HMCS404AC------------------------------------------------------------------------
No
Yes
PC<-$ 0002
PC<-$ 0004
PC<-$ 0006
PC<-$ 0008
PC<-$ OOOC
Fig.8 Interrupt Servicing Flowchart
312
I/E<-"O"
Stack<-(PC)
Stack<-(CA)
Stack<-(ST)
No
(SERIAL Interrupt)