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CD ROM Paradise Collection 4
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CD ROM Paradise Collection 4 1995 Nov.iso
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MOUSE.C
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C/C++ Source or Header
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1994-08-19
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736b
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43 lines
/* Mouse Library */
#include <dos.h>
int mouse_init(void)
{
union REGS iReg, oReg;
void (interrupt far *int_handler)();
long vector;
unsigned char first_byte;
int_handler = _dos_getvect(0x33);
first_byte = *(unsigned char far *) int_handler;
vector = (long) int_handler;
if(( vector == 0) || (first_byte == 0xCF))
return 0;
iReg.x.ax = 0;
int86(0x33,&iReg,&oReg);
if( oReg.x.ax == 0xFFFF )
return 1;
else
return 0;
}
void mouse_call(int *m1, int *m2, int *m3, int *m4)
{
union REGS iReg, oReg;
iReg.x.ax = *m1;
iReg.x.bx = *m2;
iReg.x.cx = *m3;
iReg.x.dx = *m4;
int86(0x33,&iReg,&oReg);
*m1 = oReg.x.ax;
*m2 = oReg.x.bx;
*m3 = oReg.x.cx;
*m4 = oReg.x.dx;
}