--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/event_log.h	Wed Apr 29 23:42:16 2020 -0700
@@ -0,0 +1,51 @@
+#ifndef EVENT_LOG_H_
+#define EVENT_LOG_H_
+
+enum {
+	EVENT_FLUSH = 0,
+	EVENT_ADJUST = 1,
+	EVENT_PSG_REG = 2,
+	EVENT_YM_REG = 3,
+	EVENT_VDP_REG = 4,
+	EVENT_VRAM_BYTE = 5,
+	EVENT_VRAM_BYTE_DELTA = 6,
+	EVENT_VRAM_BYTE_ONE = 7,
+	EVENT_VRAM_BYTE_AUTO = 8,
+	EVENT_VRAM_WORD = 9,
+	EVENT_VRAM_WORD_DELTA = 10,
+	EVENT_CRAM = 11,
+	EVENT_VSRAM = 12,
+	EVENT_STATE = 13
+	//14 and 15 are reserved for header types
+};
+
+#include "serialize.h"
+typedef struct {
+	size_t storage;
+	int socket;
+	uint32_t last_cycle;
+	uint32_t last_word_address;
+	uint32_t last_byte_address;
+	deserialize_buffer buffer;
+} event_reader;
+
+#include "system.h"
+#include "render.h"
+
+void event_log_file(char *fname);
+void event_log_tcp(char *address, char *port);
+void event_system_start(system_type stype, vid_std video_std, char *name);
+void event_cycle_adjust(uint32_t cycle, uint32_t deduction);
+void event_log(uint8_t type, uint32_t cycle, uint8_t size, uint8_t *payload);
+void event_vram_word(uint32_t cycle, uint32_t address, uint16_t value);
+void event_vram_byte(uint32_t cycle, uint16_t address, uint8_t byte, uint8_t auto_inc);
+void event_state(uint32_t cycle, serialize_buffer *state);
+void event_flush(uint32_t cycle);
+
+void init_event_reader(event_reader *reader, uint8_t *data, size_t size);
+void init_event_reader_tcp(event_reader *reader, char *address, char *port);
+uint8_t reader_next_event(event_reader *reader, uint32_t *cycle_out);
+uint8_t reader_system_type(event_reader *reader);
+void reader_send_gamepad_event(event_reader *reader, uint8_t pad, uint8_t button, uint8_t down);
+
+#endif //EVENT_LOG_H_