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ESC Y
Select High-speed Doubledensity Graphics Mode
Format:
ASCII code: ESC
Y (n1) (n2)
Decimal: 27 89 (n1) (n2)
Hexadecimal: 1B 59 (n1) (n2)
Comments:
Turns on high-speed double-density graphics mode with 960 possi-
ble dot positions per eight-inch line and 1632 per 13.6-inch line. Will
not print consecutive dots in a row.
If d is the total number of columns required,
n1 = d MOD 256
n2 = INT(d / 256)
This command must be followed by d data numbers.
ESC Z
Select Quadruple-density Graphics Mode
Format:
ASCII code: ESC
Z (n1) (n2)
Decimal: 27
90 (n1) (n2)
Hexadecimal: 1B
5A (n1) (n2)
Comments:
Turns on quadruple-density graphics mode with 1920 possible dot
positions per eight-inch line and 3264 per 13.6-inch line. Will not
print consecutive dots in a row.
If d is the total number of columns required,
n1 = d MOD 256
n2 = INT(d / 256)
This command must be followed by d data numbers.
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