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Issue with TV signal + Inductor Coil (16K Issue 2 Speccy)Hello guys, I just got a 16K Issue 2 Speccy from eBay. It was sold as not working so I knew there would be some work needed before it's working ag…
... noticed an issue with TV signal which normally was near perfect ... showing the issue with TV signal and another one with the ... possibly be behind the TV signal breakage?
Thanks ... advance.
1) TV Signal - https://youtu.be/pQz6yP0PuIA
Spectrum 128k +2 Grey and DivMMC reader problemHi guys, I am trying to figure out why the DivMMC reader do not work on a Spectrum 128k +2 grey I grabbed recently over the net. What is for sure…
... figure out why the DivMMC reader do not work ... is that :
- the DIVMMC reader is not faulty and ... but when using the DivMMC into the I/O ... any possibility to boot the DivMMC again.
After a ... certain cool down period the Divmmc will boot on first ...DivIDE & DivMMC support in FUSE 1.4.0Hello, How do you get DivIDE & DivMMC (with ESXDOS) support working in FUSE? I found some very old posts from 2011 which partially answered he qu…
... do you get DivIDE & DivMMC (with ESXDOS) support working in ...ZEsarUX 6.0 stableHi! ZEsarUX 6.0 stable is out! This is a major version, it includes some new machines and a lot of new features and bug fixes :) You can downlo…
... features: Sprite chip, Layer2, RTC clock for esxdos, 2 MB RAM ... ram, 64kb rom of +2A, divmmc ram, etc
Added file ...Saving in BASIC in ESXDOS, the date is interesting :)I just got my hands on a divMMC Enjoy Mini. What a fantastic device!!! So I tried saving/loading basic programs to the disk. A curious thing happens.…
... got my hands on a divMMC Enjoy Mini. What a fantastic ... kind of awesome. Real time clock update for divMMC I guess.Divmmc Future QuestionHi there, I have just bought a divmmc future from the wonderful tfw8bit and am enjoying it immensely. However I have 2 questions 1) Is it ok to use a…
... , I have just bought a divmmc future from the wonderful tfw8bit ... Kempston interface part of the divmmc?
2) Can someone recommend ...Game Saves With DIVMMC Devices?When using a DIVMMC device can a game position be saved out to the SD card so I can continue the game from where I left off, some games you need to …
When using a DIVMMC device can a game position be saved out to the SD card
so I can continue the game from where I left off, some games you need to do this
as in text adventures etc ?
ThanksGames with proximity warning signal?Hi all. Are there games on ZXS with proximity sound signal? I mean the style like in the Aliens movie. The marines crept through the complex and as t…
... on ZXS with proximity sound signal? I mean the style like ...Strange +2 problem with DivMMC future on a few gamesHi all, Sorry, another question! As mentioned I have recently got my beloved grey +2 spectrum back from being repaired and serviced. Its had a…
... want to use using a DivMMC.
The only bizarre ...TAP files for DivIDE/DivMMCSeveral .TAP files of Spectrum games circulating on the Web won't work with a DivIDE/DivMMC interface. Most of the times this is due to the fact that…
... 't work with a DivIDE/DivMMC interface. Most of the times ...48k spectrum pausing the clockI had a spectrum 3b motherboard donated to me with no case. So i have decided to put it in a custom case with built in kempston port etc. I also …
... to pause the clock. I have found the clock line as it ... never resumes when throwing the clock back to normal. Anyone know ...zx spectrum 48k issue 6A boot fail- black paperohh whats wrong with this poor specie .. boot fail,, border white & paper black .. when reset it shows the red lines to indicate that the CPU is cycl…
... connections..i checked for a clock out of the CPU using ... .4 mhz clock,i also checked for the 50hz signal from CPU ...OUT sentence.I have a little/big problem. I'm trying to use my Spectrum+ as an alarm device. I want to put TRUE in A6 pin of the SK4 connector ... with an OUT se…
...
The same signal can be used for your ALARM CLOCK.ZX Spin 0.4 available for Download.Standard Cut-n-Paste from the CSS post: If all goes well, I'll upload it to WOS on monday. ----------------------------------------- Okay, it's th…
... /> Second - if the hardware interrupt signal remains at fixed position and ... rate, by increasing the CPU clock speed, the result is comparable ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... leading edge of a clock cycle only, which is ... s still a level sensitive signal by definition. It is ... state of the /INT signal that is important at the ... rising edge of a clock because of internal z80 ... asynchronously with the z80 clock. The flip-flop retains ...Sparky eZX-BASIC Project in need of FPGA ExpertYou probably are not familiar with this project, but it is a computer system based on Zilog's new eZ80 chip and the OS is a superset of ZX BASIC. Ju…
... just can't hold the clock line high like the Spectrum ... , nor is there a WAIT signal (although there should be!). I ... " project. Once you selected a clock frequency and calculated everything to ...Sparky eZX-BASIC Project in need of FPGA ExpertYou probably are not familiar with this project, but it is a computer system based on Zilog's new eZ80 chip and the OS is a superset of ZX BASIC. Ju…
... predicted and interlaced with the clock for easy video interfacing. However ... any wait states programmed in) clock cycles to complete, the display ... can't invert the CPU clock to run the display ... had just brought the WAIT signal outside the chip, then things ...Will Spectrum run @ 60Hz?Sorry to overlap w/ my other recent post, but want to know, if I grab a Spectrum and use it in America with a voltage converter or a different power …
... volatge internally but the 60Hz signal on the AC supply ... used to generate the interupt signal and screen sync. The Spectrum ... I say above the interrupt signal is not generated internally. ... oscillating crystal to generate the clock singal, and have better ...Will Spectrum run @ 60Hz?Sorry to overlap w/ my other recent post, but want to know, if I grab a Spectrum and use it in America with a voltage converter or a different power …
... if it pulled from AC signal it would get 60Hz.
signal is not used for clock, as seen [url ...Will Spectrum run @ 60Hz?Sorry to overlap w/ my other recent post, but want to know, if I grab a Spectrum and use it in America with a voltage converter or a different power …
... that has the master 14Mhz clock split once to provide 7MHz ... . The ULA provides the INT signal at 50 beats a second ... TV picture from its own clock surely.
I have ...Will Spectrum run @ 60Hz?Sorry to overlap w/ my other recent post, but want to know, if I grab a Spectrum and use it in America with a voltage converter or a different power …
... has the master 14Mhz clock split once to provide ... ULA provides the INT signal at 50 beats a ... TV picture from its own clock surely.
[/quote]
... being used as the interupt signal generator.
EDIT ... that if the 50Hz clock has nothing at all ...Will Spectrum run @ 60Hz?Sorry to overlap w/ my other recent post, but want to know, if I grab a Spectrum and use it in America with a voltage converter or a different power …
... that has the master 14Mhz clock split once to provide 7MHz ... . The ULA provides the INT signal at 50 beats a second ... TV picture from its own clock surely.
[/quote]
clock and 50/60Hz vertical blanking ...The Sing-clair ProjectFollowing on in a way from [url=http://www.worldofspectrum.org/forums/showthread.php?t=11800]this[/url] thread, I have had an idea. How about if we …
... and hence a very quiet signal. I thought you were into ... impedance doesn't match, the signal is very quiet - I did ... something wrong with my system clock I think (pathetic reference to ...NTSC for Speccy? What would happen?Hi doods. I was just reading a bit there about the TEA2000 video encoder. I'm just talking theory here. What would happen if you... Cut pins 12 an…
... />
If you left the clock for the tea2000 at 8 ... the states handle a 50Hz signal?
I know TV ...RealXThis may be a dumb question but will RealX ever get released?
... ), he noticed that the INT signal is asserted by the ULA ... the falling edge of the clock. Could this be the explanation ...The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... original model. There is a signal /ROMCS on the rear edge ... done it doesn't steal clock cycles.
[quote]Nah ...4th Dimension revisionI've sourced a working copy of the 4th Dimension, the titles listed in Infoseek sare slightly wrong... Side 1: Klimax Rollaround (Yes, the Mastertro…
... 't load at all, the signal was up and down and ... loading screen and the countdown clock. The first filename was "SUPER ...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…
... non-dodgyness of the M1 signal can be determined.
clock!)
The PCB layout ...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…
... checking that there are various signal activities (can you borrow or ... way: check the Z80's clock pin, and check for activity ...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…
... blocks will include a starting signal polarity definition.
the ... a duration of dur.w clock cycles.
This pulse spec ... -0x8000 pulses with dur.w clock cycles each.
This pulse ... -0x8000 pulses with dur.l clock cycles each.
This pulse ...
