Int 10/AX=1003h

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VIDEO - TOGGLE INTENSITY/BLINKING BIT (Jr, PS, TANDY 1000, EGA, VGA)

AX = 1003h
BL = new state
00h background intensity enabled
01h blink enabled
BH = 00h to avoid problems on some adapters

Return:
Nothing

Notes: Although there is no function to get the current status on adapters prior to the VGA, bit 5 of 0040h:0065h indicates the state; on the VGA, use AH=1Bh and check offset 2Dh of the returned data (see #00040). When configured for a monochrome display, the Boca Research Multi-EGA with ROM v M1.1 Type D has its screen disrupted if BH is not clear. This call is reported to be "Get Cursor Position" on the Tandy 1000SL/TL

See Also: AH=08h - AH=1Bh

Category: Video - Int 10h - V

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