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Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…
... this controls the Z80's clock!)
The PCB layout ... from the solder side (so no awkwardness with trying to solder ... -
problem with sinclair zx 48 issue 6aHi all, I have the following problem when I turn on my sinclair without rom inserted. [url]http://217.79.64.145/sinclair/5.jpg[/url] when I turn o…
... way: check the Z80's clock pin, and check for activity ... RAM and it caused me no end of grief. -
Speccy goes to the Internet!!![url]http://zx.pk.ru/attachment.php?attachmentid=4998&d=1176284955[/url] It's not a joke. This program really works. It uses an RS232 modem (or cel…
... and sets a realtime clock.
Realtime clock and RS232 interfaces are ... Kempston mouse interface), and realtime clock.
RS-232 in ... .
The program has no bindings to any other specific ... IP stack implementing UDP protocol (no TCP yet) over a ... -
Speccy goes to the Internet!!![url]http://zx.pk.ru/attachment.php?attachmentid=4998&d=1176284955[/url] It's not a joke. This program really works. It uses an RS232 modem (or cel…
... and sets a realtime clock.
Realtime clock and RS232 interfaces are ... Kempston mouse interface), and realtime clock.
RS-232 in ... .
The program has no bindings to any other specific ... IP stack implementing UDP protocol (no TCP yet) over a ... -
Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?
... it, such that there was no contention slowdown.[/QUOTE]
clock cycle so any display hw ... -
Great gaming moments...I was playing through King Kong on the PS2 yesterday, and there's a bit where you walk through this tunnel and the ground starts to quake... As you …
Clock Tower on the SNES is ... SNES in Japan. I have no idea if the PS version ... -
Good Horror Films...Can anyone recommend any good horror films for me to watch? Just to give an idea of the kind o' thing I like - I like creepy apocalyptic horror such…
... Book, Mr Hand, and Mr Clock. Apparently one of the worst ... think of for now but no doubt my fetid mind will ... -
PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…
... when final pulse is 0 clock cycles" will come up.
zxsp is an emulator, no dedicated archiving or file conversion ... is better. But there is no guarantee that i won't ... -
PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…
... /> A pulse of 2^32 clock cycles is approx. 20 hours ... not to be taken lightly, no matter how harmless they might ... -
Reconditioned Sam Coup?, two drives + more...I've popped up a reconditioned Sam Coupé on eBay as a Buy-It-Now listing. [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=11012902618…
... very early 256K Sam with no disk drive went for about ... the original drives there's no way I can guarantee just ... a few hardware glitches (8MHz clock and video shadow fix).
No point having a nice new ... -
Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... exact waveforms with my scope (no enough bandwidth - it has maximum ... />
[QUOTE]
check the clock signal is making it to ... you can disconnect the system clock off your Z80 computer, and ... ULA will stop the CPU clock when contention occurs). That will ... -
New proccessors of the future and the Speccy[url]http://www.embedded.com/showArticle.jhtml?articleID=15201862[/url] I was very interested in the part where it said "old embedded processors nev…
... . Six years later, there's no 7Ghz computer to contemplate.[/QUOTE ... inneficient with the ever increasing clock speeds. As it had a ... -
Crap pre-installed in new computersMy battered 7 year old Toshiba laptop was stolen from my friends house and just got delivery of the replacement. His insurance did not pay up as he l…
... little icons next to the clock for extras from Dell and ... for a clean OS with no extra crap'.
The ... -
The Fool's Workplace SurveyI thought I'd try and find out more about what my fellow WOS'ers are up to during their work hours, so I've compiled a simple survey. Overwrite my an…
... ... The varnish room! No ventilation, and round-the-clock 'happy fumes' permiating ... -
The Fool's Workplace SurveyI thought I'd try and find out more about what my fellow WOS'ers are up to during their work hours, so I've compiled a simple survey. Overwrite my an…
... ... The varnish room! No ventilation, and round-the-clock 'happy fumes' permiating ... -
costa capers ..Is CC a real followup to technician ted or what? I thought about the name.. coz it has nothing in common :)
... . Blanks are self explanatory or no noticeable change.
[ ... Stops Spray
17 Clock 01 Removes the diagonal platform ... /> 22 Office
23 No Entry
24 Sombrero ... Real Mudrid
-2B Clock starts up again on pillars ... -
New Spectrum HardwareHi all. Well its Friday so it seems as good a time as any (business is a bit slack at the moment) to start up a thread about creating new Spectrum ha…
... using PS/2 mouse, realtime clock and RS-232 port). There ... enthusiast and currently there are no human resources to assemble boards ... -
Poorly Spectrum + Fault diagnosis help needed!Hi, I've got a Spectrum+. Sometime in the past I broke it and sent it off to be fixed. It came back working good as new, but with an issue 2 board i…
... also correctly gating the CPU clock) for it to get that ... the ULA not gating the clock into the CPU.
no good BASIC errors for 48K ... -
GP2X or DS: which is best for the speccyHi - just joined but have been reading posts for years and I know ye are as passionate about the Speccy as I am! :-) I've waited so long to buy eit…
... 's directly related to the clock change, it could be other ... value, while keeping the gp2x clock and the emulation speed the ... ?[/QUOTE]
I've no complaints about the number of ... -
The time isIt's 7:19 am here, and where you are?
... mean, heheh[/QUOTE]
No, he meant 6:13 pm ... . I've no time for that poncy 24 hour clock bollocks... ;)
Interface extension cable ?I'm wondering if I can make an extension cable for the Speccy's expansion port. It's not the part of making it I'm uncertain about, but wether the l…
... .5 MHz) with rise times no faster than 10ns for sure ... things happen (higher power consumption, clock synchronization issues, etc). Which is ...IC Suppliers(of ICs other than those in the big box...) Do any of the people into hardware assembly here know of any suppliers of obscure yet in-production ICs …
... USA. So that was a no go.
[QUOTE=DEATH ... seperating the sync signal into clock pulses, to which the ubiquitous ...What I hate about computers and/or video gamingYesterday I spent approximately four months (subjecively that is, objectively it was around two to three hours) fixing my mate's PC. I won't bore you…
... newer machines can lower the clock speed which reduces power consumption ... using emusic. Much less expensive, no DRM. Also Magnatune. To be ...Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... used to hold the CPU clock depends on the state of ... at points when there is no real memory access (IR on ...a zombie at chelsea?So what's your views on the new Chelsea Coach? I was never a Chelsea fan, but I've been a mourinho and Ricardo Carvalho fan (although I dislike Porto…
... of two other 3 o'clock full games shown delayed at ... 5 o'clock. On top of that we ... the majority of fans have no idea if it isn't ...Wanted - 8701 IcHi, I've got one C64 (Yes, i know this maybe not the right place to ask... ;-) ) from EBAY. It works but have no color in display. I search and i fi…
... EBAY. It works but have no color in display. I search ... i find that the 8701 clock IC is not outputing the ... ' be able to help if no one else comes forth. I ...Any '81 buffs?Does anybody know the running clock frequency of a Z80A in a ZX81? I've measured the clock signal on pin 6 and got 6.47MHz, and I'm sure it's not ju…
... 6.5 MHz, there's no 3.25 in the reading ... Z80, that's the clock signal pin. No video signal should be ... pin the ULA outs the clock signal of 3.25 MHz ...Any '81 buffs?Does anybody know the running clock frequency of a Z80A in a ZX81? I've measured the clock signal on pin 6 and got 6.47MHz, and I'm sure it's not ju…
... Z80, that's the clock signal pin. No video signal should be ...Any '81 buffs?Does anybody know the running clock frequency of a Z80A in a ZX81? I've measured the clock signal on pin 6 and got 6.47MHz, and I'm sure it's not ju…
... Z80, that's the clock signal pin. No video signal should be ... pin the ULA outs the clock signal of 3.25 MHz ... used conventionally to indicate a clock).
-- Richard
