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New hardware for Spectrum from ShaosI have some ideas for new ZX-peripherals and quickly designed a prototyping board for experiments: [URL=http://nedocon.com/store/speccy/][IMG]http:/…
... for K-MOUSE, joystick, flash eeprom 128/256/512kB, static ram ... -
DivMMC EnJOY!Coming up... [IMG]http://benophetinternet.nl/hobby/vanmezelf/DivMMC_enjoy_first_render.jpg[/IMG]
... , 2x micro SD cards, flash eeprom in socket, sram 1MB, joystick ... -
Hardware description - MB-02+ interfaceOn this thread will soon released info about MB-02+ idisk interface ( memory paging mechanism, list of ports, addressing, MB IDE, schematics, etc... …
... after easy modification use FLASH EEPROM chip 512kB (29F040). Flash utility ... -
Barn find #4I think this is some sort of backup device. Its got "007" on the motherboard and the mice have chewed the buttons. Will do a little research later in…
I'm thinking about creation of something similar, but instead of tape recorder it will use onboard serial EEPROM to store snapshots... -
Barn find #4I think this is some sort of backup device. Its got "007" on the motherboard and the mice have chewed the buttons. Will do a little research later in…
[QUOTE=Shaos;718425]I'm thinking about creation of something similar, but instead of tape recorder it will use onboard serial EEPROM to store snapshots...[/QUOTE]
That would be useful. What size Eprom would you be able to put on it? -
Barn find #4I think this is some sort of backup device. Its got "007" on the motherboard and the mice have chewed the buttons. Will do a little research later in…
... with 5-volt 128K SPI EEPROM and store not separate snapshots ... -
Barn find #4I think this is some sort of backup device. Its got "007" on the motherboard and the mice have chewed the buttons. Will do a little research later in…
... with 5-volt 128K SPI EEPROM and store not separate snapshots ... -
DivIDE not working not starting on a 128k +2AMy newly bought DivIDE (57c version) BenVersteegs Black Edition (with 4 GB CF-Card) with installed ESXDOS 0.8.5 firmware don?t boot up on my +2A Spec…
... has it's own Flash / EEPROM / EPROM / ROM like a DivIDE ... -
DivIDE not working not starting on a 128k +2AMy newly bought DivIDE (57c version) BenVersteegs Black Edition (with 4 GB CF-Card) with installed ESXDOS 0.8.5 firmware don?t boot up on my +2A Spec…
... has it's own Flash / EEPROM / EPROM / ROM like a DivIDE ... -
DivIDE not working not starting on a 128k +2AMy newly bought DivIDE (57c version) BenVersteegs Black Edition (with 4 GB CF-Card) with installed ESXDOS 0.8.5 firmware don?t boot up on my +2A Spec…
... Jumper is for updating the EEPROM and maybe prevent it from ... -
TR-DOS + 48K + divIDESo since I'm now a proud owner of divIDE and ESXDOS with TR-DOS emulation, I would like to make some use of the latter. Basically I want to try out …
... ESXDOS is not installed in eeprom chip as main system and ... one 8kB ram page for EEPROM emulation and for system is ... your system is flashed in EEPROM chip, then can use full ... -
DivMMC EnJOY!Coming up... [IMG]http://benophetinternet.nl/hobby/vanmezelf/DivMMC_enjoy_first_render.jpg[/IMG]
... are some data in EEPROM chip randomly rewrited and ... detect cards. Reflash EEPROM chip repair EEPROM data of system and ... similar problem with randomly rewriting EEPROM data on classic DIVIDE ... s DIVMMC interface use 8kB EEPROM chip AT28C64B with possibility ... -
DivMMC EnJOY!Coming up... [IMG]http://benophetinternet.nl/hobby/vanmezelf/DivMMC_enjoy_first_render.jpg[/IMG]
... are some data in EEPROM chip randomly rewrited and ... detect cards. Reflash EEPROM chip repair EEPROM data of system and ... similar problem with randomly rewriting EEPROM data on classic DIVIDE ... s DIVMMC interface use 8kB EEPROM chip AT28C64B with possibility ... -
DivMMC EnJOY!Coming up... [IMG]http://benophetinternet.nl/hobby/vanmezelf/DivMMC_enjoy_first_render.jpg[/IMG]
... /> Thanks to correct connection of EEPROM chip in DIVMMC are all ... -
Homebrew ZX Spectrum kits for DIY builders !Hi. I'm considering selling Homebrew ZX Spectrum kits on ebay... hopefully at a low price ! They'd consist of : Z84C0020PEC Z80 CPU …
... .50
64k or 128K EEPROM DIP $1.0
EPM7128SLC84 ... -
divide off switchI have a divide 57c. I would like to have an off switch so I don't have to remove the card if I don't want to use it. Eg to access 128 basic etc. …
... allows you to reflash the EEPROM, use it as a hard ... -
divide off switchI have a divide 57c. I would like to have an off switch so I don't have to remove the card if I don't want to use it. Eg to access 128 basic etc. …
... allows you to reflash the EEPROM, use it as a hard ... -
divide off switchI have a divide 57c. I would like to have an off switch so I don't have to remove the card if I don't want to use it. Eg to access 128 basic etc. …
... allows you to reflash the EEPROM, use it as a hard ... -
divide off switchI have a divide 57c. I would like to have an off switch so I don't have to remove the card if I don't want to use it. Eg to access 128 basic etc. …
... access to IDE devices. The EEPROM will be protected to avoid ... to IDE devices. Also, the EEPROM is not protected so you ... -
Odd versions of the Multiface One.I've been looking through the adverts for the Multiface One and it's clear that there were a number of versions available. Note the earliest advert …
A bit confused. Do you intend having a single ROM image for just one Multiface, or multiple Multiface ROM images in the EEPROM?
Only the 28C64B is a 8k by 8 bit EEPROM...
[B][I]Mark[/I][/B] -
Odd versions of the Multiface One.I've been looking through the adverts for the Multiface One and it's clear that there were a number of versions available. Note the earliest advert …
... Multiface ROM images in the EEPROM?
Only the 28C64B ... a 8k by 8 bit EEPROM...
[B][I]Mark ... -
RTC module for DIVIDE[IMG]http://velesoft.speccy.cz/other/rtc_module_v01_full_top.jpg[/IMG] [IMG]http://velesoft.speccy.cz/other/rtc_module_v01_full_bottom.jpg[/IMG] [IMG…
... 8kB rom pages (if 32kB eeprom will connect)
- jumper for ... -
MISSING M1 LINE ON +48????I was posting questions about my DIVMMC enjoy not working on one of my +48`s and have now got round to testing if its cpu related.Trouble is the one …
... it's own ROM (or EEPROM, Flash ROM or EPROM). In ... -
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…
... .uk/itm/Universal-miniPRO-EPROM-EEPROM-FLASH-Programmer-TL866CS-High-speed ... -
RTC module for DIVIDE[IMG]http://velesoft.speccy.cz/other/rtc_module_v01_full_top.jpg[/IMG] [IMG]http://velesoft.speccy.cz/other/rtc_module_v01_full_bottom.jpg[/IMG] [IMG…
... only if you connect 32kB EEPROM chip 28C256. Also can be ... used original 8kB eeprom and both jumpers will ignored ... -
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 …
... the top of them).
EEPROM - [i]Electrically[/i] Erasable Programmable ... -
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…
... was thinking though, as the EEPROM/flash chip used is not ... we consider another type of EEPROM/flash chip?
[B ... -
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…
If the code is being (or going to be) rewritten, it makes sense to allow the user to select which EEPROM/Flash chip is being used so that the sector erase code and programming code is correct for the chip in use :-)
[I][B]Mark[/B][/I] -
48K Ram Check Command not workingI am trying to repair my Spectrum 48k. It is having issues loading games, sometimes they load all the way to launch and then the speccy resets. Oth…
... , and can program EPROM or EEPROM chips, you can program the ... Spectrum to use an EPROM/EEPROM.
The ROM test ...