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Zilog Z80180 User Manual

Page 270

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Z8018x
Family MPU User Manual

254

UM005003-0703

CALL mn

MC1

T1T2T3 1st Op Code

Address

1st Op
Code

0

1

0

1

0

1

0

MC2

T1T2T3 1st operand

Address

n

0

1

0

1

1

1

1

MC3

T1T2T3 2nd operand

Address

m

0

1

0

1

1

1

1

MC4

Ti

*

Z

1

1

1

1

1

1

1

MC5

T1T2T3 SP-1

PCH

1

0

0

1

1

1

1

MC6

T1T2T3 SP-2

PCL

1

0

0

1

1

1

1

CALL f,mn (If
condition is false)

MC1

T1T2T3 1st Op Code

Address

1st Op
Code

0

1

0

1

0

1

0

MC2

T1T2T3 1st operand

Address

n

0

1

0

1

1

1

1

CALL f,mn
if condition is
true)

MC1

T1T2T3 1st Op Code

Address

1st Op
Code

0

1

0

1

0

1

0

MC2

T1T2T3 1st operand

Address

n

0

1

0

1

1

1

1

MC3

T1T2T3 2nd operand

Address

m

0

1

0

1

1

1

1

MC4

Ti

*

Z

1

1

1

1

1

1

1

MC5

T1T2T3 SP-1

PCH

1

0

0

1

1

1

1

MC6

T1T2T3 SP-2

PCL

1

0

0

1

1

1

1

CCF

MC1

T1T2T3 1st Op Code

Address

1st Op
Code

0

1

0

1

0

1

0

Table 51. Bus and Control Signal Condition in Each Machine Cycle (Continued)

Instruction

Machine
Cycle

States

Address

Data

RD WR MREQ

IORQ M1 HALT ST

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