| 33,7 → 33,7 |
|---|
| #include "SDL_error.h" |
| #include "SDL_timer.h" |
| #include "SDL_timer_c.h" |
| #include "kos32sys.h" |
| #include <sys/ksys.h> |
| |
| #if _POSIX_THREAD_SYSCALL_SOFT |
| #include <pthread.h> |
| 43,45 → 43,17 |
|---|
| #define USE_ITIMER |
| #endif |
| |
| |
| /* The first ticks value of the application */ |
| //static struct timeval start; |
| //static unsigned startlo,starthi; |
| //static unsigned clockrate; |
| static unsigned starttime; |
| |
| void SDL_StartTicks(void) |
| { |
| // gettimeofday(&start, NULL); |
| // __asm__ ("int $0x40" : "=a"(clockrate) : "a"(18),"b"(5)); |
| // __asm__ ("rdtsc" : "=a"(startlo),"=d"(starthi)); |
| __asm__ ("int $0x40" : "=a"(starttime) : "a"(26),"b"(9)); |
| starttime = _ksys_get_tick_count(); |
| } |
| |
| |
| Uint32 SDL_GetTicks (void) |
| { |
| /* struct timeval now; |
| Uint32 ticks; |
| gettimeofday(&now, NULL); |
| ticks=(now.tv_sec-start.tv_sec)*1000+(now.tv_usec-start.tv_usec)/1000; |
| return(ticks);*/ |
| /*int res; |
| __asm__ ("rdtsc\n\t" |
| "sub (_startlo),%%eax\n\t" |
| "sbb (_starthi),%%edx\n\t" |
| "push %%eax\n\t" |
| "mov %%edx,%%eax\n\t" |
| "mov $1000,%%ecx\n\t" |
| "mul %%ecx\n\t" |
| "xchg (%%esp),%%eax\n\t" |
| "mul %%ecx\n\t" |
| "add %%edx,(%%esp)\n\t" |
| "pop %%edx\n\t" |
| "divl (_clockrate)\n\t" : "=a"(res)); |
| return res;*/ |
| unsigned curtime; |
| __asm__ ("int $0x40" : "=a"(curtime) : "a"(26),"b"(9)); |
| unsigned curtime = _ksys_get_tick_count(); |
| return (curtime-starttime)*10; |
| } |
| |
| 88,7 → 60,7 |
|---|
| void SDL_Delay(unsigned ms){ |
| unsigned start = SDL_GetTicks(); |
| do{ |
| delay(1); |
| _ksys_delay(1); |
| }while (SDL_GetTicks()-start < ms); |
| } |
| |