Hello.
I'm trying to get the max out of ST9720 LCD module. It needs some custom commands to be sent, and I'm using LCDOUT for that. But what and how exactly this statement does? Manual shows only common use, without going into internals. Like just send $FE,$80 to set cursor at beginning of the 2nd line and so on.

So here are questions.

What is $FE for LCDOUT and why it is mandatory? (I tried removing it and sending next statement without it - it does not works) This is 1111 1110 in BIN, and I can understand that it might be used for display initialization, but as most display manuals say, for initialization you have to send 0000 0001. This means, this statement works in reverse? If it is not for initialization, then why LCDOUT $FE, $1 does the same?

Does this statement allows control of RW/E lines? (This is required for display module config), or we have to do it manually) If yes, then how?