Z86E61 Datasheet, PDF(38/44 Page) Zilog, Inc. – CMOS Z8 16K/32K EPROM MICROCONTROLLER

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Z86E61 Datasheet, PDF (38/44 Pages) Zilog, Inc. – CMOS Z8 16K/32K EPROM MICROCONTROLLER

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INSTRUCTION FORMATS

PRELIMINARY

OPC

dst

OPC

CCF, DI, EI, IRET, NOP,

RCF, RET, SCF

One-Byte Instructions

Z86E61/E63 Z8Â® MCU

WITH 16K/32K EPROM

OPC MODE

dst/src

OR 1 1 1 0

OPC

dst

OR 1 1 1 0

dst/src

dst

CLR, CPL, DA, DEC,

DECW, INC, INCW,

POP, PUSH, RL, RLC,

RR, RRC, SRA, SWAP

JP, CALL (Indirect)

OPC

VALUE

SRP

OPC

dst

MODE

src

MODE OPC

dst/src src/dst

ADC, ADD, AND, CP,

OR, SBC, SUB, TCM,

TM, XOR

LD, LDE, LDEI,

LDC, LDCI

dst/src OPC

src/dst

OR 1 1 1 0 src

dst

OPC

VALUE

dst/CC OPC

DJNZ, JR

FFH

6FH

7FH

STOP/HALT

Two-Byte Instructions

OPC MODE

ADC, ADD, AND, CP,

src

OR 1 1 1 0

src

LD, OR, SBC, SUB,

TCM, TM, XOR

dst

OR 1 1 1 0 dst

OPC MODE

dst

OR 1 1 1 0 dst

VALUE

ADC, ADD, AND, CP,

LD, OR, SBC, SUB,

TCM, TM, XOR

MODE OPC

src

OR 1 1 1 0 src

dst

OR 1 1 1 0 dst

MODE OPC

dst/src

ADDRESS

OPC

DAU

DAL

OPC

DAU

DAL

CALL

Three-Byte Instructions

INSTRUCTION SUMMARY

Note: Assignment of a value is indicated by the symbol

â â â. For example:

dst â dst + src

indicates that the source data is added to the destination

data and the result is stored in the destination location. The

notation âaddr (n)â is used to refer to bit (n) of a given

operand location. For example:

dst (7)

refers to bit 7 of the destination operand.

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