Hi Bruce. Your project sounds interesting. If for any reason the image you found does not serve, take a look at the ultimate boot cd. www.ultimatebootcd.com I cannot say if any of the tools will do more than what you have found, but they might. Karen
On Mon, 26 Nov 2012, bruce.bowman tds.net wrote: > I'll try to answer some of the questions here. > > My program is a fairly simple role-playing game. It was originally written > in Turbo C for DOS, and reads/writes to disk using DOS (not BIOS) calls. It > runs in 256 palletized colors on a 640x480 console. While running, it > frequently reads image files off disk, and for that reason won't fit on (or > reliably run from) a floppy. I want to share it with friends such that all > they have to do is insert a CD and boot up. Asking them to load emulators, > other shells or OSs, or otherwise follow intimidating instructions won't > meet my objectives. > > Having said that, I've tried DosBox, just for my own purposes. My program > runs very slowly in it, no matter what settings I use; and for some reason > the graphics palette does not get reset properly. I've downloaded VM too, > but haven't tried that yet, and for reasons already mentioned I probably > won't. > > The DFSee CD image that someone else recommended looks like something I can > modify for my purposes. I've already booted off of that and confirmed that > the game runs well...here at home, anyway. And it seems to detect and do > i/o on my FAT32 partition just fine. NTFS? I'll worry about that later. > > Floppy disks? I realizing I'm backtracking by using DOS instead of a GUI, > but am loath to go all the way to 80s technology. A bootable thumb drive, > though, intrigues me -- because I can write to it. But how do you make it > show up? If I stick one in a USB port and restart, my BIOS menu doesn't > show it as a drive. A boot image that requires a loader before it's seen by > the BIOS sounds like a real chicken-or-egg problem. > > Thanks to everyone for your suggestions. If I go silent and unresponsive > for a day or two it's because I'm either modifying that CD image...or maybe > even doing something in real life. > > Regards, > Bruce > > > On Sun, Nov 25, 2012 at 2:29 PM, Rugxulo <rugx...@gmail.com> wrote: > >> Hi, >> Just for clarity, since I am not exactly sure what you meant, >> >> On Sat, Nov 24, 2012 at 9:28 PM, bruce.bowman tds.net >> <bruce.bow...@tds.net> wrote: >>> >>> I have an old DOS program that I wrote and still want to run, but it uses >>> VESA 3.0 SVGA graphics, which are not [fully] supported by later >> versions of >>> Windoze.* To make matters worse, the program writes to disk during >>> operation, and no modern computer has FAT16 partitions anymore. >> >> Who is the target of this program? You? Other? WinXP only? Native DOS? >> Or just anybody with a PC? >> >> IIRC, VESA 3 didn't add much to the standard (refresh rates?). Is that >> what you meant? Or did you really mean LFB (VESA 2)? >> >> Does your program *have* to run atop FAT? Does it write to the hard >> disk directly? Or just it just use normal DOS (file) calls? >> >> Regarding porting to DirectX (or SDL) or whatever, what was the app >> written in? You could probably switch pretty easily if you used Turbo >> Pascal or Turbo C. Heck, even Allegro would probably simplify things >> (if you still wanted partial DOS support). >> >> I'm not exactly sure why you "seem" to want to run natively instead of >> emulated. DOSBox supports VESA, and VirtualBox can (sometimes) work >> (VT-X!). DOSEMU ain't too shabby either for gfx. But if you're trying >> to run under WinXP explicitly (or worse, anything newer, sigh), you're >> probably barking up the wrong tree. :-( >> >> >> ------------------------------------------------------------------------------ >> Monitor your physical, virtual and cloud infrastructure from a single >> web console. Get in-depth insight into apps, servers, databases, vmware, >> SAP, cloud infrastructure, etc. Download 30-day Free Trial. >> Pricing starts from $795 for 25 servers or applications! >> http://p.sf.net/sfu/zoho_dev2dev_nov >> _______________________________________________ >> Freedos-user mailing list >> Freedos-user@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/freedos-user >> > > > > -- > Sent from my meager, humble desktop computer. > ------------------------------------------------------------------------------ Monitor your physical, virtual and cloud infrastructure from a single web console. Get in-depth insight into apps, servers, databases, vmware, SAP, cloud infrastructure, etc. Download 30-day Free Trial. Pricing starts from $795 for 25 servers or applications! http://p.sf.net/sfu/zoho_dev2dev_nov _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user