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I
Gemini User's Manual
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REMARKS:
This command enables the print head to shift n
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columns to the right. The value must be
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between 1 and 127. This does not change the
present horizontal tab.
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EXAMPLE:
LPRI NT CH R$(27);CH R$(98);CH R$(45)
... shifts the print head 45 columns to the
•
right.
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COMMANDS USED TO CONTROL GRAPHICS
PURPOSE:
Print low-resolution (normal-density) graphics.
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FORMAT:
ESC "K" n1 n2 m1 m2 . ..
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CHR$(27) CHR$(75) CHR$(n1) CHR$(n2)
CHR$(m1) CHR$(m2) ...
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REMARKS:
This command selects the 60-dots-per-inch,
column-scan, bit-image graphics mode. The
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number of columns to be printed is given by n1
+
256
*
n2. There must be n1
+
256
*
n2
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characters following n2. These characters
determine which pins are fired according to the
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explanation found in Chapter 6 for dot
graphics.
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PURPOSE:
Print high-resolution (double-density) graphics.
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FORMAT:
ESC "L" n1 n2 m1 m2 . ..
CHR$(27) CHR$(76) CHR$(n1) CHR$(n2)
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CHR$(m1) CHR$(m2) ...
REMARKS:
This command selects the 120-dots-per-inch
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graphics mode. See remarks for the ESC
"K" ... code for additional details.
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PURPOSE:
Print high-resolution (double-density) graphics
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with double speed_
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FORMAT:
ESC "y" n1 n2 m1 m2 ...
CHR$(27) CHR$(121) CHR$(n1) CHR$(n2)
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CHR$(m1) CHR$(m2) ...
136
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