question for Mathias Grob,regarding pcm42 mod

["juan darkness" <manecobazar@hotmail.com>]

hi,i hope you remember me,i'm maneco from uruguay,
i have two questions regarding your primitive loop delay,based in pcm42 
and 
counters,registers...
i've read the program code in your site..did you do all of that just with 
logic?
in that case,do you used presetable counters or adders for calculating the 
read and write address...
are the math operations needed for calculating tempo bars possible with 
these aproach?
Thank you very much
Um abraÇo
maneco

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