view m68k_to_x86.h @ 380:1c8d74f2ab0b

Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run.
author Mike Pavone <pavone@retrodev.com>
date Mon, 03 Jun 2013 21:43:38 -0700
parents 3923dbc2dcc4
children 140af5509ce7
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#ifndef M68K_TO_X86_H_
#define M68K_TO_X86_H_
#include <stdint.h>
#include <stdio.h>
#include "x86_backend.h"
//#include "68kinst.h"
struct m68kinst;

#define NUM_MEM_AREAS 4
#define NATIVE_MAP_CHUNKS (64*1024)
#define NATIVE_CHUNK_SIZE ((16 * 1024 * 1024 / NATIVE_MAP_CHUNKS)/2)
#define MAX_NATIVE_SIZE 255

#define OPT_NATIVE_CALL_STACK 0x1

typedef struct {
	uint32_t        flags;
	int8_t          dregs[8];
	int8_t          aregs[8];
	native_map_slot *native_code_map;
	deferred_addr   *deferred;
	uint8_t         *cur_code;
	uint8_t         *code_end;
	uint8_t         **ram_inst_sizes;
	FILE            *address_log;
	uint8_t         *read_16;
	uint8_t         *write_16;
	uint8_t         *read_8;
	uint8_t         *write_8;
	uint8_t         *read_32;
	uint8_t         *write_32_lowfirst;
	uint8_t         *write_32_highfirst;
	uint8_t         *handle_cycle_limit_int;
	uint8_t         *trap;
} x86_68k_options;

typedef struct {
	uint8_t         flags[5];
	uint8_t         status;
	uint16_t        int_ack;
	uint32_t        dregs[8];
	uint32_t        aregs[9];
	uint32_t		target_cycle; //cycle at which the next synchronization or interrupt occurs
	uint32_t		current_cycle;
	uint32_t        sync_cycle;
	uint32_t        int_cycle;
	uint32_t        int_num;
	uint16_t        *mem_pointers[NUM_MEM_AREAS];
	void            *video_context;
	uint16_t        reserved;
	
	native_map_slot *native_code_map;
	void            *options;
	uint8_t         ram_code_flags[32/8];
	void            *system;
} m68k_context;

uint8_t * translate_m68k(uint8_t * dst, struct m68kinst * inst, x86_68k_options * opts);
uint8_t * translate_m68k_stream(uint32_t address, m68k_context * context);
void start_68k_context(m68k_context * context, uint32_t address);
void init_x86_68k_opts(x86_68k_options * opts, memmap_chunk * memmap, uint32_t num_chunks);
void init_68k_context(m68k_context * context, native_map_slot * native_code_map, void * opts);
void m68k_reset(m68k_context * context);
void insert_breakpoint(m68k_context * context, uint32_t address, uint8_t * bp_handler);
void remove_breakpoint(m68k_context * context, uint32_t address);
m68k_context * m68k_handle_code_write(uint32_t address, m68k_context * context);

#endif //M68K_TO_X86_H_