{"adoption": {"forks": 159, "observed_at": "2026-08-28T04:06:03.082324+00:00", "stars": 1990}, "canonical_url": "https://ross.abutalabs.com/products/simple-computer", "card": {"archived": false, "artifact_type": "library", "description": "the scott CPU from \"But How Do It Know?\" by J. Clark Scott", "domain": ["education", "simulation", "hardware", "developer-tools"], "enriched": true, "function": ["simulation", "interpreter", "graphics"], "health_score": 71, "homepage": null, "language": "Go", "license": null, "license_family": "other", "maturity": "active", "member_repos": ["djhworld/simple-computer"], "name": "djhworld/simple-computer", "platform": ["cross-platform"], "pushed_at": "2026-05-29T11:25:55+00:00", "repo": "djhworld/simple-computer", "stars": 1990, "tags": ["cpu-simulator", "logic-gates", "nand-gates", "16-bit-cpu", "assembly", "educational", "computer-architecture", "scott-cpu", "emulator", "desktop"], "topics": [], "urls": [], "use_cases": ["simulate a CPU built from logic gates", "learn how CPUs work at the gate level", "write and run assembly programs on a simple 16-bit machine", "study computer architecture concepts like ALU and control unit", "visualize CPU execution with a screen output", "teach low-level computing fundamentals"], "what_it_is": "A Go-based simulator of the 16-bit CPU described in 'But How Do It Know?' by J. Clark Scott, built from NAND gates up through registers, RAM, ALU, and control unit. It includes an assembler, a graphical display, and I/O support, making it a fully functional educational machine.", "when_to_avoid": ["you need a production-grade or performant CPU emulator", "you require modern CPU features like interrupts, stacks, or floating point", "you want to simulate a real-world commercial processor", "you need a general-purpose virtual machine for running real software"], "when_to_choose": ["you want to understand CPU internals from NAND gates upward", "you're following the 'But How Do It Know?' book and want a working model", "you need an educational, hackable CPU simulator in Go", "you want to experiment with assembly on a minimal architecture"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/simple-computer", "repo": "djhworld/simple-computer", "role": "main", "score": 70}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:06:03.082324+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:02:43.719822+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1a2c9a169b677c82864c66a9caf99e51dcedb8d54b46e8b3caccc2f958e543b2", "fetched_at": "2026-08-28T04:06:03.082324+00:00", "kind": "readme", "missing": false, "url": "https://github.com/djhworld/simple-computer"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:06:03.082324+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:02:43.719822+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1a2c9a169b677c82864c66a9caf99e51dcedb8d54b46e8b3caccc2f958e543b2", "fetched_at": "2026-08-28T04:06:03.082324+00:00", "kind": "readme", "missing": false, "url": "https://github.com/djhworld/simple-computer"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:02:43.719822+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1a2c9a169b677c82864c66a9caf99e51dcedb8d54b46e8b3caccc2f958e543b2", "fetched_at": "2026-08-28T04:06:03.082324+00:00", "kind": "readme", "missing": false, "url": "https://github.com/djhworld/simple-computer"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:06:03.082324+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:06:03.082324+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:06:03.082324+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:02:43.719822+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1a2c9a169b677c82864c66a9caf99e51dcedb8d54b46e8b3caccc2f958e543b2", "fetched_at": "2026-08-28T04:06:03.082324+00:00", "kind": "readme", "missing": false, "url": "https://github.com/djhworld/simple-computer"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:06:03.082324+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:06:03.082324+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:02:43.719822+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1a2c9a169b677c82864c66a9caf99e51dcedb8d54b46e8b3caccc2f958e543b2", "fetched_at": "2026-08-28T04:06:03.082324+00:00", "kind": "readme", "missing": false, "url": "https://github.com/djhworld/simple-computer"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:06:03.082324+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:06:03.082324+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:06:03.082324+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:02:43.719822+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1a2c9a169b677c82864c66a9caf99e51dcedb8d54b46e8b3caccc2f958e543b2", "fetched_at": "2026-08-28T04:06:03.082324+00:00", "kind": "readme", "missing": false, "url": "https://github.com/djhworld/simple-computer"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:06:03.082324+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:06:03.082324+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:02:43.719822+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1a2c9a169b677c82864c66a9caf99e51dcedb8d54b46e8b3caccc2f958e543b2", "fetched_at": "2026-08-28T04:06:03.082324+00:00", "kind": "readme", "missing": false, "url": "https://github.com/djhworld/simple-computer"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:02:43.719822+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1a2c9a169b677c82864c66a9caf99e51dcedb8d54b46e8b3caccc2f958e543b2", "fetched_at": "2026-08-28T04:06:03.082324+00:00", "kind": "readme", "missing": false, "url": "https://github.com/djhworld/simple-computer"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:02:43.719822+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1a2c9a169b677c82864c66a9caf99e51dcedb8d54b46e8b3caccc2f958e543b2", "fetched_at": "2026-08-28T04:06:03.082324+00:00", "kind": "readme", "missing": false, "url": "https://github.com/djhworld/simple-computer"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:02:43.719822+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1a2c9a169b677c82864c66a9caf99e51dcedb8d54b46e8b3caccc2f958e543b2", "fetched_at": "2026-08-28T04:06:03.082324+00:00", "kind": "readme", "missing": false, "url": "https://github.com/djhworld/simple-computer"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 84, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases", "no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2669, "days_push": 96, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 70, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}