diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/timer/amigaos/SDL_systimer.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/timer/amigaos/SDL_systimer.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/distrib/sdl-1.2.12/src/timer/amigaos/SDL_systimer.c b/distrib/sdl-1.2.12/src/timer/amigaos/SDL_systimer.c deleted file mode 100644 index a213b61..0000000 --- a/distrib/sdl-1.2.12/src/timer/amigaos/SDL_systimer.c +++ /dev/null @@ -1,267 +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_AMIGA - -#include <stdio.h> -#include <time.h> -#include <signal.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <exec/types.h> -#ifdef __SASC -#include <proto/dos.h> -#include <clib/graphics_protos.h> -#include <pragmas/graphics.h> -#include <clib/exec_protos.h> -#include <pragmas/exec.h> -#elif defined(STORMC4_WOS) -#include <proto/dos.h> -#include <proto/exec.h> -#include <proto/graphics.h> -#else -#include <inline/dos.h> -#include <inline/exec.h> -#include <inline/graphics.h> -#endif -#include "mydebug.h" - -extern struct DosLibrary *DOSBase; -extern struct ExecBase *SysBase; -static struct GfxBase *GfxBase; - -#include "SDL_timer.h" -#include "../SDL_timer_c.h" - -/* The first ticks value of the application */ - -#if !defined(__PPC__) || defined(STORMC4_WOS) || defined(MORPHOS) -static clock_t start; - -void SDL_StartTicks(void) -{ - /* Set first ticks value */ - start=clock(); -} - -Uint32 SDL_GetTicks (void) -{ - clock_t ticks; - - ticks=clock()-start; - -#ifdef __SASC -// CLOCKS_PER_SEC == 1000 ! - - return(ticks); -#else -// CLOCKS_PER_SEC != 1000 ! - - return ticks*(1000/CLOCKS_PER_SEC); -#endif -} - -void SDL_Delay (Uint32 ms) -{ -// Do a busy wait if time is less than 50ms - - if(ms<50) - { - clock_t to_wait=clock(); - -#ifndef __SASC - ms*=(CLOCKS_PER_SEC/1000); -#endif - to_wait+=ms; - - while(clock()<to_wait); - } - else - { - Delay(ms/20); - } -} - -#else - -ULONG MY_CLOCKS_PER_SEC; - -void PPC_TimerInit(void); -APTR MyTimer; - -ULONG start[2]; - -void SDL_StartTicks(void) -{ - /* Set first ticks value */ - if(!MyTimer) - PPC_TimerInit(); - - PPCGetTimerObject(MyTimer,PPCTIMERTAG_CURRENTTICKS,start); - start[1]>>=10; - start[1]|=((result[0]&0x3ff)<<22); - start[0]>>=10; -} - -Uint32 SDL_GetTicks (void) -{ - ULONG result[2]; - PPCGetTimerObject(MyTimer,PPCTIMERTAG_CURRENTTICKS,result); - -// PPCAsr64p(result,10); -// Non va, la emulo: - - result[1]>>=10; - result[1]|=((result[0]&0x3ff)<<22); - -// Non mi interessa piu' result[0] - - return result[1]*1000/MY_CLOCKS_PER_SEC; -} - -void SDL_Delay (Uint32 ms) -{ -// Do a busy wait if time is less than 50ms - - if(ms<50) - { - ULONG to_wait[2],actual[2]; - PPCGetTimerObject(MyTimer,PPCTIMERTAG_CURRENTTICKS,result); - actual[1]=0; - to_wait[1]+=ms*1000/MY_CLOCKS_PER_SEC; - - while(actual[1]<to_wait[1]) - { - PPCGetTimerObject(MyTimer,PPCTIMERTAG_CURRENTTICKS,actual); - } - } - else - { - Delay(ms/50); - } -} - -void PPC_TimerInit(void) -{ - struct TagItem tags[]= - { - PPCTIMERTAG_CPU,TRUE, - TAG_DONE,0 - }; - - - if(MyTimer=PPCCreateTimerObject(tags)) - { - ULONG result[2]; - - PPCGetTimerObject(MyTimer,PPCTIMERTAG_TICKSPERSEC,result); - D(bug("Timer inizializzato, TPS: %lu - %lu\n",result[0],result[1])); -// PPCAsr64p(result,10); - result[1]>>=10; - result[1]|=((result[0]&0x3ff)<<22); - result[0]>>=10; - - D(bug("Shiftato TPS: %lu - %lu\n",result[0],result[1])); - MY_CLOCKS_PER_SEC=result[1]; - - PPCGetTimerObject(MyTimer,PPCTIMERTAG_CURRENTTICKS,result); - - D(bug("Current ticks: %lu - %lu\n",result[0],result[1])); - result[1]>>=10; - result[1]|=((result[0]&0x3ff)<<22); - result[0]>>=10; -// PPCAsr64p(result,10); - D(bug("Shiftato: %lu - %lu\n",result[0],result[1])); - } - else - { - D(bug("Errore nell'inizializzazione del timer!\n")); - } -} - -#endif - -#include "SDL_thread.h" - -/* Data to handle a single periodic alarm */ -static int timer_alive = 0; -static SDL_Thread *timer_thread = NULL; - -static int RunTimer(void *unused) -{ - D(bug("SYSTimer: Entering RunTimer loop...")); - - if(GfxBase==NULL) - GfxBase=(struct GfxBase *)OpenLibrary("graphics.library",37); - - while ( timer_alive ) { - if ( SDL_timer_running ) { - SDL_ThreadedTimerCheck(); - } - if(GfxBase) - WaitTOF(); // Check the timer every fifth of seconds. Was SDL_Delay(1)->BusyWait! - else - Delay(1); - } - D(bug("SYSTimer: EXITING RunTimer loop...")); - return(0); -} - -/* This is only called if the event thread is not running */ -int SDL_SYS_TimerInit(void) -{ - D(bug("Creating thread for the timer (NOITIMER)...\n")); - - timer_alive = 1; - timer_thread = SDL_CreateThread(RunTimer, NULL); - if ( timer_thread == NULL ) - { - D(bug("Creazione del thread fallita...\n")); - - return(-1); - } - return(SDL_SetTimerThreaded(1)); -} - -void SDL_SYS_TimerQuit(void) -{ - timer_alive = 0; - if ( timer_thread ) { - SDL_WaitThread(timer_thread, NULL); - timer_thread = NULL; - } -} - -int SDL_SYS_StartTimer(void) -{ - SDL_SetError("Internal logic error: AmigaOS uses threaded timer"); - return(-1); -} - -void SDL_SYS_StopTimer(void) -{ - return; -} - -#endif /* SDL_TIMER_AMIGA */ |