X-Hacker.org- Ralf Brown's Interrupt List (Part 1,2) - int 21 - attachmate extra

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INT 21 - Attachmate Extra - GET HOST WINDOW CURSOR POSITION
        AH = A5h
        AL = window number (1-4=host B-E)
Return: BX = cursor position (80 * row + column, where 0:0 is upper left)
Note:   if the host window is configured with the Extended Attribute (EAB)
          feature, multiply the cursor position by 2 to obtain the byte offset
          into the display buffer
SeeAlso: AH=A4h

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