W741L250 Datasheet, PDF (74/86 Pages) Winbond – 4-BIT MICROCONTROLLER

W741L250
Instruction Set Table 2, continued
MOVC WR, #I
Move look-up table ROM addressed by #I and ACC to WR
Machine code:
1 0 1 0 1 W3 W2 W1 W0 I6 I5 I4 I3 I2 I1 I0
Machine Cycle:
Operation:
2
WR ← [(I6 ~ I0) × 10H + (ACC)]
Description:
NOP
Machine Code:
Machine Cycle:
Operation:
ORL R, ACC
Machine Code:
The contents of the look-up table ROM location addressed by I6 to I0 and
the ACC are loaded to R.
No Operation
00000000
1
No Operation
OR R to ACC
00000000
00111010
0 R6 R5 R4 R3 R2 R1 R0
Machine Cycle:
Operation:
Description:
Flag Affected:
ORL WR , #I
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
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
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
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