Using an AI coding agent with oracle-based testing to build a game emulator
The article discusses the author's journey of creating a game emulator using an AI coding agent. It highlights the challenges faced during the development process and the importance of using a test oracle for validation. The author reflects on their early experiences with computing devices and how they inspired this project.
- ▪The author aimed to build a game emulator from scratch due to issues with existing emulators breaking on OS updates.
- ▪They utilized a test oracle to validate their new code against a trusted reference implementation.
- ▪By mid-March, the author had developed a mostly working CPU core but had not yet integrated other essential components.
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Story provenance
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Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | Keanw |
| Canonical URL | https://keanw.com/2026/03/a-diary-of-an-agentic-retro-gamer-part-1.html |
| Publication time | Fri, 05 Jun 2026 23:43:13 +0000 |
| Retrieval time | 2026-06-06T00:43:00.622Z |
| Last seen | 2026-06-06T00:43:00.622Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | q0ZEl_kewIG9 |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Share on XLinkedInWhatsAppEmailCopy Link document.addEventListener("DOMContentLoaded", function() { var copyLinks = document.querySelectorAll("a[data-platform='copy-link']"); copyLinks.forEach(function(link) { if (link.hasAttribute("data-listener-added")) return; link.setAttribute("data-listener-added", "true"); link.addEventListener("click", function(e) { e.preventDefault(); var tempInput = document.createElement("input"); tempInput.value = window.location.href; document.body.appendChild(tempInput); tempInput.select(); document.execCommand("copy"); document.body.removeChild(tempInput); var originalText = this.querySelector(".social-sharing-icon-label")?.textContent || ""; var originalTitle = this.getAttribute("title"); var originalIcon = this.querySelector("svg").outerHTML; // Show…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Keanw.
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