54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
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** Command & Conquer Renegade(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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//****************************************************************************
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// Get_CPU_Clock -- Fetches the current CPU clock time.
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//
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// This routine will return the internal Pentium clock accumulator. This
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// accumulator is incremented every clock tick. Since this clock value can
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// get very very large, the value returned is in 64 bits. The low half is
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// returned directly, the high half is stored in location specified.
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//
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// INPUT: high -- Reference to the high value of the 64 bit clock number.
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//
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// OUTPUT: Returns with the low half of the CPU clock value.
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//
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// WARNINGS: This instruction is only available on Pentium or later
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// processors.
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//
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// HISTORY:
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// 07/17/1996 JLB : Created.
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//============================================================================
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#ifdef __BORLANDC__
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extern "C" unsigned Get_CPU_Clock ( void );
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#else
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unsigned Get_CPU_Clock ( void );
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#ifdef __WATCOMC__
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#pragma aux Get_CPU_Clock \
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modify [edx] \
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value [eax] = \
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"db 0fh,031h"
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#endif
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#endif
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