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359 serge 1 
format MS COFF
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include "snd.inc"
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include "proc32.inc"
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section '.text' align 16 code readable executable
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368 serge 8 
public _SetVolume@12
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extrn hSound
359 serge 11 
 
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align 4
368 serge 13 
proc _SetVolume@12 stdcall, str:dword, lvol:dword,rvol:dword
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           locals
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             handle     dd ?
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             io_code    dd ?
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             input      dd ?
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             inp_size   dd ?
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             output     dd ?
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             out_size   dd ?
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           endl
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           push ebx
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           push ecx
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           mov eax, [hSound]
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           lea ebx, [str]
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           xor ecx, ecx
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           mov [handle], eax
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           mov [io_code], SND_SETVOLUME
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           mov [input], ebx
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           mov [inp_size], 12
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           mov [output], ecx
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           mov [out_size], ecx
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           mov eax, 68
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           mov ebx, 17
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           lea ecx, [handle]
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           int 0x40
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           pop ecx
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           pop ebx
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           ret
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endp
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