#include <rtl.h>
#include <portio.h>
-int kbhit(void)
-{
- REGS Regs;
-
- // Int 16h AH=01h
- // KEYBOARD - CHECK FOR KEYSTROKE
- //
- // AH = 01h
- // Return:
- // ZF set if no keystroke available
- // ZF clear if keystroke available
- // AH = BIOS scan code
- // AL = ASCII character
- Regs.b.ah = 0x01;
- Int386(0x16, &Regs, &Regs);
-
- if (Regs.x.eflags & I386FLAG_ZF)
- {
- return 0;
- }
-
- return 1;
-}
-
-int getch(void)
-{
- REGS Regs;
- static BOOL ExtendedKey = FALSE;
- static char ExtendedScanCode = 0;
-
- // If the last time we were called an
- // extended key was pressed then return
- // that keys scan code.
- if (ExtendedKey)
- {
- ExtendedKey = FALSE;
- return ExtendedScanCode;
- }
-
- // Int 16h AH=00h
- // KEYBOARD - GET KEYSTROKE
- //
- // AH = 00h
- // Return:
- // AH = BIOS scan code
- // AL = ASCII character
- Regs.b.ah = 0x00;
- Int386(0x16, &Regs, &Regs);
-
- // Check for an extended keystroke
- if (Regs.b.al == 0)
- {
- ExtendedKey = TRUE;
- ExtendedScanCode = Regs.b.ah;
- }
-
- // Return keystroke
- return Regs.b.al;
-}
-
-int getyear(void)
-{
- REGS Regs;
- U16 Digit1;
- U16 Digit2;
- U16 Cent1;
- U16 Cent2;
- U16 Year;
-
- // Some BIOSes, such es the 1998/07/25 system ROM
- // in the Compaq Deskpro EP/SB, leave CF unchanged
- // if successful, so CF should be cleared before
- // calling this function.
- __asm__ ("clc");
-
- // Int 1Ah AH=04h
- // TIME - GET REAL-TIME CLOCK DATE (AT,XT286,PS)
- //
- // AH = 04h
- // CF clear to avoid bug
- // Return:
- // CF clear if successful
- // CH = century (BCD)
- // CL = year (BCD)
- // DH = month (BCD)
- // DL = day (BCD)
- // CF set on error
- Regs.b.ah = 0x04;
- Int386(0x1A, &Regs, &Regs);
-
- /* Convert from BCD to normal */
- Digit1 = Regs.b.cl & 0x0F;
- Digit2 = ((Regs.b.cl >> 4) & 0x0F) * 10;
- Cent1 = Regs.b.ch & 0x0F;
- Cent2 = ((Regs.b.ch >> 4) & 0x0F) * 10;
-
- Year = Cent1 + Cent2;
- Year *= 100;
- Year += Digit1 + Digit2;
-
- return Year;
-}
-
-int getday(void)
-{
- REGS Regs;
- U16 Digit1;
- U16 Digit2;
-
- // Some BIOSes, such es the 1998/07/25 system ROM
- // in the Compaq Deskpro EP/SB, leave CF unchanged
- // if successful, so CF should be cleared before
- // calling this function.
- __asm__ ("clc");
-
- // Int 1Ah AH=04h
- // TIME - GET REAL-TIME CLOCK DATE (AT,XT286,PS)
- //
- // AH = 04h
- // CF clear to avoid bug
- // Return:
- // CF clear if successful
- // CH = century (BCD)
- // CL = year (BCD)
- // DH = month (BCD)
- // DL = day (BCD)
- // CF set on error
- Regs.b.ah = 0x04;
- Int386(0x1A, &Regs, &Regs);
-
- /* Convert from BCD to normal */
- Digit1 = Regs.b.dl & 0x0F;
- Digit2 = ((Regs.b.dl >> 4) & 0x0F) * 10;
-
- return (Digit1 + Digit2);
-}
-
-int getmonth(void)
-{
- REGS Regs;
- U16 Digit1;
- U16 Digit2;
-
- // Some BIOSes, such es the 1998/07/25 system ROM
- // in the Compaq Deskpro EP/SB, leave CF unchanged
- // if successful, so CF should be cleared before
- // calling this function.
- __asm__ ("clc");
-
- // Int 1Ah AH=04h
- // TIME - GET REAL-TIME CLOCK DATE (AT,XT286,PS)
- //
- // AH = 04h
- // CF clear to avoid bug
- // Return:
- // CF clear if successful
- // CH = century (BCD)
- // CL = year (BCD)
- // DH = month (BCD)
- // DL = day (BCD)
- // CF set on error
- Regs.b.ah = 0x04;
- Int386(0x1A, &Regs, &Regs);
-
- /* Convert from BCD to normal */
- Digit1 = Regs.b.dh & 0x0F;
- Digit2 = ((Regs.b.dh >> 4) & 0x0F) * 10;
-
- return (Digit1 + Digit2);
-}
-
-int gethour(void)
-{
- REGS Regs;
- U16 Digit1;
- U16 Digit2;
-
- // Some BIOSes leave CF unchanged if successful,
- // so CF should be cleared before calling this function.
- __asm__ ("clc");
-
- // Int 1Ah AH=02h
- // TIME - GET REAL-TIME CLOCK TIME (AT,XT286,PS)
- //
- // AH = 02h
- // CF clear to avoid bug
- // Return:
- // CF clear if successful
- // CH = hour (BCD)
- // CL = minutes (BCD)
- // DH = seconds (BCD)
- // DL = daylight savings flag (00h standard time, 01h daylight time)
- // CF set on error (i.e. clock not running or in middle of update)
- Regs.b.ah = 0x02;
- Int386(0x1A, &Regs, &Regs);
-
- /* Convert from BCD to normal */
- Digit1 = Regs.b.ch & 0x0F;
- Digit2 = ((Regs.b.ch >> 4) & 0x0F) * 10;
-
- return (Digit1 + Digit2);
-}
-
-int getminute(void)
-{
- REGS Regs;
- U16 Digit1;
- U16 Digit2;
-
- // Some BIOSes leave CF unchanged if successful,
- // so CF should be cleared before calling this function.
- __asm__ ("clc");
-
- // Int 1Ah AH=02h
- // TIME - GET REAL-TIME CLOCK TIME (AT,XT286,PS)
- //
- // AH = 02h
- // CF clear to avoid bug
- // Return:
- // CF clear if successful
- // CH = hour (BCD)
- // CL = minutes (BCD)
- // DH = seconds (BCD)
- // DL = daylight savings flag (00h standard time, 01h daylight time)
- // CF set on error (i.e. clock not running or in middle of update)
- Regs.b.ah = 0x02;
- Int386(0x1A, &Regs, &Regs);
-
- /* Convert from BCD to normal */
- Digit1 = Regs.b.cl & 0x0F;
- Digit2 = ((Regs.b.cl >> 4) & 0x0F) * 10;
-
- return (Digit1 + Digit2);
-}
-
-int getsecond(void)
-{
- REGS Regs;
- U16 Digit1;
- U16 Digit2;
-
- // Some BIOSes leave CF unchanged if successful,
- // so CF should be cleared before calling this function.
- __asm__ ("clc");
-
- // Int 1Ah AH=02h
- // TIME - GET REAL-TIME CLOCK TIME (AT,XT286,PS)
- //
- // AH = 02h
- // CF clear to avoid bug
- // Return:
- // CF clear if successful
- // CH = hour (BCD)
- // CL = minutes (BCD)
- // DH = seconds (BCD)
- // DL = daylight savings flag (00h standard time, 01h daylight time)
- // CF set on error (i.e. clock not running or in middle of update)
- Regs.b.ah = 0x02;
- Int386(0x1A, &Regs, &Regs);
-
- /* Convert from BCD to normal */
- Digit1 = Regs.b.dh & 0x0F;
- Digit2 = ((Regs.b.dh >> 4) & 0x0F) * 10;
-
- return (Digit1 + Digit2);
-}
-
void beep(void)
{
sound(700);
projects / reactos.git / blobdiff