git.y1.nz

commit 4ce643d5eb2be9e122d0901898e043f934c7705a
parent 01f80a3f3e84edd6bd3b4fde9b2bd4617d0350fb
Author: Lior Halphon <LIJI32@gmail.com>
Date:   Sun, 10 Oct 2021 16:53:07 +0300

Fix timer bug; fixes #409

Diffstat:
M
Core/timing.c
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Core/timing.c b/Core/timing.c
@@ -434,7 +434,7 @@ void GB_emulate_timer_glitch(GB_gameboy_t *gb, uint8_t old_tac, uint8_t new_tac)
     /* The bit used for overflow testing must have been 1 */
     if (gb->div_counter & old_clocks) {
         /* And now either the timer must be disabled, or the new bit used for overflow testing be 0. */
-        if (!(new_tac & 4) || gb->div_counter & new_clocks) {
+        if (!(new_tac & 4) || !(gb->div_counter & new_clocks)) {
             increase_tima(gb);
         }
     }

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