buffer
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... data, the other with the input. (See Fig. 1)
These two programs exchange data through a pool of buffers, and
logical information through an interface table.
...
... user's (or caller, or party) requests and filling up the pool of
buffers so as to keep the handler busy emitting.
Multiplexing ...
... ASCII characters.
* _fills_ the buffers of the pool with the content of the
messages.
...
... hardware unit. It initiates the
emission, eventually provides data chaining between the
buffers, tests the different device status upon receiving an
interrupt.
...
... II-3 Buffers and Interface Table. ...
... II-3-1 Buffers. ...
... text + heading and marking (1006 + 4 = 1010 bytes).
Consequently the buffer size could be chosen equal to 256 words (1024
bytes). As for the buffer number it will determine the link ...
... Consequently the buffer size could be chosen equal to 256 words (1024
bytes). As for the buffer number it will determine the link
utilization frequency -
...
... [Length] of the message
contained
in the buffer
^
|
...
... |
+--------------+----------+
| Buffer addr. | nb bytes |
+--------------+----------+
| | | <== Filling pointer
...
... | |
+--------------+----------+
| Buffer addr. | nb bytes | <== eEtracting pointer
+--------------+----------+ |
| Buffer ...
... Buffer addr. | nb bytes | <== eEtracting pointer
+--------------+----------+ |
| Buffer addr. | nb bytes | V
+--------------+----------+
...