z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 274

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z80189

Manufacturer Part Number

z80189

Description

Z80180, Z8s180, Z8l180 Mpu Operation

Manufacturer

ZiLOG Semiconductor

Datasheet

1.Z80189.pdf (326 pages)

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258

Table 51.

UM005003-0703

Instruction

INC (IX+ d)

INC (IY+d)

DEC (IX+d)

DEC (IY+d)

INC ww

DEC ww

INC IX

INC IY

DEC IX

DEC IY

IN A,(m)

Z8018x

Family MPU User Manual

Bus and Control Signal Condition in Each Machine Cycle (Continued)

Machine

Cycle

MC1

MC2

MC3

MC4~M

C5

MC6

MC7

MC8

MC1

MC2

MC1

MC2

MC3

MC1

MC2

MC3

States

T1T2T3

T1T2T3

T1T2T3

TiTi

T1T2T3

T1

T1T2T3

T1T2T3

Ti

T1T2T3

T1T2T3

Ti

T1T2T3

T1T2T3

T1T2T3

Address

1st Op Code

Address

2nd Op Code

Address

1st operand

Address

*

X+ d

IY+ d

*

IX+ d

IY+d

1st Op Code

Address

*

1st Op Code

Address

2nd Op Code

Address

*

1st Op Code

Address

1st operand

Address

m to A0~A7

A to A8~A15

Data

1st Op

Code

2nd Op

Code

d

Z

DATA

Z

DATA

1st Op

Code

Z

1st Op

Code

2nd Op

Code

Z

1st Op

Code

m

DATA

RD WR MREQ

0

0

0

1

0

1

1

0

1

0

0

1

0

0

0

1

1

1

1

1

1

0

1

1

1

1

1

1

1

1

0

0

0

1

0

1

0

0

t

0

0

1

0

0

1

IORQ M1 HALT ST

1

1

1

1

1

1

1

1

1

1

1

1

1

1

0

0

0

1

1

1

1

1

0

1

0

0

1

0

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

0

1

1

1

1

1

1

0

1

0

1

1

0

1

1

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