--- a/multi_game.c	Sat Aug 26 11:29:46 2017 -0700
+++ b/multi_game.c	Sun Aug 27 18:15:00 2017 -0700
@@ -4,6 +4,7 @@
 {
 	m68k_context *context = vcontext;
 	genesis_context *gen = context->system;
+	gen->bank_regs[0] = address;
 	uint32_t base = (address & 0x3F) << 16, start = 0, end = 0x400000;
 	//find the memmap chunk, so we can properly mask the base value
 	for (int i = 0; i < context->options->gen.memmap_chunks; i++)
@@ -24,3 +25,13 @@
 {
 	return write_multi_game_b(address, context, value);
 }
+
+void multi_game_serialize(genesis_context *gen, serialize_buffer *buf)
+{
+	save_int8(buf, gen->bank_regs[0]);
+}
+
+void multi_game_deserialize(deserialize_buffer *buf, genesis_context *gen)
+{
+	write_multi_game_b(load_int8(buf), gen, 0);
+}