I was looking into doing ARM or RISC-V but didn't want to get distracted from finishing the series with one architecture first. But here I am, series unfinished

I was looking into doing ARM or RISC-V but didn't want to get distracted from finishing the series with one architecture first. But here I am, series unfinished anyway... And I assume you are talking about writing vs compiling a Lisp series? They were written at two different points in my life, and they implement two different languages at this point.