Sets the PDA Random number seed KPG1_PSEED
The process id is included because the "
time"
system call (implemented by PSX_TIME) returns the
time in seconds. On modern machines it is possible for an application to be called several times each
second, resulting in the same seed being used each time if the seed is based only on the
time.
Alternatively, a fixed seed can be used by assigning the seed value to environment variable STAR_SEED.