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SW2F4
1
SWl Fl is ready for a new character
0
SWl Fl is not ready for a new character.
Scan Word 3
SW3Fl is set by the hardware when SW3F2 receives a full character as defined by SW2F3.
The data bits will be in the following positions:
5-level code in positions 2-6. Positions 7-9 are O.
6-level code in positions 2-7. Positions 8-9 are 0.
7-level code in positions 2-8. Position 9 is 0.
8-level code in positions 2-9.
SW3F3
Receive Character Flag
SW3F2
The character which is in the process of
being received.
The character is being
put together in this field.
SW3Fl
The last character recelved
x
18
17
10
9
2
1
SW3F2 is controlled entirely by hardware and requires no program control.
'SW3F3 is set by the hardware when the new received character is transferred from SW3F2 to
SW3Fl.
It
is reset by the program after the new character is removed from SW3Fl. SW3Fl
does not have to be changed by the program.
SW3F3
1
SW3Fl has a new character
0
SW3Fl does not have a new character.
Scan Word Locations in Memory
The three scan words per line are located in memory as follows.
@&u&~~uCJ ~@------------
V-15
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