Sinclair ZX80 / ZX81 / Z88 Forums

WILL A TIMEX SINCLAIR 2068 HAVE A PROPER ULA? What do you mean by that? TS2068 has its own ULA equivalent called TS2000. Generally this chip design was based on the Sinclair's ULA (one of 5C series), but it has different pinout and some additional functionality like Timex specific graphic modes and...

Maplin is not on the top of my favourite suppliers list, but they are in many places just around the corner and I buy some bits and bobs there quite frequently.

It is definitely sad news.

Thanks a lot.

Thanks Rich. Replied to your PM and it looks like that the ZX81 has new home

I am interested in a full set including the PSU.

PM sent.

Thank you taking a care for this forum

Hi

In my mind you can use 1N4148 silicon diodes instead of germanium units like 1N34A. 1N34A can be also replaced them with Schottky type like BAT85 in this application.

@gozzo: send me a PM.

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