mirror of
https://github.com/electronicarts/CnC_Red_Alert.git
synced 2025-12-16 07:31:39 -05:00
Initial commit of Command & Conquer Red Alert source code.
This commit is contained in:
158
WWFLAT32/MISC/SHAKESCR.ASM
Normal file
158
WWFLAT32/MISC/SHAKESCR.ASM
Normal file
@@ -0,0 +1,158 @@
|
||||
;
|
||||
; 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 **
|
||||
;***************************************************************************
|
||||
;* *
|
||||
;* Project Name : Westwood Library *
|
||||
;* *
|
||||
;* File Name : SHAKESCR.ASM *
|
||||
;* *
|
||||
;* Programmer : Joe L. Bostic *
|
||||
;* *
|
||||
;* Start Date : August 19, 1993 *
|
||||
;* *
|
||||
;* Last Update : February 10, 1995 [BWG] *
|
||||
;* *
|
||||
;*-------------------------------------------------------------------------*
|
||||
;* Functions: *
|
||||
;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
|
||||
|
||||
IDEAL
|
||||
P386
|
||||
MODEL USE32 FLAT
|
||||
|
||||
GLOBAL Shake_Screen :NEAR
|
||||
|
||||
CODESEG
|
||||
|
||||
;***********************************************************
|
||||
; SHAKE_SCREEN
|
||||
;
|
||||
; VOID Shake_Screen(int shakes);
|
||||
;
|
||||
; This routine shakes the screen the number of times indicated.
|
||||
;
|
||||
; Bounds Checking: None
|
||||
;
|
||||
;*
|
||||
PROC Shake_Screen C near
|
||||
USES ecx, edx
|
||||
|
||||
ARG shakes:DWORD
|
||||
|
||||
mov ecx,[shakes]
|
||||
|
||||
;;; push es
|
||||
;;; mov ax,40h
|
||||
;;; mov es,ax
|
||||
;;; mov dx,[es:63h]
|
||||
;;; pop es
|
||||
mov eax,[0463h] ; get CRTC I/O port
|
||||
mov dx,ax
|
||||
add dl,6 ; video status port
|
||||
|
||||
??top_loop:
|
||||
|
||||
??start_retrace:
|
||||
in al,dx
|
||||
test al,8
|
||||
jz ??start_retrace
|
||||
|
||||
??end_retrace:
|
||||
in al,dx
|
||||
test al,8
|
||||
jnz ??end_retrace
|
||||
|
||||
cli
|
||||
sub dl,6 ; dx = 3B4H or 3D4H
|
||||
|
||||
mov ah,01 ; top word of start address
|
||||
mov al,0Ch
|
||||
out dx,al
|
||||
xchg ah,al
|
||||
inc dx
|
||||
out dx,al
|
||||
xchg ah,al
|
||||
dec dx
|
||||
|
||||
mov ah,040h ; bottom word = 40 (140h)
|
||||
inc al
|
||||
out dx,al
|
||||
xchg ah,al
|
||||
inc dx
|
||||
out dx,al
|
||||
xchg ah,al
|
||||
|
||||
sti
|
||||
add dl,5
|
||||
|
||||
??start_retrace2:
|
||||
in al,dx
|
||||
test al,8
|
||||
jz ??start_retrace2
|
||||
|
||||
??end_retrace2:
|
||||
in al,dx
|
||||
test al,8
|
||||
jnz ??end_retrace2
|
||||
|
||||
??start_retrace3:
|
||||
in al,dx
|
||||
test al,8
|
||||
jz ??start_retrace3
|
||||
|
||||
??end_retrace3:
|
||||
in al,dx
|
||||
test al,8
|
||||
jnz ??end_retrace3
|
||||
|
||||
cli
|
||||
sub dl,6 ; dx = 3B4H or 3D4H
|
||||
|
||||
mov ah,0
|
||||
mov al,0Ch
|
||||
out dx,al
|
||||
xchg ah,al
|
||||
inc dx
|
||||
out dx,al
|
||||
xchg ah,al
|
||||
dec dx
|
||||
|
||||
mov ah,0
|
||||
inc al
|
||||
out dx,al
|
||||
xchg ah,al
|
||||
inc dx
|
||||
out dx,al
|
||||
xchg ah,al
|
||||
|
||||
sti
|
||||
add dl,5
|
||||
|
||||
loop ??top_loop
|
||||
|
||||
ret
|
||||
|
||||
ENDP Shake_Screen
|
||||
|
||||
;***********************************************************
|
||||
|
||||
END
|
||||
|
||||
Reference in New Issue
Block a user