SUMMARY OF
12S'A
INSTRUCTION
SET
IMI
.•
Mnemonic:
AD
07
DI
05
D4
DI
02
01
DO
Operation
o.aertptlon
.
-_.
--_.-
ICW'
A
0
A7
All
A5
0
,
0
Format
= 4
Slf)gle
£Ioql?
trlggerec:
2
ICW'
8 0
A7
A6
A5
1 1
0
Forma: = 4
Sll"Igl('
leve,
1"Q9prec
3
ICW'
C 0
A7
A6
A5
0
0 0
Byte
1
Inlhallzallon
Formal::
4
n01
single
enge
triggered
4
ICW'
0
0
A7
A6
A5
0 0
Formal;;:.
4
1"101
Single
le
...
el
1"9r~rt:'Cl
5
ICW'
E
0
A7
A6
0 0
0
1
0 No ICW4 Required
FO'lT'a~
::
8
Single edge triggered
II
ICW1
F
0
A7
All 0
1
0
1
0
Format
= 8
smgle
le"e
ITlgge'f'd
7
ICW'
G 0
A7
A6 0 0
0 0 0
Format
~
8.
no:
IIngla.
edge
'''ggerad
II
ICW1 H
0
A7 A6
0
0 0
0
Format
~
8 not
.'ngle.
le.al
'rlggered
II
ICW'
0
A7 A6 A5
0
Forma' z 4
.•
,ngle. edga 'roggered
'0
ICW'
J
0
A7
A6
A5
Forma'
=
'.
slngl
•.
level
trtggered
11
ICW1
I<
0
A7
A6
A5
0 0
Byta ,
Inillallza"on
Format
='.
nol
.lngla
edge trlggeraO
'2
ICW'
L 0
A7
All
A5
0 Forma'
~
4.
not
sIngle. leyel trlgg.rell
'3
ICW'
101
0
A7
A6
0
0 0
ICW4 ReqUired
Format.
B.
.,ngla
edge triggered
14
ICW'
N
0
A7
A6 0
,
0
Format =
8.
IlnUle,
'.\tIe' triggered
'5
ICW'
0 0
A7
A6
0 0
0
0
Format =
8.
not
'Ingle,
edge
Irlggered
16
ICWI
P
0
A7
A6
0
0
0
Format =
8.
not
Imgle,
18"'11
lrlggered
17
ICW2
A'5
A14
A'3
At2
A,'
Al0
All
A8
Byte
2
initialization
18
ICW3
101
57
S6
55
54
53
52
51
SO
Byte
3 initIalization -
master
19
ICw3
S
0 a 0 a a
52
S1
SO
Byte
3
initialization
-
slave
20
ICW4
A a a
a
a 0
0 a a
No
action,
redundant
21
ICW4
B
0
0 0
a a 0
0
Non·buffered
mode. no AEOI.
8086:8088
22
ICW4
C
0
a
a
a a a
1
0
Non·buffered
mode, AEOI,
MCS·80:85
23
ICW4
0
a a a 0 a
a
Non·buffered
mode. AEOI.
8086
i
8088
24
ICW4 E 0 a a 0 0 a a
No
action, redundant
25
ICW4
F
a a
a a a
a
Non·buffered
mode. no
"EOI,
8086/8088
2fj
ICW4
G 0 a a
0
a 0
Non·buffered
mode. AEOI,
MCS·80iB5
27
ICW4
H
a a a
a
0
Non·buffered
mode, AEOI,
808618088
28
,CW4
0
a
0 a 0 a 0
Buffered
mode,
slave. no AEOI.
MCS·80
185
29
ICW4
J 0 0 0 a a a
Buffered
mode.
alave, no AEOI,
8086
i
8088
30
ICW4 K
0 0 0 a 0 a
Buffered
mode.
slave. AEOI.
MCS·80
i
8S
31
ICW4
L
0 a 0 a 0
Buffered
mode,
slave, AEOI,
8086
/
8088
32
ICW4
Ilol
0
a 0
a 0 0
Buffered
mode.
master.
no AEOI.
MCS·80
85
33
ICW.
~
0
a a a
a
Buffered
mode,
master.
no AEOI, 8086:11088
301
ICW4
0 0 a a
a
a
Buffered
mode.
master.
AEOI.
MCS·80i85
35
ICW4 P
0 a a 0
Buffered
mode.
master
AEOI.
8086.
8088
36
ICW4
~"
0
a
0-
....
0
0 0
0
Fully
nested
mode, MCS·80. non buffered. no AEOI
,
37
ICW4
~B
0 a a 0 a a
I
ICW4
~B
through ICW4
~D
are ,denl,cal to
31!
ICW.
NC
0 a a 0
0
a
ICW.
8 through ICW4 0
w'th
the adO,l,on 01
39
ICW4
~O
0
a a 0 0
F
ull)
~eSled
Mode
40
ICW4
~E
0 a a 0
0
0
Fully Nested Mode. MC5·80f85 non
~uttered
no
"EOI
41
ICW4
~~
0 a 0
0 0
42
ICW4
NG 0
0 0 0 0
a3
ICW4
NH
0
a
0
0
44
ICW4
~I
0 0 0 a a a
45
ICW4
~J
0 0 0 a a
46
ICW4
~I<
0
a
a a
0
ICW4 NF through ICW4 NP are 'Oenl,ca'
10
47
ICW4
~L
0
0 0
0
ICW4 F through ICW4 P w,th the aOd,t,on
Of
Fully Nested Mode
48
ICW4
NIIoI
0 0 0
a a
411
ICW4
N~
0 0 a
0
so
ICW4
NO
0 a
0 0
51
ICW4
~P
0 a 0
~?
OCWI
Ilol7
Ilol6
Ilol5
Ilol4
Ilol3 Ilol2
Ilol1
Ilol0
Load
ma_k regIster.
read
mask
register
~)
OCW2
E
0
a a
0 a
0
a a
Non·apecltic
EOI
~.
OCW2
5E 0 a
a
0
L2
LI
LO
Speclf.c
EOI,
lO-l2
code
of IS FF
to
be
reset
~o
OCW2
RE
0
a 0 c 0
0 0
Rotale
on
Non·Speclflc
EOI
~"
OCW2
ASE
a
0 0
L2
Ll
La
Rotate
on SpeCifiC EOI
lO-l2
code
01
line
~
.
OCW2
A
0
.
0 a 0 a a
0 a
Rolste
In Auto EOI
(sel)
~B
OCw2
CA
0 0
0 a
0 0
0 0 0
Rotate
,n
"uto
EOI
(clear)
~'"
OCW2
AS
0
0 0 a
L2
l1
La
Sel
P"oroty Command
.,:"
OCW3
P
0
0
0
a 0
a a Poll
mode
."
OCW)
AIS
0 0
0
0
a a
Read
IS
reg,ster
53
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