I found the problem: some dos program edited my autoexec.bat and added SHARE.EXE /L:500 /F:5100 rem this line and now stargunner not hangs anymore Sorry for your time.

I use dosbox under win10 20h2 64bit I tested stargunner v1.0b & v1.1 with 16MB RAM, S3 video card and SB16 (7-1-5 irq) dosbox r4113 (from https://dosboxece.yesterplay.net/download/index.php#archive ) is ok dosbox r4114 (autocompiled) is ok dosbox r4115 (autocompiled) is ok dosbox r4116 - r4166 (from …

Stargun use PMODE/W DOS extender and, in dosbox svn 4406 is not working anymore. I compiled with gcc 4.6.1 and 8.0.1. Dosbox 74.0.3 is ok.

In visual studio S_ISDIR (a posix function) throw an error. You must define it: #ifndef S_ISDIR #define S_ISDIR(m) (((m)&S_IFDIR)==S_IFDIR) #endif

diff -Nru dosbox/src/gui/sdlmain.cpp dosbox/src/gui/sdlmain.cpp --- dosbox/src/gui/sdlmain.cpp 2015-10-22 15:01:38.000000000 +0200 +++ dosbox/src/gui/sdlmain.cpp 2015-10-17 04:39:09.000000000 +0200 @@ -1969,6 +1969,8 @@ */ putenv(const_cast ("SDL_DISABLE_LOCK_KEYS=1")); #endif + char center_env[] = …

I found this code to center SDL window from http://www.cplusplus.com/forum/general/106823/ I try in sdl_gui.cpp before SDL_SetVideoMode but isn't working. Where can i add this code in DOSBOX source ? Thanks for hints. char center_env[] = "SDL_VIDEO_CENTERED=center"; SDL_putenv(center_env);

You're right. I use cutemouse driver. I try to compile using serial.c and serial.h from PCEm 8.1 and it works again.

I compiled PCEm 6579fed92118 on Bitbucket repository, but Windows 3.11 not load anymore. It hangs on copyright screen. PCEm 8.1 stable works very good Configuration: AMI WinBIOS 486 Number Nine 9FX (S3 Trio64) Intel i486DX/33 Cache A bit Fast VLB/PCI Sound Blaster 16 8 Mega RAM