Initial commit of Command & Conquer Red Alert source code.

2025-12-16 23:51:40 -05:00 · 2025-02-27 16:15:05 +00:00
parent b685cea758
commit 5e733d5dcc
2082 changed files with 797727 additions and 0 deletions
--- a/WWFLAT32/VIDEO/VERTBLNK.ASM
+++ b/WWFLAT32/VIDEO/VERTBLNK.ASM
@@ -0,0 +1,139 @@
+;
+;	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/>.
+;
+
+; $Header: g:/library/wwlib32/video/rcs/vertblnk.asm 1.1 1994/04/18 09:34:51 jeff_wilson Exp $
+;***************************************************************************
+;**   C O N F I D E N T I A L --- W E S T W O O D   A S S O C I A T E S   **
+;***************************************************************************
+;*                                                                         *
+;*                 Project Name : Library routine                          *
+;*                                                                         *
+;*                    File Name : VERTBLNK.ASM                             *
+;*                                                                         *
+;*                   Programmer : Christopher Yates                        *
+;*                                                                         *
+;*                  Last Update : 20 August, 1990   [CY]                   *
+;*                                                                         *
+;*-------------------------------------------------------------------------*
+;* Functions:                                                              *
+;*                                                                         *
+; WORD Get_Vert_Blank(VOID);                                               *
+; VOID Wait_Vert_Blank(VOID);						   *
+; WORD get_vga_state (VOID) ;
+; VOID set_vga_mode (WORD) ;
+;*                                                                         *
+;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
+
+IDEAL
+P386
+MODEL USE32 FLAT
+
+LOCALS ??
+
+GLOBAL             Get_Vert_Blank       : NEAR
+GLOBAL             Wait_Vert_Blank      : NEAR
+GLOBAL		   get_vga_state	: NEAR
+GLOBAL		   set_vga_mode		: NEAR
+
+
+CODESEG
+
+; ----------------------------------------------------------------
+;
+; Here are prototypes for the routines defined within this module:
+;
+; WORD Get_Vert_Blank(VOID);
+; VOID Wait_Vert_Blank(VOID);
+; WORD get_vga_state (VOID) ;
+; VOID set_vga_mode (WORD) ;
+
+;
+; ----------------------------------------------------------------
+
+;----------------------------------------------------------------------------
+
+PROC	Get_Vert_Blank C near
+	USES edx
+		
+	mov	dx,03DAH	; CRTC status register
+	in	al,dx
+	and	al,008H		; look at bit 3 vertical sync
+	xor	ah,ah		; zero ah
+	ret
+
+ENDP	Get_Vert_Blank
+
+;----------------------------------------------------------------------------
+
+;----------------------------------------------------------------------------
+PROC	Wait_Vert_Blank C near
+	USES eax,ebx,edx
+	ARG	blank:DWORD
+
+	mov	ebx,[blank]	; get vertical blank 0 or 1 for on
+
+	mov	edx,03DAH	; CRTC status register
+
+	and	bl,01b
+	shl	bl,3
+
+??in_vbi:
+	in	al,dx			; read CRTC status
+	and	al,008h			; only vertical sync bit
+	xor	al,bl
+	je	??in_vbi		; in vertical sync
+
+??out_vbi:
+	in	al,dx			; read CRTC status
+	and	al,008h			; only vertical sync bit
+	xor	al,bl
+	jne	??out_vbi		; not in vertical sync
+
+	ret
+
+ENDP	Wait_Vert_Blank
+
+;----------------------------------------------------------------------------
+
+; WORD get_vga_state (VOID) ;
+
+PROC	get_vga_state C near
+	USES  ebx
+	mov   eax,0f00h
+	int   10h
+	and   eax, 0ffh
+	ret
+ENDP	get_vga_state
+
+;----------------------------------------------------------------------------
+
+; VOID set_vga_mode (WORD) ;
+
+PROC   set_vga_mode C near
+	ARG   mode:dword
+	mov   eax , [mode]
+	and   eax , 0ffh	
+	int   10h
+	ret
+ENDP   set_vga_mode
+
+
+
+END
+
+