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Switches back to SDL's Ticks, but uses doubles instead of ints [zinx]

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This commit is contained in:
pagefault
2001-06-03 23:54:43 +00:00
parent e9bb66e7bd
commit 58d833e37a
1 changed files with 14 additions and 30 deletions
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44
zsnes/src/linux/sdllink.c
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@@ -75,29 +75,14 @@ Uint8 MouseButton;
DWORD LastUsedPos = 0;
DWORD CurMode = -1;
#define UPDATE_TICKS_GAME 1000000/60 // microseconds per world update
#define UPDATE_TICKS_GAMEPAL 1000000/50 // microseconds per world update
#define UPDATE_TICKS_GUI 1000000/36 // microseconds per world update
#define UPDATE_TICKS_UDP 1000000/60 // microseconds per world update
#define UPDATE_TICKS_GAME (1000/60.0) // milliseconds per world update
#define UPDATE_TICKS_GAMEPAL (1000/50.0)// milliseconds per world update
#define UPDATE_TICKS_GUI (1000/36.0) // milliseconds per world update
#define UPDATE_TICKS_UDP (1000/60.0) // milliseconds per world update
_int64 start, end, freq, update_ticks_pc, start2, end2, update_ticks_pc2;
/* SDL's GetTicks function is only millisecond accuracy */
static struct timeval start_time;
static void zsnes_InitTicks()
{
gettimeofday(&start_time, NULL);
}
static _int64 zsnes_GetTicks()
{
struct timeval tv;
gettimeofday(&tv, NULL);
return (tv.tv_sec - start_time.tv_sec) * 1000000L +
(tv.tv_usec - start_time.tv_usec);
}
Uint32 end, end2;
double start, start2;
double update_ticks_pc, update_ticks_pc2;
void drawscreenwin(void);
void initwinvideo();
@@ -509,7 +494,6 @@ int startgame(void)
fprintf(stderr, "Could not initialize SDL!\n");
return FALSE;
}
zsnes_InitTicks();
sdl_inited = -1;
}
@@ -576,8 +560,8 @@ void Start60HZ(void)
update_ticks_pc = UPDATE_TICKS_GAME;
}
start = zsnes_GetTicks();
start2 = zsnes_GetTicks();
start = SDL_GetTicks();
start2 = SDL_GetTicks();
// QueryPerformanceCounter((LARGE_INTEGER*)&start);
// QueryPerformanceCounter((LARGE_INTEGER*)&start2);
T36HZEnabled = 0;
@@ -596,8 +580,8 @@ void Start36HZ(void)
// QueryPerformanceCounter((LARGE_INTEGER*)&start);
// QueryPerformanceCounter((LARGE_INTEGER*)&start2);
start = zsnes_GetTicks();
start2 = zsnes_GetTicks();
start = SDL_GetTicks();
start2 = SDL_GetTicks();
T60HZEnabled = 0;
T36HZEnabled = 1;
}
@@ -727,7 +711,7 @@ void CheckTimers(void)
int i;
//QueryPerformanceCounter((LARGE_INTEGER*)&end2);
end2 = zsnes_GetTicks();
end2 = SDL_GetTicks();
while ((end2 - start2) >= update_ticks_pc2)
{
@@ -749,7 +733,7 @@ void CheckTimers(void)
if (T60HZEnabled)
{
//QueryPerformanceCounter((LARGE_INTEGER*)&end);
end = zsnes_GetTicks();
end = SDL_GetTicks();
while ((end - start) >= update_ticks_pc)
{
@@ -768,7 +752,7 @@ void CheckTimers(void)
if (T36HZEnabled)
{
//QueryPerformanceCounter((LARGE_INTEGER*)&end);
end = zsnes_GetTicks();
end = SDL_GetTicks();
while ((end - start) >= update_ticks_pc)
{