Intel 8080 - B4_Page_45

Appendix A. Instruction Summary
NUMBER OF TIME PERIOD5
MNEMONIC
D7
D6 D5
D4
D3 D2
Dl
DO
8080 8085
INR A 0 0
1 1 1 1
0 0 5 4
DCR A 0 0
1 1 1 1
0
1
5
4
INR M
0
0
1 1
0
1
0
0
10
10
DCR M 0 0
1
1
0
1
0
1 10
10
ADD r
1
0
0 0 0 5 5 5
4 4
ADC r
1
0 0 0
1
5 5
5
4 4
5UB r
1
0 0
1
0 5 5 5
4 4
5BB r 1
0 0
1 1
5 5 5
4 4
AND r 1
0
1
0 0
5 5
5 4 4
XRA r 1
0
1
0
1
5 5 5 4
4
ORA r 1
0
1 1
0 5 5
5
4 4
CMPr
1
0
1 1 1
5
5 5
4
4
ADD M
1
0 0 0 0
1 1
0
7 7
ADC M
1
0
0 0
1 1
1
0
7
7
5UB M
1
0
0
1
0
1
I
0
7 7
5BB M
1
0 0
1 1
1 1
0
7 7
AND M
1
0
1
0 0 1
1
0
7
7
XRA M 1 0
1
0
1 1
1
0
7
7
ORA M
1
0
1 1
0
1 1
0
7 7
CMP M
1
0
1 1 1 1
1
0
7 7
ADI 1 1
0 0 0
1 I
0
7
7
ACI
1
1
0 0 I 1 I
0
7 7
5UI
1
1
0
1
0
1
1
0
7
7
5BI
1
1
0
1 1 1
1
0
7
7
ANI 1
1
1
0 0
1
1
0 7
7
XRI 1 1
1
0
I 1
I 0
7
7
ORI 1 1 1 1
0
1
I
0
7 7
CPI
1 1 1 1 1 1
1
0
7
7
RLC
0
0
0
0
0
1 1
1 4
4
RRC
0 0
0 0
I
1
1
1 4 4
RAL 0 0 0
1
0 1 1 1 4 4
RAR
0 0
0
1 1 1 1 1 4 4
IMP
1 1
0
0 0
0 1 1 10 10
JC
1 1
0
1 1
0
1 0 10 7/10
INC
1
1
0
1
0 0 1 0 10
7/10
IZ
1 1
0
0
1 0
1
0
10
7/10
INZ
1 1
0 0 0
0
1
0
10
7/10
IP
1
1 1 1
0
0
1
0
10
7/10
1M
1 1
1
1
1
0 I 0
10
7/10
IPE
1 1 1
0
1
0
1
0
10
7/10
IPO
1 1 1
0 0 0
1
0
10
7/10
DCX B
0 0 0
0
1
0
1 1
5 6
DCX D
0 0
0
1
1
0
1 1
5
6
DCX H
0
0
1
0
1
0
1 1
5
6
DCX
5P
0 0 1
1
1 0 1
1
5 6
ALL MNEMONICS©7974, 7975, 7976, 7977 INTEL CORPORA TfON
A-3