{"id":37114304,"url":"https://github.com/lukepeterson/go8080cpu","last_synced_at":"2026-01-14T13:27:14.978Z","repository":{"id":240609162,"uuid":"803092860","full_name":"lukepeterson/go8080cpu","owner":"lukepeterson","description":"My Intel 8080 CPU emulator - in Go!","archived":false,"fork":false,"pushed_at":"2025-07-27T11:07:04.000Z","size":1824,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"main","last_synced_at":"2025-07-27T13:06:52.965Z","etag":null,"topics":["8080","8080a","build-your-own-x","cpu","cpu-emulator","emulator","from-scratch","go","golang","intel","tests"],"latest_commit_sha":null,"homepage":"","language":"Go","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/lukepeterson.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2024-05-20T03:52:39.000Z","updated_at":"2025-07-27T11:06:38.000Z","dependencies_parsed_at":"2024-05-28T13:18:26.980Z","dependency_job_id":"b8082625-b09a-4ee4-b336-67a23d8fd28a","html_url":"https://github.com/lukepeterson/go8080cpu","commit_stats":null,"previous_names":["lukepeterson/gocpu","lukepeterson/go8080cpu"],"tags_count":80,"template":false,"template_full_name":null,"purl":"pkg:github/lukepeterson/go8080cpu","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lukepeterson%2Fgo8080cpu","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lukepeterson%2Fgo8080cpu/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lukepeterson%2Fgo8080cpu/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lukepeterson%2Fgo8080cpu/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/lukepeterson","download_url":"https://codeload.github.com/lukepeterson/go8080cpu/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lukepeterson%2Fgo8080cpu/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":28421181,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-01-14T10:47:48.104Z","status":"ssl_error","status_checked_at":"2026-01-14T10:46:19.031Z","response_time":107,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["8080","8080a","build-your-own-x","cpu","cpu-emulator","emulator","from-scratch","go","golang","intel","tests"],"created_at":"2026-01-14T13:27:14.324Z","updated_at":"2026-01-14T13:27:14.955Z","avatar_url":"https://github.com/lukepeterson.png","language":"Go","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Intel 8080 CPU emulator in Go\n\nThis is my Intel 8080 CPU emulator, written in Go.  I built it because computers are awesome, and it was a great excuse to also write [an Intel 8080 CPU assembler](https://github.com/lukepeterson/go8080assembler).\n\n[![Tests](https://github.com/lukepeterson/go8080cpu/actions/workflows/go.yml/badge.svg)](https://github.com/lukepeterson/go8080cpu/actions/workflows/go.yml)\n![Go Report Card](https://goreportcard.com/badge/github.com/lukepeterson/go8080cpu)\n![GitHub release](https://img.shields.io/github/v/release/lukepeterson/go8080cpu)\n\n![Running some INR and DCR](./images/running.gif)\n\n## Features\n- :white_check_mark: Registers\n- :white_check_mark: Memory\n- :white_check_mark: Fetch/decode/execute cycle\n- :white_check_mark: [Assembler support](https://github.com/lukepeterson/go8080assembler)\n\n## Instructions supported\n- :white_check_mark: Move, load and store (84 instructions)\n- :white_check_mark: Stack operations (13 instructions)\n- :white_check_mark: Jump (10 instructions)\n- :white_check_mark: Call (9 instructions)\n- :white_check_mark: Return (9 instructions)\n- :white_check_mark: Restart (8 instructions)\n- :white_check_mark: Increment and decrement (22 instructions)\n- :white_check_mark: Add (22 instructions)\n- :white_check_mark: Subtract (18 instructions)\n- :white_check_mark: Logical (36 instructions)\n- :white_check_mark: Rotate (4 instructions)\n- :white_check_mark: Specials (4 instructions)\n- :white_check_mark: Input/output (2 instructions)\n- :white_check_mark: Control (4 instructions)\n\n## Future enhancements\n- Replace the memory locations in tests with labels once the assembler supports them.\n\n# Running tests\nRun `go test ./...`.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flukepeterson%2Fgo8080cpu","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flukepeterson%2Fgo8080cpu","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flukepeterson%2Fgo8080cpu/lists"}