WIP - New savestate format

1 files changed, 69 insertions, 0 deletions

diff --git a/serialize.h b/serialize.h
new file mode 100644
index 0000000..df57075
--- /dev/null
+++ b/serialize.h
@@ -0,0 +1,69 @@
+#ifndef SERIALIZE_H_
+#define SERIALIZE_H_
+
+#include <stdint.h>
+#include <stddef.h>
+
+typedef struct {
+	size_t  size;
+	size_t  storage;
+	size_t  current_section_start;
+	uint8_t *data;
+} serialize_buffer;
+
+typedef struct deserialize_buffer deserialize_buffer;
+typedef void (*section_fun)(deserialize_buffer *buf, void *data);
+
+typedef struct  {
+	section_fun fun;
+	void        *data;
+} section_handler;
+
+struct deserialize_buffer {
+	size_t          size;
+	size_t          cur_pos;
+	uint8_t         *data;
+	section_handler *handlers;
+	uint16_t        max_handler;
+};
+
+enum {
+	SECTION_HEADER,
+	SECTION_68000,
+	SECTION_Z80,
+	SECTION_VDP,
+	SECTION_YM2612,
+	SECTION_PSG,
+	SECTION_GEN_BUS_ARBITER,
+	SECTION_SEGA_IO_1,
+	SECTION_SEGA_IO_2,
+	SECTION_SEGA_IO_EXT,
+	SECTION_MAIN_RAM,
+	SECTION_SOUND_RAM,
+	SECTION_SEGA_MAPPER,
+	SECTION_SMS_MAPPER,
+	SECTION_EEPROM
+};
+
+void init_serialize(serialize_buffer *buf);
+void save_int32(serialize_buffer *buf, uint32_t val);
+void save_int16(serialize_buffer *buf, uint16_t val);
+void save_int8(serialize_buffer *buf, uint8_t val);
+void save_string(serialize_buffer *buf, char *val);
+void save_buffer8(serialize_buffer *buf, void *val, size_t len);
+void save_buffer16(serialize_buffer *buf, uint16_t *val, size_t len);
+void save_buffer32(serialize_buffer *buf, uint32_t *val, size_t len);
+void start_section(serialize_buffer *buf, uint16_t section_id);
+void end_section(serialize_buffer *buf);
+void register_section_handler(deserialize_buffer *buf, section_handler handler, uint16_t section_id);
+void init_deserialize(deserialize_buffer *buf, uint8_t *data, size_t size);
+uint32_t load_int32(deserialize_buffer *buf);
+uint16_t load_int16(deserialize_buffer *buf);
+uint8_t load_int8(deserialize_buffer *buf);
+void load_buffer8(deserialize_buffer *buf, void *dst, size_t len);
+void load_buffer16(deserialize_buffer *buf, uint16_t *dst, size_t len);
+void load_buffer32(deserialize_buffer *buf, uint32_t *dst, size_t len);
+void load_section(deserialize_buffer *buf);
+uint8_t save_to_file(serialize_buffer *buf, char *path);
+uint8_t load_from_file(deserialize_buffer *buf, char *path);
+#endif //SERIALIZE_H