Z8F082ASH020SC datasheet(190/244 Pages) ZILOG

190 / 244 page

PS024705-0405

P R E L I M I N A R Y

eZ8 CPU Instruction Set

Z8 Encore! XP® F08xA Series

Product Specification

172

Table 107 contains additional symbols that are used throughout the Instruction Summary

and Instruction Set Description sections.

Table 106. Notational Shorthand

Notation

Description

Operand

Range

Bit

b represents a value from 0 to 7 (000B to 111B).

Condition Code

—

See Condition Codes overview in the eZ8 CPU

User Manual.

Direct Address

Addrs

Addrs. represents a number in the range of

0000H to FFFFH

Extended Addressing Register

Reg

Reg. represents a number in the range of 000H to

FFFH

Immediate Data

#Data

Data is a number between 00H to FFH

Indirect Working Register

@Rn

n = 0 –15

Indirect Register

@Reg

Reg. represents a number in the range of 00H to

FFH

Irr

Indirect Working Register Pair

@RRp

p = 0, 2, 4, 6, 8, 10, 12, or 14

IRR

Indirect Register Pair

@Reg

Reg. represents an even number in the range

00H to FEH

Polarity

Polarity is a single bit binary value of either 0B or

1B.

Working Register

n = 0 – 15

Reg

Reg. represents a number in the range of 00H to

FFH

Relative Address

X represents an index in the range of +127 to –

128 which is an offset relative to the address of

the next instruction

Working Register Pair

RRp

p = 0, 2, 4, 6, 8, 10, 12, or 14

Reg

Reg. represents an even number in the range of

00H to FEH

Vector

Vector Address

Vector

Vector represents a number in the range of 00H

to FFH

Indexed

#Index

The register or register pair to be indexed is offset

by the signed Index value (#Index) in a +127 to

-128 range.

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