GB Memory: Initialize peripheral pointers

CHANGES

@@ -9,6 +9,7 @@ Bugfixes:
  - GB Serialize: Fix audio state loading
  - GB Video: Fix dot clock timing being slightly wrong
  - GB MBC: Pocket Cam memory should be accessible without enabling
+ - GB Memory: Initialize peripheral pointers
 Misc:
  - GBA Timer: Use global cycles for timers
  - GBA: Extend oddly-sized ROMs to full address space (fixes mgba.io/i/722)

src/gb/memory.c

@@ -103,6 +103,8 @@ void GBMemoryInit(struct GB* gb) {
 	gb->memory.mbcWrite = NULL;
 
 	gb->memory.rtc = NULL;
+	gb->memory.rotation = NULL;
+	gb->memory.rumble = NULL;
 
 	GBIOInit(gb);
 }