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OPL EPOC R5 SDK

The Psion Series 5mx, Revo and Revo Plus, Series 7 and NetPad all use the EPOC R5 (Symbian OS v.5) operating system.

The OPL Software Development Kit (SDK) allows you to develop software for this operating system in Psion's own BASIC-like structured language OPL (Organiser Programming Language).

"OPL is a BASIC-like rapid application development (RAD) language, with historical roots in the Organiser II and Series 3 handheld computers from Psion PLC, available since the mid 1980s. OPL may be programmed directly on EPOC devices such as the Psion Series 5. For convenience, the OPL SDK supports PC-based development using the emulator and standard EPOC SDK tools.

OPL provides access to EPOC’s most commonly-used APIs. Other APIs may be accessed using OPL extensions (OPXs) written in C++. OPXs may also be used to implement optimised library functions for OPL programs. OPX development requires an EPOC C++ SDK."

(taken from the EPOC SDK Help file)

The Psion EPOC R5 SDKs are available from a limited number of sources: internet downloads, on CD-ROMs accompanying books or on a CD-ROM ordered from this website.

Download

www.psionteklogix.com/teknet/pdk/
netpad-pdk/epoc_downloads.htm

Requires to be logged into Psion Teklogix; registration is free.

Symbian OS V5 OPL SDK
Last change: V2.30 | 15/04/02
26.4 MB

CD-ROM

Order this SDK on a CD-ROM from the SDK CD-ROM page on this website.

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Installing the SDK

  1. The SDK will be downloaded as a zipped file (or files), so unzip it to a folder of choice, e.g. C:\PSION\EPOC

  2. When unzipped, install the program by running the file SETUP.EXE. The EPOC emulator will install to the default location, C:\EPOC32

  3. Read the readme.txt file. You may need to create a virtual drive to run the emulator. If you do you can add the following line to your AUTOEXEC.BAT file:

    C:\WINDOWS\COMMAND\subst F: C:\EPOC32

    (where F: is the name of the virtual drive, and C:\EPOC is the location of the Emulator. Alter these for your own computer setup).

    You can read about it here on the Symbian Tech Notes: Which drive should I install my Software Development Kit on?

  4. Tip: If you do not create a virtual drive you may find in My Computer that the default icon for Drive C has changed to the EPOC icon. In this case, you shall need to create a virtual drive to correct this.

    Drive F will now have the EPOC icon. You may find that if you double-click the F drive icon you are prompted to set-up Windows. To correct this right-click Drive F and select "Open" (or locate C:\EPOC32) and edit the file autorun.inf removing, or REMing the line OPEN=SETUP.EXE

  5. As this is simply the EPOC operating system running under Win32 you have no need for BAT files or rebooting to DOS. Simply choose which size screen you want to run and click the appropriate icon. The emulator will first open a DOS screen and then the main interface.

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