Tally Genicom Matrix Printer manual CSI 4 m CSI 21 m CSI 24 m, CSI n1n2nx m Example

Underline Mode ON (SGR)

Underline Double Mode

Underline Mode OFF

CSI 4 m CSI 21 m CSI 24 m

Data Structure ASCII	CSI	"4"	"m"		[A] underline mode ON	➊
hex.	9B	34	6D
dec.	155	52	109
ASCII	CSI	"2"	"1"	"m"	[A] underline double mode
hex.	9B	32	31	6D
dec.	155	50	49	109
ASCII	CSI	"2"	"4"	"m"	[A] underline mode OFF
hex.	9B	32	34	6D
dec.	155	50	52	109

Description ➊ All printed characters including spaces are automatically unerlined. Spaces between tab codes (HT) are underlined.

The sequence CSI 0 m resets all CSI...m-sequences!

A maximum of 16 CSI...m -sequences can be joined in one sequence, e.g. as follows:

CSI n1;n2;nx m

Example	10 REM		underline mode
	20	LPRINT	"the most ";
	30	LPRINT	CHR$(27);"[4m";
	40	LPRINT	"important";
	50	LPRINT	CHR$(27);"[24m";
	60	LPRINT	" word must be underlined."
	70	END

Character Styling 39