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Graphics
Note: See Chapter 6 for sample graphics programs.
ESC K
Select Single-density Graphics Mode
Format:
ASCII code: ESC
Decimal:
27
Hexadecimal: 1B
Comments:
K (n1) (n2)
75 (n1) (n2)
4B (n1) (n2)
Turns on single-density graphics mode with 480 possible dots per
eight-inch line and 816 per 13.6-inch line.
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 L
Select Double-density Graphics Mode
Format:
ASCII code:
ESC
Decimal :
27
Hexadecimal: 1B
Comments:
L (n1) (n2)
76 (n1) (n2)
4C (n1) (n2)
Turns on low-speed double-density graphics mode with 960 possi-
ble dots per eight-inch line and 1632 per 13.6-inch line.
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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