video memory segment

 BBS: Inland Empire Archive
Date: 05-22-92 (17:07)             Number: 157
From: JOHN GALLAS                  Refer#: NONE
  To: MARK BUTLER                   Recvd: NO  
Subj: video memory segment           Conf: (2) Quik_Bas

MB>   On 05-17-92 John Gallas wrote to All...
MB>
MB>   JG> Is there a way that I can determine wether to use &HB000 or &HB800
MB>   JG> when doing stuff with the screen?  And also, how do I save and load
MB>   JG> screens with BSAVE and BLOAD?
MB>
MB>   This little function will do the trick...
MB>
MB>   FUNCTION CRT%
MB>      IF (PEEK(1040) AND 48) = 48 THEN
MB>          CRT = 0  '<-------- monochrome, use &HB000
MB>      ELSE
MB>          CRT = -1 '<-------- color, use &HB800
MB>      END IF
MB>   END FUNCTION

    I tried that on my monochrome monitor and it told me
that I had color. Then I ran my CGA simulator and it said
that I had monochrome.  So I think you have the two mixed
around, if the above statement is true, then it will be
mono else color.

--- ProBoard v1.21 [Reg]
 * Origin: The O-Zone BBS  612/591-7767  New Hope, MN (1:282/30.0)