Thank you for the info!. Is it safe to say that ALTLCD can be used for whatever I need to use it for, within a basic program?
Best, George On Fri, Feb 10, 2023 at 10:58 PM Stephen Adolph <[email protected]> wrote: > > https://bitchin100.com/wiki/index.php?title=VT100#Comments_about_VT100_Terminal_support_for_Model_100 > > Have a read at the bottom. You want to lock line 8. > Hope that helps. > > Altlcd starts at FCC0 hex and is 320 characters long. > > The lcd buffer keeps track of characters only. You need to call the > printing routines to actually modify the screen. > > Cheers > Steve > > > On Friday, February 10, 2023, [email protected] <[email protected]> > wrote: > >> Hi all, >> >> I've got a few questions for you all. >> >> 1. Is there any way to disable the LABEL button in a BASIC program? I >> have found that if you press it during my game (Text Sweeper), it will >> shift the entire minefield up by one row and print the Function Key defs. >> Of course this renders the game into a pretty much irrecoverable state at >> the moment. I don't store the graphical representation of the board >> anywhere, so to recover from this is a bit of a pain, although doable. >> However, if I can avoid this scenario entirely, that'd be great. >> >> 2. I read at one point there is a location in memory reserved for storing >> the LCD character contents in memory when switching to TELCOM. Where is >> this, and can I use that range of memory for the same purpose in my case (I >> kind of want to add an instructions screen you can flip back and forth >> between) >> >> 3. Does writing to video RAM locations cause the LCD to update directly? >> Or is there a print subroutine that basically needs to be called? >> >> Best, >> George >> >
