Chapter 12 List of Machine Language Instructions

12.3 List of Machine Language Instructions

Symbol

Description

 

 

An, Am

Address register (n, m=3 to 0)

 

 

Dn, Dm

Data register (n, m = 3 to 0)

 

 

Di

Index, a data register (i=0,1,2,3)

 

 

SP

Stack pointer register

 

 

imm

Immediate data

 

 

imm8

8-bit immediate data specified with an instruction

 

 

imm16

16-bit immediate data specified with an instruction

 

 

imm32

32-bit immediate data specified with an instruction

 

 

abs16

A 16-bit absolute address specified by the instruction

 

 

abs32

A 32-bit absolute address specified by the instruction

 

 

d

Displacement data

 

 

d8

8-bit offset data specified with an instruction

 

 

d16

16-bit offset data specified with an instruction

 

 

d32

32-bit offset data specified with an instruction

 

 

MDR

Multiply/divide register

 

 

LIR

Loop instruction register

 

 

LAW

Instruction fetch address register

 

 

PSW

Program status word

 

 

CF

Carry flag

 

 

ZF

Zero flag

 

 

NF

Negative flag

 

 

VF

Overflow flag

 

 

PC

Program counter

 

 

regs

Specification of multiple registers

 

 

( )

Indicates an indirect address

 

 

List of Machine Language Instructions 231

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Panasonic MN1030 user manual List of Machine Language Instructions