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Anyone still use their Spectrum?I mean, with the quality of emulation available, does anyone still hook up the spectrum and load from tapes? I still have my Spectrum + and it's in p…
... test the new ZX-PC eprom.
Found some small ... -
Anyone still use their Spectrum?I mean, with the quality of emulation available, does anyone still hook up the spectrum and load from tapes? I still have my Spectrum + and it's in p…
Just tested the new EPROM-program for the ZX-PC Interface.
(so I used my ZX Spectrum once again)
Works like planned, now I can alter the PC software further -
Spectrum 48K ROMHi Can anybody help I have an Issue 6a Circuit Board which has a faulty ROM Chip. Is it possible to program a ROM Chip with the 48K ROM and fit it as…
... changing Spectrum ROM with an EPROM.
The article is ... -
Spectrum 48K ROMHi Can anybody help I have an Issue 6a Circuit Board which has a faulty ROM Chip. Is it possible to program a ROM Chip with the 48K ROM and fit it as…
... [/I] be replaced with an EPROM, making sure you toggle one ... changing Spectrum ROM with an EPROM.
The article is in ... to select between ROM and EPROM. I simply lifted one of ... the ROM/EPROM pins ( so they don't ... -
Faulty M1 linesI'm sure this has been discussed before, but using the forum search for the word 'M1' pulled back no hits, which surprised the hell out of me. Anywa…
... ( the one with a modded EPROM ), but does not work in ... -
It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …
... to burn programmable logic, except EPROM, FLASH and some PICs. Cannot ... -
ZX81 - 64mb queryI know this is a spectrum forum but hopefully someone out there may know the answer to my question. I buy and sell old sinclairs and have sold numer…
That looks like an 8kx8 EPROM. Are there any other ROMs on the board? It may just be a replacement of the original zx81 ROM. -
ZX81 - 64mb queryI know this is a spectrum forum but hopefully someone out there may know the answer to my question. I buy and sell old sinclairs and have sold numer…
... an 8K (8 x 8K) EPROM. The wiring is so the ... EPROM is compatible with the motherboard ... the ZX81 printed on the EPROM. -
ZX81 - 64mb queryI know this is a spectrum forum but hopefully someone out there may know the answer to my question. I buy and sell old sinclairs and have sold numer…
... the ZX81 printed on the EPROM.[/QUOTE]
Damn, funny ... bottom just to doublecheck the EPROM was 8kx8. zx81 on the ... -
ZX81 - 64mb queryI know this is a spectrum forum but hopefully someone out there may know the answer to my question. I buy and sell old sinclairs and have sold numer…
... modifications. The use of an EPROM suggests this may be the ... -
ZX81 - 64mb queryI know this is a spectrum forum but hopefully someone out there may know the answer to my question. I buy and sell old sinclairs and have sold numer…
... in question is an 8kx8 EPROM (note the black paint to ... -
NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …
... , including new software on the eprom. Since the interface has an ... eprom I can alter the NMI- ... -
NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …
... . It's only untested. The EPROM must be altered as well. -
NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …
... />
As said before, the Eprom is always paged in. When ... -
NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …
... possible to switch off the eprom and use a program that ... -
Spectrum 48K ROMHi Can anybody help I have an Issue 6a Circuit Board which has a faulty ROM Chip. Is it possible to program a ROM Chip with the 48K ROM and fit it as…
... />
How to build in EPROM instead ROM?
27128 ... have 2 control pins on EPROM (/CE and /OE), and 3 ... . ROMCS connect to CE of EPROM.
May use 74HCT32 for ... ROMCS directly to CE of EPROM.
Same stays for ... -
Spectrum 48K ROMHi Can anybody help I have an Issue 6a Circuit Board which has a faulty ROM Chip. Is it possible to program a ROM Chip with the 48K ROM and fit it as…
Many thanks Piters, I have a Willem Eprom Flasher on order so I will have a go at changing the ROM. -
EPROM Programmer?I'd like to pick an eprom programmer up for trying new roms with my +3 and my BBC Master (I need some extra roms to make it useable with my GoMMC any…
... ://www.willem.org"]Willem[/URL] EPROM programmer v4.1. I burned ... a PLCC-32 FLASH EPROM BIOS and saved a laptop ... to burn a Spectrum-able EPROM, tho).
The programmer ... -
EPROM Programmer?I'd like to pick an eprom programmer up for trying new roms with my +3 and my BBC Master (I need some extra roms to make it useable with my GoMMC any…
... volume product such as an EPROM programmer, you potentially have to ... needing a microcontroller on the EPROM programmer. However, it'll be ... they start showing up on EPROM programmers, after all, no ... really crying out for USB EPROM programmers - and it still ... -
EPROM Programmer?I'd like to pick an eprom programmer up for trying new roms with my +3 and my BBC Master (I need some extra roms to make it useable with my GoMMC any…
... wondered about when looking for EPROM programmers on ebay... a large ... -
EPROM Programmer?I'd like to pick an eprom programmer up for trying new roms with my +3 and my BBC Master (I need some extra roms to make it useable with my GoMMC any…
... wondered about when looking for EPROM programmers on ebay... a large ... takes place. They really like EPROM burners for tampering with those ... -
RGB OutputWas there ever a device available for the 48 that had a RGB output ? As an alternative , what about using a pc monitor (iirc these have seperate syn…
... /> No need for GAL or EPROM programmer! :D -
RGB OutputWas there ever a device available for the 48 that had a RGB output ? As an alternative , what about using a pc monitor (iirc these have seperate syn…
Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…
... just burn it to an EPROM and shove it in a ...ULA chipHi. Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ? Also looking for one 7805 heatsink... Thank
... . Indeed, if you have an Eprom programmer, I'd have even ...ULA chipHi. Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ? Also looking for one 7805 heatsink... Thank
... . Indeed, if you have an Eprom programmer, I'd have even ...ULA chipHi. Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ? Also looking for one 7805 heatsink... Thank
... : To burn the ROM (either EPROM, FLASH or OTP-ROMs) you ...ULA chipHi. Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ? Also looking for one 7805 heatsink... Thank
... : To burn the ROM (either EPROM, FLASH or OTP-ROMs) you ...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 …
> Could this behaviour be caused from a partially damaged eprom?
I don't think so...
> Can i drop in a speccy rom and change the solder pads to "R" (rom)?
Yes, you can
