commit a0c384b

Limit datetime syscall

 1@@ -544,8 +544,7 @@ screen_deo_sprite(void)
 2 			Uint8 *d = dst;
 3 			const int ch1 = *col, ch2 = is_2bpp ? col[8] : 0;
 4 			for(int k = 0, row = row_start; k < 8; k++, d++, row += row_delta) {
 5-				const int bit = 1 << row;
 6-				const int color = !!(ch1 & bit) | (!!(ch2 & bit) << 1);
 7+				const int color = ((ch1 >> row) & 1) | (((ch2 >> row) & 1) << 1);
 8 				if(opaque_mask || color)
 9 					*d = (*d & layer_mask) | table[color];
10 			}
11@@ -911,16 +910,20 @@ static void fileb_deo_write(void) { poke2(&uxn.dev[0xb2], file_write(1, peek2(&u
12 
13 #include <time.h>
14 
15+int datetime_busy;
16 time_t datetime_seconds;
17 struct tm *datetime_t, datetime_zt = {0};
18 
19 void
20 datetime_update(void)
21 {
22-	datetime_seconds = time(NULL);
23-	datetime_t = localtime(&datetime_seconds);
24-	if(datetime_t == NULL)
25-		datetime_t = &datetime_zt;
26+	if(!datetime_busy) {
27+		datetime_seconds = time(NULL);
28+		datetime_t = localtime(&datetime_seconds);
29+		if(datetime_t == NULL)
30+			datetime_t = &datetime_zt;
31+		datetime_busy = 1;
32+	}
33 }
34 
35 /* clang-format off */
36@@ -1292,6 +1295,7 @@ emu_run(void)
37 				stdin_active = 0;
38 			}
39 		}
40+		datetime_busy = 0;
41 	}
42 	if(emu_timer >= 0)
43 		close(emu_timer);
44@@ -1307,7 +1311,7 @@ main(int argc, char **argv)
45 {
46 	int i = 1;
47 	if(argc == 2 && argv[1][0] == '-' && argv[1][1] == 'v')
48-		return !fprintf(stdout, "%s - Varvara Emulator, 8 Feb 2026.\n", argv[0]);
49+		return !fprintf(stdout, "%s - Varvara Emulator, 11 Feb 2026.\n", argv[0]);
50 	else if(argc == 1)
51 		return !fprintf(stdout, "usage: %s [-v] file.rom [args..]\n", argv[0]);
52 	else if(!system_boot(argv[i++], argc > 2))