[sdcc-devel] [ sdcc-Feature Requests-1597794 ] Implement &bit for 8051

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Feature Requests item #1597794, was opened at 2006-11-16 16:26
Message generated for change (Settings changed) made by spth
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>Category: mcs51(8051) target
Group: None
Status: Open
Priority: 5
Private: No
Submitted By: pfeuh (pfeuh)
Assigned to: Nobody/Anonymous (nobody)
Summary: Implement &bit for 8051

Initial Comment:
It's not actually possible to know the address (or number) of a bit with SDCC for 8051 family. When it will be implemented, it will be possible to write a function which can get or set a bit 'samplebit' by his address &samplebit

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Comment By: Maarten Brock (maartenbrock)
Date: 2006-11-16 23:05

Message:
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See also this thread on the forum:
https://sourceforge.net/forum/forum.php?thread_id=1607537&forum_id=1864

I'm willing to implement this as it is possible and it could be useful to
get the address of a bit variable.

In the future we might even implement a pointer to bool and use a support
routine in the library to dereference it like the OP does. Maybe not
because it's such a good idea to use but because it should be possible
according to the standard.

I would like some opinions esp. from the developers on this one.

Maarten

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