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InterfaceHi I'm building a spectrum emulator. I've tried to build it as modular as possible, for example I have a zx class that have input and output devices…
General ROM paging is all done in hardware. Take a look at the Spectrum Diags board in my sig below if you want to see it in schematics.
But in summary, the Spectrum exposes a line called ROMCS at the edge connector. Every memory chip in a ... -
TC2068 emulator cart - problemHi, Sorry for posting timex related stuff on a spectrum forum. So, this cart (spectrum emulator) can only adress 16K. I can load small games but i …
... a 16K page on my diagnostics board :-) I noticed Jetpac could ... -
TC2068 emulator cart - problemHi, Sorry for posting timex related stuff on a spectrum forum. So, this cart (spectrum emulator) can only adress 16K. I can load small games but i …
... a 16K page on my diagnostics board :-) I noticed Jetpac could ... -
Just in case I've missed anything.It's probably the case. After all, I don't follow retro developments nearly as close nowadays as I used to. However, I've been asked to write an arti…
... could alway mention the speccy diagnostics board featured elsewhere on this ... -
The Non Randomness of Sam BasicHows about this for weird. Hardly ever bothered with such simple stuff before but this is what I just did on the Sam ( as in a real one now I've got …
MrCheese: indeed - that's exactly what my diagnostics rom does for the random memory fill test - to check the memory still holds what it was set with, the PRNG is just re-run with the original seed and compared against the contents of memory. -
Eprom blowerdoes anyone know a site with plans for an eprom programmer project that'll blow 27C256s. I attempted to build one called Kisseprom, but the software …
... images onto the diagnostics board :-)
My diagnostics board also doubles ... -
How about making a diagnostic program for 128k speccys?Hi guys, I was just chatting with DEATH today about a problem i had with my 128 heatsink spectrum and the need for a 128k speccy diagnostic program …
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If you need further diagnostics -- there is an Amstrad diagnostic ... -
How about making a diagnostic program for 128k speccys?Hi guys, I was just chatting with DEATH today about a problem i had with my 128 heatsink spectrum and the need for a 128k speccy diagnostic program …
... 've used it with my diagnostics board. (Unlike the one I ... -
What did Spectrum BASIC lack (and was BBC BASIC so good?)Over the years, I've read in various multi-format magazines, that BBC BASIC was probably the best BASIC available on an 8-bit machine. I've never use…
... a free slot in the diagnostics board I built for use ... -
Poke 23739,111So, I'm looking at some of my old loaders (BASIC stuff) to work out how I got the display to not corrupt on loading code. It's the old POKE 23739,111…
... earlier this year for my diagnostics board :-) (I did it for ... -
The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…
... " things).
Also, a diagnostics program that listens on a ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... 've observed it with my diagnostics board (using IORQ for /E1 ... -
Panama JoeToday [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0003591"]Panama Joe[/URL] sits at number 91 in the all time best list on WoS, just ahead…
I played it because it had an Interface 2 ROM version, which I loaded into the Spectrum Diagnostics board (spare 16k pages in the flash ROM can be used for anything). -
Your claim to fameBeen meaning to make this thread for a while. Basically what have you done either spectrum related or non related thats made you well known. IE progr…
My Speccy diagnostics board has featured on the BBC... -
I/O on the Speccy - ideas/help wanted!I'd like an interface for the Spectrum that can control and monitor other items. I have a task in mind that would require: A: 4xbinary inputs (as in…
... you look at my Spectrum diagnostics project, have a look at ... -
The Ting TingsI really like their latest song 'Shut Up And Let Me Go'. I think I might buy the album during the week. I can't believe I just said that. *runs away…
They were very good live on Marc Riley's show on 6 Music a year and a half ago - much better than their recorded stuff. They put a lot of passion into it. (I was assembling DEATH's diagnostics board at the time,. so it makes it memorable!) -
Black ScreenHi, Anyone know what would cause a 48k Spectrum to boot to a black screen? you can hear the internals buzzing at power up, but you just get a black…
... one's gone (see the diagnostics link for a board you ... -
What's the RAND USR code for the test screen?And what versions of hardware does it work on? Ta!
... modified]ZX Spectrum - Spectrum +3 Diagnostics & Sound to Light
Go into diagnostics via reset + BREAK.
Press ... -
R.I.P. spectrum 48kRecently one of my 48k rubber key (issue 4) machine bit the dust the other day when I tried to power it on. When powering it on, it gave a weird 'bee…
[QUOTE=roko;334041]Better establish what caused the problem first!
My first step would be eliminating Z80 and ROM problems by exchanging these.[/QUOTE]
This is why Winston (bows head in respect) invented the diagnostics board :) -
R.I.P. spectrum 48kRecently one of my 48k rubber key (issue 4) machine bit the dust the other day when I tried to power it on. When powering it on, it gave a weird 'bee…
... myself.
Winston's diagnostics board would soon tell if ... -
car problemsmy bird's car stopped working this morning, it wont start, the negine makes a noise but doesn't kick in. it s aford fiests zetec, automatic. does a…
... can be helpful with the diagnostics in the back, but really ... -
car problemsmy bird's car stopped working this morning, it wont start, the negine makes a noise but doesn't kick in. it s aford fiests zetec, automatic. does a…
... can be helpful with the diagnostics in the back, but really ... -
Thinking ahead...Just mulling something over for the Project After The Spectranet (which seems to have become never-ending...) Would anyone (except for me, naturally…
... build this! I built your diagnostics board beginning of 2008 and ... -
FLASH EPROM programming on ZXExist any other software for rewriting FLASH EPROM or EEPROM chips on real ZX ? I know only: EEPROM flasher for original DivIDE [url]http://85.132.…
Both my diagnostics board (which uses an Am29F040) ... -
Beep Hero.With the quality tunes people get out of a speccy these days surely a guitar hero style game shouldn't be impossible. If you look at Klax on the spec…
Good grief, I see someone built my diagnostics board from schematics and it was shown at Retroma??a... fame at last :-) -
ZX Spectrum not working - Please help.Hi there, I am new to this forum and was pointed in this direction by a fellow Youtuber after uploading the following video and then explaining that…
... say that until some simple diagnostics have been carried out on ... -
Two dead SpectrumsHi all, Long time since I posted on here. I'm having a bit of a clear-out, and I've re-discovered two Spectrums I had in the loft : One is an orig…
... failed. If you have my diagnostics board, you can get the ... -
Thinking ahead...Just mulling something over for the Project After The Spectranet (which seems to have become never-ending...) Would anyone (except for me, naturally…
Hey Winston,
Any news? I was using your famous Diagnostics Board today, which triggered me to check if there was any news on this one...
Cheers,
George -
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%…
... even basic function of a diagnostics board doesn't work. For ...
