Your program unchanged... shows vertical bars only on the first left 1/3 of the screen in VirtualBox. Both VBOXVGA and VBOXSVGA.
The change _XRES16COLOR works fine. Note that the Allegro does not seems to use true truecolors... but making a palette that simulate true color: https://linux.die.net/man/3/generate_332_palette https://linux.die.net/man/3/extruec https://github.com/msikma/allegro-4.2.2-xc/blob/master/examples/extruec.c Also this contains the correct PCX files (I believe, not tested): https://github.com/msikma/allegro-4.2.2-xc/blob/master/examples/allegro.pcx https://github.com/msikma/allegro-4.2.2-xc/blob/master/examples/mysha.pcx _______________________________________________ Freedos-devel mailing list Freedos-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-devel
