Re: Basic Applesoft BASIC question

[David McIntyre <davemci@ameritech.net>]

  Shhh..  I'm trying to forget my mistake. ;-)  There are a couple
calls to -868[fc9c]. 

Dave...

Pim Blokland wrote:
> 
> David McIntyre wrote:
> 
> > Thanks to the link you gave me I am able to tell that a poke to
> > -16368 is I/O address name SETALTCHAR.  I assume that turns on or off the
> > mouse/inverse character set
> 
> No, sorry. address -16368 or 49168 (add 65536!) is KBDSTR, the
> address that clears the keyboard.
> 
> The number of pokes the program you mention does, may create a
> machine language routine that does the scrolling. Is there a CALL
> involved? if so, you can go to the monitor with MTR and then look at
> the generated machine language with the command xxxL (where xxx is
> the hexadecimal representation of the CALL address). To return to
> Basic type ctrl-C or press reset.
> On the other hand, if the pokes you mention are to the zero page
> (addresses < 256) if may be that the text window is changed in order
> to do the scrolling. See Jon Bettencourt's zero page listing.
> 
> Oh, by the way, would it be possible to turn your HTML off?
> Personaly, I don't mind, but some newsreader programs show all those
> HTML tags in full, which isn't very nice to read.
> 
> --
> Groetjes, Pim
> 
> To send me e-mail, insert a t right before the dot.
> "Those were the years, when beer was beer..."