--- title: "Switchable Spectrum ROM Project for the TS 2068" type: "article" slug: "switchable-spectrum-rom-project-for-the-ts-2068" url: "http://localhost/article/switchable-spectrum-rom-project-for-the-ts-2068/" markdown_url: "http://localhost/article/switchable-spectrum-rom-project-for-the-ts-2068.md" published_at: "2020-10-27T17:09:03+00:00" modified_at: "2025-11-04T13:23:02+00:00" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "I recently purchased some Spectrum ROMs from Zebra Systems with the hope that I might be able to make my own \"ROM-switch\" circuit without having to pay the price of those that are commercially available. When I examined the TS-2068's ROM circuitry I realized that this was an easier task than I had originally assumed." category: - name: "T-S Horizons" slug: "t-s-horizons" taxonomy: "category" url: "http://localhost/category/periodicals/t-s-horizons/" post_tag: - name: "Hardware project" slug: "hardware-project" taxonomy: "post_tag" url: "http://localhost/tag/hardware-project/" - name: "TS 2068" slug: "ts2068" taxonomy: "post_tag" url: "http://localhost/tag/ts2068/" - name: "Zebra Systems" slug: "zebra-systems" taxonomy: "post_tag" url: "http://localhost/tag/zebra-systems/" - name: "ZX Spectrum" slug: "zx-spectrum" taxonomy: "post_tag" url: "http://localhost/tag/zx-spectrum/" 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: "Gary Lessenberry" slug: "gary-lessenberry" taxonomy: "indiv" url: "http://localhost/indiv/gary-lessenberry/" publication: "T-S Horizons" publication_r: id: 10247 title: "T-S Horizons" type: "periodical" url: "http://localhost/periodical/t-s-horizons/" authors: "Gary Lessenberry" issue: "19" issues_articles: - id: 26862 title: "T-S Horizons n19" type: "issue" url: "http://localhost/issue/t-s-horizons-n19/" pages: "18-19" pubdate: "May/June 1986" archive_link: false volumeissue: "vn19" companies_articles: - id: 11469 title: "Zebra Systems, Inc." type: "company" url: "http://localhost/company/zebra-systems/" --- # Switchable Spectrum ROM Project for the TS 2068 I recently purchased some Spectrum ROMs from Zebra Systems with the hope that I might be able to make my own “ROM-switch” circuit without having to pay the price of those that are commercially available. When I examined the TS-2068’s ROM circuitry I realized that this was an easier task than I had originally assumed.