Search found 1458 matches

by Andy Rea
Sat Jul 14, 2018 10:19 pm
Forum: Sinclair Misc
Topic: Ferranti ULA doc may be of interest
Replies: 3
Views: 1121

Re: Ferranti ULA doc may be of interest

Moggy wrote:
Sat Jul 14, 2018 1:14 pm

As for the decapping I have seen a collection of stills for the 81(I'm aware of the many spectrum ones) but have lost the link I thought I'd bookmarked. :oops:
I carry on digging :lol:
by Andy Rea
Fri Jul 13, 2018 11:25 pm
Forum: Sinclair Misc
Topic: Ferranti ULA doc may be of interest
Replies: 3
Views: 1121

Re: Ferranti ULA doc may be of interest

Having done a search this thread seems like a good match... i stumbled upon this today interesting stuff https://ia801203.us.archive.org/21/items/FerrantiULA2000SeriesDatasheet/Ferranti%20ULA%202000%20Series%20Datasheet.pdf now then if any is clever enough to decap a ULA and photograph the final lay...
by Andy Rea
Fri Jul 13, 2018 6:19 pm
Forum: Sinclair Misc
Topic: New Episode of Floppy Days Podcast - Interview with John Grant
Replies: 5
Views: 282

Re: New Episode of Floppy Days Podcast - Interview with John Grant

i also listened, it was very interesting, i'll be listening to some of the older episodes too

regards Andy
by Andy Rea
Fri Jul 13, 2018 6:14 pm
Forum: SALES
Topic: ZX81 ULA
Replies: 42
Views: 1624

Re: ZX81 ULA

fizzyade wrote:
Fri Jul 13, 2018 12:17 pm
The ZX81 I purchased did indeed turn out to have a faulty ULA! Was so happy when this replacement bought the "K" to the screen!

Many thanks Andy!
great stuff. Happy that its working for you.

Regards Andy
by Andy Rea
Sat Jul 07, 2018 1:02 pm
Forum: SALES
Topic: ZX81 ULA
Replies: 42
Views: 1624

Re: ZX81 ULA

gammaray wrote:
Sat Jul 07, 2018 12:29 am
I am going to put a small heatsink on mine!
Magnify goggles activated... :mrgreen:
by Andy Rea
Fri Jul 06, 2018 11:50 pm
Forum: SALES
Topic: ZX81 ULA
Replies: 42
Views: 1624

Re: ZX81 ULA

I am going to put a heatsink on mine! :D Don’t tell Moggy! :o The Cat see's all.... besides you dont need one, you can hold your finger on it all day and it only gets a little warm :D Don't worry guys I predict everybody will end up happy. Kudos to you Andy, how the hell have you kept your eyesight...
by Andy Rea
Fri Jul 06, 2018 9:40 pm
Forum: SALES
Topic: ZX81 ULA
Replies: 42
Views: 1624

Re: ZX81 ULA

fear not more will be coming shortly

Andy
by Andy Rea
Fri Jul 06, 2018 1:13 pm
Forum: Hardware
Topic: ZX81 rebuild
Replies: 124
Views: 7598

Re: ZX81 rebuild

Cool stuff, us mad soldering iron weilding maniacs have to make do with whatever space we find ourselves in :lol:

Regards Andy
by Andy Rea
Thu Jul 05, 2018 11:47 pm
Forum: Sinclair Misc
Topic: Z80 CPU part number cross reference
Replies: 1
Views: 115

Re: Z80 CPU part number cross reference

most interesting, dont know whether i'll ever use the imformation however i apprciate the time and effort gone into creating the table.

Regards andy
by Andy Rea
Thu Jul 05, 2018 10:55 am
Forum: Welcome Area
Topic: Wandering across
Replies: 5
Views: 270

Re: Wandering across

Welcome to.the madhouse

Andy