--- title: "New Improved ROM Bugs — TS1500 Bug #1" type: "article" slug: "new-improved-rom-bugs-ts1500-bug-1-2" url: "http://localhost/article/new-improved-rom-bugs-ts1500-bug-1-2/" markdown_url: "http://localhost/article/new-improved-rom-bugs-ts1500-bug-1-2.md" published_at: "2026-01-16T19:32:23+00:00" modified_at: "2026-01-16T19:32:24+00:00" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "Here we go again. No sooner has Timex introduced their TS1500, with the new improved ROM that corrects the mistakes of the TS1000 ROM, than new bugs appear. It is a common occurance in computer programming that fixing one bug causes another. Unfortunately, when you put the programs on a ROM, there's not much to…" category: - name: "QZX" slug: "qzx" taxonomy: "category" url: "http://localhost/category/periodicals/qzx/" post_tag: - name: "TS 1500" slug: "ts1500" taxonomy: "post_tag" url: "http://localhost/tag/ts1500/" model: - name: "Timex/Sinclair 1500" slug: "ts-1500" taxonomy: "model" url: "http://localhost/model/ts-1500/" indiv: - name: "John Kemeny" slug: "john-kemeny" taxonomy: "indiv" url: "http://localhost/indiv/john-kemeny/" publication: "QZX" publication_r: id: 21219 title: "QZX" type: "periodical" url: "http://localhost/periodical/qzx/" authors_r: - name: "John Kemeny" slug: "john-kemeny" taxonomy: "indiv" url: "http://localhost/indiv/john-kemeny/" volume: "2" issue: "5" issues_articles: - id: 62170 title: "QZX v2 n5" type: "issue" url: "http://localhost/issue/qzx-v2-n5/" pages: "7" pubdate: "April 1984" archive_link: false volumeissue: "v2n4" --- # New Improved ROM Bugs — TS1500 Bug #1 Here we go again. No sooner has Timex introduced their TS1500, with the new improved ROM that corrects the mistakes of the TS1000 ROM, than new bugs appear. It is a common occurance in computer programming that fixing one bug causes another. Unfortunately, when you put the programs on a ROM, there’s not much to do about it. This bug will affect people who use the area above RAMTOP to save data between LOADs.