[comp.lang.pascal] Detection of LCD type screens

LISTVIR%USACHVM1.BITNET@cunyvm.cuny.edu (Gonzalo M. Rojas Costa) (02/26/91)

Hi

   How I can detect, via software, if a computer have an LCD or CRT
screen ?

   Thanks in advance


Gonzalo M. Rojas Costa
Admin of TRICKLE@USACHVM1
Owner of ASSMPC-L and EMULPC-L lists
Member of Antiviral Research Group
Technical Support Unit
Computer Service Department
University of Santiago de Chile

amead@s.psych.uiuc.edu (alan mead) (02/26/91)

Although I don't know anyway to detect an LCD screen, you can probably
detect a laptop.  I've never programmed anything for a laptop, but the
"computer's signature byte" is at $FFFF:$FFFE. $FF - $F8 are desktops.
Compaq uses it's own system, $9A is a Compaq Plus.

Hope this helps.

-alan mead : amead@s.psych.uiuc.edu