[sdiy] top octave gneration

[Brock Russell]

Just happen to have the 9 bit top octave divide list on my desk.
(2 MHz typical input)
Equal tempered scale; a few Just scales from Vanessa Else (Polyphony May 84)
C (hi)  239             210     360     630     24
B       253             224     384     672     26
A#      268             240     400     720     27
A       284             252     432     756     28
G#      301             270     450     810     30
G       319             280     480     840     32
F#      338             330     512     900     33
F       358             315     540     945     36
E       379             336     576     1008    39
D#      402             360     600     1080    40
D       426             378     640     1120    42
C#      451             405     675     1225    44
C (lo)  478             420     720     1260    48

>I used a divider chain and a diode matrix for a mono synth. It was published
>in Electronotes as a TTL Digisyntone, issue #13. I think Burhans Digisyntone
>used RTL.
>
>My original circuit used eight flip-flops which is a marginal match to the
>tempered scale. Nine flip-flops provides a dramatically closer match to the
>tempered scale. I'll try to find a divide by list for nine then post it
>here.
>
>John