A = token (A7 = 1 always)
Fc = 0
Registers changed after return:
This will write the "menu topic help" token if a local token table has not been established with OS_Wtb.
The screen drivers icons (MENU, ENTER...) and ISO characters ($80-$FF) are not handled by this call.
OS_Wtb, write token base
OS_Wts, write tokenized string