Int 10H Function 1BH
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Description: Get Functionality/State Information [PS/2]
Obtains information about the current display mode, as well as a pointer
to a table describing the characteristics and capabilities of the video
adapter and monitor.
Input Output
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AH=1BH If function supported
BX=implementation type (always 00H) AL=1BH
ES:DI=segment:offset of 64-byte buffer and information placed in
caller's buffer (see Notes)
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