Printronix ANSI Printer Ansi Evfu, Channel Control Codes Decimal Value Binary Value, Remarks

Chapter 3 ANSI EVFU

Each “channel control code” pair of bytes has the capability to indicate multiple channels since each channel indication has a unique bit position which is either ON - 1 or OFF - 0.

Table 23. Channel Control Codes

Decimal Value		Binary Value			ASCII	Remarks
				Character
1	2	1	2	1	2
64	64	1000000	1000000	@	@	Fillers
65	64	1000001	1000000	A	@	Channel 1
66	64	1000010	1000000	B	@	Channel 2
68	64	1000100	1000000	D	@	Channel 3
72	64	1001000	1000000	H	@	Channel 4
80	64	1010000	1000000	P	@	Channel 5
96	64	1100000	1000000	‘	@	Channel 6
64	65	1000000	1000001	@	A	Channel 7
64	66	1000000	1000010	@	B	Channel 8
64	68	1000000	1000100	@	D	Channel 9
64	72	1000000	1001000	@	H	Channel 10
64	80	1000000	1010000	@	P	Channel 11
64	96	1000000	1100000	@	‘	Channel 12

Table 24 is a sample program to load an EVFU table.

Table 24. Sample EVFU Loading Program

	Program Instruction	Remarks
1500	WIDTH “LPT1:”,255	Required by some BASIC languages to avoid
		auto LF at column 80
1510	LPRINT CHR$(27);“]!”;	Enables EVFU loading.
1520	LPRINT CHR$(65);CHR$(64);	Resets TOF, Channel 1. See Table 23.
1530	FOR I=1 TO 4	4 filler lines
1531	LPRINT CHR$(64);CHR$(64);
1532 NEXT I
1540	LPRINT CHR$(68);CHR$(64);	Selects Channel 3. See Table 23.
1550	FOR I=1 TO 18	18 filler lines
1551	LPRINT CHR$(64);CHR$(64);

1552 NEXT I

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