Subject: [pleh] djgfx linear VBE2 example code problems

I'm totaly new to protected mode and was trying to work through the example code from the DJGFX doc but keep getting GPF's. I think the problem is with the code for copy_buffer2:     

    void copy_buffer2(void)
    {

        movedata( _my_ds(), doublebuffer,
                  our_global_selector, videoptr,
                  width*height );

doublebuffer == malloc(width*height)
videoptr == (unsigned char *)0x0 // I tried the linear_address too

I set up our_global_selector thusly:         

    short our_global_selector = __dpmi_allocate_ldt_descriptors(1);     __dpmi_set_segment_base_address( our_global_selector,

                                     linear_address);
    

What needs to change ? What am I doing wrong ?

Thanks,

mlarch_at_fred.net Received on Sun Apr 21 1996 - 00:00:00 CEST