Mercurial > repos > blastem
annotate z80_to_x86.h @ 564:316facea756d
Fix PC displacement mode check in disassembler so that jmps involving a register are handled correctly
author | Michael Pavone <pavone@retrodev.com> |
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date | Sat, 01 Mar 2014 17:07:33 -0800 |
parents | acec5464fa1e |
children | 6b248602ab84 ea80559c67cb |
rev | line source |
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1 /* |
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2 Copyright 2013 Michael Pavone |
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3 This file is part of BlastEm. |
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4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. |
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5 */ |
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6 #ifndef Z80_TO_X86_H_ |
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7 #define Z80_TO_X86_H_ |
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8 #include "z80inst.h" |
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9 #include "backend.h" |
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10 |
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11 #define ZNUM_MEM_AREAS 4 |
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12 #define ZMAX_NATIVE_SIZE 128 |
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13 |
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14 enum { |
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15 ZF_C = 0, |
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16 ZF_N, |
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17 ZF_PV, |
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18 ZF_H, |
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19 ZF_Z, |
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20 ZF_S, |
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21 ZF_NUM |
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22 }; |
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23 |
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24 typedef struct { |
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25 uint8_t * cur_code; |
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26 uint8_t * code_end; |
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27 uint8_t *ram_inst_sizes; |
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28 deferred_addr * deferred; |
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29 uint32_t flags; |
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30 int8_t regs[Z80_UNUSED]; |
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31 } x86_z80_options; |
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32 |
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33 typedef struct { |
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34 void * native_pc; |
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35 uint16_t sp; |
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36 uint8_t flags[ZF_NUM]; |
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37 uint16_t bank_reg; |
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38 uint8_t regs[Z80_A+1]; |
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39 uint8_t im; |
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40 uint8_t alt_regs[Z80_A+1]; |
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41 uint32_t target_cycle; |
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42 uint32_t current_cycle; |
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43 uint8_t alt_flags[ZF_NUM]; |
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44 uint8_t * mem_pointers[ZNUM_MEM_AREAS]; |
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45 uint8_t iff1; |
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46 uint8_t iff2; |
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47 uint16_t scratch1; |
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48 uint16_t scratch2; |
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49 void * extra_pc; |
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50 uint32_t sync_cycle; |
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51 uint32_t int_cycle; |
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52 native_map_slot * static_code_map; |
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53 native_map_slot * banked_code_map; |
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54 void * options; |
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55 void * system; |
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56 uint8_t ram_code_flags[(8 * 1024)/128/8]; |
335 | 57 uint32_t int_enable_cycle; |
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58 uint16_t pc; |
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59 } z80_context; |
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60 |
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61 void translate_z80_stream(z80_context * context, uint32_t address); |
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62 void init_x86_z80_opts(x86_z80_options * options); |
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63 void init_z80_context(z80_context * context, x86_z80_options * options); |
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64 uint8_t * z80_get_native_address(z80_context * context, uint32_t address); |
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65 uint8_t * z80_get_native_address_trans(z80_context * context, uint32_t address); |
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66 z80_context * z80_handle_code_write(uint32_t address, z80_context * context); |
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67 void z80_run(z80_context * context); |
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68 void z80_reset(z80_context * context); |
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69 void zinsert_breakpoint(z80_context * context, uint16_t address, uint8_t * bp_handler); |
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70 void zremove_breakpoint(z80_context * context, uint16_t address); |
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71 |
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72 #endif //Z80_TO_X86_H_ |
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73 |