--- title: "ZX81 Resources" type: "article" slug: "zx81-resources" url: "http://localhost/article/zx81-resources/" markdown_url: "http://localhost/article/zx81-resources.md" published_at: "2020-10-27T17:09:05+00:00" modified_at: "2025-11-04T13:21:01+00:00" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "Larken LDOS, Eprom Services Programmer, modified version of program that appeared in Compute." category: - name: "T-S Horizons" slug: "t-s-horizons" taxonomy: "category" url: "http://localhost/category/periodicals/t-s-horizons/" post_tag: - name: "LARKEN Electronics" slug: "larken-electronics" taxonomy: "post_tag" url: "http://localhost/tag/larken-electronics/" - name: "Peter McMullin (company)" slug: "peter-mcmullin" taxonomy: "post_tag" url: "http://localhost/tag/peter-mcmullin/" - name: "TS 1000" slug: "ts1000" taxonomy: "post_tag" url: "http://localhost/tag/ts1000/" - name: "Type-in program" slug: "type-in-program" taxonomy: "post_tag" url: "http://localhost/tag/type-in-program/" - name: "ZX81" slug: "zx81" taxonomy: "post_tag" url: "http://localhost/tag/zx81/" model: - name: "Sinclair ZX81" slug: "zx81" taxonomy: "model" url: "http://localhost/model/zx81/" - name: "Timex/Sinclair 1000" slug: "ts-1000" taxonomy: "model" url: "http://localhost/model/ts-1000/" indiv: - name: "Larry Chavarie" slug: "larry-chavarie" taxonomy: "indiv" url: "http://localhost/indiv/larry-chavarie/" publication: "T-S Horizons" publication_r: id: 10247 title: "T-S Horizons" type: "periodical" url: "http://localhost/periodical/t-s-horizons/" authors: "Peter McMullin" issue: "21" issues_articles: - id: 26864 title: "T-S Horizons n21" type: "issue" url: "http://localhost/issue/t-s-horizons-n21/" pages: "7-9" pubdate: "December 1986" archive_link: false volumeissue: "vn21" companies_articles: - id: 11042 title: "LARKEN Electronics" type: "company" url: "http://localhost/company/larken-electronics/" --- # ZX81 Resources Larken LDOS, Eprom Services Programmer, modified version of program that appeared in Compute.