ST20C2 Datasheet, PDF (191/212 Pages) STMicroelectronics – Instruction Set Reference Manual

timeslice
timeslice
timeslice
Code: 60 F3
Description: Cause a timeslice, putting the current process on the back of the
scheduling list and executing the next process. If the scheduling list is empty then this
instruction acts as a no-operation.
Definition:
if (scheduling list empty)
no effect
else
{
Put current process on back of list
Start next process
}
Areg′ ← undefined
Breg′ ← undefined
Creg′ ← undefined
Error signals: Can cause a timeslice trap to be signalled.
Comments:
Secondary instruction.
This instruction works at high and low priorities.
This instruction is unaffected by disabling timeslice.
Instruction is a descheduling point.
191/212
®