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annotate blastem.h @ 989:d70000fdff0b

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Implemented IR and undefined bits of info word for address error exception frames
author Michael Pavone <pavone@retrodev.com>
date Wed, 27 Apr 2016 21:39:17 -0700
parents 902c53d9c16f
children 5fb64487b6e1
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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 BLASTEM_H_
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7 #define BLASTEM_H_
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8
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9 #include <stdint.h>
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10 #include "m68k_core.h"
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11 #include "z80_to_x86.h"
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12 #include "ym2612.h"
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13 #include "vdp.h"
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14 #include "psg.h"
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15 #include "io.h"
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16 #include "config.h"
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17 #include "romdb.h"
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18 #include "arena.h"
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19
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20 typedef struct genesis_context genesis_context;
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21
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22 struct genesis_context {
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23 m68k_context *m68k;
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24 z80_context *z80;
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25 vdp_context *vdp;
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26 ym2612_context *ym;
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27 psg_context *psg;
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28 genesis_context *next_context;
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29 uint16_t *cart;
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30 uint16_t *work_ram;
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31 uint8_t *zram;
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32 void *extra;
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33 arena *arena;
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34 char *next_rom;
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35 char *save_dir;
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36 uint8_t *save_storage;
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37 eeprom_map *eeprom_map;
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38 uint32_t num_eeprom;
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39 uint32_t save_size;
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40 uint32_t save_ram_mask;
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41 uint32_t master_clock; //Current master clock value
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42 uint32_t normal_clock; //Normal master clock (used to restore master clock after turbo mode)
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43 uint32_t frame_end;
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44 uint32_t max_cycles;
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45 uint8_t bank_regs[8];
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46 uint16_t mapper_start_index;
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47 uint8_t save_type;
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48 io_port ports[3];
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49 uint8_t bus_busy;
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50 uint8_t should_exit;
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51 uint8_t save_state;
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52 uint8_t mouse_mode;
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53 uint8_t mouse_captured;
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54 eeprom_state eeprom;
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55 };
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57 extern genesis_context * genesis;
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58 extern int headless;
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59 extern int break_on_sync;
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60 extern tern_node * config;
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61
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62 #define RAM_WORDS 32 * 1024
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63 #define Z80_RAM_BYTES 8 * 1024
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64 #define QUICK_SAVE_SLOT 10
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66 extern uint16_t *cart;
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67 extern uint16_t *ram;
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68 extern uint8_t z80_ram[Z80_RAM_BYTES];
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70 uint16_t read_dma_value(uint32_t address);
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71 uint16_t get_open_bus_value();
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72 m68k_context * sync_components(m68k_context *context, uint32_t address);
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73 m68k_context * debugger(m68k_context * context, uint32_t address);
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74 void set_speed_percent(genesis_context * context, uint32_t percent);
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76 #endif //BLASTEM_H_
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