Re: BASIC for the CBM-II/8088

From: Spiro Trikaliotis <ml-cbmhackers_at_trikaliotis.net>
Date: Thu, 5 Jul 2018 22:08:24 +0200
Message-ID: <20180705200824.uqc6cryz7qgpblmh@hermes.local.trikaliotis.net>
Hello,

* On Thu, Jul 05, 2018 at 09:38:25PM +0200 Rhialto wrote:
> On Thu 05 Jul 2018 at 12:26:51 +0000, Baltissen, GJPAA (Ruud) wrote:
> > On the C64 a BASIC line can be spread over at least two lines. I still
> > haven't found out how the C64 knows that the current screen line is
> > part of a bigger BASIC line.
> 
> There is a table of 25 bytes, usually described as "screen line wrap (or
> link) table".

Perhaps, the most important part for Ruud is that BASIC does not know
about this at all. It is part of the KERNAL, more precisely, of the
editor.

Note, also, that the VIC20 can combine up to 4 lines. That's where the
limit 88 (= 4 * 22) for the maximum BASIC line length comes from.


Regards,
Spiro.

-- 
Spiro R. Trikaliotis
http://www.trikaliotis.net/
Received on 2018-07-05 23:00:05

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