FontLibC font in a .asm file

myfont.asm

	section .text
	assume adl = 1
; Exposes the _myfont symbol for other source code files to see.
	public _myfont

; Note the underscore prefix on the name.  This is required for linking with C
; code.
_myfont:
; FONT METADATA
; Code Page = ASCII
	db	0 ; font format version
	db	14 ; height
	db	2 ; glyph count, if you have 256 glyphs this would be 0 not 256 (a 0-glyph font is considered invalid)
	db	01Bh ; first codepoint
	dl	myfont_widthsTable - myfont ; offset to widths table
	dl	myfont_bitmapsTable - myfont ; offset to bitmaps offsets table
	db	0 ; italics space adjust
	db	0 ; suggested blank space above
	db	0 ; suggested blank space below
	db	128 ; weight (boldness/thinness)
	db	8 ; style field
; These allow for vertical alignment of different fonts.
	db	0 ; capital height
	db	3 ; lowercase x height
	db	7 ; baseline height
myfont_widthsTable: ; start of widths table
	db	11	; Code point 1B: Square root symbol
	db	7	; Code point 1C: Less-than-equal-to symbol
myfont_bitmapsTable: ; start of table of offsets to bitmaps
; Subtract 0 for a glyph 3 bytes wide.
; Subtract 1 for a glyph 2 bytes wide.
; Subtract 2 for a glyph 1 byte wide.
; This weirdness allows a small optimization in FontLibC.
	dw	myfont_glyph_1B - myfont - 1
	dw	myfont_glyph_1C - myfont - 2
myfont_glyph_1B:	; Code point 1B: Square root symbol
; Bitmap data are left-aligned. 
; For a glyph 1 byte wide, use db.
; For a glyph 2 bytes wide, use dw.
; For a glyph 3 bytes wide, use dl.
	dw	0000000000000000b
	dw	0000000011000000b
	dw	0000000011000000b
	dw	0000000110000000b
	dw	0000000110000000b
	dw	0000000110000000b
	dw	0000001100000000b
	dw	1110001100000000b
	dw	1110001100000000b
	dw	0011011000000000b
	dw	0011011000000000b
	dw	0001110000000000b
	dw	0001110000000000b
	dw	0000000000000000b
myfont_glyph_1C:	; Code point 1C: Less-than-equal-to symbol
	db	00000000b
	db	00000000b
	db	00000000b
	db	00000000b
	db	00011100b
	db	01110000b
	db	11000000b
	db	01110000b
	db	00011100b
	db	00000000b
	db	11111100b
	db	00000000b
	db	00000000b
	db	00000000b

myfont.h

#ifndef MYFONT_H
#define MYFONT_H

#include <fontlibc.h>

extern "C" const fontlib_font_t *myfont;

#endif