Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 - Brainstorming Ideas

9 messages · 2025-02-09 → 2025-02-10 · Open thread on groups.io

Participants: David Anderson, Carl Miles, Floppy Days Podcast - Randy Kindig, John Southern, Greg Bennett

Messages

#	Date	From	Subject
7715	Sun, 09 Feb 2025	Carl Miles	Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 - Brainstormin
7718	Sun, 9 Feb 2025	Floppy Days Podcast - Randy	Re: [TS2068] Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 -
7729	Sun, 9 Feb 2025	David Anderson	Re: [TS2068] Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 -
7742	Mon, 10 Feb 2025	John Southern	Re: [TS2068] Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 -
7743	Mon, 10 Feb 2025	Floppy Days Podcast - Randy	Re: [TS2068] Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 -
7744	Mon, 10 Feb 2025	David Anderson	Re: [TS2068] Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 -
7745	Mon, 10 Feb 2025	Greg Bennett	Re: [TS2068] Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 -
7747	Mon, 10 Feb 2025	David Anderson	Re: [TS2068] Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 -
7751	Mon, 10 Feb 2025	Carl Miles	Re: Starting to design a TS1560 "Bus Expansion Unit" for the ZX81/TS1000/TS1500 - Brainsto

⚠️ = groups.io message number interpolated near a deleted message; may be off by 1–2. All others are exact.