.386p CODE32 SEGMENT DWORD PUBLIC USE32 'CODE' EXTRN PrfChangeProgram:PROC PUBLIC _PrfChangeProgram _PrfChangeProgram PROC NEAR push fs mov eax, 0150bh mov fs, eax push dword ptr [esp+16] push dword ptr [esp+16] push dword ptr [esp+16] call PrfChangeProgram add esp, 12 pop fs ret _PrfChangeProgram ENDP CODE32 ENDS END