Z8018x family mpu user manual – Zilog Z80180 User Manual
Page 277
Z8018x
Family MPU User Manual
UM005003-0703
261
JR j
MC1
T1T2T3 1st Op Code
Address
1st Op
Code
0
1
0
1
0
1
0
MC2
T1T2T3 1st operand
Address
j-2
0
1
0
1
1
1
1
MC3~M
C4
TiTi
*
Z
1
1
1
1
1
1
1
JR C,j JR NC,j
JR Z,j JR NZ,j
(if condition
is false)
MC1
T1T2T3 1st Op Code
Address
1st Op
Code
0
1
0
1
0
1
0
MC2
T1T2T3 1st operand
Address
j-2
0
1
0
1
1
1
1
JR C,j JR NC,j
JR Z,j JR NZ,j
(if condition
is true)
MC1
T1T2T3 1st Op Code
Address
1st Op
Code
0
1
0
1
0
1
0
MC2
T1T2T3 1st operand
Address
j-2
0
1
0
1
1
1
1
MC3~M
C4
TiTi
*
Z
1
1
1
1
1
1
1
LD g,g'
MC1
T1T2T3 1st Op Code
Address
1st Op
Code
0
1
0
1
0
1
0
MC2
Ti
*
Z
1
1
1
1
1
1
1
LD g,m
MC1
T1T2T3 1st Op Code
Address
1st Op
Code
0
1
0
1
0
1
0
MC2
T1T2T3 1st operand
Address
m
0
1
0
1
1
1
1
LD g, (HL)
MC1
T1T2T3 1st Op Code
Address
1st Op
Code
0
1
0
1
0
1
0
MC2
T1T2T3 HL
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