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annotate m68k_to_x86.h @ 31:25016576b5f3
Make horizontal scrolling closer to correct, Comix Zone looks good, Sonic 2 slightly off
author | Mike Pavone <pavone@retrodev.com> |
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date | Sat, 08 Dec 2012 20:25:56 -0800 |
parents | 3e7bfde7606e |
children | 3b79cbcf6846 |
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1 #include <stdint.h> |
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2 #include "68kinst.h" |
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3 |
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4 #define NUM_MEM_AREAS 4 |
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5 #define NATIVE_MAP_CHUNKS (32*1024) |
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6 #define NATIVE_CHUNK_SIZE ((16 * 1024 * 1024 / NATIVE_MAP_CHUNKS)/2) |
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7 #define INVALID_OFFSET 0xFFFF |
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8 |
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9 typedef struct { |
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10 uint8_t *base; |
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11 uint16_t *offsets; |
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12 } native_map_slot; |
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13 |
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14 typedef struct deferred_addr { |
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15 struct deferred_addr *next; |
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16 uint8_t *dest; |
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17 uint32_t address; |
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18 } deferred_addr; |
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19 |
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20 typedef struct { |
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21 uint32_t flags; |
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22 int8_t dregs[8]; |
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23 int8_t aregs[8]; |
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24 native_map_slot *native_code_map; |
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25 deferred_addr *deferred; |
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26 |
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27 } x86_68k_options; |
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28 |
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29 typedef struct { |
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30 uint8_t flags[5]; |
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31 uint8_t status; |
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32 uint16_t reserved; |
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33 uint32_t dregs[8]; |
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34 uint32_t aregs[8]; |
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35 uint32_t target_cycle; |
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36 uint32_t current_cycle; |
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37 uint16_t *mem_pointers[NUM_MEM_AREAS]; |
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38 native_map_slot *native_code_map; |
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39 void *options; |
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40 } m68k_context; |
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41 |
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42 uint8_t * translate_m68k(uint8_t * dst, m68kinst * inst, x86_68k_options * opts); |
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43 uint8_t * translate_m68k_stream(uint8_t * dst, uint8_t * dst_end, uint32_t address, m68k_context * context); |
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44 void start_68k_context(m68k_context * context, uint32_t address); |
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45 void init_x86_68k_opts(x86_68k_options * opts); |
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46 void init_68k_context(m68k_context * context, native_map_slot * native_code_map, void * opts); |