When I was helping the development of OS13k [1] I found that the ported JS version of xorshift32 was incorrect (right shift was sign-extended instead of zero-ex

When I was helping the development of OS13k [1] I found that the ported JS version of xorshift32 was incorrect (right shift was sign-extended instead of zero-extended). I had to run TestU01 to ensure that it's not noticably made worse (and thankfully it didn't). [1] https://github.com/KilledByAPixel/OS13k/ https://github.com/KilledByAPixel/OS13k/