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CD ROM Paradise Collection 4
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CD ROM Paradise Collection 4 1995 Nov.iso
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SOUND.SWG
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0049_Sound-NoSound (BASM).pas
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Wrap
Pascal/Delphi Source File
|
1994-08-24
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627b
|
43 lines
Uses CRT;
Procedure Sound (Hertz : Word);Assembler;
Asm
Mov Bx,SP
Mov Bx,&Hertz
Mov Ax,34DDh
Mov Dx,0012h
CMP Dx,Bx
JNB @J1
Div Bx
Mov Bx,Ax
In Al,61h
Test Al,03h
JNZ @J2
OR Al,03h
OUT 61h,Al
Mov Al,-4Ah
OUT 43h,Al
@J2:
Mov Al,Bl
OUT 42h,Al
Mov Al,Bh
Out 42h,Al
@J1:
End; {Sound}
Procedure NoSound;Assembler;
Asm
IN AL,61h
AND AL,0FCh
OUT 61h,AL
End;
Begin
SOUND (150);
DELAY (100);
SOUND (400);
DELAY (100);
NOSOUND;
END.