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The C Users' Group Library 1994 August
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wc-cdrom-cusersgrouplibrary-1994-08.iso
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vol_300
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315_01
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mous_sys.c
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1990-05-16
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/* mous_sys.c is a function to support the Microsoft mouse for people */
/* who have mouse.sys but not mouse.lib. Its use assumes that mouse.sys */
/* has been installed at boot-up. Written 8/89 by T Clune. Written for */
/* and Copyright (c) 1989 by Eye Research Institute, Boston MA. All rights */
/* reserved. NOTE WELL: Does not support mouse calls that return values */
/* in registers SI and DI, but mouselib.c makes no such call. */
#include <dos.h>
/* cmousel() is the mouse software interrupt call. It's name and type */
/* are used to make them identical to the mouse.lib call. */
int cmousel(a, b, c, d)
int *a, *b, *c, *d;
{
union REGS regs;
regs.x.ax= *a;
regs.x.bx= *b;
regs.x.cx= *c;
regs.x.dx= *d;
int86(0x33, ®s, ®s);
*a= regs.x.ax;
*b= regs.x.bx;
*c= regs.x.cx;
*d= regs.x.dx;
return 0; /* well, it IS int, after all. */
}