Date   : Tue, 17 Jan 2006 00:27:30 +0000
From   : jgh@... (Jonathan Graham Harston)
Subject: Re: Basic IV ROM Routines

info@... wrote:
> Header details
>  http://www.sprow.co.uk/bbc/library/sidewrom.pdf
> 
> In MOS 3.50 ROMs could declare a relocation bitmap (somehow, no docs that
> I know of) so that the MOS fixed up any absolute addresses as the image
 
See http://mdfs.net/Software/Tube/M128 for the relocator, typed up
from my MOS 3.50 System User Guide just in case!
 
> >   The only thing I can find is the OS 1.2 (BBC B) OS Dissassembly, which
> > may have some PLOT stuff in it, but I don't know if it does circles
> > (maybe only the Master OS does circles?!).
> 
> Yes, you need the GXR to do circles on a beeb using the circle PLOT code,
 
You could use the Circle library at
http://mdfs.net/System/Library/BLib/Graphic
 
-- 
J.G.Harston - jgh@...                - mdfs.net/User/JGH
Sheffield Boundary Review at http://mdfs.net/User/JGH/Docs/Politics/ParlReview