Documentation of Module SYSTEM

General discussions about working with the Astrobe IDE and programming ARM Cortex-M3, M4 and M7 microcontrollers.

Documentation of Module SYSTEM

Postby Marc » Mon Oct 22, 2018 8:25 am


according the Cortex-M4 examples, the procedure SYSTEM.VMSR(0) is invoked, which seems to be an assembler equivalent for the unmapped FPSCR register.
Sadly this procedure is not documented somewhere , so I'm asking myself are there more undocumented instances like this ?

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Re: Documentation of Module SYSTEM

Postby cfbsoftware » Mon Oct 22, 2018 12:17 pm

Any features like this that you may discover are not documented because they are not supported for general use. Any that are used in the source code have only been tested for that specific purpose. Feel free to experiment to find out more but be aware that you use them elsewhere at your own risk.
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