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emu: when both key down and key up are generated on the same frame, skip the up until the next one

This commit is contained in:
Sigrid Solveig Haflínudóttir 2021-12-19 20:40:20 +01:00
parent 972d2a494b
commit 1e224079ed
1 changed files with 6 additions and 0 deletions
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6
src/uxnemu.c
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@ -526,6 +526,7 @@ run(Uxn *u)
while(!devsystem->dat[0xf]) { while(!devsystem->dat[0xf]) {
SDL_Event event; SDL_Event event;
double elapsed, begin = 0; double elapsed, begin = 0;
int ksym;
if(!BENCH) if(!BENCH)
begin = SDL_GetPerformanceCounter(); begin = SDL_GetPerformanceCounter();
while(SDL_PollEvent(&event) != 0) { while(SDL_PollEvent(&event) != 0) {
@ -544,6 +545,10 @@ run(Uxn *u)
doctrl(u, &event, event.type == SDL_KEYDOWN); doctrl(u, &event, event.type == SDL_KEYDOWN);
uxn_eval(u, devctrl->vector); uxn_eval(u, devctrl->vector);
devctrl->dat[3] = 0; devctrl->dat[3] = 0;
ksym = event.key.keysym.sym;
if(SDL_PeepEvents(&event, 1, SDL_PEEKEVENT, SDL_KEYUP, SDL_KEYUP) == 1 && ksym == event.key.keysym.sym)
goto breakout;
break; break;
case SDL_MOUSEWHEEL: case SDL_MOUSEWHEEL:
case SDL_MOUSEBUTTONUP: case SDL_MOUSEBUTTONUP:
@ -563,6 +568,7 @@ run(Uxn *u)
uxn_eval(u, peek16((devaudio0 + (event.type - audio0_event))->dat, 0)); uxn_eval(u, peek16((devaudio0 + (event.type - audio0_event))->dat, 0));
} }
} }
breakout:
uxn_eval(u, devscreen->vector); uxn_eval(u, devscreen->vector);
if(ppu.reqdraw || devsystem->dat[0xe]) if(ppu.reqdraw || devsystem->dat[0xe])
redraw(u); redraw(u);