Compatibility: EGA VGA
Expects: AX    1112H
BL    font block to load (EGA: 0-3; VGA: 0-7)
                                                                  
Returns: (none)
                                                                  
Info: Redefines the characters on EGA/VGA cards to use the 8-scanline-
high text-mode font, exactly as described for INT 10H 1102H,
except that it takes the additional steps needed to activate the
font.

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INT 10H 1112H: Load and Activate ROM 8x8 Character Set