Mercurial > repos > blastem
annotate genesis.h @ 1554:87350caf6dab
Allow double click to open ROM in file browser
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 29 Mar 2018 00:40:41 -0700 |
parents | 14a2834d010c |
children | 2564b6ba2e12 2455662378ed 075df0844baa |
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467
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Added copyright notice to source files and added GPL license text in COPYING
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1 /* |
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2 Copyright 2013 Michael Pavone |
483
3e1573fa22cf
Implement turbo/slow motion feature that overclocks or underclocks the entire system at the push of a button
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3 This file is part of BlastEm. |
467
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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 */ |
1103
22e87b739ad6
WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
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6 #ifndef GENESIS_H_ |
22e87b739ad6
WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
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7 #define GENESIS_H_ |
66 | 8 |
75 | 9 #include <stdint.h> |
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Mostly working changes to allow support for multiple emulated system types in main blastem program
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10 #include "system.h" |
569
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Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
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11 #include "m68k_core.h" |
288
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Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
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12 #include "z80_to_x86.h" |
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13 #include "ym2612.h" |
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14 #include "vdp.h" |
354
15dd6418fe67
Initial PSG support. Mostly works, noise channel is borked though.
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15 #include "psg.h" |
421
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Move IO code to a separate file and do a tiny bit of refactoring
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16 #include "io.h" |
769
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Initial work on I2C EEPROM implementation
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17 #include "romdb.h" |
883
9f149f0e98b7
It is now possible to switch back and forth between the menu ROM and the game
Michael Pavone <pavone@retrodev.com>
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18 #include "arena.h" |
1414
d94855080529
Move I2C EEPROM and NOR Flash functions out of romdb.c into new files
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19 #include "i2c.h" |
66 | 20 |
957 | 21 typedef struct genesis_context genesis_context; |
22 | |
23 struct genesis_context { | |
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Mostly working changes to allow support for multiple emulated system types in main blastem program
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24 system_header header; |
957 | 25 m68k_context *m68k; |
26 z80_context *z80; | |
27 vdp_context *vdp; | |
28 ym2612_context *ym; | |
29 psg_context *psg; | |
30 uint16_t *cart; | |
1016
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
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31 uint16_t *lock_on; |
957 | 32 uint16_t *work_ram; |
33 uint8_t *zram; | |
34 void *extra; | |
35 uint8_t *save_storage; | |
1413
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
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36 void *mapper_temp; |
957 | 37 eeprom_map *eeprom_map; |
38 uint32_t num_eeprom; | |
39 uint32_t save_size; | |
40 uint32_t save_ram_mask; | |
41 uint32_t master_clock; //Current master clock value | |
42 uint32_t normal_clock; //Normal master clock (used to restore master clock after turbo mode) | |
43 uint32_t frame_end; | |
44 uint32_t max_cycles; | |
1364
30123ca5856c
Added some code to try and prevent Z80 accesses and refresh cycles from screwing up interrupt latency more than on hardware
Michael Pavone <pavone@retrodev.com>
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45 uint32_t int_latency_prev1; |
30123ca5856c
Added some code to try and prevent Z80 accesses and refresh cycles from screwing up interrupt latency more than on hardware
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46 uint32_t int_latency_prev2; |
957 | 47 uint8_t bank_regs[8]; |
48 uint16_t mapper_start_index; | |
1444
14a2834d010c
Save/restore mapper state in native save states
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49 uint8_t mapper_type; |
957 | 50 uint8_t save_type; |
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Mostly working changes to allow support for multiple emulated system types in main blastem program
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51 sega_io io; |
1103
22e87b739ad6
WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents:
1016
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52 uint8_t version_reg; |
957 | 53 uint8_t bus_busy; |
1208
95f5253e75c7
Implement soft reset in Genesis mode
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54 uint8_t reset_requested; |
957 | 55 eeprom_state eeprom; |
1395
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
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56 nor_state nor; |
957 | 57 }; |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
198
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58 |
524
fb39534b6604
Move debugging code outside of main source file
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59 #define RAM_WORDS 32 * 1024 |
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Move debugging code outside of main source file
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60 #define Z80_RAM_BYTES 8 * 1024 |
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61 |
75 | 62 uint16_t read_dma_value(uint32_t address); |
707
8aa9aacefe12
Sync machine state before entering debugger
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63 m68k_context * sync_components(m68k_context *context, uint32_t address); |
1113
45db303fc705
Restore 68K address logging functionality
Michael Pavone <pavone@retrodev.com>
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64 genesis_context *alloc_config_genesis(void *rom, uint32_t rom_size, void *lock_on, uint32_t lock_on_size, uint32_t system_opts, uint8_t force_region, rom_info *info_out); |
1428
2540c05520f2
New savestates are working. New config file option for selecting format states will be saved in. Mostly complete, needs a little more work before release
Michael Pavone <pavone@retrodev.com>
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65 void genesis_serialize(genesis_context *gen, serialize_buffer *buf, uint32_t m68k_pc); |
2540c05520f2
New savestates are working. New config file option for selecting format states will be saved in. Mostly complete, needs a little more work before release
Michael Pavone <pavone@retrodev.com>
parents:
1414
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66 void genesis_deserialize(deserialize_buffer *buf, genesis_context *gen); |
66 | 67 |
1103
22e87b739ad6
WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
Michael Pavone <pavone@retrodev.com>
parents:
1016
diff
changeset
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68 #endif //GENESIS_H_ |
66 | 69 |