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- Wed Jan 01, 2020 1:55 am
- Forum: Sinclair Misc
- Topic: Looking for a book
- Replies: 8
- Views: 13539
Re: Looking for a book
Maybe you are looking for The Complete Timex TS1000 / Sinclair ZX81 ROM Disassembly by Dr. Ian Logan & Dr. Frank O'Hara http://k1.spdns.de/Vintage/Sinclair/80/Sinclair%20ZX81/ROMs/zx81%20version%202%20%27improved%27%20rom%20disassembly%20%28Logan%2C%20O%27Hara%29.html Many of the ZX81 mathematical r...