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Article View: comp.sys.psion
Article #1

Work In Progress

#1
From: Nick Macro
Date: Wed, 03 Apr 1996 05:07
142 lines
6002 bytes
My psion 3a's microphone is broken.  How  an I fix it?   

While I  am   in the  case,  is  there a  modification  that Psion can
recommend that gives me  headphone  out and  microphone in, as  I feel
that the Psion 3a rather lacks these.

Pulling .wve's off a  remote PC does  not work real time,  and a 4 min
techno track as a .wve takes up the whole Psion 3a!  A mod file player
would be nicer, but I  am stuck at the  moment on getting 4 tracks  of
amiga sample audio through one channel.   Its not impossible.  I would
do   some  work   on    wavmod (the    mod  stands    for   modify not
Sound/Pro/Tracker    module which is very    nice,  but samples is not
enough,  expecially as  I have   broken the  microphone and so  cannot
sample. Idiot I am with a sharp instrument.

What is needed is an analog synth with digital filters.  I am going to
look into porting sapphire<sp> to the  Psion 3a from Unix. This renders
a digital filter pipeline into a .wav.

I have been doing lots of FFT frequency plots on 'mxv' on linux of all
my favourite acidcore tracks. I think the noise I like, the 303 noise,
gives the following time/frequency plot:


             f/Khz

       0       3       6    Event/Sequence/cubase
       +---------------+
      0|      \=\      |    ---- portamento up noise
       |       \=\     |
      1|        |=|    |    ---- end portamento
t/s    |        |=|    |
      2|       /=/     |    ---- portamento down noise
       |      /=/      |
      3+---------------+

Any ideas/clues for a hopeless acidcore fiend?

Kids love Psion 3a's. The keyboards are just perfect size!

I have  been copying each Psion 3a  2M file system incarnation into my
home   directory.   Anyone interested   in having  these   on the  net
somewhere  as a sort of online  running 'Nick's Psion cache directory'
sort of thing. So far I have:

Sound development: 

  Piano   - Cheesy beepy piano thing
  musipoc - Cheesy two voice melody thing
  wvemod  - Sample editor, like Protracker on Amiga or mxv on Linux
            Very very nice.
  lots of fun samples
  sapphire - When compiled up with smallc, hardcore non-realtime
             digital signal processing and synthesis.


Sound Potential:

  bab.wve - 1.7MB of babdobelin.mod from aminet mods techn, wicked,
            loud and digital all the way down to the Psion 3a speaker


Kiddies games (keeps them quiet!):  Only beaten by gamelan.
  bunnies - Clone of original ZX Spectrum Platform & levels
  tank    - 3d tank duel, seriously good 3d like elite
  stigma  - quite state of the art arcade game
  tron    - two player, amazing fun


Program development (just dreaming)

  Small C - Nice.
  revtrans - to reverse engineer others OPL and rip bits out
  docs - from Psionics, system calls
  assembler
  disassebler
  Small C decompiler - using j2c from java as template.
  macro processors
  shells
  window managers
  tighter RPC - IPC - TCP/IP - NFS - device binding with Linux Box/Internet
  Entire GNU/Linux command set and window managers


My current theory is that the 2M of Psion RAM  is just the local cache
of all the packages I have on the Linux box, and hence the Internet.

RCOM is very very nice the way  you can access  ALL Psion drives on PC
and, best of  all, all PC  drives from the  Psion using REM::  .  That
wasn't expained very  well.  Now what I  want  is to be  able to reach
whole Linux     file  system  from  Psion.   Then   I  can    NFS link
sunsite.doc.ic.ac.uk to the Linux box, and hence to the Psion, and get
files off the Internet into the Psion FROM THE PSION something like:


REM::/mnt/sunsite/pub/psion/devel/* 

or

cp /mnt/sunsite/pub/psion/devel/* /psion/mnt/LOC::M


Wow, that would be sexy. Getting closer to Java all the time.

Anyway, any  sign  of the  TCP/IP stack?  Unix  compatible C compiler?
Terminal program? Modfile player?

Insidentaly,   the    reason freeVT sucks is     that  is doesn't have
Xmodem/Ymodem support.  Upon reading   the manual in Psionics  it says
that Xmodem/Ymodem is  built into the  EPOC  OS  as  layers on a  device
driver, so it shouldn't take much to get it working. Sort it out, eh?


Why has nobody given me a copy of the SDK yet, warez  style?  Go on, I
can't afford to buy it, not on 35 pounds a week Giro  (the Psion was a
gift) and the newsgroup is full of people just  begging those with the
compiler to  'O please compile up something  you powerful  rich people
with the means   of production.' You  might even   get some java/Psion
crossover ported stuff.

Come on Psion INC/PLC/Mega Corp, you are inhibiting the development of
the  Psion with your  petty profiteering.  I will get  a copy of the C
compiler one off someone else, anyway, but  it would be a nice gesture
on your part.  ? How many copies have you  sold? Give it and info away
for free or  Linux / GNU / Sun  / Java  / The-Whole-Damn-Internet will
laugh and leave you behind, despite the best efforts of all these nice
folks.

Do you even read  your  own newsgroup?

Yours Nick Macro




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From: kimble@mistral.co.uk (Nick Macro)
Newsgroups: comp.sys.psion,alt.music.techno,alt.music.hardcore,comp.sys.amiga.audio
Subject: Work In Progress
Date: 3 Apr 1996 06:07:24 +0100
Organization: None whatsoever.
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