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Spectrum dead: 8 vertical bars in alternating colorsI have been soldering on this basterd for a long time now. All IC's now have sockets (except the LM1889). I swapped all 4116's by types that are 100%…
... is an issue 4A, I downloaded the component layout and schematic of ... -
Spectrum dead: 8 vertical bars in alternating colorsI have been soldering on this basterd for a long time now. All IC's now have sockets (except the LM1889). I swapped all 4116's by types that are 100%…
... also go here? When the schematic says between Pin X of ... a direct connection in the schematic. In the broken ZX I ... . 1,5K. Weird as the schematic (issue 4A) shows a direct connection ... -
+3 dead(!)Hi, When I turn on my +3 I see only white and black strips (vertical) on screen any idea on how to fix it? Thank you in advance Chris [IMG]http:…
... . The HALT instruction continues to issue M1 cycles to allow DRAM ... recall that when a RAM error is found, the processor merely ... -
The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... -bit value isn't an issue.) I'll have to test ... 64kB clusters. But writing return error.
VELESOFT -
More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... on in speccy.org. The issue: IORQ doesn't actually arrive ... a transistor hiding on the schematic which prevents IORQ going low ... -
3.5 drive (external)Hi, I read that I have to put a 'diode' on the ribbon cable (for the RDY signal). But so far I could not find where can I put it on the cable... Any…
... -33 internaly
when I issue the 'cat' on the 3 ... workin) then I see an error like illegal sector 1 something ... check this now the exact error message. because I f* up ... -
SPIN: How do I ...re-arrange the keys again? I'm pretty sure I was able to do this way back (or maybe I emulated a joystick). Anywho, how do I re-map the keyboard in…
... maybe this is where the issue resides(???) the only thing that ... keystick ... is "joystick" there in error?)
Anywho ... am using ... -
Machine Code Microdrive File LoaderI've been experimenting with transferring games to run from microdrive. Typically I like to see a loading screen while things are happening, and I li…
... /> ; updated to support both issue 1 and 2 roms
err_nr equ $5c3a ; error report code
err_sp equ ... ld hl,(err_sp) ; fetch current error return
push hl ; ...
cp $19 ; issue 1 $1981
jr ... b
cp $1e ; issue 2 $1e71
jr z ... -
issue 2 sound /loading problemsHello im a newbie to the forum ..have owned spectrums for years..I have a issue 2 board in a dk tronics keyboard that i purchased off of ebay..works …
... schematics you can see that issue 3 and above add an ... output / ear / mic circuit, which issue 2 is missing. That could ... to the internal speaker, see schematic) and see if that improves ... -
Spectrum Review Book is all systems go ![url]http://www.spectrumgamesbible.co.uk/[/url] We've created a small website for the series of books we are looking to create for the Speccy featur…
Cheers for ordering. Annoyed mine has a print error but hopefully will get a free replacement. Going to send one to RG to hopefully get a mini review in a future issue. -
component out?I would like to connect ZX48K to plasma TV with component cable. I read somewhere that signals are on the expansion edge connector. Do I need somethi…
... ;408199]How about this RGB schematic? It has been laying around ... make it but studied the issue many moons ago. In fact ... -
Spectrum 2.0 (soon to be) updatedI've just pushed out a "beta test" of the next version of [url=http://spectrum20.org/]Spectrum 2.0[/url] to [url=http://staging.spectrum20.org/]stagi…
... ve been notified about this issue and we'll take a ... /> I also get the same error message when I click on ... I'm logged in. This issue only seems to have started ... in then I get the error on clicking on any user ... I say apart from the error I can still actually create ... -
Partslist ZX 48K issue 4 PCBHas anyone the partslist from the ZX 48K issue 4 PCB? I can only find those from issue 1, 2, and 3. Thanks! Micky
... partslist from the ZX 48K issue 4 PCB? I can only ... find those from issue 1, 2, and 3. Thanks ... /> And there is no schematic for the issue 1 - which is damn ... -
Problem with Spin 0.7s +3 file I/OI'm currently trying the +3 disk functions in z88dk. I've based my work upon the simple snippet Winston posted a while ago, but doing the contrary. H…
... been created to investigate an issue related with +3 CPC-like ... speficied file. There is no error nor perror altered states, so ... deleting allowed; always "disk protected" error #1). Na_th_an reports that ZXSpin ... -
Problem with Spin 0.7s +3 file I/OI'm currently trying the +3 disk functions in z88dk. I've based my work upon the simple snippet Winston posted a while ago, but doing the contrary. H…
... /write (it will exit with error if this is tried). I ... being weeded out as an error.
The fix seems ... isn't really a stability issue. Because the driver always opens ... have to be an emulation issue. Everything the z88dk driver is ... -
Audio Output Filtering in EmulatorsI am messing around with various beeper-related code at the moment and have a question related to the audio output from emulators... I've written s…
I think the issue here is not that the ... is going to be in error up to 79/2 = 39 ... -
Audio Output Filtering in EmulatorsI am messing around with various beeper-related code at the moment and have a question related to the audio output from emulators... I've written s…
... Anonymous;433540]I think the issue here is not that the ... is going to be in error up to 79/2 = 39 ... higher frequencies. With hindsight my error seems pretty obvious - shame it ... -
Spectrum +3 with internal 3.5" Floppy!!I've decided to flog my beloved Speccy +3 and fall back to emulation again. Not the same I know, but I'm absolutely skint! It also has the sound dist…
... to get my +3, which error checked, much better.[/QUOTE]
issue that there was a typo ... -
Intentional use of wrong screenshots...I noticed (or remembered) that some Zx Spectrum games featured on their back cover or inlay screenshots of the game belonging to other versions of th…
... DTP computers).
Hardware schematic of pokeador autom?tico (and ... screen saver was published in issue 136.
That was ... -
Timex 2048 documentsHi, I got Timex 2048, seems to work, but no colors on screen :cry:. Neither TV out, nor Composite works. ULA fault ? It seems TC 2048 uses MC 1377 a…
... , but I'm lost with schematic. Output of D17 should be ... issue is that my Timex has different elements than in schematic I ... -
Timex 2048 documentsHi, I got Timex 2048, seems to work, but no colors on screen :cry:. Neither TV out, nor Composite works. ULA fault ? It seems TC 2048 uses MC 1377 a…
... , but I'm lost with schematic. Output of D17 should be ... issue is that my Timex has different elements than in schematic I ... -
DSK to TZX?Is it possible to convert a DSK disk image file to a TZX tape file? If so, then how? And is there a utility out there that does something like that? …
... NO LISTA (unit not ready) error after formatting track 27, but ... "drive not ready" error is probably not an issue. There's a ... to load a tape, the error that it got when it ... disc are displayed as "+3DOS error nnn" at the top of ... -
Remove +12 Volt itemsWhich items can be removed on a ZX48K issue 4b PCB if I don't need the +12 Volt? Micky
... to the 7805 section in schematic), except output filter capacitors.
schematic).
C50 is input ... mentioned here apply to 48K issue 4B, and [I]will[/I ... ] be somewhat different for other issue boards!! -
Timex 2048 documentsHi, I got Timex 2048, seems to work, but no colors on screen :cry:. Neither TV out, nor Composite works. ULA fault ? It seems TC 2048 uses MC 1377 a…
2068 schematic does not help me much. ... was changing with every TC2048 issue.
[QUOTE]The pin ... -
Timex 2048 documentsHi, I got Timex 2048, seems to work, but no colors on screen :cry:. Neither TV out, nor Composite works. ULA fault ? It seems TC 2048 uses MC 1377 a…
[QUOTE=kpuchatek;439746]2068 schematic does not help me much. ... was changing with every TC2048 issue.
Looking ... -
Timex 2048 documentsHi, I got Timex 2048, seems to work, but no colors on screen :cry:. Neither TV out, nor Composite works. ULA fault ? It seems TC 2048 uses MC 1377 a…
... does not exist in my schematic, so started to look for ... and found my TC2048 is issue 5, probably 5c (based on ... 's page).
Maybe in issue 5 there is no direct ... D17 to ULA ? Without valid schematic hard to answer.
I ... -
So you want to be a poser. Again.Imagine operating a website that got exposed for gamestaging other people's work, hilariously forgetting to remove the author names when claiming it …
... little points that are an issue, ffs :(
You ... if you correct a grammar error of some you thereby make ... -
ZX + 2: Why Audio from RGB Connector ?Does anyone know what is the difference between the standard "tape/sound" output and the audio output inside of the RGB DIN connector? Does the RGB c…
the +3 has an issue with distortion errm you can ... one half modded, because the schematic for the mod isn't ... -
ZX + 2: Why Audio from RGB Connector ?Does anyone know what is the difference between the standard "tape/sound" output and the audio output inside of the RGB DIN connector? Does the RGB c…
... affected.
The sound issue is described [url=http://www ... />
In the original +3 schematic, TR4 has the emitter connected ...
