сегодня мне ответил Michael Follin, о котором я рассказывал во 2 м номере.

I've had a look at the #3 issue and google translated some of it. I don't think about spectrums much nowadays, but just this week I woke up and realized how stupid I'd been!
So many times writing a glyph to screen I did this:
LD A,(DE)
LD (HL),A
INC DE
INC H
when I could have saved time by doing INC E instead of INC DE
I was so stupid !

так что у программистов оптимизация программы происходит даже во сне))