Generates a new seed for the random numbers generator
Implemented by: dartmouth4, ansimin, ansifull, decbasic, TI994, msatari, spectrum, GWBASIC, MSX, bwbasic, bw32, ABasiC, QBasic, VBDOS, FreeBASIC, Gambas, ugBASIC, EndBASIC
With variations: Sinclair X* (RANDOMISE)
Also written as: