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Hello Grand Gra> What kind of scheme is this? Is it possible to attach it? Instead of the DD42 and DD1F microcircuits (according to the scorpion circuit), the signal is generated by the D48.4 chip, D42.4, D42.3 (according to the KAY-1024 scheme), and the following signals are Scorpio correspond to kay-1024: KC/ - KC/, CC/ - CG/, H4 - H5. File: kay1024.zip http://zx.pk.ru/attachment.php?attachmentid=2114

Hello, Jukov Expansion scheme up to 1MB and connection of shadow ROM from ZX-Review94/6. Scheme expansion to 128K was already on the forum in the topic “I can’t finish 128K”. The rest There are improvements in ZX-Review 91-93 on the website http://trd.speccy.cz/ File: Desktop.part2.rar http://zx.pk.ru/attachment.php?attachmentid=2821 File: Desktop.part1.rar http://zx.pk.ru/attachment.php?attachmentid=2820