W741L250 Datasheet, PDF (77/86 Pages) Winbond – 4-BIT MICROCONTROLLER

W741L250
Instruction Set Table 2, continued
SBC WR, #I
Subtract immediate data from WR with Borrow
Machine Code:
00001110
I3 I2 I1 I0 W3 W2 W1 W0
Machine Cycle:
Operation:
Description:
Flag Affected:
SBCR R, ACC
Machine Code:
1
ACC ← (WR) - I - (CF)
The immediate data I and CF are binary subtracted from the contents of
the WR and the result is loaded into the ACC.
CF & ZF
Subtract ACC from R with Borrow
0 0001011
0 R6 R5 R4 R3 R2 R1 R0
Machine Cycle:
Operation:
Description:
Flag Affected:
SBCR WR, #I
Machine Code:
1
ACC, R ← (R) - (ACC) - (CF)
The contents of the ACC and CF are binary subtracted from the contents of
the data memory location addressed by R6 to R0 and the result is placed in
the ACC and the data memory.
CF & ZF
Subtract immediate data from WR with Borrow
00001111
I3 I2 I1 I0 W3 W2 W1 W0
Machine Cycle:
Operation:
Description:
Flag Affected:
1
ACC, R ← (WR) - I - (CF)
The immediate data I and CF are binary subtracted from the contents of
the WR and the result is placed in the ACC and the WR.
CF & ZF
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Publication Release Date: March 1998
Revision A2