Int 10/AH=12h/BL=37h

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VIDEO - XGA - MAINFRAME INTERACTIVE SUPPORT

AH = 12h
BL = 37h
AL = text attribute type (00h normal VGA, 01h mainframe type)

Return:
AL = 12h if supported

See Also: #00026 - AH=08h - #00042

Bitfields for XGA mainframe type character attributes: Bit(s) Description (Table 00026) 7 blink double rate (75% ON time) or use color 8 as background. (see AX=1003h) 6 reverse video 5 underlined 4 left-most and right-most dots of underline area inverted 3 foreground intensity/character font select 2-0 foreground color

See Also: #00014 - #00036

Category: Video - Int 10h - V

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