-
IO Error on erzxternal hard driveI have an external hard drive that I plug in to my PC's via a powered USB 2.0 port. It has been working fine for about 18 months or so. However lata…
... Screened and Reset it's CMOS whist I was woking on ... -
Source of Z80 ProcessorsHi all, After seeing the somewhat inflated prices that +2A's and +3's seem to be going for on eBay I'm wondering if trying to fix my 48k+ is a bette…
Here's a cheap choice
[url]http://cgi.ebay.co.uk/ZILOG-Z80-PIO-4MHz-Z80A-CMOS-RETRO-COMPUTER-TESTED-OK_W0QQitemZ250204887352QQihZ015QQcategoryZ4663QQrdZ1QQssPageNameZWD1VQQtrksidZp1638.m118.l1247QQcmdZViewItem[/url]
Have fun -
Source of Z80 ProcessorsHi all, After seeing the somewhat inflated prices that +2A's and +3's seem to be going for on eBay I'm wondering if trying to fix my 48k+ is a bette…
... /ZILOG-Z80-PIO-4MHz-Z80A-CMOS-RETRO-COMPUTER-TESTED-OK_W0QQitemZ250204887352QQihZ015QQcategoryZ4663QQrdZ1QQssPageNameZWD1VQQtrksidZp1638.m118 ... line and says they're CMOS. His description text talks PIO ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... this. (If you have a CMOS Z80, it would be interesting ... -
Of soldering and whatnot.So. It looks like if I'm going to have any sort of active retrogaming habit in the future, I need to learn a bit more about the nuts and bolts. Emula…
... (less ancient TTL), 74HCxxx (CMOS), 74HCTxxx (TTL-compatible CMOS).
- A bunch ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... new as in 2007 made CMOS rather than 1980s NMOS? -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... new as in 2007 made CMOS rather than 1980s NMOS?[/QUOTE ... -
How many expansions can a Speccy handle ?How many expansions / interfaces / addons can a Speccy handle ? I'm not thinking about the issue of powering the interfaces through the Speccy's PS…
... get greater fan-out with CMOS loads rather than TTL.
CMOS loads on each data line ... because they are (TTL-compatible) CMOS, they are quite small loads ... -
MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…
... DATA-GEAR interface with new CMOS version of ZILOG Z80 DMA ... -
FAO Winston, Why won't this work?I have redesigned my Flash Rom board, yet again, so that it might perhaps work... any glaring flaws? [IMG]http://alistairsserver.no-ip.org/flash%20…
... drain. This is actually a CMOS and gate, but implemented in ... I drew above, or a CMOS AND gate) is actually a ... -
FAO Winston, Why won't this work?I have redesigned my Flash Rom board, yet again, so that it might perhaps work... any glaring flaws? [IMG]http://alistairsserver.no-ip.org/flash%20…
... drain. This is actually a CMOS and gate, but implemented in ... I drew above, or a CMOS AND gate) is actually a ... -
Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
... a Spectrum, including brand new CMOS ones (the Z80 is still ... -
Need help with a PC :|I've been able to solve many computer problems, and most of the time Google is my friend. But this time I'm having a problem with the ATI Radeon All-…
... />
There is a clear CMOS jumper :) That's done the ... -
I/O on the Speccy - ideas/help wanted!I'd like an interface for the Spectrum that can control and monitor other items. I have a task in mind that would require: A: 4xbinary inputs (as in…
... the Spectrum (or worse, cause CMOS chips to latch up, which ... -
Accelerated spectrum?Hihi Has anyone managed to replace the Z80 in a spectrum with a Z80B? Just wondering if it'd be possible to have a couple of crystals switchable to…
... clone SPRINTER 2000 use Z84C15 cmos Z80 CPU(15MHz version) overclocked ... -
Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... 4 allows me to use CMOS 6502 instructions which are easier ... -
Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... shows how much quicker the CMOS routines are.
For ... memory location.
On the CMOS 6502 you just need to ... -
computer diesarrgh omg help me quick today, my computer crashed quite suddenly after loading up a binary of "google earth". generally I compile all my software b…
... /> Probably the crash wiped the CMOS batery backed memory of the ... may be worth replacig the CMOS batery. I had to replace ... -
VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…
... to BeebEm which includes the CMOS and invalid NMOS instructions. Their ... -
VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…
... 's in BCD mode. The CMOS variant leaves the N flag ... -
A bit of a ropey questionRight I'm not really sure how to start this one off. So I'll just go for it! Does anybody know of a "safe" keylogging software? I know it sounds b…
... pulling the battery/resetting the CMOS....but then you know someone ... -
A bit of a ropey questionRight I'm not really sure how to start this one off. So I'll just go for it! Does anybody know of a "safe" keylogging software? I know it sounds b…
... pulling the battery/resetting the CMOS....but then you know someone ... -
what were the things the Speccy architecture was good for?I don't know a hell of a lot about all the different computers hardware and I wanted to know if the way the Spectrum was built lent itself to certain…
... was recoded to use the CMOS 6502 extensions. With these extensions ... memory, but also for the CMOS extensions. It would be nice ... -
4116 DRAM for 48KSomeone told me I got faulty RAM in my broken 48K. They should be 150ns, right? What would be a good place to buy them from?
... do:
* Replace Z80 with CMOS version on this Speccy
* Replace ROM with CMOS EPROM (if average current is ... -
Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…
... always in socket ? New Z80CPU (CMOS version) is not 100% compatible ... -
Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…
... /> [QUOTE=velesoft;327782]New Z80CPU (CMOS version) is not 100% compatible ... -
Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…
... OUT (c),0 work on CMOS version as OUT (c),255 ... -
4116 DRAM for 48KSomeone told me I got faulty RAM in my broken 48K. They should be 150ns, right? What would be a good place to buy them from?
... job.
I think that CMOS-->NMOS overshoots sometimes are ... -
SRAM replacement for lower 16KSome time ago I wondered if it were possible to replace the lower 16K RAM of a 16K/48K Spectrum with a single SRAM chip. You know, those pesky 4116 D…
... brief high current demand - especially CMOS chips, and the capacitor fills ...
