Sinclair ZX80 / ZX81 / Z88 Forums

Found this:

https://archive.org/details/timex-computer-corp

GCHarder wrote: ↑Wed May 15, 2024 8:43 pm Timex also published a catalog of their software, which may be available. I think I have a digital copy somewhere, but I don't know if it is a complete list.

Regards;

Greg

This is what I’m looking for

Is there a list of all the original Timex Sinclair 1000 branded cassettes anywhere?

Anyone looking for a load of Sinclair ZX stuff?

http://ebay.us/Zwq2bm?cmpnId=5338273189

Diode D1 and it’s connections. Also test between it’s cathode (the end with the stripe) and Z80A pin 1. And between it’s anode and the relevant pin of the eight pin keyboard ribbon connector. Mark Thanks Mark that was it. The D1 connector for the keyboard was no longer connected to the diode. I jus...

1024MAK wrote: ↑Wed May 19, 2021 8:50 pm Diode D1 and it’s connections. Also test between it’s cathode (the end with the stripe) and Z80A pin 1. And between it’s anode and the relevant pin of the eight pin keyboard ribbon connector.

Mark

That what I was thinking but I wanted to get a second opinion

HI all - I have a perplexing issue, at least to me. I have a ZX81 where the keys 1 - 5 are not working. I pulled it apart, trimmed the membrane etc and they still don't work. If I use my multimeter I can tell that they are working though. With cover off and no power I touch the row and column solder...

HI All - I'm stumped on what could be causing my issue. I am trying to add composite out to the TS 1000 basically following this https://www.classic-computers.org.nz/blog/2016-01-03-composite-video-for-zx81.htm And this https://www.bytedelight.com/?page_id=3560 I am using the correct transistor (2N3...

HI All does anyone have the manual for the 16k memotech memopak?

Bill H

Hi all - I am back to working on this, its going along nicely but I am stumped. After I load a .P file to the proper location in memory (along with all the correct system variables) where should I jump into the ROM? I am only making use of the "NAME" routine to get the name they passed in LOAD " " ...