of any computer.

Most people learn how exactly a computer works by buying this App. Learn how to CODE. Tell me how a microprocessor works. Here you can learn it. Please like my App and write a customer review.

4917emu is an hypothetical microprocessor that was used in a computer course named COMP1917 at the UNSW University of New South Wales to teach microprocessor basics. It is 4bit, has 16 memory locations and 4 registers:
- Instruction Pointer (IP),
- Instruction Store (IS),
- General Register 0 (R0) and
- General Register 1 (R1).

Each memory location can store a number between 0 and 15, and there are 16 instructions. 

There is a Extended Instruction Code set.

For example the following 4917 machine code program would print the numbers from zero to 15: 8 0 3 11 1 15 0.

Happy hacking ;)

## Key features

- Learn computer coding principles
- Understand microprocessor functions
- Simulates a 4-bit hypothetical microprocessor
- Features 16 memory locations
- Includes 4 registers (IP, IS, R0, R1)
- Supports 16 instructions

## Chart rankings

- #189 in Top Paid · Education (US App Store)

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/4917emu-micro-processor-emu/id572103567/reviews.md

### 5/5 — Gr8

*2017-11-24*

I wrote a code that does the example code backwards
[8,15][5][11][1,15]

### 1/5 — Not good

*2013-03-16*

It crashes before it even starts on my IPad with IOS 5.1.1. I would rate it 0 stars because it doesn't work but to submit this I have to rate it 1 star.

**Developer response:** Please contact us via support link for this App and include a screenshot and a report (which OS etc.) so that we can debug your problem. We are listening.

### 1/5 — Mr EmdryK

*2013-03-15*

Won't even start on my iPad 1 32gig iOS 5.11 just crashes out.
Wish someone would write 6502 or Z80 simulator for iPad.

**Developer response:** Please contact us via support link for this App and include a screenshot and a report (which OS etc.) so that we can debug your problem. We are listening.

## Frequently asked questions about 4917emu Micro Processor Emu

### What is 4917emu?

4917emu is a hypothetical 4-bit microprocessor used in the COMP1917 course at UNSW to teach microprocessor basics. It has 16 memory locations and 4 registers.

### How does 4917emu help users learn to code?

It allows users to learn fundamental computer principles by understanding how a microprocessor works. Users can write and execute simple machine code programs, like the example that prints numbers 0 to 15.

### What are the key components of the 4917emu microprocessor?

The microprocessor features an Instruction Pointer (IP), Instruction Store (IS), General Register 0 (R0), and General Register 1 (R1). Each memory location can store numbers from 0 to 15.

### What kind of instructions does 4917emu support?

The microprocessor supports 16 basic instructions, along with an Extended Instruction Code set, enabling users to build simple programs.

### Is 4917emu available on multiple devices?

Yes, 4917emu is supported on iPhone, iPad, and iPod, making it accessible for learning on various Apple devices.

### How often is 4917emu updated?

The application was last updated on September 11, 2023, indicating ongoing support and potential improvements.

### What is the user sentiment for 4917emu?

Based on the available data, 4917emu has received a perfect 5.0-star rating from 2 reviews, suggesting very positive user sentiment.

### Does 4917emu have ads?

No, 4917emu does not contain advertisements, providing an uninterrupted learning experience for users.

## Version history (last 5 releases)

### 6.0.1 — 2026-06-19

recompiled for newer versions

### 5.0.0 — 2023-09-11

Bug fixing. New Layout.

### 4.0.2 — 2019-06-16

We update the app regularly so we can make it better. Get the latest version for all available features. This version includes bug fixes and performance improvements.

### 4.0.1 — 2017-11-05

Added support for iPhone X

### 3.0.1 — 2016-02-19

- Supporting iOS 9.1. Starting from iOS 6.0+
- Double click on output to exand it.
- Report feedback to (we are listening): http://www.flagsoft.com/cmswp/en/apps/4917emu-microprocessor-emulator/

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All apps by Michael Mustun: https://appshunter.io/developer/572103590

## Related topics

[4917emu micro processor emu](https://appshunter.io/ios/topics/4917emu-micro-processor-emu)

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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 2026-07-25.*