Search found 186 matches

by lezanderson
26 Jun 2015 11:18
Forum: GENERAL DISCUSSIONS
Topic: HM6116 2Kx8bit SRAMs on ebay .. ideal for SPECULATOR ?
Replies: 9
Views: 10096

Re: HM6116 2Kx8bit SRAMs on ebay .. ideal for SPECULATOR ?

Mouser do versions of the 6116 http://uk.mouser.com/Semiconductors/Memory/SRAM/_/N-4bzptZscv7?P=1z0z63x&Keyword=6116&FS=True And the ATF16V8 that can replace all the old 20 pin PAL's too http://uk.mouser.com/Semiconductors/Programmable-Logic-ICs/SPLD-Simple-Programmable-Logic-Devices/_/N-3o...
by lezanderson
26 Jun 2015 11:06
Forum: GENERAL DISCUSSIONS
Topic: HM6116 2Kx8bit SRAMs on ebay .. ideal for SPECULATOR ?
Replies: 9
Views: 10096

Re: HM6116 2Kx8bit SRAMs on ebay .. ideal for SPECULATOR ?

Looked too good to be true...! Once upon a time there were loads of Very Very cheap ICs on ebay, when people where having a clear-out and simply just wanted them to go to a good home ! But sadly those days have gone and now everybody is greedy ! Still plentiful on ebay as pulls ! http://www.ebay.com...
by lezanderson
25 Jun 2015 10:57
Forum: GENERAL DISCUSSIONS
Topic: HM6116 2Kx8bit SRAMs on ebay .. ideal for SPECULATOR ?
Replies: 9
Views: 10096

Re: HM6116 2Kx8bit SRAMs on ebay .. ideal for SPECULATOR ?

The ICs are still available :shouldn't be too expensive to make a NEW Speculator PCB ? PAL14L4s ebay.com SN74LS74 Mouser £0.404 each DM74LS123N Mouser price £0.56 each http://www.ebay.com/itm/2PCS-PAL14L4ANC-DIP-IC-NS-NEW-GOOD-QUALITY-/300780189838?pt=LH_DefaultDomain_0&hash=item4607e5788e http:...
by lezanderson
24 Jun 2015 11:00
Forum: GENERAL DISCUSSIONS
Topic: HM6116 2Kx8bit SRAMs on ebay .. ideal for SPECULATOR ?
Replies: 9
Views: 10096

HM6116 2Kx8bit SRAMs on ebay .. ideal for SPECULATOR ?

Spotted some SPECULATOR SRAMs on ebay.. at a respectable price £1.59 for 5pcs Ideal for anyone who is reverse engineering a SPECULATOR ZX Spectrum Emulator ? As these are getting quite rare it's unusual to see them for this sort of price. http://www.ebay.co.uk/itm/HM6116L-120-Pack-of-5-/391010945798...
by lezanderson
22 May 2015 10:54
Forum: GENERAL DISCUSSIONS
Topic: Is it time for the MTXplus project to have it's own website
Replies: 0
Views: 11815

Is it time for the MTXplus project to have it's own website

Was looking at Dave's very comprehensive, and professional MTXplus pages on his website and couldn't help but think .. now this project is getting rather 'Grown - up' perhaps it should have it's own website ?
by lezanderson
22 May 2015 10:50
Forum: OFF TOPIC
Topic: How to best source stuff from ebay.com and chinese suppliers
Replies: 1
Views: 2964

Re: How to best source stuff from ebay.com and chinese suppl

Been busy talking a Chinese supplier into selling home-brew kits for electronics enthusiasts / DIY builders etc. Got them to keep the prices 'Sensible' as opposed to the ridiculous prices you sometimes see for 'Old' legacy ICs . most stuff is about one fifth the price from digikey or mouser. Obvious...
by lezanderson
30 Apr 2015 19:12
Forum: OFF TOPIC
Topic: Crowd Funding ?
Replies: 0
Views: 11054

Crowd Funding ?

After looking at the ZX Spectrum projects that have been Crowd funded, I thought to myself.... is it worth a try ?? So I was thinking of doing some Crowd-Funding for a New Super Colecovision Console... nothing like them Naff Flashback stuff...but with real hardware. Z84C0020VEC PLCC Z84C9012VEC (opt...
by lezanderson
24 Apr 2015 11:22
Forum: OFF TOPIC
Topic: Amazing homebrew ZX Spectrum & Amstrad CPC
Replies: 7
Views: 7603

Re: Amazing homebrew ZX Spectrum & Amstrad CPC

Any idea of prices and availability ?


Someone has also made a SAM COUPE clone, from VELESOFT in Czechoslovakia
by lezanderson
22 Apr 2015 16:45
Forum: OFF TOPIC
Topic: Amazing homebrew ZX Spectrum & Amstrad CPC
Replies: 7
Views: 7603

Amazing homebrew ZX Spectrum & Amstrad CPC

Spotted these amazing homebrew micros

https://www.youtube.com/channel/UCq0qTO ... hEDPbe0Ofg

A professionally made Amstard CPC and ZX Spectrum both with stunning graphics !! Well worth a look !
by lezanderson
09 Apr 2015 11:01
Forum: GENERAL DISCUSSIONS
Topic: Z80 Hardware Development forum ??
Replies: 0
Views: 11660

Z80 Hardware Development forum ??

Hi. Is anyone interested in design/building a dedicated Z80 Hardware Development forum... aimed at homebrew Z80 microcomputer builders. This would probably be aimed at anyone interested in making Z80 stuff, Colecovision, Memotech MTX, Sord M5, MSX etc. I would design it myself, but my web design ski...