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Replacing +2/+3 rom with eeprom?Hi I want to change my +2a to +3e (or +2e). Garry mentions that 27C256 eprom can be used. I would like to use 28C256 instead. Pins are not all the s…
... ). I have tried to connect eeprom pin 1 (A14) to socket ... 's pin 27 and eeprom pin 27 unconnected (and also ... -
Divide Eeprom - Write Protect FeatureDivIDE interface can contain two types of eeprom chip: EEPROM AT28C64 (without write protection, always rewritable) [url]http://www.atmel.com/dyn/re…
... two types of eeprom chip:
EEPROM AT28C64 (without write ... url]
Classic 8kB eeprom without any features. Can be ... img]
EEPROM AT28C64B (with write protection feature ... img]
Modern 8kB eeprom with software features. Can be ... -
Divide: problems with SNA files and upgrading EEPROMHello everybody, I am new at the forum. My name is Fernando, first of all thank you to the admins to give me access and the opportunity to participat…
... not possible to update the EEPROM with a new (or old ... -
ROM replacement using 28C256 EEPROMThought I'd share a quick project I knocked up in order to use a 28C256 EEPROM in place of the standard 23128 ROM in the Spectrum. The connections a…
... to use a 28C256 EEPROM in place of the ... carried directly through to the EEPROM.
Pin 1 ... (A15) on the EEPROM socket is connected to either ... connected to VCC on the EEPROM socket.
... and one to carry the EEPROM. This fits (just!) ... -
NEW INTERFACE FOR ZX SPECTRUM!!Hi all zx-maniax! Here is a letter from Polish inventor, Yarek Adamski. He constructed a new brilliant interface for ZX SPECTRUM. Ready carrefuly i…
Help with +3 in comaHi everyone Had a spectrum +3 under the bed for some time and when replacing its drive i accidentally connected the 5v and the gnd of the led. Now…
ZXSpin 0.61 Available nowHi all! Well, after a lengthy few testing cycles, I'm taking the plunge and uploading the latest version of ZXSpin, to replace the rather aged old 0…
... import binaries into the DivIDE EEPROM/RAM pages.
- Added ...divIDE woesHi y'all ! Last night I built my lovely divIDE ;-) I downloaded flasher and +divide.tap from [url]http://www.biehold.nl/rudy/+divide/index.htm[/url…
... ;-(
When flashing the EEPROM, it takes a good 20 ... happen? Could I have faulty eeprom, or GAL's (they're ...SAM Revival issue 20 out now! [SAM Coupe]Issue 20 of SAM Revival magazine was released at the end of February. [IMG]http://www.quazar.clara.net/qauctions/cgpsr20.jpg[/IMG] SAM Revival is t…
... include information on using the EEPROM that's onboard the Trinity ...Recently acquired divIDE 57cI recently got hold of a divIDE 57c (whilst waiting RWAPs divIDE plus to materialise...) I have installed the interface and powered up my zx spectr…
... is it worth changing the EEPROM and trying to flash some ...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.…
... hl ; writing to RAM3 and EEPROM
bit 6, h ; < ... of 8kB BIN image for eeprom
or h ;
... ; write byte to target adress(eeprom/ram3)
l_5cf4: ...DivIDE QuestionHi all, I've been trying to work out how the DivIDE works and after reading and re-reading the DivIDE programming model document by Zilog I think it…
... case it maps it's EEPROM in place of the standard ...The late running issue 23 of SAM Revival magazine is out now!The very late running issue 23 of SAM Revival magazine is out now! [img]http://www.quazar.clara.net/a40/sr23.jpg[/img] SAM Revival is the only new…
... into the Trinity's onboard EEPROM. The Developer Diary looks at ...FLASH EPROM programming on ZX SpectrumThis is photo of Winston's DIAGNOSTIC BOARD: [img]http://velesoft.speccy.cz/other/diagboard.jpg[/img] Schematic and flash utilities: [url]http://www…
... for other FLASH EPROM/PEROM/EEPROM to one universal FLASH UTILITY ... .tap[/url] (flasher for 8kB EEPROM on DIVIDE)
[url]http ...Some ROM/EPROM questions...I've got a ZX Spectrum +, a +2A and +3 computers, and I've been using +3e project ROMS for a while in my +3. I was thinking about using an EEPROM or…
... was thinking about using an EEPROM or Flash memory to store ... to upgrade. Is there any EEPROM or flash memory "pin compatible ... />
Also, there is any EEPROM or flash compatible with my ...DIVIDE with 512kB memory upgrade for saleI sell DIVIDE (original version 57c) with my memory upgrade to 512kB ram. [img]http://velesoft.speccy.cz/other/divide512-smallpic.jpg[/img] More in…
... contain only 512kB ram + 8kB eeprom(original eeprom chip).Various data sheets, any interest?Hi. I have in my possession data sheets (in pdf format) for various integrated circuits, among others those for the AY-3-8910,8912,8913 from General…
... for the 28C256 32Kx8bit Parallel EEPROM in case anyone would like ...Who will make more DivIDE's?Let's put some figures here: You can sell about 50 in one month (I did). Profit is about 20 GBP each. Do the maths yourself... That's 1000 GBP profi…
... the GAL22V10 chips and the EEPROM.
Such a programmer is ...The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... we are talking about adding EEPROM support (with the same chip ...Joystick interface for divIDEMy first prototype of joystick interface for DivIDE. Work as kempston joystick and must be connect to socked instead EEPROM chip. Final version will …
... be connect to socked instead EEPROM chip. Final version will support ...+3e Strange IssueHello there my fellow WoS'ers I am absolutely perplexed by the following problem, I am hoping that someone more enlightened than I can help [I](no…
... /> +3e ROM - 2x W27E257 ( WinBond EEPROM 32k*8 )
[/INDENT][/INDENT ...TESTROM3 - utility/rom for test your ZXHere is TESTROM3 utility as 16kB ROM file + flasher for install this rom to divide eeprom (or mapram mode). Work also on ZX Spectrum without ROM and …
... install this rom to divide eeprom (or mapram mode).
Work ... in mapram mode or to eeprom) and for ZX Spectrum as ... (on divide use only 8kB eeprom chip). Not need ZX ram ...grrrrrrr xboxI had a 128MB Xbox which I didnt mind using. Of course the kids wanted to go on it so i didnt mind and they used it more than me. One day I wanted t…
... />
I soon had an eeprom reader and got them all ...Designing a Modern 'Professional' low cost ZX Spectrum ??Hi, I'm looking at designing a low cost hight performance (20MHz) ZX Spectrum... in the mould of the original, but using modern-day components. The…
... Fast SRAM
64K Fast EEPROM
Altera MAX EPM7128SLC84 ( one ...Cheap electronic kits for hobbyists/Students etcAs prices start to get silly on ebay for electronic components like CPUs, Memory etc, I've sourced two suppliers from China that do me great deals. …
E2proM1E2proM1 is an utility to program 28C64 type E2PROM (EEPROM) using Multiface 1. The program and its documentation including source code can be found […
... to program 28C64 type E2PROM (EEPROM) using Multiface 1. The program ...PCB for romselector for toastrack/grey +2 giveawayHi guys. I've tried my hand at hardware design, and to my great surprise, my very first design worked as expected... :razz: I wanted to be able to …
... soldering skills.
A 256kb eeprom. My version uses an AMD ... am28f020-150.
An eeprom programmer to put something meaningful ... into the eeprom.
One 32 pin ... change the contents of the eeprom). I recommend a turned pin ...Spectrum Z80 UIDE Rev 3.1E - 8bit IDE AdapterHello my fellow WoSer's Recently I had some bad luck with my local post-office - this lead to some problems requiring me to have some more adapters…
... ][/code][I][B]*the w27E257 EEPROM's are freely programmed for ...Homebrew Microcomputer design...getting ICs and stuffFor anyone interest in homebrew microcomputer design or just making add-ons and electronics gizmo's..this might be of interest. Sourcing affordable …
... .
V6366 (plus EEPROM+DRAMs D41464 2pcs) used in ...