Example evfu loading program – Genicom GEK 00031B User Manual

Page 74

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Chapter 3. Printronix P300/P600 Emulation

GEK-00029B

74

Example EVFU Loading Program

▪

Using standard CENTRONICS parallel interface with 36-pin
connector and P Series protocol.

▪

Using the channel code chart without the PI lead.

▪

This program loads the EVFU table with channel stops at lines 6,

25, 57, and 66.

▪

Set the printer as follows:

▪

GenPtrOpts | Group 2 | Strap 8 OUT to deactivate coded
SELECT/DESELECT operation.

▪

Set up vertical format emulation (VFU)

PROGRAM INSTRUCTION

REMARKS

1500

WIDTH "LPT1:". 255

Required by some BASIC languages to
avoid auto LF at column 80

1510

LPRINT CHR$(30);

Selects SL channel.

1520

LPRINT CHR$(16);

Selects TOF. Channel 1 1530 FOR 1=1 to 4

1530

FOR I-1 to 4

1531

LPRINT CHR$(17);

1532

NEXT 1

Selects Channel 2 for 4 filler lines

1540

LPRINT CHR$(18);

Selects Channel 3 (for line 6 printing)

1550

FOR 1=1 to 18

1551

LPRINT CHR$(17);

1552

NEXT I

Selects Channel 2 for 18 filler lines

1560

LPRINT CHR$(19);

Selects Channel 4 (for line 25 printing)

1570

FOR 1=1 to 31

1571

LPRINT CHR$(17);

1572

NEXT I

Selects Channel 2 for 31 filler lines

1580

LPRINT CHR$(20);

Selects Channel 5 (for line 57 printing)

1590

FOR 1=1 to 8

1591

LPRINT CHR$(17);

1592

NEXT I

Selects Channel 2 for 8 filler lines

1600

LPRINT CHR$(21);

Selects Channel 6 (for line 66 printing)

1610

LPRINT CHR$(31);

Selects EL Channel

1620

END

A start load RS code immediately followed by a stop load US code will
clear the EVFU table. The BASIC code to do this follows

10 LPRINT CHR$(30);
20 LPRINT CHR$(31);

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