70 lines
4.3 KiB
C
70 lines
4.3 KiB
C
/*
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** Command & Conquer Red Alert(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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/* $Header: /CounterStrike/MPU.H 1 3/03/97 10:25a Joe_bostic $ */
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/***********************************************************************************************
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*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
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***********************************************************************************************
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* *
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* Project Name : Command & Conquer *
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* *
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* File Name : MPU.H *
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* *
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* Programmer : Joe L. Bostic *
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* *
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* Start Date : 07/15/96 *
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* *
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* Last Update : July 17, 1996 [JLB] *
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* Get_CPU_Clock -- Fetches the current CPU clock time. *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef MPU_H
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#define MPU_H
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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 accumulator is *
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* incremented every clock tick. Since this clock value can get very very large, the value *
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* returned is in 64 bits. The low half is returned directly, the high half is stored in *
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* 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 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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unsigned long Get_CPU_Clock(unsigned long & high);
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#ifndef __BORLANDC__
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#pragma aux Get_CPU_Clock parm [esi] \
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modify [edx] \
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value [eax] = \
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"db 0fh,031h" \
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"mov [esi],edx"
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#endif
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#endif
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