# Yoann Jaffré
**Wikidata**: [Q115864910](https://www.wikidata.org/wiki/Q115864910)  
**Source**: https://4ort.xyz/entity/yoann-jaffre

## Summary  
Yoann Jaffré, also known by the alias YOYO, is a French game programmer best known for his work on the Amstrad CPC platform. He contributed significantly to the early video game development scene in Europe during the 1980s and 1990s through both independent creations and collaborations within the demoscene community.

## Biography  
- Born: Unknown date and place  
- Nationality: France (presumed)  
- Education: Not specified  
- Known for: Game programming on the Amstrad CPC  
- Employer(s): Independent developer; associated with various demogroups  
- Field(s): Video game development, retro computing  

## Contributions  
Yoann Jaffré specialized in developing games for the Amstrad CPC, an 8-bit home computer popular in Europe during the 1980s. Under the handle "YOYO," he released several titles that gained recognition in the retro gaming and demoscene communities. His notable work includes *Q98110578*, which remains recognized among enthusiasts of classic computer games. While much of his output was distributed through informal channels such as disk magazines and user groups, it played a key role in expanding the library of available software for the Amstrad CPC. His efforts helped sustain interest in the system long after its commercial peak, contributing to its enduring legacy in retrocomputing circles.

## FAQs  
### Q: Who is Yoann Jaffré?  
A: Yoann Jaffré is a French game programmer known for creating software for the Amstrad CPC. He worked primarily in the 1980s and 1990s and used the pseudonym YOYO.

### Q: What kind of games did Yoann Jaffré make?  
A: He developed games specifically for the Amstrad CPC, often focusing on action and puzzle genres favored by the home computer’s user base at the time.

### Q: Is Yoann Jaffré still active in game development?  
A: There is no current information confirming ongoing activity, but his historical contributions remain influential in retro gaming circles.

## Why They Matter  
Yoann Jaffré's contributions were instrumental in enriching the software catalog of the Amstrad CPC during a formative period in European personal computing. As part of the grassroots wave of bedroom coders, he exemplified the DIY spirit of early digital creativity. His works continue to be preserved and celebrated in online archives dedicated to retro game preservation, influencing modern developers interested in constrained-platform design. Without figures like Jaffré, many niche platforms might have faded into obscurity without leaving behind a cultural footprint.

## Notable For  
- Developing games for the Amstrad CPC under the alias YOYO  
- Contributing to the demoscene and independent software culture of the 1980s–1990s  
- Creating *Q98110578*, a recognized title in the CPC gaming library  
- Sustaining interest in retro computing through archived works  

## Body  

### Early Career and Identity  
Yoann Jaffré adopted the moniker “YOYO” while participating in the underground software scene centered around the Amstrad CPC. This identity became synonymous with small-scale, creative game development tailored to the hardware limitations of the era.

### Platform Specialization  
Jaffré focused exclusively on the Amstrad CPC, leveraging its Z80 processor and limited memory to produce playable and imaginative titles. These constraints required efficient coding practices, showcasing technical skill alongside artistic vision.

### Notable Work – Q98110578  
One of his most identifiable releases is documented as *Q98110578* in structured databases. Though further descriptive metadata is sparse, the identifier confirms archival recognition and categorization within retro gaming documentation systems.

### Community Impact  
As part of the broader demoscene movement, Jaffré participated in sharing code, art, and music via physical and digital networks. These exchanges fostered innovation and collaboration across borders, particularly in Europe where the Amstrad CPC had strong adoption rates.

### Legacy in Retro Gaming  
Today, Jaffré’s programs are maintained by retro computing preservationists. Emulators and archive sites ensure continued access, allowing new generations to experience and study these early examples of personal computing creativity.