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ESC ?
Format:
ASCII code:
ESC ?
Decimal:
27 63
Hexadecimal: 1B 3F
Explanation:
Reassign Graphics Mode
(s) (n)
(s)
(n)
(s) (n)
Change one graphics mode to another. The mode s is the ASCII
code for the character K, L, Y, or Z which is reassigned to a mode
O-6 as in the ESC * command. Details of the modes are given in
Chapter 9.
ESC A
Select 9-Pin Graphics Mode
Format:
ASCII code:
ESC
^ (m) (n1) (n2) (data1)(data2) . . . (data(d))
Decimal:
27
94 (m) (n1) (n2) (data1)(data2) . . .
(data(d))
Hexadecimal:
1B
5E (m) (n1) (n2) (data1)(data2) . . .
(data(d))
Explanation:
Turns on Y-Pin Graphics Mode. The variable m defines density
of print
(0
for single and
1
for double) and d is the total number
of dots required. nl and n2 are calculated thus:
nl=d MOD 256 and n2=INT (d/256).
and are followed by two times d data bytes. The printer expects
two data items for each column of print.
Miscellaneous Codes
CR
Format:
ASCII code:
CR
Decimal:
13
Hexadecimal: 0D
Carriage Return
Explanation:
Prints the data in the buffer and returns the print position to
the left margin. A line feed may also be added if either 2-3 is
ON or the AUTO PEED XT line on the parallel printer interface
is held Low.
C-23