T/S 2068 and ZX81 ROM Routines Read the articleSee all articles from ZXzine Issue 7Author(s): Tim SwensonPublication: ZXzinePub Details: ZXzine Issue 7 (Issue 7)Date: June 2019Pages: 2-6 Comparison of routines in both computers. TagsTS 1000 TS 2068 PeopleTim Swenson