Skip to content

W
wine-winehq
Commit 02c67f31 authored by Jukka Heinonen's avatar Jukka Heinonen Committed by Alexandre Julliard
Browse files
Options

Make int1a BIOS ticks be equal to BIOS segment ticks.

Fix bugs in int1a subfunctions.
parent cc9005d0
Hide whitespace changes
Inline Side-by-side
Showing with 90 additions and 86 deletions
dlls/winedos/int1a.c
View file @ 02c67f31
......@@ -19,106 +19,110 @@
*/
#include "config.h"
#include "wine/port.h"
#include <time.h>
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <stdlib.h>
#include "winternl.h"
#include "miscemu.h"
#include "wine/debug.h"
#include "dosexe.h"
WINE_DEFAULT_DEBUG_CHANNEL(int);
#define BCD_TO_BIN(x) ((x&15) + (x>>4)*10)
#define BCD_TO_BIN(x) ((x&15) + (x>>4)*10)
#define BIN_TO_BCD(x) ((x%10) + ((x/10)<<4))
/**********************************************************************
* INT1A_GetTicksSinceMidnight
*
* Return number of clock ticks since midnight.
*/
DWORD INT1A_GetTicksSinceMidnight(void)
{
LARGE_INTEGER time;
TIME_FIELDS tf;
NtQuerySystemTime( &time );
RtlSystemTimeToLocalTime( &time, &time );
RtlTimeToTimeFields( &time, &tf );
return ((tf.Hour * 3600 + tf.Minute * 60 + tf.Second) * 18206 / 1000 +
tf.Milliseconds * 1000 / 54927);
}
/**********************************************************************
* DOSVM_Int1aHandler (WINEDOS16.126)
* DOSVM_Int1aHandler
*
* Handler for int 1ah
* 0x00 - 0x07 - date and time
* 0x?? - 0x?? - Microsoft Real Time Compression Interface
* Handler for int 1ah.
*/
void WINAPI DOSVM_Int1aHandler( CONTEXT86 *context )
{
time_t ltime;
DWORD ticks;
struct tm *bdtime;
switch(AH_reg(context))
{
case 0x00:
ticks = INT1A_GetTicksSinceMidnight();
SET_CX( context, HIWORD(ticks) );
SET_DX( context, LOWORD(ticks) );
SET_AX( context, 0 ); /* No midnight rollover */
TRACE("int1a: AH=00 -- ticks=%ld\n", ticks);
break;
case 0x02:
ltime = time(NULL);
bdtime = localtime(&ltime);
SET_CX( context, (BIN_TO_BCD(bdtime->tm_hour)<<8) |
BIN_TO_BCD(bdtime->tm_min) );
SET_DX( context, (BIN_TO_BCD(bdtime->tm_sec)<<8) );
case 0x04:
ltime = time(NULL);
bdtime = localtime(&ltime);
SET_CX( context, (BIN_TO_BCD(bdtime->tm_year/100)<<8) |
BIN_TO_BCD((bdtime->tm_year-1900)%100) );
SET_DX( context, (BIN_TO_BCD(bdtime->tm_mon)<<8) |
BIN_TO_BCD(bdtime->tm_mday) );
break;
/* setting the time,date or RTC is not allow -EB */
case 0x01:
/* set system time */
case 0x03:
/* set RTC time */
case 0x05:
/* set RTC date */
case 0x06:
/* set ALARM */
case 0x07:
/* cancel ALARM */
break;
case 0xb0: /* Microsoft Real Time Compression */
switch AL_reg(context)
{
case 0x01:
/* not present */
break;
default:
INT_BARF(context, 0x1a);
}
break;
default:
INT_BARF( context, 0x1a );
case 0x00: /* GET SYSTEM TIME */
{
BIOSDATA *data = BIOS_DATA;
SET_CX( context, HIWORD(data->Ticks) );
SET_DX( context, LOWORD(data->Ticks) );
SET_AL( context, 0 ); /* FIXME: midnight flag is unsupported */
TRACE( "GET SYSTEM TIME - ticks=%ld\n", data->Ticks );
}
break;
case 0x01: /* SET SYSTEM TIME */
FIXME( "SET SYSTEM TIME - not allowed\n" );
break;
case 0x02: /* GET REAL-TIME CLOCK TIME */
TRACE( "GET REAL-TIME CLOCK TIME\n" );
{
SYSTEMTIME systime;
GetLocalTime( &systime );
SET_CH( context, BIN_TO_BCD(systime.wHour) );
SET_CL( context, BIN_TO_BCD(systime.wMinute) );
SET_DH( context, BIN_TO_BCD(systime.wSecond) );
SET_DL( context, 0 ); /* FIXME: assume no daylight saving */
RESET_CFLAG(context);
}
break;
case 0x03: /* SET REAL-TIME CLOCK TIME */
FIXME( "SET REAL-TIME CLOCK TIME - not allowed\n" );
break;
case 0x04: /* GET REAL-TIME CLOCK DATE */
TRACE( "GET REAL-TIME CLOCK DATE\n" );
{
SYSTEMTIME systime;
GetLocalTime( &systime );
SET_CH( context, BIN_TO_BCD(systime.wYear / 100) );
SET_CL( context, BIN_TO_BCD(systime.wYear % 100) );
SET_DH( context, BIN_TO_BCD(systime.wMonth) );
SET_DL( context, BIN_TO_BCD(systime.wDay) );
RESET_CFLAG(context);
}
break;
case 0x05: /* SET REAL-TIME CLOCK DATE */
FIXME( "SET REAL-TIME CLOCK DATE - not allowed\n" );
break;
case 0x06: /* SET ALARM */
FIXME( "SET ALARM - unimplemented\n" );
break;
case 0x07: /* CANCEL ALARM */
FIXME( "CANCEL ALARM - unimplemented\n" );
break;
case 0x08: /* SET RTC ACTIVATED POWER ON MODE */
case 0x09: /* READ RTC ALARM TIME AND STATUS */
case 0x0a: /* READ SYSTEM-TIMER DAY COUNTER */
case 0x0b: /* SET SYSTEM-TIMER DAY COUNTER */
case 0x0c: /* SET RTC DATE/TIME ACTIVATED POWER-ON MODE */
case 0x0d: /* RESET RTC DATE/TIME ACTIVATED POWER-ON MODE */
case 0x0e: /* GET RTC DATE/TIME ALARM AND STATUS */
case 0x0f: /* INITIALIZE REAL-TIME CLOCK */
INT_BARF( context, 0x1a );
break;
case 0xb0:
if (CX_reg(context) == 0x4d52 &&
DX_reg(context) == 0x4349 &&
AL_reg(context) == 0x01)
{
/*
* Microsoft Real-Time Compression Interface (MRCI).
* Ignoring this call indicates MRCI is not supported.
*/
TRACE( "Microsoft Real-Time Compression Interface - not supported\n" );
}
else
{
INT_BARF(context, 0x1a);
}
break;
default:
INT_BARF( context, 0x1a );
}
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment