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參數資料
型號: W741L250
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT MICROCONTROLLER
中文描述: 4-BIT, MROM, 1 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 20 MM, QFP-64
文件頁數: 82/86頁
文件大小: 478K
代理商: W741L250
W741L250
- 82 -
Instruction Set Table 2, continued
SUBR WR , #I
Subtract immediate data from WR
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
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
XRL R, ACC
Exclusive OR R to ACC
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
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
XRL WR, #I
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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