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MODIFYING THE
Z-AXIS OF THE
40Z4/Z5 TERMINAL:
Subroutine CZAXIS
5.2
Vectors on the 4014 or 4015 Terminal cannot only vary
in X and & position; they also vary in brightness and storage
properties. This type of variation is called the Z-axis
capability. The 4014/15 Terminal has three Z-axis capabilities
Normal Z-Axis - This is the same storage tube mode which is
available on the 4010 Terminal. The display
is bright and sharp. It is also stored on
the screen until it is erased by a call to
NEWPAG or ERASE (Sections 4.4 and 4.12).
Normal Z-axis is the default mode and is
used at all times unless a call to CZAXIS
is made.
Defocused Z-Axis - This mode is in all respects similar to
normal mode, except that the display is
results in broader lines and is slightly
brighter.
Enabled Write Through Mode - This mode allows a stored
display and refreshed information to coexist
on the Terminal screen. For example, the
user may wish to display a graph, yet add
moving vectors to the original graph. These
vectors must be refreshed.
CALLING SEQUENCE:
CALL CZAXIS (ICODE)
Parameter Entered:
ICODE - an integer from 0 through 3 calls
the Z-axis mode.
o-
normal Z-axis
1 - defocused Z-axis
2 - enabled write-through mode
5-2
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4010A01 User