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/*
Copyright 2013 Michael Pavone
This file is part of BlastEm.
BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
*/
#ifndef GENESIS_H_
#define GENESIS_H_
#include <stdint.h>
#include "m68k_core.h"
#include "z80_to_x86.h"
#include "ym2612.h"
#include "vdp.h"
#include "psg.h"
#include "io.h"
#include "romdb.h"
#include "arena.h"
typedef struct genesis_context genesis_context;
struct genesis_context {
m68k_context *m68k;
z80_context *z80;
vdp_context *vdp;
ym2612_context *ym;
psg_context *psg;
genesis_context *next_context;
uint16_t *cart;
uint16_t *lock_on;
uint16_t *work_ram;
uint8_t *zram;
void *extra;
arena *arena;
char *next_rom;
char *save_dir;
uint8_t *save_storage;
eeprom_map *eeprom_map;
uint32_t num_eeprom;
uint32_t save_size;
uint32_t save_ram_mask;
uint32_t master_clock; //Current master clock value
uint32_t normal_clock; //Normal master clock (used to restore master clock after turbo mode)
uint32_t frame_end;
uint32_t max_cycles;
uint8_t bank_regs[8];
uint16_t mapper_start_index;
uint8_t save_type;
io_port ports[3];
uint8_t version_reg;
uint8_t bus_busy;
uint8_t should_exit;
uint8_t save_state;
uint8_t mouse_mode;
uint8_t mouse_captured;
eeprom_state eeprom;
};
extern genesis_context * genesis;
extern int break_on_sync;
#define RAM_WORDS 32 * 1024
#define Z80_RAM_BYTES 8 * 1024
uint16_t read_dma_value(uint32_t address);
uint16_t get_open_bus_value();
m68k_context * sync_components(m68k_context *context, uint32_t address);
m68k_context * debugger(m68k_context * context, uint32_t address);
void set_speed_percent(genesis_context * context, uint32_t percent);
genesis_context *alloc_config_genesis(void *rom, uint32_t rom_size, void *lock_on, uint32_t lock_on_size, uint32_t ym_opts, uint8_t force_region, rom_info *info_out);
void start_genesis(genesis_context *gen, char *statefile, uint8_t *debugger);
void free_genesis(genesis_context *gen);
#endif //GENESIS_H_
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