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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 Z80_TO_X86_H_
#define Z80_TO_X86_H_
#include "z80inst.h"
#include "x86_backend.h"
#define ZNUM_MEM_AREAS 4
#define ZMAX_NATIVE_SIZE 128
enum {
ZF_C = 0,
ZF_N,
ZF_PV,
ZF_H,
ZF_Z,
ZF_S,
ZF_NUM
};
typedef struct {
uint8_t * cur_code;
uint8_t * code_end;
uint8_t *ram_inst_sizes;
deferred_addr * deferred;
uint32_t flags;
int8_t regs[Z80_UNUSED];
} x86_z80_options;
typedef struct {
void * native_pc;
uint16_t sp;
uint8_t flags[ZF_NUM];
uint16_t bank_reg;
uint8_t regs[Z80_A+1];
uint8_t im;
uint8_t alt_regs[Z80_A+1];
uint32_t target_cycle;
uint32_t current_cycle;
uint8_t alt_flags[ZF_NUM];
uint8_t * mem_pointers[ZNUM_MEM_AREAS];
uint8_t iff1;
uint8_t iff2;
uint16_t scratch1;
uint16_t scratch2;
void * extra_pc;
uint32_t sync_cycle;
uint32_t int_cycle;
native_map_slot * static_code_map;
native_map_slot * banked_code_map;
void * options;
void * system;
uint8_t ram_code_flags[(8 * 1024)/128/8];
uint32_t int_enable_cycle;
uint16_t pc;
} z80_context;
void translate_z80_stream(z80_context * context, uint32_t address);
void init_x86_z80_opts(x86_z80_options * options);
void init_z80_context(z80_context * context, x86_z80_options * options);
uint8_t * z80_get_native_address(z80_context * context, uint32_t address);
uint8_t * z80_get_native_address_trans(z80_context * context, uint32_t address);
z80_context * z80_handle_code_write(uint32_t address, z80_context * context);
void z80_run(z80_context * context);
void z80_reset(z80_context * context);
void zinsert_breakpoint(z80_context * context, uint16_t address, uint8_t * bp_handler);
void zremove_breakpoint(z80_context * context, uint16_t address);
#endif //Z80_TO_X86_H_
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