Int 10 Fn 1100 - Video - Text-mode Chargen - Load User-specified Pattern [V]
AX = 1100h
ES:BP -> user table
CX = count of patterns to store
DX = character offset into map 2 block
BL = block to load in map 2
BH = number of bytes per character pattern
Return: nothing
Notes: This function will cause a mode set, completely resetting
the video environment, but without clearing the video buffer
the current block specifiers may be determined with INT 10/AH=1Bh,
looking at offsets 2Bh and 2Ch of the returned data (VGA only)
(see AH=1Bh,#0038)
See Also: AX=1101h,AX=1102h,AX=1103h,AX=1104h,AX=1110h,AH=1Bh,AX=CD10h