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murutil.zip
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DATTIM.PAS
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Pascal/Delphi Source File
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1986-02-26
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3KB
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133 lines
{$P512,D-}
PROGRAM DATTIM;
{ This program displays the current date and time.
Program by Harry M. Murphy, 22 February 1986. }
TYPE
DATESTRING = STRING[28];
TIMESTRING = STRING[6];
VAR
CLOCK: TIMESTRING;
TODAY: DATESTRING;
FUNCTION DATE: DATESTRING;
{ This function returns today's date as a DateString of up
to 28 bytes, such as: "Tuesday, 18 February 1986".
Note: TYPE DATESTRING = STRING[28];
Procedure adapted from the Turbo Pascal date example by
Harry M. Murphy, 18 February 1986. }
TYPE
REGPAK = RECORD
AX,BX,CX,DX,BP,SI,DI,DS,ES,FL: INTEGER
END;
VAR
ID,IM,IW,IY,JC,JD,JM,JY: INTEGER;
REG: REGPAK;
DAY: STRING[2];
DTE: DATESTRING;
YEAR: STRING[4];
BEGIN
WITH REG DO
BEGIN
AX:=$2A00;
MSDOS(REG);
IY:=CX;
IM:=HI(DX);
ID:=LO(DX)
END;
JY:=IY; JM:=IM-2;
IF JM < 1 THEN BEGIN JM:=JM+12; JY:=JY-1 END;
JC:=JY DIV 100; JD:=JY-100*JC;
IW:=((ID+42+(13*JM-1) DIV 5 +JD+JD DIV 4+JC DIV 4-2*JC) MOD 7);
CASE IW OF
0: DTE:='Sunday, ';
1: DTE:='Monday, ';
2: DTE:='Tuesday, ';
3: DTE:='Wednesday, ';
4: DTE:='Thursday, ';
5: DTE:='Friday, ';
6: DTE:='Saturday, '
END { CASE };
STR(ID:2,DAY); STR(IY:4,YEAR);
CASE IM OF
1: DTE:=DTE+DAY+' January '+YEAR;
2: DTE:=DTE+DAY+' February '+YEAR;
3: DTE:=DTE+DAY+' March '+YEAR;
4: DTE:=DTE+DAY+' April '+YEAR;
5: DTE:=DTE+DAY+' May '+YEAR;
6: DTE:=DTE+DAY+' June '+YEAR;
7: DTE:=DTE+DAY+' July '+YEAR;
8: DTE:=DTE+DAY+' August '+YEAR;
9: DTE:=DTE+DAY+' September '+YEAR;
10: DTE:=DTE+DAY+' October '+YEAR;
11: DTE:=DTE+DAY+' November '+YEAR;
12: DTE:=DTE+DAY+' December '+YEAR
END { CASE };
DATE:=DTE
END {Function DATE};
FUNCTION TIME: TIMESTRING;
{ This function returns the current clock time as a TimeString
of 6 bytes, such as: "19:05h".
Note: TYPE TIMESTRING = STRING[6];
Procedure adapted from the Turbo Pascal date example by
Harry M. Murphy, 19 February 1986. }
TYPE
REGPAK = RECORD
AX,BX,CX,DX,BP,SI,DI,DS,ES,FL: INTEGER
END;
VAR
H,M,S,T: INTEGER;
HR: STRING[2];
MN: STRING[2];
REG: REGPAK;
BEGIN
WITH REG DO
BEGIN
AX:=$2C00;
MSDOS(REG);
H:=HI(CX);
M:=LO(CX);
S:=HI(DX);
T:=LO(DX)
END;
IF T > 50 THEN S:=S+1;
IF S > 30 THEN M:=M+1;
IF M = 60
THEN
BEGIN
H:=H+1;
M:=0;
IF H = 24 THEN H:=0
END;
STR(H:2,HR);
STR(M:2,MN);
IF MN[1]=' ' THEN MN[1]:='0';
TIME:=HR+':'+MN+'h'
END {Function TIME};
BEGIN { Program DATTIME}
CLOCK:=TIME;
TODAY:=DATE;
LOWVIDEO;
WRITELN(CLOCK,', ',TODAY)
END.