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ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... Unicorn anyone ;) )
- Much faster eeprom write
- Corrected a rare ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... : With a hole to allow EEPROM extraction and without it."[/i ... -
flashing 28C256 by diagnostic board?Is it possible to flash EEPROMs 28C256 by use of the diagnostic board? Which page I have to choose for address space #4000-#7FFF?
... /> As designed either the flash/EEPROM is paged in at 0x0000 ... -
flashing 28C256 by diagnostic board?Is it possible to flash EEPROMs 28C256 by use of the diagnostic board? Which page I have to choose for address space #4000-#7FFF?
The 28C256 ought to be easier as it's an eeprom rather than flash. That means that you don't have to worry about erase sector sizes etc. like with the 29F040 etc. -
ZX Spectrum 48k issuesHi all! A couple of days ago I bought my first 48k Speccy off ebay (I already own a beautiful QL expanded with QubIDE interface and 640k ram). It was…
... program from ROM (including EPROM/EEPROM/flash memory). A RAM test ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... not usually supported by common eeprom programmers since it's relatively ... and the latest PIC fw, eeprom content can be written from ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... the upper part of the eeprom memory.
Also, I wouldn ... 't try and update the eeprom contents from the spectrum. Software ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... internal spectrum rom ready for EEPROM audio update
Both buttons ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... up to 460KB available in EEPROM as a R/W disk ... -
ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... this meant,was that my EEPROM/FLASH programmer was reporting a ... -
Help understanding the Z80.So I have a Z80 CPU and a 32k ram chip. I understand how they connect. (Data and address busses, chip select etc.) But how would i input information…
... some sort of EPROM / EEPROM / flash. EPROMs refer to ... called an EPROM programmer. EEPROM is electrically erasable as opposed ... make distinctions between EPROM / EEPROM / flash because they're using ... organized into sectors. Being EEPROM means you can program ... -
SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot
... future is not jumper for eeprom(only internal or not used ... -
SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot
... /> Where is jumper for flashing eeprom (upgrade system) ?
- 4 ... (standard/minimum)
- 8kB flash eeprom (standard)
- I see on ... .
- invisible jumper for flashing EEPROM.... If it's hard connect ... -
SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot
... /> - ram memory 512kB
- flashing eeprom is possible after eject SD ... -
ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
... the ROM with a newer EEPROM (like 27E257) with double capacity ... test ROM images with the EEPROM.
You could also ... -
ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
... .
Yes bank-switchable EEPROM would be very useful. Anyone ... -
SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot
... /> - ram memory 512kB
- flashing eeprom is possible after eject SD ... -
ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …
... Spectrum and then written into EEprom. The reason is simple - dual ... -
ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …
... and to disable the DivMMC EEPROM. On boot up, 48K mode ... -
Troubleshooting RAM IC's on Spectrum +2 Grey?Got myself a grey +2 but at startup it shows something very similar to this: [img]https://preview.ibb.co/mmai5F/2_Ram_Fault.png[/img] I also su…
... EPROM chip (or suitable flash / EEPROM chip). I have not tried ... -
DivIDE & DivMMC support in FUSE 1.4.0Hello, How do you get DivIDE & DivMMC (with ESXDOS) support working in FUSE? I found some very old posts from 2011 which partially answered he qu…
... need to run esxdos from eeprom, not in mapram mode and ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... .
- z80 code residing in eeprom : can always be programmed from ... different means to write the eeprom contents:
A) audio ... -
Assembler by Peker Computers Ltd.There are two entries at WOS: http://www.worldofspectrum.org/infoseekid.cgi?id=0024435 (MIA) http://www.worldofspectrum.org/infoseekid.cgi?id=100…
... an idea of using an eeprom reader to get at the ... the board except for the eeprom and a chip to OR ... -
Raspberry Pi and Arduino Projects.All, So at my work I've just joined a learning community for micro computer and micro controller learning community. for this I recently acq…
Correct EPROMs for flashing +2a +2b +3 system ROMsHello I'm looking for some suitable EPROMs with which to create +3e ROMS to fit to some +2a, +2b and +3 machines. Would these ones be suitable …
... /> BTW, you can use 28256 (EEPROM), and even 27512 or 28512 ...Any other ROM cartridge / Interface two software produced for the SpectrumI just recall from the ZX Spectrum catalogue a few games were also produced on ROM cartridge, but was there any other stuff - utilities, languages or…
... beyond. Now even larger EPROM/EEPROM/flash chips are available for ...Spectrum 128k advice neededHi, I'm new to this forum and the spectrum world. I have this spectrum "toastrack" that was working fine until today. It doesn't boot anymore, it s…
... allows its own ROM (EPROM/EEPROM/flash) to page out the ...Some real treasures to sellI'll sell my last Sinclair and other old PC parts in the next days ... https://www.ebay.de/itm/303558178892 https://www.ebay.de/itm/303558177393 h…
... ? This litte computer has an eeprom with 8 possible emulations (128K ...Additional Information , Notes , and Details , re.the Main Windows Edition of Spectaculator There is no lenghy instruction to go with Spectaculator . Mark did a great job adding extra info. with this thread:- [url="https://worldofspectr…
... this covers the 1024 bytes EEPROM:-
[url="https:// ... www.arduino.cc/en/Reference/EEPROM"]https://arduino.cc/en/Reference ... quick reminder on what an EEPROM actually ( after all it ... https://en.wikipedia.org/wiki/EEPROM"]https://en.wikipedia.org/ ...

