Mercurial > repos > blastem
annotate m68k_to_x86.h @ 412:00d5a2b532f4
Fix movem with pc displacement or pc indexed source
author | Mike Pavone <pavone@retrodev.com> |
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date | Wed, 19 Jun 2013 00:40:13 -0700 |
parents | 3923dbc2dcc4 |
children | 140af5509ce7 |
rev | line source |
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1 #ifndef M68K_TO_X86_H_ |
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2 #define M68K_TO_X86_H_ |
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3 #include <stdint.h> |
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4 #include <stdio.h> |
211 | 5 #include "x86_backend.h" |
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6 //#include "68kinst.h" |
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7 struct m68kinst; |
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8 |
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9 #define NUM_MEM_AREAS 4 |
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10 #define NATIVE_MAP_CHUNKS (64*1024) |
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11 #define NATIVE_CHUNK_SIZE ((16 * 1024 * 1024 / NATIVE_MAP_CHUNKS)/2) |
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12 #define MAX_NATIVE_SIZE 255 |
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13 |
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Don't use the native call stack for M68K calls by default
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14 #define OPT_NATIVE_CALL_STACK 0x1 |
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15 |
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16 typedef struct { |
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17 uint32_t flags; |
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18 int8_t dregs[8]; |
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19 int8_t aregs[8]; |
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20 native_map_slot *native_code_map; |
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21 deferred_addr *deferred; |
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22 uint8_t *cur_code; |
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23 uint8_t *code_end; |
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24 uint8_t **ram_inst_sizes; |
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25 FILE *address_log; |
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26 uint8_t *read_16; |
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27 uint8_t *write_16; |
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28 uint8_t *read_8; |
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29 uint8_t *write_8; |
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30 uint8_t *read_32; |
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31 uint8_t *write_32_lowfirst; |
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32 uint8_t *write_32_highfirst; |
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33 uint8_t *handle_cycle_limit_int; |
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34 uint8_t *trap; |
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35 } x86_68k_options; |
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36 |
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37 typedef struct { |
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38 uint8_t flags[5]; |
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39 uint8_t status; |
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40 uint16_t int_ack; |
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41 uint32_t dregs[8]; |
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42 uint32_t aregs[9]; |
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43 uint32_t target_cycle; //cycle at which the next synchronization or interrupt occurs |
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44 uint32_t current_cycle; |
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45 uint32_t sync_cycle; |
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46 uint32_t int_cycle; |
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47 uint32_t int_num; |
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48 uint16_t *mem_pointers[NUM_MEM_AREAS]; |
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Add a second context pointer to m68k_context so that try_fifo_write can still have easy access to the VDP. Handle writes to Z80 code addresses from the 68K.
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49 void *video_context; |
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50 uint16_t reserved; |
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51 |
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52 native_map_slot *native_code_map; |
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53 void *options; |
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54 uint8_t ram_code_flags[32/8]; |
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55 void *system; |
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56 } m68k_context; |
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57 |
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58 uint8_t * translate_m68k(uint8_t * dst, struct m68kinst * inst, x86_68k_options * opts); |
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59 uint8_t * translate_m68k_stream(uint32_t address, m68k_context * context); |
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60 void start_68k_context(m68k_context * context, uint32_t address); |
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61 void init_x86_68k_opts(x86_68k_options * opts, memmap_chunk * memmap, uint32_t num_chunks); |
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62 void init_68k_context(m68k_context * context, native_map_slot * native_code_map, void * opts); |
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63 void m68k_reset(m68k_context * context); |
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64 void insert_breakpoint(m68k_context * context, uint32_t address, uint8_t * bp_handler); |
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65 void remove_breakpoint(m68k_context * context, uint32_t address); |
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66 m68k_context * m68k_handle_code_write(uint32_t address, m68k_context * context); |
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67 |
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68 #endif //M68K_TO_X86_H_ |
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69 |