Zilog Z80180 Uživatelský manuál stáhnout pdf (Strana 281)

100

101

Z8018x

Family MPU User Manual

UM005003-0703

265

LD HL, (mn)

MC1 T1T2T3 1st Op Code

Address

1st Op

Code

010 1 01 0

MC2 T1T2T3 1st operand

Address

n 010 1 11 1

MC3 T1T2T3 2nd operand

Address

m 010 1 11 1

MC4 T1T2T3mn DATA 010 1 11 1

MC5 T1T2T3 mn+1 DATA 0 1 0 1 1 1 1

LD ww,(mn)

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 T1T2T3 1st operand

Address

n 010 1 11 1

MC4 T1T2T3 2nd operand

Address

m 010 1 11 1

MC5 T1T2T3mn DATA 010 1 11 1

MC6 T1T2T3 mn+ 1 DATA 0 1 0 1 1 1 1

LD IX,(mn)

LD IY,(mn)

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 T1T2T3 1st operand

Address

n 010 1 11 1

MC4 T1T2T3 2nd operand

Address

m 010 1 11 1

MC5 T1T2T3mn DATA 010 1 11 1

MC6 T1T2T3 mn+1 DATA 0 1 0 1 1 1 1

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 ... 276 277 278 279 280 281 282 283 284 285 286 ... 325 326

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