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annotate z80_to_x86.h @ 235:d9bf8e61c33c

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Get Z80 core working for simple programs
author Mike Pavone <pavone@retrodev.com>
date Thu, 25 Apr 2013 21:01:11 -0700
parents 4d4559b04c59
children 2586d49ddd46
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4d4559b04c59 Make reset trigger debug exit to make it easier to test the same cases in blastem and musashi. Fix asl #1 overflow flag.
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1 #ifndef Z80_TO_X86_H_
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2 #define Z80_TO_X86_H_
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3 #include "z80inst.h"
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4 #include "x86_backend.h"
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5
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6 #define ZNUM_MEM_AREAS 4
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7
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8 enum {
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9 ZF_C = 0,
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10 ZF_N,
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11 ZF_PV,
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12 ZF_H,
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13 ZF_Z,
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14 ZF_S,
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15 ZF_NUM
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16 };
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18 typedef struct {
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19 uint8_t * cur_code;
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20 uint8_t * code_end;
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21 deferred_addr * deferred;
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22 uint32_t flags;
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23 int8_t regs[Z80_UNUSED];
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24 } x86_z80_options;
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26 typedef struct {
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27 void * native_pc;
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28 uint16_t sp;
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29 uint8_t flags[ZF_NUM];
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30 uint16_t bank_reg;
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31 uint8_t regs[Z80_A+1];
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32 uint8_t alt_regs[Z80_A+1];
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33 uint32_t target_cycle;
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34 uint32_t current_cycle;
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35 uint8_t * mem_pointers[ZNUM_MEM_AREAS];
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36 native_map_slot * static_code_map;
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37 native_map_slot * banked_code_map;
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38 void * options;
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39 void * next_context;
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40 } z80_context;
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41
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42 void translate_z80_stream(z80_context * context, uint32_t address);
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43 void init_x86_z80_opts(x86_z80_options * options);
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44 void init_z80_context(z80_context * context, x86_z80_options * options);
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45 uint8_t * z80_get_native_address(z80_context * context, uint32_t address);
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46 void z80_run(z80_context * context);
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47 void z80_reset(z80_context * context);
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49 #endif //Z80_TO_X86_H_
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