5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #define RTC_REGISTER_A 0x0A
23 #define RTC_REG_A_UIP 0x80 /* Update In Progress bit */
25 #define BCD_INT(bcd) (((bcd & 0xf0) >> 4) * 10 + (bcd &0x0f))
28 HalpQueryCMOS(UCHAR Reg
)
33 WRITE_PORT_UCHAR((PUCHAR
)0x70, Reg
);
34 Val
= READ_PORT_UCHAR((PUCHAR
)0x71);
35 WRITE_PORT_UCHAR((PUCHAR
)0x70, 0);
41 XboxRTCGetCurrentDateTime(PULONG Year
, PULONG Month
, PULONG Day
, PULONG Hour
, PULONG Minute
, PULONG Second
)
43 while (HalpQueryCMOS (RTC_REGISTER_A
) & RTC_REG_A_UIP
)
50 *Second
= BCD_INT(HalpQueryCMOS(0));
54 *Minute
= BCD_INT(HalpQueryCMOS(2));
58 *Hour
= BCD_INT(HalpQueryCMOS(4));
62 *Day
= BCD_INT(HalpQueryCMOS(7));
66 *Month
= BCD_INT(HalpQueryCMOS(8));
70 *Year
= BCD_INT(HalpQueryCMOS(9));