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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