Sinclair ZX80 / ZX81 / Z88 Forums

Hi there again! After some time not using the ZXBlaster unit, I found out that the expansion board doesn't work anymore. The ZX81 powers up normally without the board; besides, once the ZXBlast is plugged and the ZX81 powered on afterwards, the video screen appears to be blank (no "K" cursor at the ...

PokeMon wrote: ↑Wed Oct 20, 2021 5:21 pm A new version of ZXblast is planned during this (maybe cold) winter.
Winter is coming.

Thank you PokeMon, I will wait for the next release: I guess that to jump from v1.0 to v1.[1+] will require to rely on a shipment of a new batch of EEPROMs/CPLD. I will stay put, winter comes!

Hi. The firmware for ZXblast can be quite faulty. My ZXblast crashes often in the ZXblast menus trying to load. However. Erik Olofsen has made a version of the fast Big Bang ROM with support for ZXmore and ZXblast. I have saved this ROM in instance 1 of my ZXblast. Now LOAD and SAVE loads from ZXbl...

Yes - there might be problems with ZXblast. Hope to give a new version during this winter. Planned to revive the ZXblast. Thank you PokeMon, the ZXblast is a great project! We will talk about it during our next sinclair meetup at the end of this month, and showcase some homebrew software. Welcome, ...

Hi there, how are you? I'm one of those lucky users that bought a ZXBlast a couple of years ago ;) Since that time, I've been trying to figure out how I might upgrade the CPLD to the final version. Is there any way to do that without the need of a CPLD shipment? I've seen that the board has a USB Pr...

Hi there, how are you? I've been a ZXBlast-powered ZX81 owner for a while, and a ZX Spectrum+ user since 1984 ;) . During these days I'm trying to reach PokeMon for some questions about how the ZXBlast CPLD might be upgraded in place (I believe there's a JTAG socket in the board itself for that, tha...