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Re: [avr-gcc-list] inline assembler problem
From: |
Joerg Wunsch |
Subject: |
Re: [avr-gcc-list] inline assembler problem |
Date: |
Mon, 26 Jan 2004 12:08:50 +0100 (MET) |
Ewout Boks <address@hidden> wrote:
> 7.4.1 GCC asm Statement
> Let's start with a simple example of reading a value from port D:
>
> asm("in %0, %1" : "=r" (value) : "I" (PORTD) : );
>
>
> When I attempt to do this, I first get a complaint from avr-gcc saying
> that :
This stopped working when Marek changed the IO macros so it's now
possible to use the `direct assignment' form in C. There's an open
bug report for it in the bug database, but so far, nobody rewrote that
part of the inline asm cookbook.
--
J"org Wunsch Unix support engineer
address@hidden http://www.interface-systems.de/~j/