绗洓绔?/p>
6
棰?/p>
璇曠紪涓�鏁版嵁鍧楁惉杩佺▼搴忋�?/p>
灏嗗閮?/p>
RAM 2000H
锝?/p>
204FH
鍗曞厓涓殑鏁帮紝
绉诲叆鍐呴儴
RAM
30H
锝?/p>
7FH
鍗曞厓涓�?/p>
ORG
0000H
MOV
R0,
#50H
MOV
R1,
#30H
MOV
DPTR,
#2000H
LP1:
MOVX
A,
@DPTR
MOV
@R1,
A
INC
R1
INC
DPTR
DJNZ
R0,
LP1
END
7.
鍦ㄥ唴閮?/p>
RAM
鐨?/p>
BLOCK
寮�濮嬬殑鍗曞厓涓湁涓�鏃犵鍙锋暟鎹潡锛屾暟鎹潡闀垮害瀛樺叆
LEN
鍗曞厓锛?/p>
璇曠紪绋嬫眰鍏朵腑鐨勬渶灏忔暟锛屽苟瀛樺叆
MINI
鍗曞厓銆?/p>
MOV
R0,
BLOCK
;
鍙栬捣濮嬪湴鍧�
MOV
R1,
LEN
;
鍙栨暟鎹潡闀垮害
MOV
A,
@R0
START:
CLR
CY
SUBB
A,
@R0
JC
EX
XCH
A,
@R0
EX:
INC
R0
DJNZ
R1,
START
MOV
MINI,
A
14
锛庤鍙橀噺
X
瀛樺叆
V
AR
鍗曞厓锛屽嚱鏁?/p>
F
瀛樺叆
FUNC
鍗曞厓锛岃瘯缂栫▼鎸変笅寮忚姹傜粰
F
璧嬪�硷細
F=1
鑻?/p>
X>20
锛?/p>
F=0
锛岃嫢
20
鈮?/p>
X
鈮?/p>
10
锛?/p>
F=-1
锛岃嫢
X<10
CLR
CY
MOV
A,
V
AR
SUBB
A,
#10
JC
U1
;
灏忎簬
10
锛岃烦杞?/p>
MOV
A,
V
AR
SUBB
A,
#21
JC
U2
锛?/p>
灏忎簬
21
锛堝皬浜庣瓑浜?/p>
20
锛?/p>
MOV
FUNC,
#1
SJMP
U3
U1:
MOV
FUNC,
#(-1) (
鎴栬�?/p>
-1
鐨勮ˉ鐮?/p>
#0XFF)
SJMP
U3
U2:
MOV
FUNC,
#0
U3:
鈥︹�?/p>