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MAKRAM -- LP20 Translation RAM Generation Program
MAKRAM generates character translation RAM files for the LP20
line-printer controller. This RAM is loadable under program control and
has 256 13-bit words, one for each code in an 8-bit character set. It
allows the action of single characters to be modified before being
printed. MAKRAM commands allow the modification of an implied default
RAM, which translates all characters to their normal printing action.
For more information on the implied RAM, see MAKRAM.DOC.
ARROW-MODE (FOR CHARACTER CODE) <octal number> Causes the specified
control character to be printed as "^<character>", where
<character> is the corresponding alphabetic character.
DELIMITED-TRANSLATE (CHARACTER CODE) <octal number> (TO) <object> Causes
the specified character to be translated to the specified
object when preceded by a DELIMITER-CHARACTER. See the
EXIT (FROM MAKRAM) Returns control to Exec Command Level.
HELP (WITH MAKRAM) Types this text.
LOWER-CASE (OUTPUT) Causes the lower-case character codes (140 to 176
octal) to be printed without translation. This is the default
mode, and should be specified only for 96 character printers.
NUMBER-OF-DATA-BITS (IS) <decimal number> Selects the character code
size used by the printer, with 128 codes available with 7 data
bits and 256 codes with 8 data bits. The default is 7 data
OUTPUT (TO RAM FILE) <file spec> Writes the generated RAM data to the
specified file. This command must be the last command given.
Any commands following the output command will be lost.
TRANSLATE (CHARACTER CODE) <octal number> (TO) <object> Causes the
specified character to be printed as the specified object.
DELIMITER-CHARACTER (WITH) <other object> Specifies that this is a
DELIMITER-CHARACTER (see the DELIMITED-TRANSLATE
command). Note that specifying DELIMITER-CHARACTER
implies translation of the character in either
DELIMITED-TRANSLATE or TRANSLATE mode. Any other
object may also be specified, the default being
NO-ACTION Specifies that the character will cause no printing.
SLEW <decimal number> (LINES) Causes the printer to slew the specified
number of lines, which must be in the range 0 to 15.
VFU-CHANNEL <decimal number> Causes the printer to advance to the next
hole in the specified channel of the vertical format
tape (or mark in the case of a Direct Access VFU).
Channel number must be in the range 1 to 12.
<octal number> Causes the character to be translated to the specified
UPPER-CASE (OUTPUT ONLY) Causes the lower-case character codes (140 to
176 octal) to be translated to the corresponding upper-case
codes (100 to 136 octal). This should be specified for 64
[End of MAKRAM.HLP]