User's Manual

MSM80C154S/83C154S/85C154HVS

350

91. RLC A (Rotate accumulator and carry flag left)

00110011

Instruction code

Operation

Number of bytes

Number of cycles

Flags

(PSW)

Description

Example RLC A

Instruction code

: Byte 1

C AC F0 RS1 RS0 OV F1 P

••

The accumulator and the carry flag are connected, and all bits

are shifted by one bit to the left. The carry flag is shifted to the

accumulator LSB (bit 0), and the accumulator MSB (bit 7) is

shifted to the carry flag.

00110011

Byte 1

Accumulator

01101011

Before execution

Accumulator

11010111

After execution

Carry flag

← ← ← ← ← ← ← ←

Accumulator

Carry