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高速微控制器用户指南
指令码
D
6
D
5
D
4
D
3
D
2
D
1
0
0
0
1
a
9
a
8
a
6
a
5
a
8
a
3
a
2
a
1
助记符
ACALL地址
11
D
7
a
10
a
7
D
0
1
a
0
(十六进制)
1个字节
2字节
字节
2
周期
3
LCALL地址
16
程序分支
0
a
15
a
7
0
a
14
a
6
0
a
13
a
5
1
a
12
a
5
0
a
11
a
3
0
a
10
a
2
1
a
9
a
1
0
a
8
a
0
12
2字节
BYTE 3
3
4
RET
0
0
1
0
0
0
1
0
22
1
4
RETI
0
0
1
1
0
0
1
0
32
1
4
AJMP地址
11
LJMP地址
16
SJMP REL
JMP @A +
DPTR
JZ REL
a
10
a
7
0
a
15
a
7
1
r
7
0
1
r
7
1
r
7
a
9
a
6
0
a
14
a
6
0
r
6
1
0
r
6
0
r
6
a
8
a
5
0
a
13
a
5
0
r
5
1
0
r
5
0
r
5
0
a
4
0
a
12
a
4
0
r
4
1
0
r
4
0
r
4
0
a
3
0
a
11
a
3
0
r
3
0
0
r
3
0
r
3
0
a
2
0
a
10
a
2
0
r
2
0
0
r
2
0
r
2
0
a
1
1
a
9
a
1
0
r
1
1
0
r
1
0
r
1
1
a
0
0
a
8
a
0
0
r
0
1
0
r
0
0
r
0
1个字节
2字节
02
2字节
BYTE 3
80
2字节
73
60
2字节
70
2字节
2
3
3
4
解释
(PC) = (PC )+ 2个
(SP) = (SP )+1
( (SP) )=(个人电脑
7-0
)
(SP) = (SP )+1
( (SP) )=(个人电脑
15-8
)
( PC) =网页地址
(PC) = (PC )+3
(SP) = (SP )+1
( (SP) )=(个人电脑
7-0
)
(SP) = (SP )+1
( (SP) )=(个人电脑
15-8
)
(PC) =地址
15-0
(PC
15-8
)=( (SP) )
(SP) = (SP) - 1
(PC
7-0
)=( (SP) )
(SP) = (SP) - 1
(PC
15-8
)=( (SP) )
(SP) = (SP) - 1
(PC
7-0
)=( (SP) )
(SP) = (SP) - 1
(PC) = (PC )+ 2个
(PC
10-0
) =网页地址
(PC) = addr15-0
2
1
2
3
3
3
(PC) = (PC )+ 2个
(PC) = (PC) +相对
(PC ) = ( A) + ( DPTR )
(PC) = (PC )+ 2个
如果(A)= 0,则
(PC) = (PC) +相对
(PC) = (PC )+ 2个
如果( A)
?
0,则
(PC) = (PC) +相对
JNZ REL
2
3
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