> #define DELAY400NS { pio_inbyte( CB_ASTAT ); pio_inbyte( CB_ASTAT ); \
> pio_inbyte( CB_ASTAT ); pio_inbyte( CB_ASTAT ); }
>
>
Totally unrelated. Hal is using the cycle time of the four I/O reads to
do the 400nS delay. Its a neat way to do the delay on boxes without
modern CPUs and nice timing features and perhaps one we should use on
those boxes but its not relevant to the question of how you post an MMIO
command write.
Alan
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