Mercurial > repos > blastem
annotate blastem.h @ 653:a18e3923481e
Remove some of the hard coded assumptions about the memory map from the CPU cores
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Thu, 01 Jan 2015 14:36:55 -0800 |
parents | 9b7fcf748be0 |
children | 5439ae7946ca |
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 */ |
66 | 6 #ifndef BLASTEM_H_ |
7 #define BLASTEM_H_ | |
8 | |
75 | 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" |
430
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
421
diff
changeset
|
16 #include "config.h" |
66 | 17 |
351
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
288
diff
changeset
|
18 #define RAM_FLAG_ODD 0x1800 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
288
diff
changeset
|
19 #define RAM_FLAG_EVEN 0x1000 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
288
diff
changeset
|
20 #define RAM_FLAG_BOTH 0x0000 |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
288
diff
changeset
|
21 |
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
|
22 #define CYCLE_NEVER 0xFFFFFFFF |
d0cacb4ade0b
Move IO code to a separate file and do a tiny bit of refactoring
Mike Pavone <pavone@retrodev.com>
parents:
418
diff
changeset
|
23 |
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
|
24 typedef struct { |
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
|
25 m68k_context *m68k; |
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
|
26 z80_context *z80; |
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
|
27 vdp_context *vdp; |
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
|
28 ym2612_context *ym; |
354
15dd6418fe67
Initial PSG support. Mostly works, noise channel is borked though.
Mike Pavone <pavone@retrodev.com>
parents:
351
diff
changeset
|
29 psg_context *psg; |
351
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
288
diff
changeset
|
30 uint8_t *save_ram; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
288
diff
changeset
|
31 uint32_t save_ram_mask; |
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
288
diff
changeset
|
32 uint32_t save_flags; |
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
|
33 uint32_t master_clock; //Current master clock value |
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
|
34 uint32_t normal_clock; //Normal master clock (used to restore master clock after turbo mode) |
351
2f264d2a60c2
Support for SRAM with SEGA mapper. Half-finished support for SRAM without SEGA mapper.
Mike Pavone <pavone@retrodev.com>
parents:
288
diff
changeset
|
35 uint8_t bank_regs[8]; |
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
|
36 io_port ports[3]; |
508
b976c6d6e5fb
Initial attempt at emulating extended bank area access delays when 68K bus is busy with VDP stuff. Also emulate the extra delay on the second access of a word-wide read to the bank area. Needs work as it seems to break stuff.
Michael Pavone <pavone@retrodev.com>
parents:
505
diff
changeset
|
37 uint8_t bus_busy; |
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
|
38 } genesis_context; |
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
|
39 |
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
|
40 extern genesis_context * genesis; |
505
b7b7a1cab44a
The local clone on my laptop got messed up and some changes had not been pushed. This commit represents the status of the working copy from that clone. It unfortunately contains some changes that I did not intend to commit yet, but this seems like the best option at the moment.
Michael Pavone <pavone@retrodev.com>
parents:
483
diff
changeset
|
41 extern int headless; |
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
|
42 extern int break_on_sync; |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
430
diff
changeset
|
43 extern int save_state; |
430
7f84090ab1cd
Add config file parser and default config file
Mike Pavone <pavone@retrodev.com>
parents:
421
diff
changeset
|
44 extern tern_node * config; |
451
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
430
diff
changeset
|
45 extern uint8_t busreq; |
b7c3b2d22858
Added support for saving savestates. Added gst savestate format test harness
Mike Pavone <pavone@retrodev.com>
parents:
430
diff
changeset
|
46 extern uint8_t reset; |
66 | 47 |
524
fb39534b6604
Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
508
diff
changeset
|
48 #define CARTRIDGE_WORDS 0x200000 |
fb39534b6604
Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
508
diff
changeset
|
49 #define RAM_WORDS 32 * 1024 |
fb39534b6604
Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
508
diff
changeset
|
50 #define Z80_RAM_BYTES 8 * 1024 |
fb39534b6604
Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
508
diff
changeset
|
51 |
fb39534b6604
Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
508
diff
changeset
|
52 extern uint16_t cart[CARTRIDGE_WORDS]; |
fb39534b6604
Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
508
diff
changeset
|
53 extern uint16_t ram[RAM_WORDS]; |
fb39534b6604
Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
508
diff
changeset
|
54 extern uint8_t z80_ram[Z80_RAM_BYTES]; |
fb39534b6604
Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
508
diff
changeset
|
55 |
75 | 56 uint16_t read_dma_value(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
|
57 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
|
58 void set_speed_percent(genesis_context * context, uint32_t percent); |
66 | 59 |
60 #endif //BLASTEM_H_ | |
61 |