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Old Dos.h file for Game/Graphics Program

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by jaysonabas

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Hello everyone! My question for yall is this, does anyone remember the old "dos.h" file? It contained functions for Assembly/Processor Registers (in my case Intel/80x86).

Most older game programming books refer to it, but the new "dos.h" is actually a system-like file (ie. timer(); -ish functions).

I know of the _asm(); function to get to processor registers, some Assembly, and that protection modes need changing, but ---

I just want to know, is there like an "oldDos.h-like" file, configured for 98/XP, I'd like to avoid making one myself if I can.

Jay

BTW I'm using Visual C++ 6.0 on 80x86 processor.

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by miles.felton

I don't really know because I'd assumed that it was no longer possible to do things like access UARTS, PITs and PICs, screen RAM, etc. in ordinary programs. I thought these things had to be done by kernel mode code or by device drivers. There is a device driver kit from MS. Note that many things have stopped working on newer Wins - even the old Linux disk repartition util FIPS doesn't work anymore. However we are no longer limited to modern versions of Wins on modern PCs - we can use VMWare - avirtual machine program which will let you instal and run all the old ones (if you have copies).

by jackofalltech

Just about any C compiler written for Win3.1 will have the DOS.H file you need. Although the program probably won't work too well under Windows (any version 9x+). If you don't have such a compiler, go to www.borland.com and download their free TC2.01 (I think).

Ralph

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