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(Screen) Use fast timer if vector short is set

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This commit is contained in:
Devine Lu Linvega 2023-03-04 11:07:11 -08:00
parent 3457f665a7
commit 268ec45780
1 changed files with 3 additions and 2 deletions
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5
src/uxnemu.c
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@ -439,6 +439,7 @@ run(Uxn *u)
{ {
Uint64 now = SDL_GetPerformanceCounter(), frame_end, frame_interval = SDL_GetPerformanceFrequency() / 60; Uint64 now = SDL_GetPerformanceCounter(), frame_end, frame_interval = SDL_GetPerformanceFrequency() / 60;
for(;;) { for(;;) {
Uint16 screen_vector = PEEK16(&u->dev[0x20]);
/* .System/halt */ /* .System/halt */
if(u->dev[0x0f]) if(u->dev[0x0f])
return error("Run", "Ended."); return error("Run", "Ended.");
@ -446,11 +447,11 @@ run(Uxn *u)
exec_deadline = now + deadline_interval; exec_deadline = now + deadline_interval;
if(!handle_events(u)) if(!handle_events(u))
return 0; return 0;
uxn_eval(u, PEEK16(&u->dev[0x20])); uxn_eval(u, screen_vector);
if(uxn_screen.fg.changed || uxn_screen.bg.changed) if(uxn_screen.fg.changed || uxn_screen.bg.changed)
redraw(); redraw();
now = SDL_GetPerformanceCounter(); now = SDL_GetPerformanceCounter();
if(u->dev[0x20]) { if(screen_vector) {
if(!BENCH && ((Sint64)(frame_end - now)) > 0) { if(!BENCH && ((Sint64)(frame_end - now)) > 0) {
SDL_Delay((frame_end - now) / ms_interval); SDL_Delay((frame_end - now) / ms_interval);
now = frame_end; now = frame_end;