參數(shù)資料
型號： W741C250
英文描述： 4-Bit Microcontroller
中文描述： 4位微控制器
文件頁數(shù)： 77/88頁
文件大?。?/td> 449K
代理商： W741C250
W741C250
Publication Release Date: March 1998
- 77 -
Revision A4
Instruction Set Table 2, continued
ORLR WR , #I
OR immediate data to WR
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
0
0
1
1
1
1
1
1
I3
I2
I1
I0
W3 W2 W1 W0
1
ACC, WR
←
(WR)
∧
I
The contents of the Working Register (WR) and the immediate data I are
ORed and the result is placed in the WR and the ACC.
ZF
RLC R
Rotate Left R with CF
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
0
1
0
0
1
1
0
0
1
R6
R5
R4
R3
R2
R1
R0
1
ACC.n, R.n
←
R.n-1; ACC.0, R.0
←
CF; CF
←
R.3
The contents of the ACC and the data memory location addressed by R6 to
R0 are rotated left one bit, bit 3 is rotated into CF, and CF rotated into bit 0
(LSB). The same contents are loaded into the ACC.
CF & ZF
RRC R
Rotate Right R with CF
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
0
1
0
0
1
1
0
1
1
R6
R5
R4
R3
R2
R1
R0
1
ACC.n, R.n
←
R.n+1; ACC.3, R.3
←
CF; CF
←
R.0
The contents of the ACC and the data memory location addressed by R6 to
R0 are rotated right one bit, bit 0 is rotated into CF, and CF is rotated into
bit 3 (MSB). The same contents are loaded into the ACC.
CF & ZF
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