[openbeos] Re: is system_time(); an expensive call?

François Revol wrote:
the video _memory_, not the VGA registers, which sometimes are also accessible in the same area as the framebuffer, but that really depends on the chipset. (like old S3 Trio couldn't use memory, whereas newer could, and even newer ones had a different (supposed to be-cleaner) register mapping in memory).

That's what I rather wanted to say. IO ports can be memory-mapped if the hardware utilizes that method.

Once again generally, on x86 the IO space is _not_ a memory space.

Yes

François.



Michael Noisternig


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