Re: [avr-gcc-list] How to (efficeiently !!!) test a bit within a multi-byte integer ?

[Alex Wenger]

Him

Vincent Trouilliez schrieb:
> Thank you very much Ian, your code is highly efficient, and does work
> perfectly, unlike && or &.  :o) I am in heaven :
> 
>               temp = (address >> 16) & 0xFF;
>     28bc:     ca 01           movw    r24, r20
>     28be:     aa 27           eor     r26, r26
>     28c0:     bb 27           eor     r27, r27
>               if (temp & 0x04)
>     28c2:     82 ff           sbrs    r24, 2
>     28c4:     02 c0           rjmp    .+4             ; 0x28ca
> 
> can't get any better than that really :o)))

if you make temp unsigned char, it should be even better.

-Blueloop