Fujitsu MB90335 Series Hardware Manual page 127

CHAPTER 3 INTERRUPT
3.11 Program Example of Interrupt Processing
;----------Interrupt Program------------------------------------------------------------
ED_INT1:
CODE
;----------Vector Settings------------------------------------------------------------------
VECT
VECT
●
Processing specification for program example of extended intelligent I/O service (EI
1. The extended intelligent I/O service (EI
inputs to the INT0 pin.
2. When "H" level is input to INT0 pin, EI
"3000
3. The number of transfer data bytes is 100. After the 100 bytes have been transferred, an interrupt is
generated because of completion of EI
106
NOP
BRA LOOP
MOV I:EIRR, #00H
NOP
NOP
NOP
NOP
NOP
NOP
RETI
ENDS
CSEG ABS=0FFH
ORG 0FFB4H
DSL ED_INT1
ORG 0FFDCH
DSL START
DB 00H
ENDS
END START
".
H
FUJITSU MICROELECTRONICS LIMITED
; Unconditional jump
; New acceptance of INT0 prohibited
; Returns from interrupt.
; The vector is set in interruption #18(12
; Reset vector setting
; Single-chip mode setting
2
OS) is started upon detection of the "H" level signal which
2
OS is started, which transfers data at port 0 to memory address
2
OS data transfer.
MB90335 Series
)
H
2
OS)
CM44-10137-6E