INT 10 - VIDEO - GRAPHICS-MODE CHARACTER GENERATOR FUNCTIONS (PS, EGA, VGA)
AH = 11h
AL = 20h: set user 8 by 8 graphics characters (INT 1F)
ES:BP -> user table
AL = 21h: set user graphics characters
ES:BP -> user table
CX    = bytes per character
BL    = row specifier
00h user set
DL = number of rows
01h 14 rows
02h 25 rows
03h 43 rows
AL = 22h: ROM 8 by 14 set
BL = row specifier (see above)
AL = 23h: ROM 8 by 8 double dot
BL = row specifier (see above)
AL = 24h: load 8x16 graphics characters (VGA/MCGA)
BL = row specifier (see above)
AL = 29h: load 8x16 graphics characters (Compaq Systempro)
BL = row specifier (see above)
Notes:  these functions are meant to be called only after a mode set
UltraVision v2+ sets INT 43 to the appropriate font for AL=22h,23h,24h,
and 29h
SeeAlso:  INT 43

See also: 1F

1011 - VIDEO - GRAPHICS-MODE CHARACTER GENERATOR FUNCTIONS (PS, EGA, VGA)