SN8F2280 Series
USB 2.0 Full-Speed 8-Bit Micro-Controller
¾
Example: Store ACC and PAFLG data by PUSH, POP instructions when interrupt service routine
executed.
ORG
JMP
0
START
ORG
JMP
8
INT_SERVICE
ORG
…
10H
START:
INT_SERVICE:
PUSH
…
; Save ACC and PFLAG to buffers.
…
POP
; Load ACC and PFLAG from buffers.
RETI
…
; Exit interrupt service vector
ENDP
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