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@@ -11,7 +11,7 @@ The cassette loading input logic has been eenhanced to give perfect cassette loa
The ULA replacement logic is perfect enough to enable the use of games which use various enhanced highres graphics techniques to work flawlessly.
In fact the ZX81+38 clone is easy to build, and a joy to use.
Warning: The revision 1.4 version of my ZX-81+38 contains some errors, and will NOT work as is. The main reason being that the WAIT generator flip/flop idea doesn't work, and must be replaced with a working wait circuit. I have at the moment I wrote this already designed a revision 1.5 version where all known errors are repaired. I will upload new schematic and BOM soon.
Warning: The revision 1.4 version of my ZX-81+38 contains some errors, and will NOT work as is. The main reason being that the WAIT generator flip/flop idea doesn't work, and must be replaced with a working wait circuit. As revision 1.4 is not working, and has now been replaced by revision 1,5, I have deleted revision 1,4
ZX81+38rev1,5.zip contains all gerber and drill files for the working updated and layout checked files to produce a revision 1,5 version PCB.