W741E20X Datasheet, PDF (70/84 Pages) Winbond – 4-BIT FLASH MICROCONTROLLER

Preliminary W741E20X
Instruction Set Table 2, continued
ORLR R, ACC
OR R to ACC
Machine Code:
00111011
0 R6 R5 R4 R3 R2 R1 R0
Machine Cycle:
1
Operation:
Description:
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.
Flag Affected:
ZF
ORLR WR , #I
OR immediate data to WR
Machine Code:
00111111
I3 I2 I1 I0 W3 W2 W1 W0
Machine Cycle:
1
Operation:
Description:
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.
Flag Affected:
ZF
RLC
R
Rotate Left R with CF
Machine Code:
Machine Cycle:
01001100
1
1 R6 R5 R4 R3 R2 R1 R0
Operation:
Description:
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.
Flag Affected:
CF & ZF
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