yea it works! thanks a million! You save my life!

The fact is I own the original B-disk 😀 Will it help if I share the program for anyone who can troubleshoot it?

any ways to make it work?

A newbie in programming here, I had encountered this grp5 illegal call 7 problem as I tried to run an old game developed by taiwanese company 1994 (the game is not tested by dosbox). The game is called DIF2, dosbox shows grp5 illegal call 7 while vdmsound is able to run it, however the speed will be …