Date : Mon, 10 Nov 2003 09:45:57 +0100
From : "Thomas Harte " <thomasharte@...>
Subject: Re: UEF
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MakeUEF, which is to be superceeded in the very near future, should be able
to read input straight from your
soundcard (although on some operating systems it doesn't seem to be very
consistent in terms of line in or
microphone in according to user feedback) or from a .wav, .voc, .au or, ummm,
whatever I believed the Apple
Macintosh standard to be at the time.
If you're really feeling adventurous you might even grab the (ageing) beta
9 of my Electron emulator, ElectrEm,
which is able to read tapes from the soundcard and simultaneously create
a UEF of them. If your program
doesn't work on an Electron, then you could just do a *CAT or something -
the data written to the UEF is all the
data recognised by the tape circuitry so that would be fine.
With respect to the supercession comment, MakeUEF is limited in that it uses
a quite simple data recognition
algorithm which is only capable of recognising 'normal' tape data (the sort
the BBC/Electron operating system
can save and load for you), and in producing output UEFs it rationalises
this information into what it considers
to be the standard form, with default high tone lengths and baud rate.
Fraser Ross' upcoming MakeUEF replacement has a much more accurate data recognition
algorithm and doesn't
do any internal rationalisation of data. However, it adds a few new chunks
and affects some older (but never
used) ones, e.g. implementing a floating point measure of baud rate. Therefore
it pushes the minor version
number up by one and some software may refuse to accept the new look files.
-Thomas
Size DOES matter - Lycos Email gives you 10MB storage
mail.lycos.co.uk
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From: "Thomas Harte " <thomasharte@...>
To: <majordomo@...>
Message-ID: <1068211906029309@...>
X-Mailer: LycosMail
X-Originating-IP: [212.137.19.134]
Mime-Version: 1.0
Subject: Re: [BBC-Micro] UEF
Date: Fri, 07 Nov 2003 14:31:46 +0100
--=_NextPart_Lycos_0293091068211906_ID
MakeUEF, which is to be superceeded in the very near future, should be able
to read input straight from your
soundcard (although on some operating systems it doesn't seem to be very
consistent in terms of line in or
microphone in according to user feedback) or from a .wav, .voc, .au or, ummm,
whatever I believed the Apple
Macintosh standard to be at the time.
If you're really feeling adventurous you might even grab the (ageing) beta
9 of my Electron emulator, ElectrEm,
which is able to read tapes from the soundcard and simultaneously create
a UEF of them. If your program
doesn't work on an Electron, then you could just do a *CAT or something -
the data written to the UEF is all the
data recognised by the tape circuitry so that would be fine.
With respect to the supercession comment, MakeUEF is limited in that it uses
a quite simple data recognition
algorithm which is only capable of recognising 'normal' tape data (the sort
the BBC/Electron operating system
can save and load for you), and in producing output UEFs it rationalises
this information into what it considers
to be the standard form, with default high tone lengths and baud rate.
Fraser Ross' upcoming MakeUEF replacement has a much more accurate data recognition
algorithm and doesn't
do any internal rationalisation of data. However, it adds a few new chunks
and affects some older (but never
used) ones, e.g. implementing a floating point measure of baud rate. Therefore
it pushes the minor version
number up by one and some software may refuse to accept the new look files.
-Thomas
Size DOES matter - Lycos Email gives you 10MB storage
mail.lycos.co.uk
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