Tandy 1400LT Service Manual page 273

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IW3 (Initialization Word 3) Masler Mode
1
Slave
A0
Di
De
Ds
D4
D3
DZ
Di
Do
INTP Input is a Slave
0
IW3 (Initialization Word 3) Slave Mode
0
0
0
0
SNz
SNi
SNo
A0
I n t e r r u p t
1
Di
DE
D5
D d
D3
Dz
Di
Do
Vector Mode
Select
0
I
Slave Number
CALL Mode
IW4 (Initialization Word 4)
4
L o d e
1
1
1
4
1
Self-FI Mo de
0
I
FI Command Mode
-r
s e l e c t
1
I
1
I
Buffer Mo de Master
1
0
Buffer Mod e Slave
Extended
Nest
1
Extended Nest Mode
0
Normal Nest Mode
BUF
I
F V
I
-
B u f f e r
Mode
1
0
I
.
X
I
.
Non-Buffer Mode
F-4

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