Do you care that your PS4 is backward compatible with an abacus? I find it handy that different iterations of abacuses tend to be cross-compatible. There may o

Do you care that your PS4 is backward compatible with an abacus? I find it handy that different iterations of abacuses tend to be cross-compatible. There may occasionally be minor architectural variations, but it usually isn't too difficult to port your abacus drivers.