Category : C Source Code
Archive   : SST110.ZIP
Filename : SSTMOUSE.C

 
Output of file : SSTMOUSE.C contained in archive : SST110.ZIP
/* ------------------------------------------------------------------------ */
/* sstmouse.c */
/* low-level mouse routines */
/* */
/* CopyRight (C) 1991,1992 Steven Lutrov. All rights reserved. */
/* ------------------------------------------------------------------------ */

#include
#include
#include
#include

#include "sstwin.h"

/* ------------------------------------------------------------------------ */
/* local function prototypes */
/* ------------------------------------------------------------------------ */

static void near mouse (int m1,int m2,int m3,int m4);


/* ------------------------------------------------------------------------ */
/* global variables */
/* ------------------------------------------------------------------------ */

static union REGS regs;

/* ------------------------------------------------------------------------ */
/* main mouse interrupt routine used by other functions */
/* ------------------------------------------------------------------------ */
static void near mouse(int m1,int m2,int m3,int m4)
{
regs.x.dx = m4;
regs.x.cx = m3;
regs.x.bx = m2;
regs.x.ax = m1;
int86(MOUSE, ®s, ®s);
}

/* ------------------------------------------------------------------------ */
/* reset the mouse */
/* ------------------------------------------------------------------------ */
void msreset(void)
{
mouse(0,0,0,0);
}

/* ------------------------------------------------------------------------ */
/* test to see if the mouse driver is installed */
/* ------------------------------------------------------------------------ */
int msinstalled(void)
{
unsigned char far *ms;
ms = MK_FP(peek(0, MOUSE*4+2), peek(0, MOUSE*4));
return (SCREENWIDTH <= 80 && ms != NULL && *ms != 0xcf);
}

/* ------------------------------------------------------------------------ */
/* return true if mouse buttons are pressed */
/* ------------------------------------------------------------------------ */
int mspressed(void)
{
if (msinstalled())
mouse(3,0,0,0);
return regs.x.bx & 3;
}

/* ------------------------------------------------------------------------ */
/* return mouse coordinates */
/* ------------------------------------------------------------------------ */
void msgetpos(int *x, int *y)
{
if (msinstalled()) {
mouse(3,0,0,0);
*x = regs.x.cx/8;
*y = regs.x.dx/8;
if (SCREENWIDTH == 40)
*x /= 2;
}
}

/* ------------------------------------------------------------------------ */
/* position the mouse cursor */
/* ------------------------------------------------------------------------ */
void mssetpos(int x, int y)
{
if (msinstalled()) {
if (SCREENWIDTH == 40)
x *= 2;
mouse(4,0,x*8,y*8);
}
}

/* ------------------------------------------------------------------------ */
/* display the mouse cursor */
/* ------------------------------------------------------------------------ */
void msshow(void)
{
if (msinstalled())
mouse(1,0,0,0);
}

/* ------------------------------------------------------------------------ */
/* hide the mouse cursor */
/* ------------------------------------------------------------------------ */
void mshide(void)
{
if (msinstalled())
mouse(2,0,0,0);
}

/* ------------------------------------------------------------------------ */
/* return true if a mouse button has been released */
/* ------------------------------------------------------------------------ */
int msreleased(void)
{
if (msinstalled())
mouse(6,0,0,0);
return regs.x.bx;
}

/* ------------------------------------------------------------------------ */
/* set mouse travel limits */
/* ------------------------------------------------------------------------ */
void mssettravel(int minx, int maxx, int miny, int maxy)
{
if (msinstalled()) {
if (SCREENWIDTH == 40) {
minx *= 2;
maxx *= 2;
}
mouse(7, 0, minx*8, maxx*8);
mouse(8, 0, miny*8, maxy*8);
}
}


  3 Responses to “Category : C Source Code
Archive   : SST110.ZIP
Filename : SSTMOUSE.C
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

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