I recently found my old laptop that has this installed, so I deleted it and redownloaded and started to code again using my old game as a kind of template. For now I just set the volume to 100 and just want a skycube/map.

Code:
#include <acknex.h>
#include <default.c>

function main()
{
        video_mode = 7;
	//make sound 100%
	sound_vol = 100;
	//load the map "small.hmp"
	level_load("small.hmp");
	//create skymap
	ent_createlayer("blood_gsmall+6.tga", SKY | CUBE | VISIBLE, 0);
}


But when ever I run it, it just displays a black screen.