Maxim Integrated MAX31782 User Manual
Page 206
MaximIntegrated 20-23
MAX31782 User’s Guide
Revision 0; 8/11
RL/RLC
RotateLeftAccumulator
CarryFlag(Ex/In)clusive
Description:
Rotates the active accumulator left by a single bit position . The RL instruction circulates the msb
of the accumula- tor (bit 15) back to the lsb (bit 0) while the RLC instruction includes the Carry (C)
flag in the circular left shift .
StatusFlags:
C (for RLC only), S, Z (for RLC only)
RLOperation:
15
Active Accumulator (Acc)
0
Acc .[15:1]
← Acc .[14:0]; Acc .0 ← Acc .15
Encoding:
15
0
1000
1010
0100
1010
Example(s):
; Acc = A345h, S=1, Z=0
RL
; Acc = 468Bh, S=0, Z=0
RL
; Acc = 8D16h, S=1, Z=0
RLCOperation: 15
Active Accumulator (Acc)
0
Carry Flag
Acc .[15:1]
← Acc .[14:0]; Acc .0 ← C; C ← Acc .15
Encoding:
15
0
1000
1010
0101
1010
Example(s):
; Acc = A345h, C=1, S=1, Z=0
RLC
; Acc = 468Bh, C=1, S=0, Z=0
RLC
; Acc = 8D17h, C=0, S=1, Z=0