W741C260 Datasheet, PDF (80/92 Pages) Winbond – 4-BIT MICROCONTROLLER

W741C260
Instruction Set Table 2, continued
ORL R, ACC
OR R to ACC
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
ORL WR , #I
00111010
0 R6 R5 R4 R3 R2 R1 R0
1
ACC ← (R) ∧ (ACC)
The contents of the data memory location addressed by R6 to R0 and the
ACC are ORed and the result is loaded into the ACC.
ZF
OR immediate data to WR
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
ORLR R, ACC
00111110
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
ORed and the result is loaded into the ACC.
ZF
OR R to ACC
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
00111011
0 R6 R5 R4 R3 R2 R1 R0
1
ACC, R ← (R) ∧ (ACC)
The contents of the data memory location addressed by R6 to R0 and the
ACC are ORed and the result is placed in the data memory and the ACC.
ZF
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