showcmos.c
来源:互联网 发布:电力系统谐波仿真软件 编辑:程序博客网 时间:2024/04/28 11:23
<iframe name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-5572165936844014&dt=1194442938015&lmt=1194190197&format=336x280_as&output=html&correlator=1194442937843&url=file%3A%2F%2F%2FC%3A%2FDocuments%2520and%2520Settings%2Flhh1%2F%E6%A1%8C%E9%9D%A2%2FCLanguage.htm&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=FFFFFF&color_border=FFFFFF&ad_type=text&ga_vid=583001034.1194442938&ga_sid=1194442938&ga_hid=1942779085&flash=9&u_h=768&u_w=1024&u_ah=740&u_aw=1024&u_cd=32&u_tz=480&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"></iframe> #include <stdio.h>
#include <stdlib.h>
#include <dos.h>
void main(void)
{
struct CMOS
{
unsigned char current_second;
unsigned char alarm_second;
unsigned char current_minute;
unsigned char alarm_minute;
unsigned char current_hour;
unsigned char alarm_hour;
unsigned char current_day_of_week;
unsigned char current_day;
unsigned char current_month;
unsigned char current_year;
unsigned char status_registers[4];
unsigned char diagnostic_status;
unsigned char shutdown_code;
unsigned char drive_types;
unsigned char reserved_x;
unsigned char disk_1_type;
unsigned char reserved;
unsigned char equipment;
unsigned char lo_mem_base;
unsigned char hi_mem_base;
unsigned char hi_exp_base;
unsigned char lo_exp_base;
unsigned char fdisk_0_type;
unsigned char fdisk_1_type;
unsigned char reserved_2[19];
unsigned char hi_check_sum;
unsigned char lo_check_sum;
unsigned char lo_actual_exp;
unsigned char hi_actual_exp;
unsigned char century;
unsigned char information;
unsigned char reserved3[12];
} cmos;
char i;
char *pointer;
char byte;
pointer = (char *) &cmos;
for (i = 0; i < 0x34; i++)
{
outportb(0x70, i);
byte = inportb(0x71);
*pointer++ = byte;
}
printf("Current date %d/%d/%d/n", cmos.current_month,
cmos.current_day, cmos.current_year);
printf("Current time %d:%d:%d/n", cmos.current_hour,
cmos.current_minute, cmos.current_second);
printf("Hard disk type %d/n", cmos.fdisk_0_type);
}