User's Manual

MSM80C154S/83C154S/85C154HVS

352

93. RRC A (Rotate accumulator and carry flag right)

00010011

Instruction code

Operation

Number of bytes

Number of cycles

Flags

(PSW)

Description

Example RRC 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 right. The carry flag is shifted to the

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

shifted to the carry flag.

00010011

Byte 1

Accumulator

00110100

Before execution

Accumulator

10011010

After execution

Carry flag

← ← ← ← ← ← ← ←

Accumulator

Carry