W741L250 Datasheet, PDF (45/86 Pages) Winbond – 4-BIT MICROCONTROLLER

W741L250
Instruction Set Table 2, continued
ADU WR, #I
Add immediate data to WR and Carry Flag unchanged
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
ADUR R, ACC
Machine Code:
00101100
I3 I2 I1 I0 W3 W2 W1 W0
1
ACC ← (WR) + I
The contents of the Working Register (WR) and the immediate data I are
binary added and the result is loaded into the ACC.
ZF
Add R to ACC and Carry Flag unchanged
00101001
0 R6 R5 R4 R3 R2 R1 R0
Machine Cycle:
Operation:
Description:
Flag Affected:
ADUR WR, #I
Machine Code:
1
ACC, R ← (R) + (ACC)
The contents of the data memory location addressed by R6 to R0 and ACC
are binary added and the result is placed in the ACC and the data memory.
ZF
Add immediate data to WR and Carry Flag unchanged
00101101
I3 I2 I1 I0 W3 W2 W1 W0
Machine Cycle:
Operation:
Description:
Flag Affected:
1
ACC, WR ← (WR) + I
The contents of the Working Register (WR) and the immediate data I are
binary added and the result is placed in the WR and the ACC.
ZF
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Publication Release Date: March 1998
Revision A2