W741C260 Datasheet, PDF (84/92 Pages) Winbond – 4-BIT MICROCONTROLLER

W741C260
Instruction Set Table 2, continued
SET PMF, #I
Set ParaMeter Flag
Machine Code:
00010110
0 0 0 0 I3 I2 I1 I0
Machine Cycle:
Operation:
Description:
1
Set Parameter Flag
Description of each flag:
I0, I1, I2 : Reserved
SHLC R
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
SHRC R
Machine Code:
Machine Cycle:
Operation:
Description:
Flag Affected:
I3 = 1 : The input clock of the watchdog timer is Fosc/16384.
SHift Left R with CF and LSB = 0
01001100
0 R6 R5 R4 R3 R2 R1 R0
1
ACC.n, R.n ← R.n-1; ACC.0, R.0 ← 0; CF ← R.3
The contents of the ACC and the data memory location addressed by R6 to
R0 are shifted left one bit, but bit 3 is shifted into CF, and bit 0 (LSB) is
replaced with "0." The same contents are loaded into the ACC.
CF & ZF
SHift Right R with CF and MSB = 0
01001101
1
0 R6 R5 R4 R3 R2 R1 R0
ACC.n, R.n ← R.n+1; ACC.3, R.3 ← 0; CF ← R.0
The contents of the ACC and the data memory location addressed by R6 to
R0 are shifted right one bit, but bit 0 is shifted into CF, and bit 3 (MSB) is
replaced with "0." The same contents are loaded into the ACC.
CF & ZF
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