SN8P2610 Datasheet, PDF (62/102 Pages) SONiX Technology Company – 8-Bit Micro-Controller

¾ Example: INT0 interrupt service routine.
ORG
JMP
INT_SERVICE:
8
INT_SERVICE
…
B0BTS1
JMP
FP00IRQ
EXIT_INT
EXIT_INT:
B0BCLR
…
…
…
FP00IRQ
RETI
SN8P2610 Series
8-Bit Micro-Controller
; Interrupt vector
; Push routine to save ACC and PFLAG to buffers.
; Check P00IRQ
; P00IRQ = 0, exit interrupt vector
; Reset P00IRQ
; INT0 interrupt service routine
; Pop routine to load ACC and PFLAG from buffers.
; Exit interrupt vector
SONiX TECHNOLOGY CO., LTD
Page 62
Version 1.3