function return int1?

Micronet666 · Joined: 28 Aug 2019 Posts: 5

hi
I have a function that returns an int1 (boolean value).

But when I bring the mouse pointer over the name of the function I see that it shows me that an int8 returns, then that doubt arises, a function can return a Boolean value?
thanks
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Programmer Microcontroller

PCM programmer · Joined: 06 Sep 2003 Posts: 21708

There is no 1-bit memory space in the PIC. The smallest addressable
unit in the PIC's RAM memory space is a byte.

temtronic · Posted: Sat Sep 07, 2019 6:54 pm

YES a function can return a boolean( zero or one ), several CCS builtin functions do that and I just made my own 'function' test.
While the function returns a boolean, it is STORED in a byte, the smallest RAM location for a PIC. Therefore you can have 8 booleans in a byte. The compiler simply 'assigns' a bit of a byte for you.