Maxim Integrated MAX31782 - Manual (Page 207)

 MaximIntegrated  20-24
MAX31782 User’s Guide
Revision 0; 8/11
RR/RRC RotateRightAccumulator
CarryFlag(Ex/In)clusive
Description: Rotates the active accumulator right by a single bit position . The RR instruction circulates the lsb of
the accumula- tor (bit 0) back to the msb (bit 15) while the RRC instruction includes the Carry (C)
flag in the circular right shift .
StatusFlags: C (for RRC only), S, Z (for RRC only)
RROperation: 15 Active Accumulator (Acc) 0
Acc .[14:0] ← Acc .[15:1]; Acc .15 ← Acc .0
Encoding: 15 0
1000 1010 1100 1010
Example(s): ; Acc = A345h, S=1, Z=0
RR ; Acc = D1A2h, S=1, Z=0
RR ; Acc = 68D1h, S=0, Z=0
RRCOperation: 15 Active Acc (Acc) 0 Carry Flag
Acc .[14:0] ← Acc .[15:1]; Acc .15 ← C; C ← Acc .0
Encoding: 15 0
1000 1010 1101 1010
Example(s): ; Acc = A345h, C=1, S=1, Z=0
RRC ; Acc = D1A2h, C=1, S=1, Z=0
RRC ; Acc = E8D1h, C=0, S=1, Z=0