W741E20X Datasheet, PDF (69/84 Pages) Winbond – 4-BIT FLASH MICROCONTROLLER

Preliminary W741E20X
Instruction Set Table 2, continued
MOVC R
Move look-up table ROM addressed by TABL and TABH to R
Machine code:
Machine Cycle:
Operation:
Description:
1 0 0 1 10 0 1
0 R6 R5 R4 R3 R2 R1 R0
2
WR ← [(TABH) × 10H + (TABL)]
The contents of the look-up table ROM location addressed by TABH and
TABL are loaded to R.
NOP
No Operation
Machine Code:
Machine Cycle:
Operation:
ORL R, ACC
00000000
1
No Operation
OR R to ACC
00000000
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:
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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Publication Release Date: March 1998
Revision A1