Xiaofan Chen wrote:

> On 10/19/07, Walter Banks <walter@bytecraft.com> wrote:
>>> FWIW, all the HiTech libraries come with sources. Most of it is C, with
>>> some optimized assembly interspersed.
>> 
>> Byte Craft MPC supplies sources for all of its libraries. Our libraries
>> are written entirely in C. If we had to resort to assembler it would
>> mean there something amiss in the compiler :) 
> 
> That is a very interesting remark. As far as I know, most MCU C
> compilers all have kind of startup code and some libraries function
> written in assembly or inline assembly code. 
> 
> Example: MPLAB C18, MPLAB C30, AVR-GCC, IAR for ARM, Keil C51.

For example, HiTech supplies a NOP() macro, which is implemented as
embedded assembly. I wouldn't know how to do that in standard C.

Gerhard

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