diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/timer/mint/SDL_systimer.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/timer/mint/SDL_systimer.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/distrib/sdl-1.2.12/src/timer/mint/SDL_systimer.c b/distrib/sdl-1.2.12/src/timer/mint/SDL_systimer.c deleted file mode 100644 index f9560c4..0000000 --- a/distrib/sdl-1.2.12/src/timer/mint/SDL_systimer.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - 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" - -#ifdef SDL_TIMER_MINT - -/* - * TOS/MiNT timer driver - * based on vbl vector - * - * Patrice Mandin - */ - -#include <stdio.h> -#include <sys/time.h> -#include <signal.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> - -#include <mint/cookie.h> -#include <mint/sysvars.h> -#include <mint/osbind.h> -#include <mint/mintbind.h> - -#include "SDL_timer.h" -#include "../SDL_timer_c.h" -#include "SDL_thread.h" - -#include "SDL_vbltimer_s.h" - -/* from audio/mint */ -void SDL_MintAudio_CheckFpu(void); - -/* The first ticks value of the application */ -static Uint32 start; -static SDL_bool read_hz200_from_vbl = SDL_FALSE; -static int mint_present; /* can we use Syield() ? */ - -void SDL_StartTicks(void) -{ - void *old_stack; - unsigned long dummy; - - /* Set first ticks value */ - old_stack = (void *)Super(0); - start = *((volatile long *)_hz_200); - Super(old_stack); - - start *= 5; /* One _hz_200 tic is 5ms */ - - mint_present = (Getcookie(C_MiNT, &dummy) == C_FOUND); -} - -Uint32 SDL_GetTicks (void) -{ - Uint32 now = start; - - if (read_hz200_from_vbl) { - now = SDL_Atari_hz200; - } else { - void *old_stack = (void *)Super(0); - now = *((volatile long *)_hz_200); - Super(old_stack); - } - - return((now*5)-start); -} - -void SDL_Delay (Uint32 ms) -{ - Uint32 now; - - now = SDL_GetTicks(); - while ((SDL_GetTicks()-now)<ms){ - if (mint_present) { - Syield(); - } - } -} - -/* Data to handle a single periodic alarm */ -static SDL_bool timer_installed=SDL_FALSE; - -/* This is only called if the event thread is not running */ -int SDL_SYS_TimerInit(void) -{ - void *old_stack; - - SDL_MintAudio_CheckFpu(); - - /* Install RunTimer in vbl vector */ - old_stack = (void *)Super(0); - timer_installed = !SDL_AtariVblInstall(SDL_ThreadedTimerCheck); - Super(old_stack); - - if (!timer_installed) { - return(-1); - } - - read_hz200_from_vbl = SDL_TRUE; - return(SDL_SetTimerThreaded(0)); -} - -void SDL_SYS_TimerQuit(void) -{ - /* Uninstall RunTimer vbl vector */ - if (timer_installed) { - void *old_stack = (void *)Super(0); - SDL_AtariVblUninstall(SDL_ThreadedTimerCheck); - Super(old_stack); - timer_installed = SDL_FALSE; - } - read_hz200_from_vbl = SDL_FALSE; -} - -int SDL_SYS_StartTimer(void) -{ - SDL_SetError("Internal logic error: MiNT uses vbl timer"); - return(-1); -} - -void SDL_SYS_StopTimer(void) -{ - return; -} - -#endif /* SDL_TIMER_MINT */ |