[fpc-devel] FPC and Windows Phone 8

Michael Schnell mschnell at lumino.de
Tue Mar 11 09:42:25 CET 2014

On 03/11/2014 03:10 AM, Vsevolod Alekseyev wrote:
>   I've tried several assembly sequences that would branch and switch
> mode; they all would cause an exception.
Supposedly the interrupt code of the OS does not save and restore the 
"running in Thumb mode" flag. So you are out of luck with non-Thumb code.

This is obviously a shortcoming due to the arrogance of the creator of 
the OS, thoughtlessly castrating the high-performance feature of the 

This strictly recommends not to use this OS.


More information about the fpc-devel mailing list