參數(shù)資料
型號: 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): 71/126頁
文件大?。?/td> 1627K
代理商: M34571G4
Rev.1.02
REJ03B0179-0102
May 25, 2007
Page 71 of 124
4571 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET)
A n
(Add n and accumulator)
Instruc-
tion
code
0
0
D
9
D
0
n 2
Number of
words
Number of
cycles
Flag CY
Skip condition
0
1
1
0
n
n
n
0
6
n 16
1
1
-
Overflow = 0
Opera-
tion:
(A)
(A) + n
n = 0 to 15
Grouping:
Description: Adds the value n in the immediate field to register A, and
stores a result in register A.
The contents of carry flag CY remains unchanged.
Skips the next instruction when there is no overflow as the
result of operation.
Executes the next instruction when there is overflow as the
result of operation.
Arithmetic operation
AM
(Add accumulator and Memory)
Instruc-
tion
code
0
0
0
D
9
D
0
0 2
Number of
words
Number of
cycles
Flag CY
Skip condition
0
0
0
1
0
1
0
0
A 16
1
1
-
-
Opera-
tion:
(A)
(A){(M(DP))
Grouping:
Description: Adds the contents of M(DP) to register A.
Stores the result in register A. The contents of carry flag
CY remains unchanged.
Arithmetic operation
AMC
(Add accumulator, Memory and Carry)
Instruc-
tion
code
0
0
0
0
0
D
9
D
0
1 2
Number of
words
Number of
cycles
Flag CY
Skip condition
0
1
0
1
0
0
B 16
1
1
0/1
-
Opera-
tion:
(A)
(A) + (M(DP)) + (CY)
(CY)
Carry
Grouping:
Description: Adds the contents of M(DP) and carry flag CY to register
A. Stores the result in register A and carry flag CY.
Arithmetic operation
AND
(logical AND between accumulator and memory)
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
1
0
0
0
1
8 16
1
1
-
-
Opera-
tion:
(A)
(A) AND (M(DP))
Grouping:
Description: Takes the AND operation between the contents of register
A and the contents of M(DP), and stores the result in regis-
ter A.
Arithmetic operation
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