mupen64plus-plugin-rsp-z64 from home:derselbst project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:derselbst/openSUSE_Tumbleweed/home:derselbst.repo zypper refresh zypper install mupen64plus-plugin-rsp-z64