Z08617 Datasheet, PDF(21/26 Page) Zilog, Inc. – NMOS Z8 8-BIT MCU KEYBOARD CONTROLLER

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Z08617 Datasheet, PDF (21/26 Pages) Zilog, Inc. – NMOS Z8 8-BIT MCU KEYBOARD CONTROLLER

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INSTRUCTION FORMATS

OPC

dst

OPC

CCF, DI, EI, IRET, NOP,

RCF, RET, SCF

One-Byte Instructions

Z08617 NMOS Z8Â® 8-BIT MCU

KEYBOARD CONTROLLER

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

âââ. For example:

dst â dst + src

indicates that the source data is added to the desti-

nation 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.

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