Display Selection Commands - Control Data Corporation CYBER 170 Series Operator's Manual

The following keys are interpreted as control characters by
DIS.
Left blank (erase)
Clears current DIS keyboard entry and any
resultant error message; AUTO MODE (automatic
control statement processing) is also cleared.
BKSP (backspace)
Deletes last character displayed and clears error
message (if one exists).
CR (carriage return)
Initiates processing of an entered command.
The following keyboard messages may appear above the
type-in.
5-8
ILLEGAL ENTRY.
Command cannot be processed.
REPEAT ENTRY.
Command in control statement buffer is repeated
each time carriage return is pressed; cleared by
left blank key.
OUT OF RANGE.
Memory entry address is greater than the field
length ••
SYSTEM BUSY - DISK.
DIS
is
waiting for an overlay to be loaded from a
mass storage device.
. SYSTEM BUSY - PPU.
DIS is waiting for a PP to be assigned in order to
process a keyboard entry.
JOB ACTIVE.
Previous request not completed; command must
be reentered when job is not active.
AUTO MODE.
Control statement buffer is read automatically.
Automatic control statement processing can be
selected by the RCS command or by pressing the.
key.
DIRECT CPU INPUT.
N. command has been entered and all data entered
from the keyboard is being passed directly to
central memory.
DISPLAY SELECTION COMMANDS
Indicate the displays to be shown on the left and right
screens on the console with the following commands.
Follow the type-in with a carriage return.
xy.
Brings the x and y displays to the left and right
screens, respectively. Note that although all DIS
displays may appear on the left console screen,
only the B, C, D,N, T, and U displays may appear
on the right screen. If you attempt to bring any
other display to the right screen, the message
ILLEGAL CONTROL CARD is issued.
In
addition,
if . the letter. entered to select the left screen
display (x) is not a valid display identifier, the Z
display is selected automatically.
xZ,aaaaaa.
Brings specified memory display to the left
screen, if not currently selected, and provides
display modifications as follows:
x
Z
Display identifier (C, D, F, G, or M).
Type of display modifications:
z=O-3 Changes the specified
group to display the
eight words beginning
at location aaaaaa.
z=4
z=5
z=6
Changes the entire
display so that all four
eight-word groups are
32 contiguous locations
beginning at location
aaaaaa.
Advances the display by
aaaaaa locations.
Decrements the display
by aaaaaa locations.
aaaaaa Location parameter.
x,addr.
If x specifies one of the central memory displays
(C, D, F, or G), addr is the bias address for the
managed table display.
SET,ssss ... s.
Sets the left screen display sequence; ssss ... s
consists of one to eight display identifiers.
Pressing the right blank (display) key after this
command is entered causes the first display to
appear on the left console screen. Pressing the
key again selects the second display. The next
display in the specified sequence appears on the
left screen each time the right blank key is
pressed, for example, SET, ACFDH.
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