Mercurial > repos > blastem

annotate genesis.h @ 1106:cacbd3f18f03

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix field flag handling bug introduced with VDP/render interface cleanup
author Michael Pavone <pavone@retrodev.com>
date Mon, 12 Dec 2016 09:50:33 -0800
parents 22e87b739ad6
children 2eb54e24914e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
467
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING
Mike Pavone <pavone@retrodev.com>
parents: 451
diff changeset
1 /*
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING
Mike Pavone <pavone@retrodev.com>
parents: 451
diff changeset
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
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
3 This file is part of BlastEm.
467
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING
Mike Pavone <pavone@retrodev.com>
parents: 451
diff changeset
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.
140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING
Mike Pavone <pavone@retrodev.com>
parents: 451
diff changeset
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>
parents: 1016
diff changeset
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.
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
7 #define GENESIS_H_
66
7a22a0e6c004 Gamepad support
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
8
75
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
9 #include <stdint.h>
569
9b7fcf748be0 Rename x86_68k_options and m68k_to_x86.h to m68k_options and m68k_core.h respectively
Michael Pavone <pavone@retrodev.com>
parents: 524
diff changeset
10 #include "m68k_core.h"
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
diff changeset
11 #include "z80_to_x86.h"
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
diff changeset
12 #include "ym2612.h"
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
diff changeset
13 #include "vdp.h"
354
15dd6418fe67 Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents: 351
diff changeset
14 #include "psg.h"
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents: 418
diff changeset
15 #include "io.h"
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
16 #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>
parents: 874
diff changeset
17 #include "arena.h"
66
7a22a0e6c004 Gamepad support
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
18
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
19 typedef struct genesis_context genesis_context;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
20
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
21 struct genesis_context {
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
22 m68k_context *m68k;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
23 z80_context *z80;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
24 vdp_context *vdp;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
25 ym2612_context *ym;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
26 psg_context *psg;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
27 genesis_context *next_context;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
28 uint16_t *cart;
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 981
diff changeset
29 uint16_t *lock_on;
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
30 uint16_t *work_ram;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
31 uint8_t *zram;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
32 void *extra;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
33 arena *arena;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
34 char *next_rom;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
35 char *save_dir;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
36 uint8_t *save_storage;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
37 eeprom_map *eeprom_map;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
38 uint32_t num_eeprom;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
39 uint32_t save_size;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
40 uint32_t save_ram_mask;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
41 uint32_t master_clock; //Current master clock value
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
42 uint32_t normal_clock; //Normal master clock (used to restore master clock after turbo mode)
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
43 uint32_t frame_end;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
44 uint32_t max_cycles;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
45 uint8_t bank_regs[8];
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
46 uint16_t mapper_start_index;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
47 uint8_t save_type;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
48 io_port ports[3];
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
49 uint8_t version_reg;
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
50 uint8_t bus_busy;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
51 uint8_t should_exit;
961
750995b587a0 Save State menu option is now fully functional. Load state sort of works, but is mostly broken.
Michael Pavone <pavone@retrodev.com>
parents: 957
diff changeset
52 uint8_t save_state;
971
e28f365605da Move mouse mode and capture state to emulation context so it persists properly when switching between the menu and the game
Michael Pavone <pavone@retrodev.com>
parents: 961
diff changeset
53 uint8_t mouse_mode;
e28f365605da Move mouse mode and capture state to emulation context so it persists properly when switching between the menu and the game
Michael Pavone <pavone@retrodev.com>
parents: 961
diff changeset
54 uint8_t mouse_captured;
957
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
55 eeprom_state eeprom;
1618d3676a35 Save state menu WIP
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
56 };
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
diff changeset
57
421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents: 418
diff changeset
58 extern genesis_context * genesis;
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents: 418
diff changeset
59 extern int break_on_sync;
66
7a22a0e6c004 Gamepad support
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
60
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents: 508
diff changeset
61 #define RAM_WORDS 32 * 1024
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents: 508
diff changeset
62 #define Z80_RAM_BYTES 8 * 1024
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents: 508
diff changeset
63
75
108e587165c0 Implement DMA (untested)
Mike Pavone <pavone@retrodev.com>
parents: 66
diff changeset
64 uint16_t read_dma_value(uint32_t address);
981
902c53d9c16f Half assed, prefetch based open bus value emulation. Gets BlastEm up to 119/122 in VDP FIFO Testing
Michael Pavone <pavone@retrodev.com>
parents: 971
diff changeset
65 uint16_t get_open_bus_value();
707
8aa9aacefe12 Sync machine state before entering debugger
Michael Pavone <pavone@retrodev.com>
parents: 696
diff changeset
66 m68k_context * sync_components(m68k_context *context, uint32_t address);
198
209a37eed3e7 Add support for breaking into the debugger while game is running
Mike Pavone <pavone@retrodev.com>
parents: 75
diff changeset
67 m68k_context * debugger(m68k_context * context, uint32_t address);
483
3e1573fa22cf Implement turbo/slow motion feature that overclocks or underclocks the entire system at the push of a button
Mike Pavone <pavone@retrodev.com>
parents: 467
diff changeset
68 void set_speed_percent(genesis_context * context, uint32_t percent);
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
69 genesis_context *alloc_config_genesis(void *rom, uint32_t rom_size, void *lock_on, uint32_t lock_on_size, uint32_t ym_opts, uint8_t force_region, rom_info *info_out);
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
70 void start_genesis(genesis_context *gen, char *statefile, uint8_t *debugger);
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
71 void free_genesis(genesis_context *gen);
66
7a22a0e6c004 Gamepad support
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
72
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
73 #endif //GENESIS_H_
66
7a22a0e6c004 Gamepad support
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
74