diff options
| author | kdx <kikoodx@paranoici.org> | 2023-04-14 03:44:39 +0200 |
|---|---|---|
| committer | kdx <kikoodx@paranoici.org> | 2023-04-14 03:44:39 +0200 |
| commit | dcbc2dfa4dba9bf800d730f76f3c63faa3accb81 (patch) | |
| tree | b6a28f5cec940d4b61979096244b792033c58301 | |
| parent | cccfd1feffba5cab4510ed1d0597a9a7961854ef (diff) | |
| download | orga-dcbc2dfa4dba9bf800d730f76f3c63faa3accb81.tar.gz | |
input sample and clean fps manager
| -rw-r--r-- | samples/input.orgaasm | 9 | ||||
| -rw-r--r-- | src/orgaemu.c | 12 |
2 files changed, 17 insertions, 4 deletions
diff --git a/samples/input.orgaasm b/samples/input.orgaasm index a5da548..46b4c9e 100644 --- a/samples/input.orgaasm +++ b/samples/input.orgaasm @@ -1,4 +1,7 @@ @loop - SLP - LIT ,Input LDA DBG POP - JMP ,loop + SLP ( cycle input events ) + LIT ,Input LDA ( get input ) + DBG ( print to console ) + #0008 AND ( loop until start is pressed ) + JEZ ,loop + RET diff --git a/src/orgaemu.c b/src/orgaemu.c index c1c898f..e22f270 100644 --- a/src/orgaemu.c +++ b/src/orgaemu.c @@ -30,6 +30,7 @@ static size_t stack_ptr = 0, rstack_ptr = 0; static SDL_Window *window = NULL; static SDL_Renderer *renderer = NULL; static SDL_Texture *target = NULL; +static Uint64 next_time = 0; static int fail(void) @@ -114,8 +115,16 @@ render(uint16_t *mem) SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255); SDL_RenderClear(renderer); SDL_RenderCopy(renderer, target, NULL, &dest); + + next_time += 1000 / 30; + const Uint64 cur_time = SDL_GetTicks64(); + if (next_time <= cur_time) { + fprintf(stderr, "lagging %lu\n", cur_time - next_time); + next_time = cur_time; + } else + SDL_Delay(next_time - cur_time); + SDL_RenderPresent(renderer); - SDL_Delay(1000 / 30); /* TODO: proper fps cap */ } static void @@ -390,6 +399,7 @@ main(int argc, char **argv) fprintf(stderr, "%s\n", SDL_GetError()); return fail(); } + next_time = SDL_GetTicks64(); exec_data(mem); return fail(), 0; |