Hi. I'm from Perm/Russia, with speccy from 1990.
I am interested in hardware (repair of old and development of new).
Also im author of some demos and vdos emu in zxevo.
I have +2, +2A, 48+, +3, zxevo and some xUSSR clones (profi, kay, pentagon etc).
Search found 3 matches
- Sat Nov 27, 2021 5:24 am
- Forum: Announcements
- Topic: Introduce yourself!
- Replies: 684
- Views: 189966
- Sat Nov 20, 2021 8:37 am
- Forum: Hardware
- Topic: ZX Spectrum +2A/B problem
- Replies: 1
- Views: 242
Re: ZX Spectrum +2A/B problem
I found the differences on this link https://zxnet.co.uk/spectrum/amstradmods/
Fixed it, and demos works ok.
This mod delays the signal a little cpu clock
Fixed it, and demos works ok.
This mod delays the signal a little cpu clock
- Sat Nov 20, 2021 5:54 am
- Forum: Hardware
- Topic: ZX Spectrum +2A/B problem
- Replies: 1
- Views: 242
ZX Spectrum +2A/B problem
Hi. I have ZX Spectrum +2A with ULA marked 40077 8815KK board Z70833 issue 1 and ZX Spectrum +2B with ULA marked 40077 8911KD board Z70833 issue 2 Problem is that some progs (demos) doesn't work on 2A but good working on 2B. I researched it came to the conclusion that the problem is in the register ...