wcwang@iuvax.cs.indiana.edu (Bill Wang) (01/02/90)
Does anyone know how to get access to data ports in microsoft c,
The equivlent of Turbo Pascal or C's Port Array? Thanks in advance.
Bill Wang
US Mail = Psychology Department, Indiana University, Bloomington, IN 47405
UUCP = {rutgers, att, ames}!iuvax!wcwang
Internet = wcwang@iuvax.cs.indiana.edu
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Bill Wang
US Mail = Psychology Department, Indiana University, Bloomington, IN 47405
UUCP = {rutgers, att, ames}!iuvax!wcwang
Internet = wcwang@iuvax.cs.indiana.edunorsk@sequent.UUCP (Doug Thompson) (01/03/90)
In article <32255@iuvax.cs.indiana.edu> wcwang@iuvax.cs.indiana.edu (Bill Wang) writes: >Does anyone know how to get access to data ports in microsoft c, >The equivlent of Turbo Pascal or C's Port Array? Thanks in advance. MSC 5.1 has an optimizer switch that generates in-line IN and OUT instructions. Without the switch, the compiler generates calls to functions to do the work. I believe the declarations are (manual at home): int inb(int port); void outb( int port, char value); > >Bill Wang >US Mail = Psychology Department, Indiana University, Bloomington, IN 47405 >UUCP = {rutgers, att, ames}!iuvax!wcwang >Internet = wcwang@iuvax.cs.indiana.edu > -- Douglas Thompson UUCP: ..{tektronix,ogicse,uunet}!sequent!norsk Sequent Computer Systems Phone: (503) 526-5727 15450 SW Koll Parkway !"The scientist builds to learn;the engineer learns in Beaverton OR 97006 !order to build." Fred Brooks
fredex@cg-atla.UUCP (Fred Smith) (01/04/90)
In article <32255@iuvax.cs.indiana.edu> wcwang@iuvax.cs.indiana.edu (Bill Wang) writes: >Does anyone know how to get access to data ports in microsoft c, >The equivlent of Turbo Pascal or C's Port Array? Thanks in advance. > >Bill Wang Yes, this one is easy. Look in the manual for the pages on inp, inpw, outp, and outpw. These four routines provide interludes to the machine's port input and output instructions. Fred