Initial commit of Command & Conquer source code.

2025-12-14 06:31:40 -05:00 · 2025-02-27 14:50:48 +00:00
parent c81144a181
commit 41065b89ab
332 changed files with 228115 additions and 0 deletions
--- a/DPMI.CPP
+++ b/DPMI.CPP
@@ -0,0 +1,169 @@
+/*
+**	Command & Conquer(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/>.
+*/
+
+/* $Header:   F:\projects\c&c\vcs\code\dpmi.cpv   2.17   16 Oct 1995 16:49:36   JOE_BOSTIC  $ */
+/***********************************************************************************************
+ ***             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               *** 
+ ***********************************************************************************************
+ *                                                                                             *
+ *                 Project Name : Command & Conquer                                            *
+ *                                                                                             *
+ *                    File Name : DPMI.CPP                                                     *
+ *                                                                                             *
+ *                   Programmer : Joe L. Bostic                                                *
+ *                                                                                             *
+ *                   Start Date : July 2, 1994                                                 *
+ *                                                                                             *
+ *                  Last Update : July 2, 1994   [JLB]                                         *
+ *                                                                                             *
+ *---------------------------------------------------------------------------------------------*
+ * Functions:                                                                                  *
+ * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
+
+#ifdef __FLAT__
+#pragma inline
+#endif
+
+#include	"function.h"
+#include "dpmi.h"
+
+#ifndef __FLAT__
+
+void DOSSegmentClass::Swap(DOSSegmentClass &src, int soffset, DOSSegmentClass &dest, int doffset, int size)
+{
+	if (!size) return;
+
+	unsigned short ssel = src.Selector;
+	unsigned short dsel = dest.Selector;
+
+	asm {
+		push	es
+		push	ds
+
+		mov	si,soffset
+		mov	di,doffset
+		mov	cx,size
+		mov	ax,ssel
+		mov	dx,dsel
+		mov	ds,ax
+		mov	es,dx
+	}
+again:
+	asm {
+		mov	al,ds:[si]
+		mov	ah,es:[di]
+		mov	ds:[si],ah
+		mov	es:[di],al
+		inc	di
+		inc	si
+		dec	cx
+		jnz	again
+
+		pop	ds
+		pop	es
+	}
+}
+#endif
+
+
+void DOSSegmentClass::Swap(DOSSegmentClass &src, int soffset, DOSSegmentClass &dest, int doffset, int size)
+{
+	extern void dss_swap(char *src, char *dest, int size);
+
+	#pragma aux dss_swap = 		\
+	"again: mov	al,[esi]"	\
+		"mov	ah,[edi]"		\
+		"mov	[esi],ah"		\
+		"stosb"					\
+		"inc	esi"				\
+		"loop	again"			\
+		parm	[esi] [edi] [ecx]	\
+		modify [ax];
+
+	if (!size) return;
+	dss_swap((char *)(src.Selector + soffset), (char *)(dest.Selector + doffset), size);
+}
+
+#ifdef OBSOLETE
+void DOSSegmentClass::Copy(DOSSegmentClass &src, int soffset, DOSSegmentClass &dest, int doffset, int size)
+{
+	extern void dss_copy(char *src, char *dest, int size);
+	#pragma aux dss_copy = 		\
+		"mov		ebx,ecx"			\
+		"shr		ecx,2"			\
+		"jecxz	copskip1"		\
+		"rep 		movsd"			\
+"copskip1: mov ecx,ebx"			\
+		"and		ecx,3"			\
+		"jecxz	copskip2"		\
+		"rep		movsb"			\
+"copskip2:"							\
+		parm	[esi edi ecx]		\
+		modify [ebx];
+
+	if (!size) return;
+	dss_copy((char *)(src.Selector + soffset), (char *)(dest.Selector + doffset), size);
+}
+#endif
+
+#ifdef OBSOLETE
+void DOSSegmentClass::Copy_To(void *source, int dest, int size)
+{
+	extern void dss_copy_to(void *src, (void *)dest, int size);
+
+	#pragma aux dss_copy_to =	\
+		"mov		ebx,ecx"			\
+		"shr		ecx,2"			\
+		"jecxz	cop2skip1"		\
+		"rep		movsd"			\
+"cop2skip1: mov ecx,ebx"		\
+		"and		ecx,3"			\
+		"jecxz	cop2skip2"		\
+		"rep		movsb"			\
+"cop2skip2:"						\
+		parm	[esi edi ecx]		\
+		modify [ebx];
+
+	if (!size) return;
+	dss_copy_to(src, (void *)(Selector + dest), size);
+
+}
+#endif
+
+#ifdef OBSOLETE
+void DOSSegmentClass::Copy_From(void *dest, int source, int size)
+{
+	extern void dss_copy_from(void *dest, (void *)source, int size);
+
+	#pragma aux dss_copy_from =	\
+		"mov		ebx,ecx"			\
+		"shr		ecx,2"			\
+		"jecxz	copfskip1"		\
+		"rep		movsd"			\
+"copfskip1: mov ecx,ebx"		\
+		"and		ecx,3"			\
+		"jecxz	copfskip2"		\
+		"rep		movsb"			\
+"copfskip2:"						\
+		parm	[edi esi ecx]		\
+		modify [ebx];
+
+	if (!size) return;
+	dss_copy_from(dest, (void *)(Selector + source), size);
+}
+#endif