Interrupts - ZiLOG Z8018 Series User Manual

INTERRUPTS

Table 52.
Machine
Instruction Cycle
MC1
NMI
MC2
~MC3
MC4
MC5
MC1
INT0 Mode 0
(RST Inserted)
MC2
~MC3
MC4
MC5
MC1
MC2
INT0 Mode 0
(Call
MC3
Inserted)
MC4
MC5
MC6
MC1
INT0 Mode 1
MC2
MC3
Interrupts
States Address
T1T2T3 Next Op
Code
Address (PC)
T1T1 *
T1T2T3 SP-1
T1T2T3 SP-2
T1T2TW Next Op
TWT3 Code
Address
T1T1 *
T1T2T3 SP-1
T1T2T3 SP-2
T1T2Tw Next Op
TWT3 Code
Address (PC)
T1T2T3 PC
T1T2T3 PC+1
Ti *
T1T2T3 SP-1
T1T2T3 SP-2
T1T2TW Next
TWT3 Op Code
Address (PC)
T1T2T3 SP-1
T1T2T3 SP-2
Family MPU User Manual
Data RD WR MREQ IORQ M1 HALT ST
0 1 0
Z 1 1 1
PCH 1 0 0
PCL 1 0 0
1st (PC) 1 1 1
Op Code
Z 1 1 1
PCH 1 0 0
PCL 1 0 0
1st 1 1 1
Op Code
n 0 1 0
m 0 1 0
Z 1 1 1
PC+2(H) 1 0 0
PC+2(L) 1 0 0
1 1 1
PCH 1 0 0
PCL 1 0 0
Z8018x
1 0 1 0
1 1 1 1
1 1 1 1
1 1 1 1
0 0 1 0
1 1 1 1
1 1 1 1
1 1 1 1
0 0 1 0
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
0 0 1 0
1 1 1 1
1 1 1 1
UM005004-0918
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