INT 21 - DoubleDOS - SET TIMESHARING PRIORITY AH = E9h AL = new priority (see #02089) Return: AL = priority setting if AL=05h on entry Note: identical to AH=F9h SeeAlso: AH=EAh"DoubleDOS",AH=EBh"DoubleDOS",AH=F9h"DoubleDOS" (Table 02089) Values for DoubleDOS timesharing priority: 00h visible program gets 70%, invisible gets 30% (default) 01h visible program gets 50%, invisible gets 50% 02h visible program gets 30%, invisible gets 70% 03h Top program gets 70%, bottom program gets 30% 04h Top program gets 30%, bottom program gets 70% 05h get current priority