OPL32
One of the great things about the Psion computers is how easily they can be programmed, either on the Psion machine itself (OPL) or by using a PC-based software development kit (SDK).
This page covers programming on the EPOC / Symbian machines (Revo, Revo Plus, Series 5, Series 5mx, Series 7, NetBook and NetPad).
Software Development Kit
While you can also develop applications in OPL on the Psion palmtop itself, the EPOC R5 OPL Software Development Kit (SDK) provides a convenient way of developing applications on a Windows PC.
It contains all the tools and information that you need to develop applications for your EPOC device in OPL.
Download (or order on CD-ROM) the OPL SDK.
DisclaimerThis page offers no more than a point in the right direction in obtaining the right tools for the job. Up until now my experience has been programming SIBO machines in OPL16. With my new Series 5mx I am exploring programming this EPOC machine. 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. |
Programming
in OPL32
Organiser Programming Language
I currently only program in OPL (OPL16 and OPL32).
OPL is a BASIC-like language which is fairly simple to learn. It is a structured language, not object-oriented.
One advantage of programming in OPL is that you can take your programming with you, on your Psion machine; you are not tied to developing on a PC.
OPL Manual downloads
The OPL Manual is available for free download in a number of formats (all downloads are zipped):
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SIBO Data .DBF | (253 Kb) |  |
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EPOC R5 Help application | (196 Kb) | |
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Windows Help | (198 Kb) | |
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MS Word .DOC | (665 Kb) | |
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ASCII Text | (182 Kb) | |
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HTML | (117 Kb) | |
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PDF !! RECOMMENDED !! | (1,820 Kb) | |
OPL Manual in PDF
The OPL Manual from Psion is also available in PDF format arranged by chapter. This version is dated 1997 and covers programming the Siena, Series 3 and Series 5 machines, though no doubt much will also apply to the Workabout, Revo, Series 7 and NetPad.
View: You will require Adobe Acrobat, or
Acrobat
Reader (which is free) installed in order to view these files in
your browser, and indeed on your computer!
Download: The whole manual can be downloaded as one zipped file (see above).
Clicking each link, below, will open the file in your browser if you have an Acrobat plug-in.
To simply download each chapter, right-click a link below and select "Save Target As..." to download them without opening them in your browser.
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ch 1: introduction | (47 Kb) |
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ch 2: basics | (216 Kb) |
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ch 3: database | (114 Kb) |
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ch 4: gui | (278 Kb) |
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ch 5: disks | (38 Kb) |
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ch 6: programs | (77 Kb) |
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ch 7: errors | (84 Kb) |
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ch 8: advanced | (351 Kb) |
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ch 9: glossary | (493 Kb) |
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appendices | (203 Kb) |
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series 5 opx | (255 Kb) |
OPL Manual on-line
The OPL Manual is no longer available on-line (in HTML format).
OPL Tutorials - OPL16 and OPL32
- Steve Litchfield on his 3-Lib
site has a very good beginners guide to writing programs in OPL (both
OPL16 and OPL32).
Check out his OPL tutorials here.
He also includes a good section on tips for the distribution of software.
- Jochen's OPL
Programmers Workshop.
- Andrew Lord has a good OPL
Programming section.
- RMR Software have made RMREvent
available for free download. RMREvent is a fully-working demonstration
for an event-driven application. It provides all the tools you need,
inside a demonstration framework program, to start programmimg in
OPL.
- RMR Software have also made available their Resource Code Generator for free download. "The principle behind this program is to be a 'shell' from which all the separate actions can be carried out to produce different language versions of a program. One useful by-product is that, provided the program is written correctly, RMRRCG can also usable by non-developers to produce international versions without any help from the original developer except the provision of the English definition file."
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