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ZXDS interlace issues (DS Hardware issues, nothing wrong with emulator)I love ZXDS and its an amazing emulator but just wanted to ask if anyone else has noticed problems with the newer revisions of DS hardware itself whe…
... DS hardware itself when using scrolling type games.
I ... blurryness was especially apparent in scrolling games.
Has anyone ... -
Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …
... on z80 side facing the ula) just at the transistor plastic ... Service Manual that, related to ula 5c112 timing problems, speaks about ... -
Picture interference on red areas.I recently got a 48K Speccy off eBay, did a composite mode and it seemed to work OK, but then my TV had to go off for repair so I didn't use it for a…
... faults, e.g. an aging ULA or other components? -
ZX ULA Book releaseThe book is complete and with the printer. Once the proof copy is back and checked, and assuming no changes are required, I'll start shipping all you…
The book is complete and with the printer.
Once the proof copy is back and checked, and assuming no changes are required, I'll start shipping all your pre-orders.
It's been an effort like no other I've experienced!
To keep ... -
newbie: on/off and video outputHello, having a lot of 8bit computer I tried the scart cables I have one gave me a scrolling image the other one gave me a good picture but no sound …
...
one gave me a scrolling image
the other one ... -
Gaming annoyancesWhat are everyone's gaming annoyances? Mine are respawning enemies, time limits and games that change styles on each level. I hate buying a side scro…
What are everyone's gaming annoyances? Mine are respawning enemies, time limits and games that change styles on each level. I hate buying a side scrolling shooter only for it to turn into an Op Wolf clone on level 2 and a puzzle game on level 3. -
New stereo audio board for fitting on AY chip - interested?Hi, I developed a small board that fits on the AY chip inside 128K ZX Spectrums: [IMG]http://www.benophetinternet.nl/hobby/vanmezelf/stereo_audio.j…
... beeper sound right off the ULA or from the sound output ... -
Just for funJust for fun, imagine the Spectrum had a graphics mode where there were two attribute bytes per 8x8 block and each block had 2 bits per pixel choosin…
... perform full or semi screen scrolling (twice as much data to ... -
Spectrum hangs upWhat might be problem when my ZX Spectrum 48K (rubber keys) hangs up after few minutes play? It had memory problems but i changed (or an expert did i…
... that everything is OK. Also ULA is OK (i tested it ... -
48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…
... with these machines is the ULA chip, the only custom chip ... my head, with a working ULA (subsequently tested on another speccy ...
