Megabuild I think is for Visual Studio projects, my projects use Quickbasic from 1988 Thanks for comment Dominus

I have just checked the latest dosbox 0.74 for direct port calls from QuickBasic 4.5 from XP and port H378 did not respond to the out command. I have a cars ignition system wired to an old Toshiba Laptop 200 MMX runing QuickBasic 4.5 in win98 dos mode. Its been working since 2003 but my I am looking …