Zilog Z80180 Manual do Utilizador descarregar pdf (Página 284)

100

101

Z8018x

Family MPU User Manual

268

UM005003-0703

LDIR

LDDR

(If BCR¹0)

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 T1T2T3DE DATA 100 1 11 1

MC5~M

TiTi * Z 1 1 1 1 1 1 1

LDIR

LDDR

(If BCR=0)

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 T1T2T3DE DATA 100 1 11 1

MLT ww**

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

~MC13

TiTiTTi

TiTiTiTi

TiTiTi

* Z 111 1 11 1

NEG

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

NOP MC1 T1T2T3 1st Op Code

Address

1st Op

Code

010 1 01 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

1 2 ... 279 280 281 282 283 284 285 286 287 288 289 ... 325 326

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Zilog Z80180 Manual do Utilizador Página 284

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