license info added to Pico directory

[cyclone68000.git] / Pico / Profile.cpp

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// This file is part of the PicoDrive Megadrive Emulator\r
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// This code is licensed under the GNU General Public License version 2.0 and the MAME License.\r
// You can choose the license that has the most advantages for you.\r
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// SVN repository can be found at http://code.google.com/p/cyclone68000/\r
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#include "PicoInt.h"\r
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#ifdef _WIN32_WCE\r
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#pragma warning(disable:4514)\r
#pragma warning(push)\r
#pragma warning(disable:4201)\r
#include <windows.h>\r
#pragma warning(pop)\r
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static float Period=0.0f;\r
static LARGE_INTEGER TimeStart={0,0};\r
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int ProfileInit()\r
{\r
  LARGE_INTEGER freq={0,0};\r
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  QueryPerformanceFrequency(&freq);\r
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  Period =(float)freq.HighPart*4294967296.0f;\r
  Period+=(float)freq.LowPart;\r
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  if (Period>=1.0f) Period=1.0f/Period;\r
  return 0;\r
}\r
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int ProfileStart()\r
{\r
  QueryPerformanceCounter(&TimeStart);\r
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  return 0;\r
}\r
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float ProfileTime()\r
{\r
  LARGE_INTEGER end={0,0};\r
  int ticks=0;\r
  float seconds=0.0f;\r
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  QueryPerformanceCounter(&end);\r
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  ticks=end.LowPart-TimeStart.LowPart;\r
  seconds=(float)ticks*Period;\r
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  return seconds;\r
}\r
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#endif\r
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