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Groups > comp.sys.acorn.programmer > #6425

Re: MIDI modules

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In message <06ab23635a.harriet@bazleyfamily.co.uk>
          Harriet Bazley <harriet@bazleyfamily.co.uk> wrote:

> I've just been sent an experimental MIDI module 0.18 (04 Jan 2023). In
> !System.Modules.310 I already have files called MIDI (MIDI 0.06 (03 Feb
> 2019)) and MIDI314 (MIDI 3.14 (18 Apr 2017)).  The latter is the earliest
> module, but it is the only one getting used by the system because the high
> version number is overriding the alternative MIDI modules even if I run
> them explicitly.
> 
> Should I be deleting it out of !Boot?

If I understand the situation correctly, there are MIDI modules out
there that do different things.  First there was the old serial MIDI
module, though you're unlikely to find that nowadays, and with a date
of this year, it's certainly not that.  Secondly, there's the USB MIDI
module that Rick Murray originated, and I made some timing improvements
to.  This drives instruments with USB MIDI interfaces.  Thirdly, the
one that's just popped up recently is a MIDI synth module, which accepts
the same commands as the earlier two, but generates sound directly. It
looks to me like this might be one you've got.

The point is that they are all called MIDI, and provide the same SWIs,
for compatibility reasons, but have different aims.  You may need any
of the more recent ones, depending on what you're wanting to do at any
given moment.

David

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MIDI modules Harriet Bazley <harriet@bazleyfamily.co.uk> - 2023-01-07 18:03 +0000
  Re: MIDI modules David Higton <dave@davehigton.me.uk> - 2023-01-07 20:25 +0000
    Re: MIDI modules Harriet Bazley <harriet@bazleyfamily.co.uk> - 2023-01-07 21:27 +0000
      Re: MIDI modules Jean-Michel <jmc.bruck@orange.fr> - 2023-01-09 12:52 +0100
        Re: MIDI modules Harriet Bazley <harriet@bazleyfamily.co.uk> - 2023-01-09 16:08 +0000

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