Date : Tue, 22 Jan 2013 22:11:22 +0000
From : jgh@... (J.G.Harston)
Subject: BBC BASIC 1 source
nicola giacobbe wrote:
> Thank you. I was always fascinated by the inner working of the BASIC
> interpreter. Hope to use it in a 6502 board of mine.
If you can have a clear I/O API it's simple enough to add the relevant
code to target a different platform, or I can give advice or do it for
you (though actually the BASIC 2 code is the better one to use as it has
various bugs fixed). Of course, the easiest API is just to implement the
minimum of the required BBC API at &FFC0-&FFF7
(http://mdfs.net/Software/BBCBasic/Porting/Summary). The bare minimum
you need is OSWRCH, OSRDCH, OSWORD 0, and OSBYTE &82-&84. ;)
--
J.G.Harston - jgh@... - mdfs.net