Zilog Z80180 Manual do Utilizador descarregar pdf (Página 271)

100

101

Z8018x

Family MPU User Manual

UM005003-0703

255

CPI

CPD

MC1 T1T2T3 1st Op Code

Address

1st Op

Code

010 1 01 0

MC2 T1T2T3 2nd Op Code

Address

2nd Op

Code

010 1 01 1

MC3 T1T2T3HL DATA 010 1 11 1

MC4

~MC6

TiTiTi * Z 1 1 1 1 1 1 1

CPIR

CPDR

(If BC

¹ 0 and

Ar = (HL)

)

MC1 T1T2T3 1st Op Code

Address

1st Op

Code

010 1 01 0

MC2 T1T2T3 2nd Op Code

Address

2nd Op

Code

010 1 01 1

MC3 T1T2T3HL DATA 010 1 11 1

MC4~M

TiTiTi

TiTi

* Z 111 1 11 1

CPIR

CPDR

(If BC

=0 or

Ar=(HL)

)

MC1 T1T2T3 1st Op Code

Address

1st Op

Code

010 1 01 0

MC2 T1T2T3 2nd Op Code

Address

2nd Op

Code

010 1 01 1

MC3 T1T2T3HL DATA 010 1 11 1

MC4~M

TiTiTi * Z 1 1 1 1 1 1 1

CPL MC1 T1T2T3 1st Op Code

Address

1st Op

Code

010 1 01 0

DAA

MC1 T1T2T3 1st Op Code

Address

1st Op

Code

010 1 01 0

MC2 Ti * Z 111 1 11 1

DI*1 MC1 T1T2T3 1st Op Code

Address

1st Op

Code

010 1 01 0

* 1 Interrupt request is not sampled.

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

1 2 ... 266 267 268 269 270 271 272 273 274 275 276 ... 325 326

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