--- title: "Book Review: The T/S 2068 ROM Manuscript" type: "article" slug: "book-review-the-t-s-2068-rom-manuscript" url: "http://localhost/article/book-review-the-t-s-2068-rom-manuscript/" markdown_url: "http://localhost/article/book-review-the-t-s-2068-rom-manuscript.md" published_at: "2026-03-15T00:16:31+00:00" modified_at: "2026-03-15T00:16:32+00:00" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "Review of Lloyd Dreger's 248+ page commented TS2068 ROM disassembly with assembly language notes and cross-references to the Sinclair Spectrum. Reviewer notes addresses are in decimal with Z80 code in hexadecimal, and that the 9-page Spectrum/Timex cross-reference table provides both decimal and hex addresses. Serious students still need Dr. Logan's Spectrum ROM Disassembly for program…" category: - name: "Timelinez" slug: "timelinez" taxonomy: "category" url: "http://localhost/category/periodicals/timelinez/" post_tag: - name: "Book review" slug: "book-review" taxonomy: "post_tag" url: "http://localhost/tag/book-review/" - name: "TS 2068" slug: "ts2068" taxonomy: "post_tag" url: "http://localhost/tag/ts2068/" model: - name: "Timex/Sinclair 2068" slug: "ts-2068" taxonomy: "model" url: "http://localhost/model/ts-2068/" indiv: - name: "Lloyd Dreger" slug: "lloyd-dreger" taxonomy: "indiv" url: "http://localhost/indiv/lloyd-dreger/" publication_r: id: 21571 title: "Timelinez" type: "periodical" url: "http://localhost/periodical/timelinez/" volume: "5" issue: "5" issues_articles: - id: 38853 title: "Timelinez v5 n5" type: "issue" url: "http://localhost/issue/timelinez-v5-n5/" pages: "2" pubdate: "May 1987" archive_link: false --- Review of [Lloyd Dreger’s](http://localhost/indiv/lloyd-dreger/) 248+ page commented TS2068 ROM disassembly with assembly language notes and cross-references to the Sinclair Spectrum. Reviewer notes addresses are in decimal with Z80 code in hexadecimal, and that the 9-page Spectrum/Timex cross-reference table provides both decimal and hex addresses. Serious students still need Dr. Logan’s Spectrum ROM Disassembly for program description material.