Modern Device Forum

I do wish I'd known about your improved library when I started my Allen organ project. In any case, I wound up working out the whole initialization sequence by myself - including the bit about tying DB3 to logic high - without having any of that stuff in the HD44180 data sheet that I had. http://dft...

I realize that I never posted last summer's fun project here, and considering that it uses two RBBB's, I figured that at least the Modern Device folk might be interested. Last spring, I went out and bought a nearly-40-year-old electronic church organ. It was enough of a period piece that its voicing...