Hi,   I thought I'd drop a few lines on an MBSID build into a C64 datasette using one nanosid (i.e. swinSID). I had leftover parts from my "main" MBSID build; I had originally planned to build four cores, but I couldn't fit them all into the C64 case that I used. So I had all the parts lying around except for an LCD, which I now decided to get, and put the parts to good use.     I had two SID module boards from Mike, but in order to save space I decided to etch my own "double SID PCB" (an