Initial commit of Command & Conquer Red Alert source code.

2025-12-16 07:31:39 -05:00 · 2025-02-27 16:15:05 +00:00
parent b685cea758
commit 5e733d5dcc
2082 changed files with 797727 additions and 0 deletions
--- a/VQ/VQM32/MEM.CPP
+++ b/VQ/VQM32/MEM.CPP
@@ -0,0 +1,134 @@
+/*
+**	Command & Conquer Red Alert(tm)
+**	Copyright 2025 Electronic Arts Inc.
+**
+**	This program is free software: you can redistribute it and/or modify
+**	it under the terms of the GNU General Public License as published by
+**	the Free Software Foundation, either version 3 of the License, or
+**	(at your option) any later version.
+**
+**	This program is distributed in the hope that it will be useful,
+**	but WITHOUT ANY WARRANTY; without even the implied warranty of
+**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+**	GNU General Public License for more details.
+**
+**	You should have received a copy of the GNU General Public License
+**	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/****************************************************************************
+*
+*        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
+*
+*---------------------------------------------------------------------------
+*
+* FILE
+*     mem.c
+*
+* DESCRIPTION
+*     Memory management.
+*
+* PROGRAMMER
+*     Phil Gorrow
+*     Denzil E. Long, Jr.
+*
+* DATE
+*     July 5, 1995
+*
+*---------------------------------------------------------------------------
+*
+* PUBLIC
+*     DPMI_Lock   - Lock a memory page.
+*     DPMI_Unlock - Unlock a locked memory page.
+*
+****************************************************************************/
+
+#ifdef __WATCOMC__
+#include <dos.h>
+#include <mem.h>
+#include <vqm32\mem.h>
+
+
+/****************************************************************************
+*
+* NAME
+*     DPMI_Lock - Lock a memory page.
+*
+* SYNOPSIS
+*     DPMI_Lock(Address, Size)
+*
+*     void DPMI_Lock(void *, long);
+*
+* FUNCTION
+*
+* INPUTS
+*     Address - Starting linear address of memory to lock.
+*     Size    - Size of region to lock in bytes.
+*
+* RESULT
+*     NONE
+*
+****************************************************************************/
+
+void DPMI_Lock(void const *ptr, long const size)
+{
+	union REGS   regs;
+	struct SREGS sregs;
+
+	memset(&regs, 0, sizeof(REGS));
+	segread(&sregs);
+
+	/* Lock the memory page.
+	 *
+	 * AX    = 0x600
+	 * BX:CX = Starting linear address of memory to lock.
+	 * SI:DI = Size of region to lock in bytes.
+	 */
+	regs.x.eax = DPMI_LOCK;
+	regs.x.ebx = ((long)ptr & 0xFFFF0000) >> 16;
+	regs.x.ecx = ((long)ptr & 0x0000FFFF);
+	regs.x.esi = ((long)size & 0xFFFF0000) >> 16;
+	regs.x.edi = ((long)size & 0x0000FFFF);
+	int386x(DPMI_INT, &regs, &regs, &sregs);
+}
+
+
+/****************************************************************************
+*
+* NAME
+*     DPMI_Unlock - Unlock a locked memory page.
+*
+* SYNOPSIS
+*     DPMI_Unlock(Address, Size)
+*
+*     void DPMI_Unlock(void *, long);
+*
+* FUNCTION
+*
+* INPUTS
+*     Address - Starting linear address of memory to unlock.
+*     Size    - Size of region to unlock in bytes.
+*
+* RESULT
+*     NONE
+*
+****************************************************************************/
+
+void DPMI_Unlock(void const *ptr, long const size)
+{
+	union REGS   regs;
+	struct SREGS sregs;
+
+	/* Unlock memory page. */
+	memset(&regs, 0 ,sizeof(REGS));
+	segread(&sregs);
+
+	regs.x.eax = DPMI_UNLOCK;
+	regs.x.ebx = ((long)ptr & 0xFFFF0000) >> 16;
+	regs.x.ecx = ((long)ptr & 0x0000FFFF);
+	regs.x.esi = ((long)size & 0xFFFF0000) >> 16;
+	regs.x.edi = ((long)size & 0x0000FFFF);
+	int386x(DPMI_INT, &regs, &regs, &sregs);
+}
+
+#endif /* __WATCOMC__ */