--- title: "ZX Bug" id: 51820 type: "computer_media" slug: "zx-bug" url: "http://localhost/computer_media/zx-bug/" markdown_url: "http://localhost/computer_media/zx-bug.md" published_at: "2023-08-13T23:14:33+00:00" modified_at: "2026-04-04T08:25:08+00:00" author: "David Anderson" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "ZXBUG is a powerful tool for machine language programming. It is 4K long and uses memory from 71E0h to the top memory." category: - name: "Archived Media" slug: "archived-media" taxonomy: "category" url: "http://localhost/category/archived-media/" post_tag: - name: "Artic Computing" slug: "artic-computing" taxonomy: "post_tag" url: "http://localhost/tag/artic-computing/" - name: "Downloadable" slug: "downloadable" taxonomy: "post_tag" url: "http://localhost/tag/downloadable/" - 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: "Machine Language" slug: "machine-language" taxonomy: "genre" url: "http://localhost/type/machine-language/" - name: "Programming" slug: "programming" taxonomy: "genre" url: "http://localhost/type/programming/" media_type: "Cassette" download_url: "https://archive.org/download/timex-sinclair-software-archive/ZX Bug (1982)(Artic Computing)(UK)(TS1000)(Cassette).zip" mediadate: "1982" producer_company: - id: 10657 title: "Artic Computing" type: "company" url: "http://localhost/company/artic-computing/" related_products: - id: 14701 title: "ZX Bug" type: "product" url: "http://localhost/product/zx-bug/" media_type_tags: "Machine Language, Programming" --- # ZX Bug Machine code monitor and disassembler. ZXBUG is a powerful tool for machine language programming. It is 4K long and uses memory from 71E0h to the top memory. ZX BUG works in hexadecimal (base 16), not decimal, so all addresses are a maximum of 4 hex bits long. Provides a total of 28 commands.