[comp.lang.pascal] VGA & EGA starting address

kamal@wpi.WPI.EDU (Kamal Z Zamli) (12/26/90)

I'm curios about the starting address for VGA & EGA... Is it the same as CGA
($B800:0000) ? < please correct me if i'm wrong>

thanks

einstein@cs.mcgill.ca (Michael CHOWET) (12/28/90)

In article <1990Dec25.195831.17453@wpi.WPI.EDU> kamal@wpi.WPI.EDU 
(Kamal Z Zamli) writes:

>I'm curios about the starting address for VGA & EGA... Is it the same as CGA
>($B800:0000) ? < please correct me if i'm wrong>


  Nope. Try $A000:$0000. That's the starting address for VGA, EGA, probably
MCGA.

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dmurdoch@watstat.waterloo.edu (Duncan Murdoch) (12/29/90)

In article <1990Dec25.195831.17453@wpi.WPI.EDU> kamal@wpi.WPI.EDU (Kamal Z Zamli) writes:
>I'm curios about the starting address for VGA & EGA... Is it the same as CGA
>($B800:0000) ? < please correct me if i'm wrong>

Yes, it's $B800 in text modes and the CGA graphics modes.  In the other modes
it's $A000.  A good source of information on this stuff is Ralf Brown's 
interrupt list, available in lots of places as INTRxxx.ZIP.

Duncan Murdoch