Mercurial > sdl-ios-xcode
view src/timer/mint/SDL_vbltimer_s.h @ 2116:b42abf0a50bc
Avoid switch to supervisor mode in SDL_GetTicks, by updating system counter from vbl interrupt
author | Patrice Mandin <patmandin@gmail.com> |
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date | Sat, 09 Jun 2007 19:58:41 +0000 |
parents | c121d94672cb |
children | 99210400e8b9 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" /* * TOS/MiNT timer driver * based on vbl vector * * Patrice Mandin */ extern volatile long SDL_Atari_hz200; /* Functions prototypes */ extern int SDL_AtariVblInstall(void *newvector); extern void SDL_AtariVblUninstall(void *newvector); /* vi: set ts=4 sw=4 expandtab: */