--- title: "Key Load" id: 13009 type: "product" slug: "key-load" url: "http://localhost/product/key-load/" markdown_url: "http://localhost/product/key-load.md" published_at: "2019-11-30T01:28:43+00:00" modified_at: "2026-03-22T13:35:37+00:00" author: "David Anderson" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "Unlocks unSAVEable, unLISTable cassette programs. After LOADing this short machine language program, any TS/ZX cassette program subsequently LOADed instantly becomes SAVEable and LISTable. Also allows LOADing two programs, one after another and MERGE them into one program. Display number of bytes remaining in RAM for programming at any time, instantly." category: - name: "Utilities" slug: "utilities" taxonomy: "category" url: "http://localhost/category/software/utilities/" post_tag: - name: "G. Russell Electronics" slug: "g-russell-electronics" taxonomy: "post_tag" url: "http://localhost/tag/g-russell-electronics/" - name: "TS 1000" slug: "ts1000" taxonomy: "post_tag" url: "http://localhost/tag/ts1000/" model: - name: "Timex/Sinclair 1000" slug: "ts-1000" taxonomy: "model" url: "http://localhost/model/ts-1000/" genre: - name: "Software" slug: "software" taxonomy: "genre" url: "http://localhost/type/software/" - name: "Utility" slug: "utility" taxonomy: "genre" url: "http://localhost/type/utility/" company: id: 10889 title: "G. Russell Electronics" type: "company" url: "http://localhost/company/g-russell-electronics/" price: 10 date: 1983 rarity: "Uncommon" articles: - article: id: 24414 title: "Programming Your Computer" type: "article" url: "http://localhost/article/programming-your-computer/" adverts: - publication: - id: 26650 title: "SYNC v3 n4" type: "issue" url: "http://localhost/issue/sync-v3-n4/" advert_page: "97" companies_products: - id: 10889 title: "G. Russell Electronics" type: "company" url: "http://localhost/company/g-russell-electronics/" --- # Key Load Unlocks unSAVEable, unLISTable cassette programs. After LOADing this short machine language program, any TS/ZX cassette program subsequently LOADed instantly becomes SAVEable and LISTable. Also allows LOADing two programs, one after another and MERGE them into one program. Display number of bytes remaining in RAM for programming at any time, instantly.