Minesweeper - LCOM 2011/2012

#include <minix/syslib.h>

#include <minix/drivers.h>

int speaker_ctrl(unsigned char on) {

        char val= inportb(SPEAKER_CTRL);

        if (on==0)

        {

                outportb(SPEAKER_CTRL, val | SPEAKER_ENABLE );

        }

        else

                outportb(SPEAKER_CTRL, val & ~SPEAKER_ENABLE );

        return 0;

        }

int speaker_timer_ctrl(unsigned char on) {

        char val= inportb(SPEAKER_CTRL);

        if (on==0)

        {

                outportb(SPEAKER_CTRL, val | TIMER2_ENABLE );

        }

        else

                outportb(SPEAKER_CTRL, val & ~TIMER2_ENABLE );

        return 0;

        }

}