Zilog Z8F0130 User Manual

Page 78

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eZ8

CPU Core

User Manual

UM012820-0810

eZ8

CPU Instruction Set Summary

63

EI

Enable Interrupts

IRQCTL[7]

 1

9F

– – – – – –

1

2

HALT

Halt Mode

7F

– – – – – –

1

2

INC dst

dst

 dst + 1

R

20

– * * * – –

2

2

IR

21

2

3

r

0E–FE

1

2

INCW dst

dst

 dst + 1

RR

A0

– * * * – –

2

5

IR

A1

2

6

IRET

FLAGS

 @SP

SP

 SP + 1

PC

 @SP

SP

 SP + 2

IRQCTL[7]

 1

BF

* * * * * *

1

5

JP dst

PC

 dst

DA

8D

– – – – – –

3

2

IRR

C4

2

3

JP cc, dst

if cc is true

PC

 dst

DA

0D–FD – – – – – –

3

2

JR dst

PC

 PC + X

RA

8B

– – – – – –

2

2

JR cc, dst

if cc is true

PC

 PC + X

RA

0b–FB – – – – – –

2

2

Table 20. eZ8 CPU Instruction Summary (Continued)

Assembly

Mnemonic

Symbolic
Operation

Address

Mode

Op

Code(s)

(Hex)

Flags

Fetch

Cycles

Instr.

Cycles

dst src

C Z S V D H

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