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- /**********************************************************************\
-
- File: fade.c
-
- Purpose: This module handles calling the gamma routines to fade
- the screen to black and back.
-
-
- Darth Fader -=- fade in and out on system beep
- Copyright (C) 1993 Mark Pilgrim
-
- 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 2 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 in a file named "GNU General Public License".
- If not, write to the Free Software Foundation, 675 Mass Ave,
- Cambridge, MA 02139, USA.
-
- \**********************************************************************/
-
- #include "fade.h"
- #include "gamma.h"
- #include "msg timing.h"
- #include "init.h"
-
- long real_SysBeep;
-
- void MySysBeep(void)
- {
- int i;
- long realtrap;
-
- SetUpA4();
- SetupGammaTools();
-
- for (i=100; i>=0; i-=10)
- {
- StartTiming();
- DoGammaFade(i);
- TimeCorrection(1);
- }
- StartTiming();
- TimeCorrection(10);
- for (i=0; i<=100; i+=10)
- {
- StartTiming();
- DoGammaFade(i);
- TimeCorrection(1);
- }
-
- DisposeGammaTools();
-
- realtrap = real_SysBeep;
- RestoreA4();
- asm {
- movea.l realtrap, a0
- unlk a6
- jmp (a0)
- }
- }
-