Panasonic MN1030 User Manual

Chapter 12   List of  Machine Language Instructions

List of Machine Language Instructions  231

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