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Issues with 48k spectrum and divIDEI heard you can have all kinds of issues with 48k spectrum and certain DivIDE models. Is this true and if so what should I look out for ? Only aski…
... . It had Zilog Z80A, NEC ROM. The original situation was that ... reset. I did the "NEC ROM fix" I have mentioned in ... a Spectrum +2B after CPU replacement. If I replaced the CMOS ... -
Issues with 48k spectrum and divIDEI heard you can have all kinds of issues with 48k spectrum and certain DivIDE models. Is this true and if so what should I look out for ? Only aski…
... . It had Zilog Z80A, NEC ROM. The original situation was that ... reset. I did the "NEC ROM fix" I have mentioned in ... a Spectrum +2B after CPU replacement. If I replaced the CMOS ... -
History of +D ROMsIs anyone familiar with the history of ROMs for the MGT +D? Which versions do exist, what are the known changes and can late versions for the beige D…
... came with its own ROM chip (it could replace ... v1 or v1a original ROM chip - doesn't this ... 1349 free bytes of v1a ROM. I remember Miles said ... eprom and replace the original ROM" - again no mention if ... not a problem with 128K toastrack hardware, it was just ... -
Help Me Identify Mystery Speccy PlzI was Given A box of speccy stuff and in it i got a nice surprise it included a really nice spectrum but ive not seen it before its a cross between …
... =balford;778556]My regular UK toastrack also has an EPROM though ... EPROM chips instead of masked ROM chips.
Changing the ... -
Spectrum 128 malfunctioning with DIVMMCI recently got myself a spectrum 128 (toastrack) and a DIVMMC card so I could load games from it. It all works fine until it has warmed up and then t…
... Spectrums. They are (almost) perfect replacement for the 48K models, generates ... heat, but the regulator in Toastrack is rated above 1A so ... peripherials for it, since the Toastrack consumes 0.96A@10V with ... -
Ben Heck modifies a Zee X Spectrum.Gahh, one of the differences between Americans and Europeans right there in the title. Anyway, we know better ;) ...and this isn't about that anyway.…
... etc
the dual rom thing, I have on my ... idea of the low ram replacement from someone here who posts ... -
Creating real usable custom romsWhat is needed and what would the cost be to create a custom rom for a +128 or +2 I only ask because ive been messing around under emulation with som…
Might invest in something like this myself. I've got a Guesser board happily living in my +2b but fancy playing with the rom in the toastrack now. :) -
+128 with usr0 in menu screenIve just watched a video of a guy with a spectrum and on the loader menu i think under calculator the menu had an entry for usr0,anyone aware of this…
... . I've done a few replacement ROM sets for the +2B over ... -
Ben Heck modifies a Zee X Spectrum.Gahh, one of the differences between Americans and Europeans right there in the title. Anyway, we know better ;) ...and this isn't about that anyway.…
... provide a fully open source replacement firmware while retaining as much ... microdrive. It is a 32K ROM, having hi-res (80x24 characters ... be able to use this ROM with them.
OpenSE ... -
What's going on with the 128 music in Madballs?I always remembered my copy of the (terrible) Madballs having a neat 128k tune, but for a long time now all the TZXs I've been able to find have only…
... there multiple versions of the toastrack 128 ROM? i.e. is it ... a different version of the ROM to the one that's ... -
Would Anyone Be Willing/Able To Burn Me A RomI would Like If Possible For Someone To Burn Me A Custom 32k Rom But I Would Also Need The Chip Supplied Which Cuts Down My Chances Of Someone Being …
I can also help. If you intend this to replace the ROM in a toastrack or grey +2 then it's a single 27C256 EPROM you need.
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Would Anyone Be Willing/Able To Burn Me A RomI would Like If Possible For Someone To Burn Me A Custom 32k Rom But I Would Also Need The Chip Supplied Which Cuts Down My Chances Of Someone Being …
... a toastrack to be presice its combined spanish english translated rom 0 ... and either the original 48k rom or one I found that ... need to be a combined rom file or are the halfs ... -
Would Anyone Be Willing/Able To Burn Me A RomI would Like If Possible For Someone To Burn Me A Custom 32k Rom But I Would Also Need The Chip Supplied Which Cuts Down My Chances Of Someone Being …
... a toastrack to be presice its combined spanish english translated rom 0 ... and either the original 48k rom or one I found that ... need to be a combined rom file or are the halfs ... -
Would Anyone Be Willing/Able To Burn Me A RomI would Like If Possible For Someone To Burn Me A Custom 32k Rom But I Would Also Need The Chip Supplied Which Cuts Down My Chances Of Someone Being …
Fairly sure he wants to take the English translation of the Investronica 128 ROM and burn it for use in a real toastrack or grey +2, judging by other threads :)
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Hardware with ULAplus supportFollowing on from the emulators thread I thought it might be worth listing the hardware that I know of that supports ULAplus. I know there's at least…
... ULAplus[/url] FPGA/CPLD plugin replacement
[url="http://spectrum.alioth ... ="http://www.nedopc.com/zxevo/rom/zxevo_firmware_update_eng.pdf"]ZX-Evo[/url ... -
Seriously weird Issue 2 issue... (RAM-related)Hi guys; I have been trying to fix up my Issue 2 and have run across a bizarre issue that I haven't seen elsewhere in the forums. Hopefully one of …
... use?
When both replacement 4164 chips are fitted, when ... section of code in the ROM.
[B][I]Mark ... -
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…
... remaining are the ULA and ROM. The latter is socketed - I ... it with the Issue 3 ROM; I'll have to check ... RAM sockets and swapping the ROM don't work then I ... Spectrums, my Harlequin, and my toastrack. -
Best version of SE Basic for use in real 48K machineAs title really. :) I did a search but I'm still confused a bit. :( I've seen a few versions, namely 'SE Basic 0.80a' which has the nice 'bar' abov…
... currently as reliable as a toastrack 128. So here's a ... Basic IV 4.0.7 ROM 1 if you want the ... most advanced ROM currently available (supports esxDOS and ... ok to use a modified ROM, like Gosh Wonderful, in original ... -
Hardware with ULAplus supportFollowing on from the emulators thread I thought it might be worth listing the hardware that I know of that supports ULAplus. I know there's at least…
... ULAplus[/url] FPGA/CPLD plugin replacement
[url="http://spectrum.alioth ... ="http://www.nedopc.com/zxevo/rom/zxevo_firmware_update_eng.pdf"]ZX-Evo[/url ... -
Did you know.. Disciple edge connectorDid you know the edge connector used on the Disciple is actually identical to that from the Interface 1? [IMG]http://www.benophetinternet.nl/hobby/v…
... using an Interface 1 with ROM version 1 and blown ULA ... angle. When I bought a toastrack, I found out that it ... -
48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... this the one with the replacement chips being 4532's?
I've tried swapping ULA, ROM, CPU and lower RAM to ... -
1st interface in 30 yearsHi all, The last time I built a ZX Spectrum interface was 30 years ago, so today I gave it a whirl with an external rom. Switchable in/out of course…
... pretty much a drop in replacement on the hardware side I ... can erase a single 16K ROM without touching other images.
ROM so am familiar with the ... -
ZX Spectrum upper RAM module (4532/4164 replacement)Following the [URL="http://zx.zigg.net/LRR/"]lower RAM replacement module[/URL], there have been quite a lot of requests for something similar for th…
... both the 16K and 32K replacement modules are in, compared to ... in place of the Sinclair Rom.
280mA.
ZX Spectrum upper RAM module (4532/4164 replacement)Following the [URL="http://zx.zigg.net/LRR/"]lower RAM replacement module[/URL], there have been quite a lot of requests for something similar for th…
... replacements
- switch mode 7805 replacement
- CMOS Z80
- LS ... by HCT family
ROM, ULA and LM1889N are the ...Please explain Spectrum FPGA-clones to meI've been using the great ZXDS-emulator on the DS XL so far, which is great. But I kinda missed toying around with hardware. I've tried bidding on a …
... two devices: upper RAM and ROM. The address bus is directly ... connected to two devices: ROM and multiplexors, and some control ... failures while testing my ULAplus replacement chip.Multi Multiface: the projectI posted some updates on Facebook yesterday about the development of the Multi Multiface, but here is the right place to share all technical findings…
... /> Planned features:
- rom page with bios (after start ... - full replacement of zx48,zx128 and +2a/+3 rom. For example ... will possible connect external +3e rom...
- full compatibility ... - all ram features
- rom switching 16kB mode for flashing ...48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…
... a minor modification (EPROM replacing ROM). So I don't think ... work done to develop a replacement for the ULA. But moving ...128K Spectrum - can't figure out what's wrongLong time no post :) So I have this 128K Spectrum (+2 ROMs) that I cannot for the life of me figure out where the problem lies. Let's take a look a…
... circuit is based on* the toastrack 128K/Amstrad +2 Grey, so ... power-cycled), not showing snow, ROM data, etc.
Incidentally ..."real good" keyboard membranes for Spectrum+Hi, is there a possibility that someone will produce a real good substitue for defective membranes of Spectrum+ or 128k heatasink. I bought several …
... got a toastrack with a 3-4 year old replacement membrane, which ..."real good" keyboard membranes for Spectrum+Hi, is there a possibility that someone will produce a real good substitue for defective membranes of Spectrum+ or 128k heatasink. I bought several …
... of different fitments of the toastrack membrane in the past, swapping ... membranes were the only available replacement at the time, and I ...
