Mitsubishi DS907x SIP User Manual page 162

USER'S GUIDE
ORL
MOV
SJMP
;
HEX_OUT:
MOV
OUT_LP:
SWAP
PUSH
ANL
CJNE
JC
ADD
HEX_OK:
ADD
LCALL
POP
DJNZ
RET
;
TEXT_OUT:
PUSH
WT1:
CLR
MOVC
INC
JZ
LCALL
SJMP
WT2:
POP
RET
;
CHAR_IN:
JNB
MOV
CLR
RET
;
CHAR_OUT:
JNB
MOV
CLR
RET
;
RBYTE:
PUSH
ORL
MOVX
DEC
POP
RET
;
WBYTE:
PUSH
ORL
MOVX
DEC
050396 161/173
A, B
B, A
HEX_LP
B, #2
A
ACC
A, #0FH
A, #10, $+3
HEX_OK
A, #7
A, #30H
CHAR_OUT
ACC
B, OUT_LP
ACC
A
A, @A+DPTR
DPTR
WT2
CHAR_OUT
WT1
ACC
RI, CHAR_IN
A, SBUF
RI
TI, CHAR_OUT
SBUF, A
TI
MCON
MCON, #4
A, @R0
R0
MCON
MCON
MCON, #4
@R0, A
R0
; Save MCON register.
; Switch to PES.
; Read the register.
; Decrement the pointer.
; Restore MCON register.
; Return.
; Save MCON register.
; Switch to PES.
; Read the register.
; Decrement the pointer.
162