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TheCorfiot
14th June 2013, 20:21
Hello Chummies

Looking for a ULA or a busted up ZX81

Thanks
TC :)

rwap
4th July 2013, 22:48
The ULAs are very difficult to find and can be temperamental - especially if you have to desolder one!

There are also problems in that many of the early ZX81 ULAs lack the back porch latch - meaning that on modern / colour TVs you end up with black writing on a very dark image.

The answer is to look at the ZX-ULA2 from Andy Rea - this is a complete replacement, complete with back porch latch and composite video out - plus it has a turbo mode to make the ZX81 run a lot quicker!