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Graphics
Table D-13. Commands for Selecting Compatibility Mode
Command
Code
Turn scaled Compatibility Mode ON (P open)
Et
&
~
1
P 0
Q
Turn unsealed Compatibility Mode ON (0 open)
Et
&
~
0 P
1 Q
Turn scaled 4014 Mode ON (P open)
Et
&
!5
1
P 0
Q
Et •
t 1 D
Turn unsealed 4014 Mode ON (0 open)
~
&
~
o
P
1
Q
Et • t 1 D
Turn Compatibility Mode OFF (P, 0 closed)
Et
&
~
o
p 0
Q
The following commands set straps:
Set graphics input terminator strap
Ec • t <byte1>
a
o -
Carriage return only (Normal position)
1 -
Carriage return and EOT
2 -
No carriage return, no EOT
Set page full break strap
Ec • t <byte1> b
o -
Out (Normal position)
1 -
In
Set page full busy strap
Ec • t <byte1>
c
o -
Out (Normal position)
1 -
In
Set 4014 strap
Ec • t <byte1>
d
o -
Out (Normal Position)
1 -
In
NOP
z
GRAPHIC INPUT TERMINATOR. You can select the terminator sent by the terminal
following the input ofcursor address information. The terminator can be CR, CR and EOT, or no
terminator.
PAGE FULL BUSY. When this strap is in, the keyboard will be locked after the 35th line of
text is received from the computer. The terminal can be cleared by pressing the G.
CLEAR
key.
This strap is ignored in Unsealed Mode.
PAGE FULL BREAK. When this strap is in, the terminal will send a 200ms break signal to
the computer after the 35th line of text is displayed. The terminal may also be set to BUSY (see
Page Full Busy). When out, the strap will cause the cursor to home and the next 35 lines of text
to be set with a left margin at x
=
259. This strap is ignored in Unsealed Mode. The commands to
control these strap options are listed in table D-13. Refer to the manual for the Tektronix 4010
terminal for additional information on the operation of these straps and how they should be set.
D-47
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