User's Manual

DESCRIPTION OF INSTRUCTIONS
351
92. RR A (Rotate accumulator right)
00000011
70
Instruction code
Operation
Number of bytes
Number of cycles
Flags
(PSW)
Description
Example RR A
Instruction code
: Byte 1
:
C AC F0 RS1 RS0 OV F1 P
:
:
:
All accumulator bits are shifted by one bit to the right. The LSB
(bit 0) is shifted to the MSB bit position (bit 7).
:
00000011
70
Byte 1
Accumulator
01110011
70
1
1
Before execution
Accumulator
10111001
70
After execution
:
← ← ← ← ← ← ← ←
C
70
Accumulator