--- title: "MEMSCAN" type: "article" slug: "memscan-3" url: "http://localhost/article/memscan-3/" markdown_url: "http://localhost/article/memscan-3.md" published_at: "2026-03-14T14:21:12+00:00" modified_at: "2026-03-14T14:21:12+00:00" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "A short machine code routine for the TS-2068 that displays a memory map of the computer by scanning every other address and plotting a dot if non-zero content is found. Relocatable; called with RANDOMIZE USR n. Also includes POKE modifications for Spectrum compatibility and for scanning every byte rather than every other." category: - name: "Timelinez" slug: "timelinez" taxonomy: "category" url: "http://localhost/category/periodicals/timelinez/" post_tag: - name: "Machine language programming" slug: "machine-language" taxonomy: "post_tag" url: "http://localhost/tag/machine-language/" - name: "TS 2068" slug: "ts2068" taxonomy: "post_tag" url: "http://localhost/tag/ts2068/" - name: "Type-in program" slug: "type-in-program" taxonomy: "post_tag" url: "http://localhost/tag/type-in-program/" model: - name: "Sinclair ZX Spectrum" slug: "zxspectrum" taxonomy: "model" url: "http://localhost/model/zxspectrum/" - name: "Timex/Sinclair 2068" slug: "ts-2068" taxonomy: "model" url: "http://localhost/model/ts-2068/" indiv: - name: "Russell English" slug: "russell-english" taxonomy: "indiv" url: "http://localhost/indiv/russell-english/" publication_r: id: 21571 title: "Timelinez" type: "periodical" url: "http://localhost/periodical/timelinez/" authors_r: - name: "Russell English" slug: "russell-english" taxonomy: "indiv" url: "http://localhost/indiv/russell-english/" volume: "4" issue: "6" issues_articles: - id: 38837 title: "Timelinez v4 n6" type: "issue" url: "http://localhost/issue/timelinez-v4-n6/" pages: "222" pubdate: "June 1986" archive_link: false --- # MEMSCAN A short machine code routine for the TS-2068 that displays a memory map of the computer by scanning every other address and plotting a dot if non-zero content is found. Relocatable; called with RANDOMIZE USR n. Also includes POKE modifications for Spectrum compatibility and for scanning every byte rather than every other.