Fujitsu F2MC-8L Series Hardware Manual page 243

CHAPTER 8 8-BIT SERIAL I/O
CLRB
MOV
MOV
MOV
SETB
SETI
:
;-----Interrupt processing routine----------------------------------------------------------------------------------------------------------------------
WARI CLRB
PUSHW
XCHW
PUSHW
MOV
SETB
:
User processing
:
POPW
XCHW
POPW
RETI
ENDS
;----------------------------------------------------------------------------------------------------------------------------------------------------------------
END
216
SST
ILR2,#11111101B
SDR,#55H
SMR,#01111000B
SST
SIOF
A
A,T
A
SDR,#55H
SST
A
A,T
A
; Stop serial I/O transfer.
; Set interrupt level (level 1).
; Set transfer data (55H).
; Clear interrupt request flag, enable interrupt request output,
enable shift clock output (SCK), enable serial data output (SO),
select 32 tinst, LSB first.
; Start serial I/O transfer.
; Enable interrupts.
; Clear interrupt request flag.
; Save A and T.
; Reset transfer data (55H).
; Start serial I/O transfer.
; Restore A and T.