Specifications

GENERAL PROGRAMMING MANUAL
ii
3 Enhanced Sound Output........................................................................................................3-1
Introduction.....................................................................................................................3-1
Sound on the Series 3 ......................................................................................................3-1
Introduction..............................................................................................................3-1
The sndfrc and snddvr device drivers........................................................................3-1
Installing sndfrc.ldd..................................................................................................3-1
Opening a channel to MUS:......................................................................................3-2
Actually creating sounds...........................................................................................3-2
Example ...................................................................................................................3-3
Possible tones ...........................................................................................................3-3
Pauses.......................................................................................................................3-3
When to open and close MUS:..................................................................................3-3
When to install and de-install the ldd file..................................................................3-4
Sound on the Series 3a.....................................................................................................3-4
4 Use of Spy.app........................................................................................................................4-1
Introduction.....................................................................................................................4-1
Building spy.app.......................................................................................................4-1
The main display.............................................................................................................4-1
Heap statistics...........................................................................................................4-2
Stack statistics..........................................................................................................4-2
Segment statistics .....................................................................................................4-2
Tests for heap integrity.............................................................................................4-2
Process priorities.......................................................................................................4-2
Other data.................................................................................................................4-3
Logging Window Server statistics.............................................................................4-3
Appendix A Technical Specifications .........................................................................................A-1
Psion Series 3a Technical Specification ...........................................................................A-1
Psion Series 3/3s specification .........................................................................................A-2
Psion Series 3c Technical Specification ...........................................................................A-3
Psion Siena Technical Specification.................................................................................A-4
Psion Siena SSD Drive Technical Specification...............................................................A-5
Psion Serial 3Link Technical Specification......................................................................A-5
PC Serial 3Link to Apple Macintosh converter .........................................................A-7
PC Serial 3Link to Apple Macintosh converter .........................................................A-7
Modem Adaptor cable...............................................................................................A-7
Serial Printer cable (Series 3a) - Technical Specification .................................................A-7
Serial Printer cable (Series 3c/Siena) - Technical Specification........................................A-8
Psion PC Link cable Technical Specification ...................................................................A-8
Modem Adaptor cable...............................................................................................A-8
Psion Mac link cable Technical Specification ..................................................................A-8
Psion 9-to-25 way D-type adapters Technical Specification..............................................A-9
Modem 9-to-25 way D-type adapter - wiring diagram......................................................A-9
PC (XT) 9-to-25 way D-type adapter - wiring diagram ....................................................A-9
Printer 9-to-25 way D-type adapter - wiring diagram.......................................................A-10
Psion Parallel 3Link Technical Specification ...................................................................A-10
Psion Parallel Printer Link Cable Technical Specification................................................A-10
Psion PC Card Modem Adapter Technical Specification..................................................A-11
Psion Travel Modem Technical Specification ..................................................................A-13
Psion 3Fax Modem Technical Specification.....................................................................A-14
Appendix B Differences Between Psion Series 3 Models..........................................................B-1
Current models in the Series 3 family..............................................................................B-2
Superceded models in the Series 3 family........................................................................B-3