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AH = 0Fh SI = F123h DI = 321Fh
Return:
AH = number of character columns AL = display mode (see #00010 at AH=00h) BH = active page (see AH=05h) SI = DI = F345h if installed
Notes: If mode was set with bit 7 set ("no blanking"), the returned mode will also have bit 7 set. EGA, VGA, and UltraVision return either AL=03h (color) or AL=07h (monochrome) in all extended-row text modes
See Also: AH=0Fh"VIDEO" - AH=4Bh"FRIEZE"
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