S3C84E5/C84E9/P84E9INSTRUCTION SET

Table 6-1. Instruction Group Summary (Concluded)

Mnemonic

Operands

Instruction

Rotate and Shift Instructions

 

RL

dst

Rotate left

RLC

dst

Rotate left through carry

RR

dst

Rotate right

RRC

dst

Rotate right through carry

SRA

dst

Shift right arithmetic

SWAP

dst

Swap nibbles

CPU Control Instructions

 

CCF

 

Complement carry flag

DI

 

Disable interrupts

EI

 

Enable interrupts

IDLE

 

Enter Idle mode

NOP

 

No operation

RCF

 

Reset carry flag

SB0

 

Set bank 0

SB1

 

Set bank 1

SCF

 

Set carry flag

SRP

src

Set register pointers

SRP0

src

Set register pointer 0

SRP1

src

Set register pointer 1

STOP

 

Enter Stop mode

6-5

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Samsung S3C84E5 user manual CPU Control Instructions