--- a/video/cocoa_v.m Wed Jan 17 00:08:49 2007 +0000
+++ b/video/cocoa_v.m Wed Jan 17 00:20:23 2007 +0000
@@ -652,8 +652,8 @@
static void QZ_GameLoop(void)
{
- uint32 next_tick = GetTick() + 30;
- uint32 cur_ticks;
+ uint32 cur_ticks = GetTick();
+ uint32 next_tick = cur_ticks + 30;
uint32 pal_tick = 0;
#ifdef _DEBUG
uint32 et0, et, st0, st;
@@ -682,6 +682,7 @@
CSleep(1);
for (;;) {
+ uint32 prev_cur_ticks = cur_ticks; // to check for wrapping
InteractiveRandom(); // randomness
while (QZ_PollEvent()) {}
@@ -700,11 +701,8 @@
}
cur_ticks = GetTick();
- if ((_fast_forward && !_pause) || cur_ticks > next_tick)
- next_tick = cur_ticks;
-
- if (cur_ticks == next_tick) {
- next_tick += 30;
+ if (cur_ticks >= next_tick || (_fast_forward && !_pause) || cur_ticks < prev_cur_ticks) {
+ next_tick = cur_ticks + 30;
_ctrl_pressed = !!(_cocoa_video_data.current_mods & NSControlKeyMask);
_shift_pressed = !!(_cocoa_video_data.current_mods & NSShiftKeyMask);