Revert "GBA SIO: Loosen timing where possible"

This reverts commit a0647ff.

Author: endrift

src/gba/sio/lockstep.c

@@ -11,7 +11,7 @@
 #define DRIVER_ID 0x6B636F4C
 #define DRIVER_STATE_VERSION 1
 #define LOCKSTEP_INTERVAL 4096
-#define UNLOCKED_INTERVAL 8192
+#define UNLOCKED_INTERVAL 4096
 #define HARD_SYNC_INTERVAL 0x80000
 #define TARGET(P) (1 << (P))
 #define TARGET_ALL 0xF
@@ -923,8 +923,11 @@ void _lockstepEvent(struct mTiming* timing, void* context, uint32_t cyclesLate)
 		if (!coordinator->transferActive) {
 			GBASIOLockstepCoordinatorWakePlayers(coordinator);
 		}
-		if (coordinator->nextHardSync < 0 && !coordinator->waiting) {
-			_hardSync(coordinator, player);
+		if (coordinator->nextHardSync < 0) {
+			if (!coordinator->waiting) {
+				_hardSync(coordinator, player);
+			}
+			coordinator->nextHardSync += HARD_SYNC_INTERVAL;
 		}
 	}
 
@@ -1072,7 +1075,6 @@ void GBASIOLockstepCoordinatorAckPlayer(struct GBASIOLockstepCoordinator* coordi
 			coordinator->transferActive = false;
 		}
 
-		coordinator->nextHardSync = HARD_SYNC_INTERVAL;
 		struct GBASIOLockstepPlayer* runner = TableLookup(&coordinator->players, coordinator->attachedPlayers[0]);
 		GBASIOLockstepPlayerWake(runner);
 	}