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Article #23334

Re: The compatibility story (Falcon & A1200)

#23334
From: Paul Steffen
Date: Tue, 12 Jan 1993 08:10
43 lines
2771 bytes
In article <1993Jan11.120754@cs.bham.ac.uk> dxo@cs.bham.ac.uk (David Oakley) writes:
>Re my statement and 24/100...
>
>There is a boot up option on the A1200 which disables the extra chips (eg AA etc)
>and so this apparently increases compatibility dramatically. One of the Amiga
>magazines got a 40% compatability with old games and 90% for games < 1yr old.
>
>I'll still get a Falcon, but we need to get correct info on the opposition if we
>want to beat them!
 
There is no way to disable the new AA [AGA] functions in the 1200.  Software
that changes the wrong bit in the bitplane control registers can still cause
problems.  It's ironic, though, that Commodore threatens never to release
another hardware manual, though.  They want people to program "cleanly" but
this be counterproductive.  

The Falcon is a nice machine and I intend to get one, whether or not Atari
is around at the time.  I know a considerable amount about the standard
ST and standard Amiga hardware and if the 1200 is 2 steps forward for the
Amiga 500, then the Falcon is 10 steps for the Atari 520ST.  There is a 
clear advantage that the Falcon has the DSP as standard hardware in that
the DSP is a fully programmable processor in itself, fully capable of
running it's own software like the 68030, but being able to do many things
much faster than the 68030 ever could.  It is hard to say at this point,
but I would assume that one could find several applications in which the
Falcon would perform 3 or 4 times faster than the A1200.
 
Paul Steffen
aka.  STratoHAK/TPPi [intending to get both machines!]

>
>David.
>
>     +--------------------------------------------------+
>     |  David Oakley,   ASTRAsoft shareware producers.  |\
>     |  Internet: dxo@cs.bham.ac.uk                     | |
>     |  RealMail: 6 Watlands Rd. Bignall End, S-O-T     | |
>     |            Staffs ST7 8QQ, England.              | |
>     +--------------------------------------------------+ |
>      \__________________________________________________\|
>Kryten : 'Pub: ah, yes, a meeting place where people attempt to
>          reach advanced states of mental incompetence by the
>          repeated consumption of fermented vegtable drinks.'
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From: psteffn@hal.gnu.ai.mit.edu (Paul Steffen)
Newsgroups: comp.sys.atari.st
Subject: Re: The compatibility story (Falcon & A1200)
Date: 12 Jan 1993 08:10:09 GMT
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References: <1993Jan10.110720.14311@umiami.ir.miami.edu> <1993Jan10.171538.26344@news.uit.no> <1993Jan11.120754@cs.bham.ac.uk>
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