BBC Acorn

From: pete_at_dunnington.u-net.com <(pete_at_dunnington.u-net.com)>
Date: Fri Dec 13 19:59:00 2002

On Dec 14, 0:37, Tony Duell wrote:

> > upset if people wrote "Disk" instead of "Disc"). As far as Acorn were
> > concerned, BASIC (even BBC BASIC) is "just another language".
>
> IIRC, BASIC is a somewhat odd language that doesn't implement one of the
> 'standard' entry points. But it is a language ROM.

Indeed, it has zeros in the service entry point which wouldn't be legal for
an ordinary language ROM, except that it is treated as a special case by
certain Acorn firmware, and that missing service entry is used in the first
stage of recognising which ROM is BASIC. It's unique in that regard.

-- 
Pete						Peter Turnbull
						Network Manager
						University of York
Received on Fri Dec 13 2002 - 19:59:00 GMT

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