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- Add midnight/next day increment

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- Add date and time commands (functionality limited)

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3715
This commit is contained in:
Ralf Grillenberger 2011-06-05 18:28:00 +00:00
parent 1887b2590b
commit a5ee614503
5 changed files with 218 additions and 26 deletions
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42
src/ints/bios.cpp
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@ -30,6 +30,8 @@
#include "mouse.h"
#include "setup.h"
#include "serialport.h"
#include <time.h>
#include <sys/timeb.h>
/* if mem_systems 0 then size_extended is reported as the real size else
@ -311,7 +313,8 @@ static Bitu INT1A_Handler(void) {
case 0x00: /* Get System time */
{
Bit32u ticks=mem_readd(BIOS_TIMER);
reg_al=0; /* Midnight never passes :) */
reg_al=mem_readb(BIOS_24_HOURS_FLAG);
mem_writeb(BIOS_24_HOURS_FLAG,0); // reset the "flag"
reg_cx=(Bit16u)(ticks >> 16);
reg_dx=(Bit16u)(ticks & 0xffff);
break;
@ -371,9 +374,45 @@ static Bitu INT11_Handler(void) {
#ifndef DOSBOX_CLOCKSYNC
#define DOSBOX_CLOCKSYNC 0
#endif
static void BIOS_HostTimeSync() {
/* Setup time and date */
struct timeb timebuffer;
ftime(&timebuffer);
struct tm *loctime;
loctime = localtime (&timebuffer.time);
/*
loctime->tm_hour = 23;
loctime->tm_min = 59;
loctime->tm_sec = 45;
loctime->tm_mday = 28;
loctime->tm_mon = 2-1;
loctime->tm_year = 2007 - 1900;
*/
dos.date.day=(Bit8u)loctime->tm_mday;
dos.date.month=(Bit8u)loctime->tm_mon+1;
dos.date.year=(Bit16u)loctime->tm_year+1900;
Bit32u ticks=(Bit32u)(((double)(
loctime->tm_hour*3600*1000+
loctime->tm_min*60*1000+
loctime->tm_sec*1000+
timebuffer.millitm))*(((double)PIT_TICK_RATE/65536.0)/1000.0));
mem_writed(BIOS_TIMER,ticks);
}
static Bitu INT8_Handler(void) {
/* Increase the bios tick counter */
Bit32u value = mem_readd(BIOS_TIMER) + 1;
if(value >= 0x1800B0) {
// time wrap at midnight
mem_writeb(BIOS_24_HOURS_FLAG,mem_readb(BIOS_24_HOURS_FLAG)+1);
value=0;
}
#if DOSBOX_CLOCKSYNC
static bool check = false;
if((value %50)==0) {
@ -1079,6 +1118,7 @@ public:
size_extended=IO_Read(0x71);
IO_Write(0x70,0x31);
size_extended|=(IO_Read(0x71) << 8);
BIOS_HostTimeSync();
}
~BIOS(){
/* abort DAC playing */