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C

One of the great things about the Psion computers is how easily they can be programmed.

This can be done on the Psion machine itself (using the built-in OPL editor) or by using a PC-based software development kit (SDK), software development environment (SDE) or Psion 'emulator'.

Disclaimer

This page offers no more than a point in the right direction in obtaining the right tools for the job. My own interest and experience is in OPL16 on SIBO machines.

I am no programming expert, just a keen amateur, but I hope to be able to point you in the right direction towards the information you need.

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SIBO C SDK from Psion

There is a C Software Development Kit available from Psion... somewhere. I have not been able to track this down.

C Programming chapter

Leigh Edwards includes a chapter on C Programming in his excellent book "Programming Psion Computers" (see books below). His advice is that "for application development in C the only realitisc option is to use the SIBO C SDK from Psion".

CPOC

"CPOC is a ANSI C development system for developing programs that can be used on the Psion 3a/3c. It is intended for use by those who do not want to spend the money required to obtain the Psion C SDK that is distributed by Psion. It is intended to provide a standard ANSI C environment and it does not give you access to all the facilities of the Psion EPOC operating system - if you want this we still recommend the Psion C SDK for this purpose."

Although CPOC always generates code for the Psion 3a/3c machines, it can actually run hosted on a variety of different operating systems: Psion 3a/3c, Windows 95/NT, and Linux.

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Quick Links

Psion.com -- Home Page

My Psion -- Official Support and Downloads

Symbian Developer Network -- Support and SDK Downloads