Assembly Language
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'.
DisclaimerThis 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. |
Assembly Language options
Leigh Edwards includes a short section on Assembly Language Programming in his excellent book "Programming Psion Computers". Apparently there is a TopSpeed assembler and linker supplied with the Psion SIBO C SDK professional edition. Edwards outlines a number of other options including the CPOC Assembler.
ByteMe
Andrew Lord has written a a program called ByteMe which allows you to embed 8086 assembler in OPL programs. It supports: Inline Assembly (Embed 8086 MNEMONICS within you OPL files. Then compile your assembler code and OPL in one operation.); All Addressing modes (All 8086 addressing modes are fully supported); Arithmetic Expressions (statements such as MOV AX,3-4 are supported); Macro Support (ByteMe 1.0 supports parameterised macros).
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