Control Data Cyber 170 State Hardware Reference Manual page 218

System Console Programming
System Console Programming
Keyboard
A PP transmits function code 70208 to request data from the keyboard of the
system console. The PP then activates the input channel and inputs one
character from the keyboard. This character enters as the lower 6 bits of the
word; the upper bits are cleared. There is no status report by the keyboard.
Table 5-9 lists the keyboard character codes.
Data Display
Data is displayed within an 8- by 11-inch area of a cathode-ray tube
(CRT).
The display can be in character mode (alphanumeric) and/or dot mode (graphic).
Two presentation areas (left and right) are displayed. Each is made up of 262
144 dot locations arranged in a 512- by 512-dot format. Each dot position is
determined by the intersection of X and Y coordinates. The lower left corner
dot
i s
octal address X16000 and YR7000, and the upper right corner dot is octal
address X16777 and Y=7777. An optional CC 634B system console is available.
Refer to the hardware reference manual listed in the preface for additional
information regarding this terminal.
Character Mode
In character mode, three sizes are provided. Large characters are arranged
in
a 32- by 32-dot format with 1 6 characters per line. Medium characters are
arranged id a 16- by 16-dot format with 32 characters per line. Small
characters are arranged in an 8- by 8-dot format with 64 characters per line.
Table 5-10 lists the display character codes.