Zilog Z80180 Manual de usuario Pagina 272

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Z8018x
Family MPU User Manual
256
UM005003-0703
DJNZ j
(If Br ¹ 0)
MC1 T1T2T3 1st Op Code
Address
1st Op
Code
010 1 01 0
MC2 Ti*2 * Z 111 1 11 1
MC3 T1T2T3 1st operand
Address
j-2 010 1 11 1
MC4~M
C5
TiTi * Z 1 1 1 1 1 1 1
DJNZ j
(If Br=0)
MC1 T1T2T3 1st Op Code
Address
1st Op
Code
010 1 01 0
MC2 Ti*1 * Z 111 1 11 1
MC3 T1T2T3 1st operand
Address
j-2 010 1 11 1
EI*3 MC1 T1T2T3 1st Op Code
Address
1st Op
Code
010 1 01 0
EX DE, HL
EXX
MC1 T1T2T3 1st Op Code
Address
1st Op
Code
010 1 01 0
EX AF, AF’
MC1 T1T2T3 1st Op Code
Address
1st
Op Code
010 1 01 0
MC2 Ti * Z 111 1 11 1
EX (SP), HL
MC1 T1T2T3 1st Op Code
Address
1st Op
Code
010 1 01 0
MC2 T1T2T3SP DATA 010 1 11 1
MC3 T1T2T3 SP+1 DATA 0 1 0 1 1 1 1
MC4 Ti * Z 111 1 11 1
MC5 T1T2T3 SP+1 H 1 0 0 1 1 1 1
MC6 T1T2T3SP L 100 1 11 1
*2 DMA,REFRESH, or BUS RELEASE cannot be executed after this state. (Request is ignored)
*3 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
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