Zilog Z80180 User Manual
Page 288
Z8018x
Family MPU User Manual
272
UM005003-0703
OTIR
OTDR
(if Br=0)
MC1
T1T2T3 1st Op Code
Address
1st Op
Code
0
1
0
1
0
1
0
MC2
T1T2T3 2nd Op Code
Address
2nd Op
Code
0
1
0
1
0
1
1
MC3
T1T2T3 HL
DATA
0
1
0
1
1
1
1
MC4
T1T2T3 BC
DATA
1
0
1
0
1
1
1
POP zz
MC1
T1T2T3 1st Op Code
Address
1st Op
Code
0
1
0
1
0
1
0
MC2
T1T2T3 SP
DATA
0
1
0
1
1
1
1
MC3
T1T2T3 SP+1
DATA
0
1
0
1
1
1
1
POP IX
POP IY
MC1
T1T2T3 1st Op Code
Address
1st Op
Code
0
1
0
1
0
1
0
MC2
T1T2T3 2nd Op Code
Address
2nd Op
Code
0
1
0
1
0
1
1
MC3
T1T2T3 SP
DATA
0
1
0
1
1
1
1
MC4
T1T2T3 SP+1
DATA
0
1
0
1
1
1
1
PUSH zz
MC1
T1T2T3 1st Op Code
Address
1st Op
Code
0
1
0
1
0
1
0
MC2
~MC3
TiTi
*
Z
1
1
1
1
1
1
1
MC4
T1T2T3 SP-1
zzH
1
0
0
1
1
1
1
MC5
T1T2T3 SP-2
zzL
1
0
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