[fpc-devel] FPC micro controller
Jonas Maebe
jonas.maebe at elis.ugent.be
Wed Jul 29 19:41:51 CEST 2009
On 29 Jul 2009, at 18:47, Daniƫl Mantione wrote:
> Op Wed, 29 Jul 2009, schreef Desmond Coertzen:
>
>> This is my first question / suggestion: With byte sized variables
>> being the
>> smallest accessible variable in the PC architecture, will we see a
>> language
>> extension to provide bit accessible variables for the micro
>> controllers?
>
> Do you mean bitpacking?
>
> type nibbles=bitpacked record
> low_nibble=0..15;
> high_nibble=0..15;
> end;
This is not usable for accessing particular bits of microcontroller
registers, because the internal format of a bitpacked record is
undefined and can change at any time for any reason.
Jonas
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