Z8F082ASH020SC datasheet(198/244 Pages) ZILOG

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PS024705-0405

P R E L I M I N A R Y

eZ8 CPU Instruction Set

Z8 Encore! XP® F08xA Series

Product Specification

180

COM dst

dst

← ~dst

–

CP dst, src

dst - src

***–

–

rIr

RIR

RIM

CPC dst, src

dst - src - C

1F A2

***–

–

rIr

1F A3

1F A4

RIR

1F A5

RIM

1F A6

1F A7

CPCX dst, src

dst - src - C

1F A8

***–

–

1F A9

CPX dst, src

dst - src

***–

–

DA dst

dst

← DA(dst)

–

DEC dst

dst

← dst - 1

–***–

–

DECW dst

dst

← dst - 1

–

***–

–

IRR

IRQCTL[7]

← 0

–

–––

–

DJNZ dst, RA

dst

← dst – 1

if dst

≠ 0

← PC + X

0A-FA

–

–––

–

IRQCTL[7]

← 1

–

–––

–

Table 116. eZ8 CPU Instruction Summary (Continued)

Assembly

Mnemonic

Symbolic Operation

Address Mode

Opcode(s)

(Hex)

Flags

Fetch

Cycles

Instr.

Cycles

dst

src

Flags Notation:

* = Value is a function of the result of the operation.

– = Unaffected

X = Undefined

0 = Reset to 0

1 = Set to 1

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