Instruction Set

Instruction Types

10.4.5 Control Instructions

These instructions act on CPU registers and control CPU operation

during program execution.

Table 10-5. Control Instructions

Instruction

Mnemonic

 

 

Clear Carry Bit

CLC

 

 

Clear Interrupt Mask

CLI

 

 

No Operation

NOP

 

 

Reset Stack Pointer

RSP

 

 

Return from Interrupt

RTI

 

 

Return from Subroutine

RTS

 

 

Set Carry Bit

SEC

 

 

Set Interrupt Mask

SEI

 

 

 

 

Stop Oscillator and Enable

 

Pin

STOP

IRQ

 

 

Software Interrupt

SWI

 

 

Transfer Accumulator to Index Register

TAX

 

 

Transfer Index Register to Accumulator

TXA

 

 

Stop CPU Clock and Enable Interrupts

WAIT

 

 

 

 

MC68HC05RC16 — Rev. 3.0

 

General Release Specification

 

 

 

MOTOROLA

Instruction Set

95