[linux-audio-dev] things to port to the gp2x ..
S.W.Harris at ecs.soton.ac.uk
Wed Jan 11 08:53:25 EST 2006
On Wed, Jan 11, 2006 at 01:38:45PM +0100, Alfons Adriaensen wrote:
> > Writing DSP code for integer platforms is extremly tedious,
> Having done a lot of it (fixed point, on ARM), I'd disagree. But It is
> certainly different. If you want good fixed point performance, you have
> to write some of the inner loops in assembly. Not that this is a problem
> - ARM assembly is a pure pleasure compared to Intel. And there a lots of
> little computation that can be expressed more easily in assembler than
> in C/C++.
I agree about ARM assembly, I have written some (not DSP related) many
years ago and it was quite straightforward.
Does this ARM chip have real fixedpoint hardware, or do you have to do bit
manipulations to get the numbers?
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