參數(shù)資料
型號(hào): M34571G4
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
中文描述: 單芯片4位微機(jī)的CMOS
文件頁數(shù): 72/126頁
文件大?。?/td> 1627K
代理商: M34571G4
Rev.1.02
REJ03B0179-0102
May 25, 2007
Page 72 of 124
4571 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
B a
(Branch to address a)
Instruc-
tion
code
0
1
D
9
D
0
Number of
words
Number of
cycles
Flag CY
Skip condition
1 a
6
a
5
a
4
a
3
a
2
a
1
a
0
2
1
8
+a
a16
1
1
-
-
Opera-
tion:
(PC
L
)
a
6
to a
0
Grouping:
Description: Branch within a page : Branches to address a in the identi-
cal page.
Note:
Specify the branch address within the page including this
instruction.
Branch operation
BL p,a
(Branch Long to address a in page p)
Instruc-
tion
code
0
0
1
1
1 p
4
p
3
p
2
p
1
p
0
2
D
9
D
0
Number of
words
Number of
cycles
Flag CY
Skip condition
0
E
+p
p16
2
2
-
-
1 p
6
p
5
a
6
a
5
a
4
a
3
a
2
a
1
a
0
2
2
a
a 16 Grouping:
Description: Branch out of a page : Branches to address a in page p.
Note:
M34571G4 : p = 0 to 31
M34571G6 : p = 0 to 47
M34571GD : p = 0 to 127
Branch operation
Opera-
tion:
(PC
H
)
p
(PC
L
)
a
6
to a
0
BLA p
(Branch Long to address (D)+(A) in page p)
Instruc-
tion
code
0
0
0
0
0
1
D
9
D
0
0 2
Number of
words
Number of
cycles
Flag CY
Skip condition
0
0
0
0
1
0 16
2
2
-
-
1 p
6
p
5
p
4
0
0 p
3
p
2
p
1
p
0
2
2
p
p 16 Grouping:
Description: Branch out of a page : Branches to address (DR
2
DR
1
DR
0
A
3
A
2
A
1
A
0
)
2
specified by registers D and A in page p.
Note:
M34571G4 : p = 0 to 31
M34571G6 : p = 0 to 47
M34571GD : p = 0 to 127
Branch operation
Opera-
tion:
(PC
H
)
p
(PC
L
)
(DR
2
R
0
, A
3
A
0
)
BM a
(Branch and Mark to address a in page 2)
Instruc-
tion
code
0
1
0 a
6
a
5
a
4
a
3
a
2
a
1
a
0
2
D
9
D
0
Number of
words
Number of
cycles
Flag CY
Skip condition
1
a
a 16
1
1
-
-
Opera-
tion:
(SP)
(SP) + 1
(SK(SP))
(PC)
(PC
H
)
2
(PC
L
)
a
6
a
0
Grouping:
Description: Call the subroutine in page 2 : Calls the subroutine at
address a in page 2.
Note:
Subroutine extending from page 2 to another page can
also be called with the BM instruction when it starts on
page 2.
Be careful not to over the stack because the maximum
level of subroutine nesting is 8.
Subroutine call operation
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