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LOAD 1/0 (LIO) INSTRUCTION
Op
OCode
Operand 1
Code
DA
M
N
0
7 8
11
12
13 15 16
31
Direct addressing - Operand
1
=
2
bytes
71
Indexed by
XR-1 -
Operand
1
=
1
byte
81
Indexed by
XR-2 -
Operand 1
=
1 byte
1110
Device address line printer (E)
0
M-bit is not used - a zero is preferred.
5203
000
Load form leng_th. One b_y_te for each carria_g_e.
Printer
100
Select line printer image address register
110
Select line printer data address register
Note: All other N codes invalid.
1111
Device address MFCU (F)
I]
0
Normal mode
5424
1
Diagnostic mode
_
_,
MFCU
100
MFCU print address register
101
MFCU read address register
110
MFCU punch address re_glster
Note: All other N codes invalid
1010
Device address disk drive 1 TAl
5444
Device address disk drive 2
(Bl
Disk
0
M-bit not used
011
Diagnostic CE
100
DFDR
110
DFCR
Note: All other N codes invalid.
0001
Device address keyboard ( 1)
0
000
M and N must be zero.
5475
_1_
i
Data at operand
Data at operand 1
Keyboard
2/
3/
/9 /10
Address-1
Address
0
1
2 3
4
5
6
7
0
1 2
3
4
5 6
7
5/
4
6/ /d
1
/13
Prog
Prog
T
T4
1
2
1 2 3
4
5 6
7
ID
8 9
10 11 12 13 14
ID
Indicator 1
Indicator 2
Figure 1-6. (Part 1 of 2) Load 1/0 (LIO) Instruction
5410 FEMM
(1/71)
1-7
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