Turbo C++ is an Integrated Development Environment (IDE) specifically developed for C++ programming. Specifically, the program version 3, which has garnered a reputation for being the most stable version out of them all. That fact has pushed modern developers to find a way to make this old IDE accessible on modern Windows systems. Even though such old IDE platforms were surpassed over the years by more capable software development tools, the Borland app still has its uses today. Before the arrival of modern graphically-based software development environments, all the major applications were created inside DOS-based environments. To make compatibility even better, the latest versions of the app fully support both 32-bit and 64-bit operating systems. Win386 is also fairly obscure on the web but Open Watcom's C/C++ Programmer's Guide ( pguide.pdf) spends just over a quarter of its length on it, right after spending about the same number of pages on how to write DOS applications using DOS/4GW.It carries with it all the previously praised features and toolsets found in Borland Turbo C++ for PC but has managed to completely eliminate nearly all of the previously present incompatibility issues that prevented the use of the native version of this IDE tool on modern Windows editions. It also offers a redistributable FPU emulation driver for Windows in case you want to use the inlined floating point optimization that prevents your program from switching in emulated versions internally.) ![]() so it's similar to Win32s, but built into your application. (Mainly customized Windows API headers and a bi-directional thunking layer that's as automatic as they could make it. That aside, Watcom's Win386 doesn't just allow protected mode applications (a la a DPMI host), it also provides a bunch of helper functionality (like a DPMI extender) to make writing 32-bit applications on a 16-bit platform more comfortable. This resulted in the Watcom C/C++ 10.0 compiler being relatively popular until Windows 95 was released and became the mainstream Windows OS.Īlso, given that none of my references for Windows 3.1 APIs mention it, I think it may be specific to Windows 3.11, which limits its utility. All Microsoft had at the time was an example assembly "thunk" program for using one function provided by winmem32. However, only Watcom C/C++ 10.0 fully supported winmem32 as one of it's standard memory models with a 32 bit flat address space, hiding all of the 16/32 bit interface stuff from the programmer. Unlike win23s which was installed separately, winmem32 was included with Window 3.11, and it also provided a 32 bit flat address space (for systems with 80386 or later processors). ![]() ![]() (I'm not sure how far back in time you'll have to go to find a Win16 build of the installer, but you can install the Win16 tools using the DOS installer and then manually set up the relevant bits of config.)
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