Search found 245 matches

by McKlaud
Tue Mar 12, 2019 9:57 pm
Forum: ZX Spectrum Lounge
Topic: Zx spectrum 128k
Replies: 4
Views: 750

Re: Zx spectrum 128k

There are some "noticeable" differences as follows:

1. 128KB RAM vs 48KB RAM
2. different timings
3. embedded AY PSG chip on board
4. RGB video output on board
5. second video memory bank

...
by McKlaud
Fri Mar 08, 2019 8:22 pm
Forum: Welcome Area
Topic: Hi from Brisbane.
Replies: 5
Views: 831

Re: Hi from Brisbane.

Welcome to the the madhouse ;)
by McKlaud
Thu Mar 07, 2019 9:51 am
Forum: Welcome Area
Topic: Hello all!
Replies: 8
Views: 1047

Re: Hello all!

Hi and welcome on board.
by McKlaud
Tue Mar 05, 2019 1:16 pm
Forum: Hardware
Topic: Hello All & Dead ZX .. probably
Replies: 16
Views: 1555

Re: Hello All & Dead ZX .. probably

Dishwasher would be better ;)
by McKlaud
Mon Mar 04, 2019 10:25 pm
Forum: Hardware
Topic: Hello All & Dead ZX .. probably
Replies: 16
Views: 1555

Re: Hello All & Dead ZX .. probably

Hi and you have a lovely machine.

Regarding your queries

1. yes, this effect on the modern telly can be caused by missing back porch in the video signal.

2. when you sort out the video issues, then you can check the ROM version. I think you are a lucky one and your Zeddy is one of early units.
by McKlaud
Tue Feb 26, 2019 11:01 pm
Forum: Hardware
Topic: ZX81 External Keyboard
Replies: 38
Views: 6244

Re: ZX81 External Keyboard

If you turn 5 pin connector by 180deg and cross two address lines (A9 and A12) in 8 pin connector it should work with the Speccy.
by McKlaud
Mon Feb 25, 2019 9:43 am
Forum: Hardware
Topic: ZX81 External Keyboard
Replies: 38
Views: 6244

Re: ZX81 External Keyboard

Impressive work! The keyboard looks amazing. :!:
by McKlaud
Sun Feb 24, 2019 10:28 pm
Forum: Welcome Area
Topic: New member from the UK rediscovering ZX’s
Replies: 5
Views: 799

Re: New member from the UK rediscovering ZX’s

So you are the lucky one, who won the auction on this unit. Congratulation!
by McKlaud
Sun Feb 24, 2019 10:30 am
Forum: Sinclair Misc
Topic: Retro computer fair in Västerås, Sweden
Replies: 6
Views: 911

Re: Retro computer fair in Västerås, Sweden

Nice table :) I hope there was someone interested in these all retro stuff what you had.
by McKlaud
Sat Feb 23, 2019 11:24 pm
Forum: Welcome Area
Topic: New member from the UK rediscovering ZX’s
Replies: 5
Views: 799

Re: New member from the UK rediscovering ZX’s

Hi Dave and welcome here.

BTW Have you sill got the Juppiter ACE?