--- a/system.h	Sat Jan 05 00:58:08 2019 -0800
+++ b/system.h	Sat Jan 15 13:15:21 2022 -0800
@@ -1,5 +1,6 @@
 #ifndef SYSTEM_H_
 #define SYSTEM_H_
+#include <stddef.h>
 #include <stdint.h>
 
 typedef struct system_header system_header;
@@ -8,9 +9,11 @@
 typedef enum {
 	SYSTEM_UNKNOWN,
 	SYSTEM_GENESIS,
+	SYSTEM_GENESIS_PLAYER,
 	SYSTEM_SEGACD,
 	SYSTEM_SMS,
-	SYSTEM_JAGUAR
+	SYSTEM_SMS_PLAYER,
+	SYSTEM_JAGUAR,
 } system_type;
 
 typedef enum {
@@ -28,9 +31,12 @@
 typedef void (*system_u8_u8_fun)(system_header *, uint8_t, uint8_t);
 typedef void (*system_mabs_fun)(system_header *, uint8_t, uint16_t, uint16_t);
 typedef void (*system_mrel_fun)(system_header *, uint8_t, int32_t, int32_t);
+typedef uint8_t *(*system_ptrszt_fun_rptr8)(system_header *, size_t *);
+typedef void (*system_ptr8_sizet_fun)(system_header *, uint8_t *, size_t);
 
 #include "arena.h"
 #include "romdb.h"
+#include "event_log.h"
 
 struct system_header {
 	system_header     *next_context;
@@ -54,6 +60,10 @@
 	system_u8_fun     keyboard_down;
 	system_u8_fun     keyboard_up;
 	system_fun        config_updated;
+	system_ptrszt_fun_rptr8 serialize;
+	system_ptr8_sizet_fun   deserialize;
+	system_str_fun          start_vgm_log;
+	system_fun              stop_vgm_log;
 	rom_info          info;
 	arena             *arena;
 	char              *next_rom;
@@ -63,6 +73,8 @@
 	uint8_t           save_state;
 	uint8_t           delayed_load_slot;
 	uint8_t           has_keyboard;
+	uint8_t                 vgm_logging;
+	uint8_t                 force_release;
 	debugger_type     debugger_type;
 	system_type       type;
 };
@@ -86,5 +98,7 @@
 
 system_type detect_system_type(system_media *media);
 system_header *alloc_config_system(system_type stype, system_media *media, uint32_t opts, uint8_t force_region);
+system_header *alloc_config_player(system_type stype, event_reader *reader);
+void system_request_exit(system_header *system, uint8_t force_release);
 
 #endif //SYSTEM_H_