-
Speccy collection prepping for sale - Pics includedHi guys, I made a post a while back about having to shift my sizeable collection due to incoming sprog. I gave up typing up the names, so I'm going…
... Tennis
Gregory Loses His Clock
Grid Iron
Ground ...
Your Sinclair Six Pack No 1 March 1991
Your ... -
PlusDlite prototype/first batch is here![IMG]http://benophetinternet.nl/hobby/vanmezelf/20130605_143221.jpg[/IMG] [IMG]http://benophetinternet.nl/hobby/vanmezelf/20130605_153930.jpg[/IMG] …
... batch
2. no stable 8 MHz from clock circuit: replaced 33pF ... -
PlusDlite prototype/first batch is here![IMG]http://benophetinternet.nl/hobby/vanmezelf/20130605_143221.jpg[/IMG] [IMG]http://benophetinternet.nl/hobby/vanmezelf/20130605_153930.jpg[/IMG] …
... power connector, but there was no difference.
Will try to ... /> Or maybe something with the clock circuit.
I have ... that is used in the clock circuit, and 74LS126 that is ... -
PlusDlite prototype/first batch is here![IMG]http://benophetinternet.nl/hobby/vanmezelf/20130605_143221.jpg[/IMG] [IMG]http://benophetinternet.nl/hobby/vanmezelf/20130605_153930.jpg[/IMG] …
... instead of 74LS00 for the clock circuit: no difference
- tried different ... some power glitch
No solution sofar.
My next ... -
Speccy collection prepping for sale - Pics includedHi guys, I made a post a while back about having to shift my sizeable collection due to incoming sprog. I gave up typing up the names, so I'm going…
... Simulator
Four No. 1 Blockbusters
Four No.1 Blockbusters
Four No.1 Blockbusters Hit ... 9
Gregory Loses His Clock
Grid Iron
Grid ... -
Fast Z80Todays Spectrums are fast as hell and few software utilises this. Z80 in ReVerSE runs at 42 MHz, in Speccy2010 at 28 MHz, in Pentagon 2.666 and in N…
... -15 ns access times, so, no WAITs.
[QUOTE= ... . one byte instructions) last 1 clock cycle (or 2 cycles, to ... runs most of Spectrum software (no machine runs it all because ... etc) and outputs Spectrum video (no frame doubling) and Spectrum audio ... -
Interface 1 ULA - what does it do and what not?I heard a rumour a few weeks ago: that the Interface 1 ULA does not control the Microdrive, but mainly the ROM and network. Many of us (like myself)…
... faulty ULA where either the clock or data output for the ... pin with a scope and no load but it can't ... -
Converting PAL +2b to NTSC[B]Hello my fellow WoS'ers[/B] I have a strange request for your knowledge and advice. A chap in the US would like to use a Spectrum +2B, however w…
There's no way to get a 483i ... this would involve changing the clock crystal and speeding the speccy ... -
Fast Z80Todays Spectrums are fast as hell and few software utilises this. Z80 in ReVerSE runs at 42 MHz, in Speccy2010 at 28 MHz, in Pentagon 2.666 and in N…
... at 14MHz. With a 40MHz clock input, it behaves like a ... lacks DMA support. This means no BUSRQ/BUSAK pins. The RD ... -
Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... that if there's a clock going to the cpu but ... not running then there's no sense trying to save the ... -
New CPU and Spectranet oddity.I have no reason to suspect this problem is due to a fault/poor design of the Spectranet, but understanding what it does at system initialisation may…
... and non-H ROM types, no problem with older NMOS Z80 ... /multimeter load to the CPU clock pin clears the problem.
DivMMC clock bufferI have completed the first DivMMC EnJOY today: [url]http://www.worldofspectrum.org/forums/showthread.php?t=44238[/url] But there is a problem with t…
... a while back while doing clock regeneration tests, I did ... doesn't buffer the clock), but given the weakness ... I decided to take no chances and buffer it ... phase with the CPU clock (the clock signal at the edge ... will need a good clock signal). The Schmitt-trigger ...What (Speccy) game are you currently playing ?(Quite a few threads on what youre listening to, watching etc) What Speccy game are you currently playing ? After playing a LOT of Invasion of the …
... cause;717693]Gregory Loses His Clock.
I love this ... totally bonkers![/QUOTE]
no, not really.
[I ...Laptop to HDTV via HDMII decided the other day to hook up my laptop to my telly via HDMI in order to play MAME etc on my BIG TV instead of my tiny laptop screen. I've got i…
... click the speaker beside your clock and select Playback Devices
no speakers there to send sound ...ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... , the sd card clock follow the cpu clock, so everything is ... when synchronising to the Z80 clock, you avoid missing bits because ... feed the 74LVC1G14 (had no 330 ohm smd's laying ... as pullup from the ZX clock to 5V.
Now ... mA.
Is that no problem to a ULA?ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... your hardware generates a clean clock signal. Ben is having a ... wants to use the CPU clock signal and we all are ... (or faster).
Besides, no matter what he does, that ... , the mod to restore the clock signal is very easy to ...ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... too high currents on the clock signal from the ULA.
clock signal from the ULA.
Is that no problem to a ULA?[/QUOTE ... , this shows that the CPU clock output driver is just a ...ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... , this shows that the CPU clock output driver is just a ... (now 8mA), it should be no problem.
There is ... .
That value probably causes no problems on the +3, and ... still pull enough on the clock with the toastrack to create ...ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... 't need any resistor, their clock signal is the cleanest of ... (now 8mA), it should be no problem.
There is ... .
That value probably causes no problems on the +3, and ... still pull enough on the clock with the toastrack to create ...ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... br /> That value probably causes no problems on the +3, ... /> This isolates the Z80 clock from the clock on the edge connector ... of 1.5k should make no difference whatsoever.
I ... from [URL="http://alistairsserver.no-ip.org/public/spectrum/schematics ...ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... to do anything to the clock signal.
In any ... be created to 'fix' the clock signal on any ZX Spectrum ... .
But it must have no delay whatsoever.Educational Games for 8 year oldsCan anyone recommend any good educational titles for 8 year olds? When I say good, I mean functional, and entertaining enough to keep kids attentions…
... , popeye and Gregory loses his clock might prove entertaining due to ... ones.soon to be replaced no doubt.iOS7 ReleasedGood news, we can all download Apples newest software today! :) Am trying to download and install for the iPhone & iPad, but Apples servers are rathe…
... not forget, there was absolutely no smart phone before the original ... , appointment scheduler, calculator, world time clock, games, electronic note pad, handwritten ...Super Tin Foil Hattery - Why Time is Speeding up!I was looking for an image of a speeding clock and found this. Lol! [url]http://crisisboom.com/2011/07/19/why-is-time-speeding-up/[/url]
... theory of relativity, there is no such thing as absolute time ... means is that there is no universal ?clock? ticking the time - every ... of time. Thus, there?s no such thing as an absolute ...Issue 3 board with strange piggy-back boardIn case you are interested. I?ve never seen something like this before. I have an Issue 3 board here. When I opened the case and found a strange pig…
... -input NAND. Basically, it makes no sense as anything else, OR ... or XOR gates make no sense for address selection (for ... , pin 3 is CLK, the clock signal, pin 4 is the ... and is used as the clock for the D-type flip ...A FAQ from a Z80 datasheet may reveal some up-to-now unknown behavioursA fellow member of the zonadepruebas.com forum has just mailed this PDF to me. [url]http://www.atc.us.es/~rodriguj/zilog_z80_faq.zip[/url] It's an e…
... device. Can I use the clock to single step it?
NMOS: No, it violates the clock specs.
CMOS: Yes ... step NMOS Z80s with the clock. I suppose there's a ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... works well and the PAL clock generator starts after powering up ... ).
Actually I found no further issue. The Harlequin obviously ... with divIDE (Residos). The cpu clock at the edge connector is ...Timex 2068 hi-color / hi-res modes.Hello. I know this is not a Timex forum but since it is a very close relative of the Speccy I thought I'd ask my question here. Does anyone know …
... original ULA uses a single clock (and thus generates a video ... ULA). So Timex used a clock speed that worked for NTSC ... / 60Hz. But there's no reason you couldn't make ...
