EasyManua.ls Logo

IBM 5150 - Page 159

IBM 5150
393 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
Table
24.
Interrupt Control Functions
Interrupt
I D
Register
Interrupt
Set
and
Reset
Functions
Bit
2
Bit
1
Bit
0
0 0
1
1 1
0
1 0 0
0
1
0
0
0
0
Priority
Level
-
Highest
Second
Third
Fourth
Interrupt
Type
None
Receiver
Line
Status
Received
Data
Avail-
able
Transmitter
Holding
Reg-
ister
Empty
MODEM
Status
Interrupt
Interrupt
Source
Reset
Control
None
-
Overrun
Error
or
Parity
Error
Reading
the
or
Line
Status
Framing
Error
Register
or
Break
Interrupt
Receiver
Reading
the
Data
Avail-
Receiver
able
Buffer
Register
Reading
the
II
R
Register
Transmitter
(if
source
of
Holding
Reg-
interrupt)
ister
Empty
or
Writing
into
the
Trans-
mitter
Hold-
ing
Register
Clear
to
Send
or
Data
Set
Ready
or
Reading
the
Ring
Indicator
MODEM
Status
or
Register
Received
Line
Si
gna
I 0 etect
2-140

Table of Contents

Other manuals for IBM 5150

Related product manuals