Unit BleepInt; { Version 4.2 }{ Andy Preston - Apollo Developments, Swindon U.K. [email protected] HACKERS OF THE WORLD UNITE! HACKERS OF THE WORLD UNITE! HACKERS OF THE WORLD UNITE! HACKERS OF THE WORLD UNITE! How to make your Delphi programs bleep like FRACTINT! See Demo1.pas/Demo1.dfm or Bleepint.htm for details }InterfaceType TBleepType = (bOK, bInterrupt, bError);Procedure ShutUp; { Added to help counter the effects of DoBleep (Freq, -1). If you are producing a tone, & you want to stop without doing another Bleep, call this procedure }Procedure DoBleep (Freq : Word; MSecs : Integer); { Duration of -1 means bleep until the next bleep sent, or ShutUp is called }Procedure Bleep (BleepType : TBleepType);ImplementationUses {$IFDEF WIN32} Windows, {$ELSE} WinProcs, {$ENDIF} {$IFNDEF CONSOLE} Forms; {$ENDIF} { Michl Ladislav suggested removing the Forms unit from 32-bit Console Apps, saving 130K } { -- --- -- --- -- --- -- --- -- --- -- --- -- --- Assembler Bits for Wind 3.x And '95 -- --- -- --- -- --- -- --- -- --- }Procedure AsmShutUp; {$IFDEF WIN32} Pascal; {$ENDIF} Begin Asm In AL, $61 { Stop Bleeping } And AL, $FC Out $61, AL End; End;Procedure AsmBeep (Freq : Word); {$IFDEF WIN32} Pascal; {$ENDIF} Label Skip; Begin Asm Push BX In AL, $61 Mov BL, AL And AL, 3 Jne Skip Mov AL, BL Or AL, 3 Out $61, AL Mov AL, $B6 Out $43, AL Skip: Mov AX, Freq Out $42, AL Mov AL, AH Out $42, AL Pop BX End; End;{ -- --- -- --- -- --- -- --- -- --- -- --- -- --- Low Level Bits for Wind 3.x And '95 -- --- -- --- -- --- -- --- -- --- }Procedure HardBleep (Freq : Word; MSecs : Integer); Var { Changed FirstTickCount from LongInt to DWord to counter P.Satyanarayana's Delphi 4 Warning - see below } FirstTickCount : {$IFDEF WIN32} DWord {$ELSE} LongInt {$ENDIF}; Begin { Michl Ladislav pointed out that having a delay when the bleep freq is out of range is a waste of 'stuff' so I've added another BEGIN END } If (Freq>=20) And (Freq<=5000) Then Begin AsmBeep (Word (1193181 Div LongInt(Freq))); If MSecs>=0 Then Begin { P.Satyanarayana Get's a warning under Delphi 4 here 'Comparing signed and unsigned types - widened both operands' This should be cleared up by the fact that FirstTickCount is now a DWord under Win32 } FirstTickCount:=GetTickCount; { Michl Ladislav suggested changing the old WHILE DO to a REPEAT UNTIL so as to fit his modifications in easyer } Repeat { Michl Ladislav suggested removing the Forms unit from 32-bit Console Apps, saving 130K } {$IFNDEF CONSOLE} If MSecs>1000 Then Application.ProcessMessages; {$ENDIF} Until ((GetTickCount-FirstTickCount)>LongInt(MSecs)); AsmShutUp; End; End; End;{ -- --- -- --- -- --- -- --- -- --- -- --- -- --- -- --- Procedures for you to use -- --- -- --- -- --- -- --- -- --- -- --- }Procedure Bleep (BleepType : TBleepType); Begin Case BleepType of bOK: Begin DoBleep (1047,100); DoBleep (1109,100); DoBleep (1175,100); End; bInterrupt: Begin DoBleep (2093,100); DoBleep (1976,100); DoBleep (1857,100); End; bError: DoBleep (40,500); End; End;{$IFDEF WIN32} Var SysWinNT : Boolean; {$ENDIF}Procedure DoBleep (Freq : Word; MSecs : Integer); Begin {$IFDEF WIN32} If SysWinNT Then Windows.Beep (Freq, MSecs) Else {$ENDIF} HardBleep (Freq, MSecs); End;Procedure ShutUp; Begin {$IFDEF WIN32} If SysWinNT Then Windows.Beep (1, 0) Else {$ENDIF} AsmShutUp; End;{$IFDEF WIN32} Procedure InitSysType; Var VersionInfo : TOSVersionInfo; Begin VersionInfo.dwOSVersionInfoSize:=SizeOf (VersionInfo); GetVersionEx (VersionInfo); SysWinNt:=VersionInfo.dwPlatformID=VER_PLATFORM_WIN32_NT; End; Initialization InitSysType;{$ENDIF}End.
}InterfaceType
TBleepType = (bOK, bInterrupt, bError);Procedure ShutUp; { Added to help counter the effects of DoBleep (Freq, -1).
If you are producing a tone, & you want to stop without doing another Bleep, call this procedure }Procedure DoBleep (Freq : Word; MSecs : Integer); { Duration of -1 means bleep until the next bleep sent, or ShutUp is called }Procedure Bleep (BleepType : TBleepType);ImplementationUses
{$IFDEF WIN32} Windows, {$ELSE} WinProcs, {$ENDIF}
{$IFNDEF CONSOLE} Forms; {$ENDIF} { Michl Ladislav suggested removing the Forms unit from 32-bit Console Apps, saving 130K }
{ -- --- -- --- -- --- -- --- -- --- -- --- -- --- Assembler Bits for Wind 3.x And '95 -- --- -- --- -- --- -- --- -- --- }Procedure AsmShutUp; {$IFDEF WIN32} Pascal; {$ENDIF}
Begin
Asm
In AL, $61 { Stop Bleeping }
And AL, $FC
Out $61, AL
End;
End;Procedure AsmBeep (Freq : Word); {$IFDEF WIN32} Pascal; {$ENDIF}
Label
Skip;
Begin
Asm
Push BX
In AL, $61
Mov BL, AL
And AL, 3
Jne Skip
Mov AL, BL
Or AL, 3
Out $61, AL
Mov AL, $B6
Out $43, AL
Skip: Mov AX, Freq
Out $42, AL
Mov AL, AH
Out $42, AL
Pop BX
End;
End;{ -- --- -- --- -- --- -- --- -- --- -- --- -- --- Low Level Bits for Wind 3.x And '95 -- --- -- --- -- --- -- --- -- --- }Procedure HardBleep (Freq : Word; MSecs : Integer);
Var
{ Changed FirstTickCount from LongInt to DWord to counter P.Satyanarayana's Delphi 4 Warning - see below }
FirstTickCount : {$IFDEF WIN32} DWord {$ELSE} LongInt {$ENDIF};
Begin
{ Michl Ladislav pointed out that having a delay when the bleep freq is out of range is a waste of 'stuff' so I've added
another BEGIN END }
If (Freq>=20) And (Freq<=5000) Then Begin
AsmBeep (Word (1193181 Div LongInt(Freq)));
If MSecs>=0 Then Begin
{ P.Satyanarayana Get's a warning under Delphi 4 here 'Comparing signed and unsigned types - widened both operands'
This should be cleared up by the fact that FirstTickCount is now a DWord under Win32 }
FirstTickCount:=GetTickCount;
{ Michl Ladislav suggested changing the old WHILE DO to a REPEAT UNTIL so as to fit his modifications in easyer }
Repeat
{ Michl Ladislav suggested removing the Forms unit from 32-bit Console Apps, saving 130K }
{$IFNDEF CONSOLE} If MSecs>1000 Then Application.ProcessMessages; {$ENDIF}
Until ((GetTickCount-FirstTickCount)>LongInt(MSecs));
AsmShutUp;
End;
End;
End;{ -- --- -- --- -- --- -- --- -- --- -- --- -- --- -- --- Procedures for you to use -- --- -- --- -- --- -- --- -- --- -- --- }Procedure Bleep (BleepType : TBleepType);
Begin
Case BleepType of
bOK: Begin
DoBleep (1047,100);
DoBleep (1109,100);
DoBleep (1175,100);
End;
bInterrupt: Begin
DoBleep (2093,100);
DoBleep (1976,100);
DoBleep (1857,100);
End;
bError: DoBleep (40,500);
End;
End;{$IFDEF WIN32} Var SysWinNT : Boolean; {$ENDIF}Procedure DoBleep (Freq : Word; MSecs : Integer);
Begin
{$IFDEF WIN32} If SysWinNT Then Windows.Beep (Freq, MSecs) Else {$ENDIF}
HardBleep (Freq, MSecs);
End;Procedure ShutUp;
Begin
{$IFDEF WIN32} If SysWinNT Then Windows.Beep (1, 0) Else {$ENDIF}
AsmShutUp;
End;{$IFDEF WIN32} Procedure InitSysType;
Var
VersionInfo : TOSVersionInfo;
Begin
VersionInfo.dwOSVersionInfoSize:=SizeOf (VersionInfo);
GetVersionEx (VersionInfo);
SysWinNt:=VersionInfo.dwPlatformID=VER_PLATFORM_WIN32_NT;
End; Initialization
InitSysType;{$ENDIF}End.
那我要用到sysunit怎么办?
messagebeep只能在WIN98下用,怎么回事呀?