Thread: haw to write a pixel in mode 0x101

  1. #1
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    Oct 2009
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    Question haw to write a pixel in mode 0x101

    Good morning Srs.

    sorry i put this in wrong place

    I have check by a vesa card
    then i have fill a stuct
    vbeGetModeInfo(0x101,&ModeInfo)
    and vbeSetMode(0x101);
    now i set some bytes in video memory lyke
    _fmemset(far*ptr,val,len)

    but i just see the screen all black

    and i dont figure out why

    can some one give me a idea??

    thanks good day to you

    Code:
    void main(){
    	  short oldmode=0;
    	  vbeInfo info;
    	  vbeModeInfo modeInfo;
    	  if(vbeGetInfo(&info)){
    		  if(memcmp(info.vesa,"VESA",4)==0){
    				 vbePrintInfo(&info);
    				 getch();
    				 if(vbeGetModeInfo(0x101,&modeInfo)){
    						vbeGetMode(&oldmode);
    						vbeSetMode(0x101);
    						_fmemset(MK_FP(0xa000,0),0x15,20);
    				 }
    		  }else printf("Not Vesa\n");
    	  }else printf("Error\n");
    		getch();
    		if(oldmode)vbeSetMode(oldmode);
    }
    Last edited by joseCarlos; 10-27-2009 at 02:19 AM. Reason: sorry, i put this in wrong place

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