Mercurial > repos > blastem
view m68k_to_x86.h @ 204:02dfa5962522
Add support for 2-byte IY instructions to decoder
author | Mike Pavone <pavone@retrodev.com> |
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date | Tue, 22 Jan 2013 20:24:14 -0800 |
parents | 209a37eed3e7 |
children | 3457dc6fd558 |
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#ifndef M68K_TO_X86_H_ #define M68K_TO_X86_H_ #include <stdint.h> #include <stdio.h> #include "68kinst.h" #define NUM_MEM_AREAS 4 #define NATIVE_MAP_CHUNKS (64*1024) #define NATIVE_CHUNK_SIZE ((16 * 1024 * 1024 / NATIVE_MAP_CHUNKS)/2) #define INVALID_OFFSET 0xFFFFFFFF #define EXTENSION_WORD 0xFFFFFFFE #define MAX_NATIVE_SIZE 255 #define OPT_NATIVE_CALL_STACK 0x1 typedef struct { uint8_t *base; int32_t *offsets; } native_map_slot; typedef struct deferred_addr { struct deferred_addr *next; uint8_t *dest; uint32_t address; } deferred_addr; 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; } x86_68k_options; typedef struct { uint8_t flags[5]; uint8_t status; uint16_t reserved; 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 *next_context; uint16_t value; native_map_slot *native_code_map; void *options; uint8_t ram_code_flags[32/8]; } m68k_context; uint8_t * translate_m68k(uint8_t * dst, 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); 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); #endif //M68K_TO_X86_H_