參數(shù)資料
型號： W741E200
英文描述： 4-Bit Microcontroller
中文描述： 4位微控制器
文件頁數(shù)： 77/84頁
文件大?。?/td> 344K
代理商： W741E200
Preliminary W741E20X
Publication Release Date: March 1998
- 77 -
Revision A1
Instruction Set Table 2, continued
SUBR WR, #I
Subtract immediate data from WR
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
XRL R, ACC
0
0
0
1
1
1
1
1
I3
I2
I1
I0
W3 W2 W1 W0
1
ACC, WR
←
(WR) - I
The immediate data I are binary subtracted from the contents of the WR
and the result is placed in the ACC and the WR.
CF & ZF
Exclusive OR R to ACC
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
XRL WR, #I
0
0
1
1
1
0
0
0
0
R6
R5
R4
R3
R2
R1
R0
1
ACC
←
(R) EX (ACC)
The contents of the data memory location addressed by R6 to R0 and the
ACC are exclusive-ORed and the result is loaded into the ACC.
ZF
Exclusive OR immediate data to WR
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
0
0
1
1
1
1
0
0
I3
I2
I1
I0
W3 W2 W1 W0
1
ACC
←
(WR) EX I
The contents of the Working Register (WR) and the immediate data I are
exclusive-ORed and the result is loaded into the ACC.
ZF
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