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48K Issue 3, noisy display.Has anyone here experienced and been able to resolve a problem that looks like this: [URL="http://drizzle.zigg.net/ZX/ZX106-display.jpg"]Photogra…
... was taken as a composite signal with the modulator disconnected. This ... -
AZIMUT / Frecuency spectrum[code]start DI LD HL,#7F40 LD D,#58 loop LD B,#00 bucle1 LD A,H IN A,[#FE] XOR A,C AND A,L J…
... :0 is to show no signal detected
when pulse ... -
Pip The Pipistrelle[color=red]*COMING SOON*[/color] Pip The Pipistrelle I am going to put all the game details,instructions and story here now and simply update this t…
... of either removing the jsw clock or starting it at 00 ... -
old PC with Monocrome Monitor Out.So as discussed in the Carboot sale thread, I have brought and old Apricot Xi. It takes a monochrome monitor via a 9 pin D connector. Now I don't ha…
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8 ground (signal ground?)
9 video signal
and ...
amplitude of the video signal is fixed at 0.3V ... -
The Sinclair ZX Microdrive Resurrection Project (long)Dear Spectrum fans! [Management summary: Download [url]http://www.bartheld.net/temp/mdv2img.zip[/url] and tell me what you think. All help very much…
Spectrum 128k +2 (grey) RGB Port IssueI have a Spectrum 128k +2 grey model which when connected to the TV with a RGB scart lead via RGB port displays the standard menu screen but flickeri…
... then the TV displays no signal and the cycle repeats. I ...Using a Pinnacle pctv (pci) with 48k/+2 greyWhile I'm waiting for some news on the timex front ([url]http://www.worldofspectrum.org/forums/showthread.php?t=38182[/url]), I decided to start sort…
... 't pick up the composite signal from my modified 48k nor ... did it tune the RF signal from my +2 grey. Any ...Issue 3B only sees 16k (and RAMTOP NO GOOD on loading)A ZX+ with issue 3B board that i got recently, does not see anything more than 32768 (sometimes 37267..) on "PRINT PEEK 23732 + PEEK 23733 * 256 (Ent…
... on this spectrum, and the signal is a lot better than ...Microdrive units with weak (not dead) ULAs...Hi everybody, I've got a Microdrive unit here. It didn't work. It does now (actually, it was the ribbon had broken and the ground had lost contact, …
... on pin 1A (the data signal) and on the bad unit ... I believe that's the signal before going into the ULA ...Clocks go Forward UK?All morning I forgot that the clocks should have gone forward. I was wondering why my PC was out of sync with my wall clock. :oops:
All morning I forgot that the clocks should have gone forward. I was wondering why my PC was out of sync with my wall clock. :oops:ZX Spectrum 128k Heatsink RGB behaviourHello, this is George from Greece. I have an 128k+ (Heatsink) and i use the rgb cable i bought from ebay on a 1084st monitor. As the monitor does …
... /> I will test the composite signal tommorow but i prefer the ...The impossible made possibleSome years ago Miguel Angel Rodriguez Jodar and I developed the PC Keyboard Interface (still available at SellMyRetro.com). The interface however wa…
... the matrix array's /IORQ signal (a GAL16V8 could do such ...Google PlayGoogle Play is a new addition to the iGoogle browser homepage that showcases Android apps [url]http://play.google.com/store/search?q=zx+spectrum&c=a…
... Games there is a ZX Clock widget and Nerdstalgia which allows ...More Speccy ListingsListed a few more bits over the last couple of days - some ending today, some ending in a couple of days. The listings can be found [URL="http://www…
... phone that only gets a signal when it feels like it ...New Game: Antiquity JonesYeah - corny I know, but ran out of good ideas for a name so left it at that. Its a good old platform against the clock type game, with a few neat i…
... good old platform against the clock type game, with a few ...Improving audio?In working on fixing and updating the hardware in my ZX Spectrum 48k, there is one nagging issue. My issue 2 board has crappy sound through the beepe…
... to improve sound? Amplify the signal to the beeper speaker? And ...Would this work for Scart blanking in +3?I was looking at RGB to Scart cable solutions over at CPCWiki. Theres [URL="http://www.cpcwiki.eu/index.php/TV_SCART_cable#Alternative_RGB_Wiring"]o…
... [/URL] that takes the sync signal (pin 4) from Amstrad and ... pin to supply the sync signal one-way and add the ...Getting absolutely no video from a 128+I'm trying to get a friend's toastrack 128 to show video and I'm not having any luck. I'm in the US, so I don't have access to any TVs that can take …
... can take a UK RF signal, but I do have access ... audio mix from the composite signal with no change.
Great Spectrum mythsWas pondering the other night what the best/most enduring myths about the Spectrum might be? On the gaming front, the three I came up with were: (1…
... the boat until stupid o'clock (and yes, I did try ...ZTX650 and ZTX213Hi I have one +2 which was completly dead but after confirming 78S05 was faulty I replaced it. Afterwards it powers up but there is no TV or composit…
... is no TV or composite signal.
Checking by multimeter on ... (also I have beeping test signal on break key after computer ...Spectrum 128K: distorted picture with composite to vga converterI'm trying to get my 128K Spectrum (toastrack) to work with a vasmon3 composite to vga converter, but all I get is a distorted image on the VGA monit…
... 4 V DC max and signal swing 2 V tt.
signal swing 1 V tt.
signal is about 11.8 volt ...Spectrum +2 gray strong noise at TV sound outputWhat could be the reason of strong sound noise at TV channel on gray +2? In the beginning this speccy was dead, it had faulty 78S05 and ZTX650. Added…
... that I got normal TV signal, another speccy back from dead ...Intermittent reset on 48K (issue 4S)I'be been fighting an intermittent selfreset the whole day. Changed ULA - did not help. Tested TR6 as i could and compared the reading with another…
... a fault. It distorted the signal in some what that resulted ...Imperica Horizons - The whole weekend :-)So now it's all over, I'll do a quick writeup... It all started for me at 5.20 am. Getting to London from Devil's Island isn't so easy now that Aer …
... be only one 8 o'clock per day, and having two ...ULAPlus: showing different screen modes in one screenI wanted to write a demo showing the same screen, converted to various screen modes available on the Spectrum (well, a Spectrum clone capable of show…
... not generating a valid IORQ signal, thus confusing the contention handler ...Two more M.I.A.sI wrote two simple educational games in 1988 called "Easy Time" and "Easy Maths" (may have been "Easy Math"). They were written in compiled BASIC, a…
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In "Easy Time", a clock was drawn in the top ... screen displaying a time. The clock had markers but no numbers ... time as shown on the clock, a mouse in a red ...Ferguson MA20 via SCART to modern TVHello, I am a newbie here but I visit this forum on regular basis to find interesting informations about computers of my life - Speccies. I have a s…
... there is no RGB out signal at edge connector so I ... /> 3) How about "inverted sync" signal mentioned at this page:
signal may I use 7404 (74LS04 ...'Jumping' Composite Video Output on +2bNot having much luck recently... I have converted my +2b to composite out using the info contained [URL="http://www.secarica.ro/html/plus3_hardware.…
... ' or flickering composite signal - that is, the signal appears to be jumping ...128K Toastrack colour smearHi guys! I got this 128K toastrack and connected it to my TV composite video input extracting the video signal directly from PIN 1 out of the rear R…
... video input extracting the video signal directly from PIN 1 out ...
