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annotate m68k_to_x86.h @ 141:576f55711d8d

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Fix DMA in progress flag in VDP status register
author Mike Pavone <pavone@retrodev.com>
date Mon, 31 Dec 2012 18:12:08 -0800
parents dd3c680c618c
children 94a65fb4e1c7
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1 #include <stdint.h>
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2 #include "68kinst.h"
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4 #define NUM_MEM_AREAS 4
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5 #define NATIVE_MAP_CHUNKS (64*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 0xFFFFFFFF
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9 typedef struct {
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10 uint8_t *base;
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11 int32_t *offsets;
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12 } native_map_slot;
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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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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 uint8_t *cur_code;
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27 uint8_t *code_end;
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28 } x86_68k_options;
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30 typedef struct {
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31 uint8_t flags[5];
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32 uint8_t status;
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33 uint16_t reserved;
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34 uint32_t dregs[8];
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35 uint32_t aregs[9];
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36 uint32_t target_cycle; //cycle at which the next synchronization or interrupt occurs
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37 uint32_t current_cycle;
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38 uint32_t sync_cycle;
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39 uint32_t int_cycle;
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40 uint32_t int_num;
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41 uint16_t *mem_pointers[NUM_MEM_AREAS];
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42 void *next_context;
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43 uint16_t value;
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45 native_map_slot *native_code_map;
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46 void *options;
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47 } m68k_context;
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49 uint8_t * translate_m68k(uint8_t * dst, m68kinst * inst, x86_68k_options * opts);
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50 uint8_t * translate_m68k_stream(uint32_t address, m68k_context * context);
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51 void start_68k_context(m68k_context * context, uint32_t address);
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52 void init_x86_68k_opts(x86_68k_options * opts);
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53 void init_68k_context(m68k_context * context, native_map_slot * native_code_map, void * opts);
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54 void m68k_reset(m68k_context * context);
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