Цитата Сообщение от VELESOFT Посмотреть сообщение
After NMI will disconnect ZX memory and CPU adress will writed to new extra memory.
To use PROFI INTERFACE need to change the scheme ZX Spectrum?

---------- Post added at 19:50 ---------- Previous post was at 19:48 ----------

Цитата Сообщение от VELESOFT Посмотреть сообщение
In 8bit mode: after OUT #7FFD,#10 will writed to adress #FD (accept only low 8bit adress) value #10. After connect this extra memory is possible read last writed values from identical adress.
And what about the #FE?