Downloading The EVFU (Using The PI Line)
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The following example illustrates the skip to channel command.
NOTE: Set the top-of-form first. When you execute the EVFU, the paper will
move to the top-of-form on the next page and then begin printing.
Downloading The EVFU (Using The PI Line)
The PI-EVFU is identical to the ESC sequence-EVFU, except for the EVFU
load and command sequences. The PI-EVFU is used exclusively with the
Dataproducts parallel interface option.
NOTE: The PI-line must be enabled in the interface menu.
Start load command:6C (hex) selects 6 LPI linespacing
6D (hex) selects 8 LPI linespacing
6E (hex) selects current linespacing
End load command:6F (hex)
The format of the two byte channel control code is shown in Table 27.
Table 26. Skip To Channel Example
Program Instruction Remarks Output
10 WIDTH LPT1:,255 Required by some BASIC
languages to avoid auto LF at
column 80
20 LPRINT CHR$(27);[0;1!p; Go to top of form (channel 1)
30 LPRINT TOP OF FORMPrint indicated words
40 LPRINT CHR$(27);[0;3!p; Go to channel 3
50 LPRINT LINE 6; Print indicated words
60 LPRINT CHR$(27);[0;4!p; Go to channel 4
70 LPRINT LINE 25; Print indicated words
80 LPRINT CHR$(27);[0;5!p; Go to channel 5
90 LPRINT LINE 57; Print indicated words
100 LPRINT CHR$(27);[0;8!p; Go to channel 8
110 LPRINT END OF FORM; Print indicated words
120 END
Table 27. Two Byte Channel Control Code Format
Bit Number 87654321
Channel Number xx654321
first byte xxyyyyyy