Z8S180 Zilog., Z8S180 Datasheet - Page 274

• Manufacturer Part Number: Z8S180
• Description: ENHANCED Z180 MICROPROCESSOR
• Manufacturer: Zilog.

258
Table 51. Bus and Control Signal Condition in Each Machine Cycle (Continued)
UM005001-ZMP0400
Instruction
INC (IX+ d)
INC (IY+d)
DEC (IX+d)
DEC (IY+d)
INC ww
DEC ww
INC IX
INC IY
DEC IX
DEC IY
IN A,(m)
Z8018x Family
MPU User Manual
Machine
Cycle
MC1
MC2
MC3
MC4~M
C5
MC6
MC7
MC8
MC1
MC2
MC1
MC2
MC3
MC1
MC2
MC3
States
T1T2T3 1st Op Code
T1T2T3 2nd Op Code
T1T2T3 1st operand
TiTi
T1T2T3 X+ d
T1
T1T2T3 IX+ d
T1T2T3 1st Op Code
Ti
T1T2T3 1st Op Code
T1T2T3 2nd Op Code
Ti
T1T2T3 1st Op Code
T1T2T3 1st operand
T1T2T3 m to A0~A7
Address
Address
Address
Address
*
IY+ d
*
IY+d
Address
*
Address
Address
*
Address
Address
A to A8~A15
Data
1st Op
Code
2nd Op
Code
d
Z
DATA
Z
DATA
1st Op
Code
Z
1st Op
Code
2nd Op
Code
Z
1st Op
Code
m
DATA
RD WR MREQ
0
0
0
1
0
1
1
0
1
0
0
1
0
0
0
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
0
0
0
1
0
1
0
0
t
0
0
1
0
0
1
IORQ M1 HALT ST
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
1
0
1
0
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
0
1
0
1
1
0
1
1