Pro-face PL-5910 Series, User Manual

Page: 117 / 184

Chapter 8 - Using MS-DOS
PL-5910 Series User Manual
8-13
" 1 ", 0x31, /* Function Sheet 1 */
" 2 ", 0x32, /* Function Sheet 2 */
" 3 ", 0x33, /* Function Sheet 3 */
" 4 ", 0x34, /* Function Sheet 4 */
" 5 ", 0x35, /* Function Sheet 5 */
" 6 ", 0x36, /* Function Sheet 6 */
" 7 ", 0x37, /* Function Sheet 7 */
" 8 ", 0x38, /* Function Sheet 8 */
" 9 ", 0x39, /* Function Sheet 9 */
" 0 ", 0x30, /* Function Sheet 0 */
" . ", 0x2e, /* Function Sheet . */
" + ", 0x2b, /* Function Sheet + */
"B S", 0x08, /* Function Sheet BS */
"ENT", 0x0d, /* Function Sheet ENT*/
0, 0
};
union REGS inregs, outregs;
/*************/
/* BUZZER ON */
/*************/
void buzzer_on(void)
{
int timer;
outp (CTRL8253, 0xb6);
outp (D2, 0x33);
outp (D2, 0x05);
/* Length of buzzer sounding */
outp (CTRL8042, ((inp(CTRL8042) | 0x3) & 0xff) /* Buzzer On */
for (timer = 0 ; timer<BEEP_TIME; timer++);
}