User's Manual

DESCRIPTION OF INSTRUCTIONS
349
90. RL A (Rotate accumulator left)
00100011
70
Instruction code
Operation
Number of bytes
Number of cycles
Flags
(PSW)
Description
Example RL A
Instruction code
: Byte 1
:
C AC F0 RS1 RS0 OV F1 P
:
:
:
All accumulator bits are shifted by one bit to the left. The MSB
(bit 7) is shifted to the LSB bit position (bit 0).
:
00100011
70
Byte 1
Accumulator
10010110
70
1
1
Before execution
Accumulator
00101101
70
After execution
:
← ← ← ← ← ← ← ←
C
70
Accumulator