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Returned to simpler run function

This commit is contained in:
Devine Lu Linvega 2023-01-28 10:54:54 -08:00
parent b894ba4c57
commit 22797644b5
1 changed files with 16 additions and 8 deletions
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22
src/uxnemu.c
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@ -432,20 +432,28 @@ handle_events(Uxn *u)
static int
run(Uxn *u)
{
Uint64 now = SDL_GetPerformanceCounter(), frame_end = now, frame_interval = SDL_GetPerformanceFrequency() / 60;
for(; !u->dev[0x0f]; now = SDL_GetPerformanceCounter()) {
Uint64 now = SDL_GetPerformanceCounter(), frame_end, frame_interval = SDL_GetPerformanceFrequency() / 60;
for(;;) {
/* .System/halt */
if(u->dev[0x0f])
return error("Run", "Ended.");
frame_end = now + frame_interval;
exec_deadline = now + deadline_interval;
if(!handle_events(u))
return 0;
if(((Sint64)(frame_end - SDL_GetPerformanceCounter())) <= 0) {
frame_end = now + frame_interval;
uxn_eval(u, GETVEC(&u->dev[0x20]));
}
if(uxn_screen.fg.changed || uxn_screen.bg.changed)
redraw();
SDL_WaitEventTimeout(NULL, GETVEC(&u->dev[0x20]) ? (frame_end - SDL_GetPerformanceCounter()) / ms_interval : 0x100000);
now = SDL_GetPerformanceCounter();
if(u->dev[0x20]) {
if(!BENCH && ((Sint64)(frame_end - now)) > 0) {
SDL_Delay((frame_end - now) / ms_interval);
now = frame_end;
}
return error("Run", "Ended.");
} else
SDL_WaitEvent(NULL);
}
return error("SDL_WaitEvent", SDL_GetError());;
}
int