參數(shù)資料
型號: HT47C20
廠商: Holtek Semiconductor Inc.
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 48/56頁
文件大?。?/td> 352K
代理商: HT47C20
RLC [m]
Rotate data memory left through carry
Description
Thecontentsofthespecifieddatamemoryandthecarryflagaretogether
rotated left one bit. Bit 7 replaces the carry bit; the original carry flag is
rotated into the bit 0 position.
Operation
[m].(i+1)
[m].0
C
[m].i; [m].i:bit i of the data memory (i=0-6)
C
[m].7
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
RLCA [m]
Rotate left through carry and place result in accumulator
Description
Data in the specified data memory and the carry flag are together ro-
tated left one bit. Bit 7 replaces the carry bit and the original carry flag is
rotatedintobit0position.Therotatedresultisstoredintheaccumulator
but the contents of the data memory remain unchanged.
Operation
ACC.(i+1)
ACC.0
C
[m].i; [m].i:bit i of the data memory (i=0-6)
C
[m].7
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
RR [m]
Rotate data memory right
Description
The contents of the specified data memory are rotated right one bit with
bit 0 rotated to bit 7.
Operation
[m].i
[m].7
[m].(i+1); [m].i:bit i of the data memory (i=0-6)
[m].0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
HT47C20
48
January 18, 2000
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