SR Program in PPC ROM MOD File

[rprosperi]

I recently installed the PPC ROM .MOD file from TOS into the go41cx emulator on Android (highly recommended btw) and along with the traditional PPC ROM contents, there is also a program, SR, which is full of synthetic instructions.

Bill Wickes green book taught me to never run synthetic programs without some idea of what arguments they expect and what they do, so rather than trash my setup I figured I would ask here as someone surely must know what it is and/or where docs may be found.

Thanks in advance.