annotate romdb.h @ 2299:a1c9edf44c7e

Fix a place I missed a problem from the SDL2 upgrade
author Michael Pavone <pavone@retrodev.com>
date Thu, 09 Mar 2023 22:59:29 -0800
parents fd68fe5f723e
children 8016dbb0fcde
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1 #ifndef ROMDB_H_
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
2 #define ROMDB_H_
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4 #define REGION_J 1
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5 #define REGION_U 2
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
6 #define REGION_E 4
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
7
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
8 #define RAM_FLAG_ODD 0x18
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
9 #define RAM_FLAG_EVEN 0x10
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
10 #define RAM_FLAG_BOTH 0x00
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
11 #define RAM_FLAG_MASK RAM_FLAG_ODD
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
12 #define SAVE_I2C 0x01
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
13 #define SAVE_NOR 0x02
2027
0f54a898db03 Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents: 1863
diff changeset
14 #define SAVE_HBPT 0x03
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
15 #define SAVE_NONE 0xFF
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
16
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
17 #include "tern.h"
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
18 #include "serialize.h"
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
19
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
20 typedef struct {
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
21 uint32_t start;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
22 uint32_t end;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
23 uint16_t sda_write_mask;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
24 uint16_t scl_mask;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
25 uint8_t sda_read_bit;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
26 } eeprom_map;
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
27
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
28 typedef struct {
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
29 uint8_t *buffer;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
30 uint8_t *page_buffer;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
31 uint32_t size;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
32 uint32_t page_size;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
33 uint32_t current_page;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
34 uint32_t last_write_cycle;
1519
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1444
diff changeset
35 uint32_t cmd_address1;
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1444
diff changeset
36 uint32_t cmd_address2;
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
37 uint16_t product_id;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
38 uint8_t mode;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
39 uint8_t cmd_state;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
40 uint8_t alt_cmd;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
41 uint8_t bus_flags;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
42 } nor_state;
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
43
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
44 enum {
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
45 MAPPER_NONE,
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
46 MAPPER_SEGA,
1863
d60f2d7c02a5 Differentiate between the full Sega mapper and the SRAM only one. Fixes crash on save state load for Phantasy Star IV and other games that use the same mapper
Michael Pavone <pavone@retrodev.com>
parents: 1610
diff changeset
47 MAPPER_SEGA_SRAM,
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
48 MAPPER_REALTEC,
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
49 MAPPER_XBAND,
1610
c206a422d466 Added J-Cart support
Michael Pavone <pavone@retrodev.com>
parents: 1595
diff changeset
50 MAPPER_MULTI_GAME,
2052
3748a2a8a4b7 Support Sega mapper without 'SEGA SSF' in header or ROM DB entry and implement a subset of the extended Sega mapper implemented in the Mega Everdrive when 'SEGA SSF' is present
Michael Pavone <pavone@retrodev.com>
parents: 2027
diff changeset
51 MAPPER_JCART,
2253
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
52 MAPPER_SEGA_MED_V2,
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
53 MAPPER_SFT_WUKONG
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
54 };
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
55
1149
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
56
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
57 typedef struct rom_info rom_info;
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
58
1595
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
59 #include "memmap.h"
1149
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
60
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
61 struct rom_info {
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
62 char *name;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
63 memmap_chunk *map;
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
64 uint8_t *save_buffer;
1416
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1414
diff changeset
65 void *rom;
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
66 eeprom_map *eeprom_map;
913
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 776
diff changeset
67 char *port1_override;
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 776
diff changeset
68 char *port2_override;
a5a51465f8b0 Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 776
diff changeset
69 char *ext_override;
915
9e882eca717e Initial support for relative mouse mode and skeleton of support for capture mode. Avoid mouse position overflow in absolute mode. Allow absolute mode to be set by ROM DB.
Michael Pavone <pavone@retrodev.com>
parents: 913
diff changeset
70 char *mouse_mode;
1519
1f745318f10a Made the NOR flash emulation a bit more flexible, but not yet flexible enough to properly support the flash chip in the MegaWiFi cart
Michael Pavone <pavone@retrodev.com>
parents: 1444
diff changeset
71 nor_state *nor;
769
4638b88bc72d Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents: 767
diff changeset
72 uint32_t num_eeprom;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
73 uint32_t map_chunks;
1416
11ac0b511cff Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents: 1414
diff changeset
74 uint32_t rom_size;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
75 uint32_t save_size;
767
ea525f600b1d SRAM detection from ROM header is no working correctly again
Michael Pavone <pavone@retrodev.com>
parents: 766
diff changeset
76 uint32_t save_mask;
776
cbf97d335444 Full support for Sega mapper when it comes to data. Code in remapped sections may not work reliably. SSF2 now works.
Michael Pavone <pavone@retrodev.com>
parents: 770
diff changeset
77 uint16_t mapper_start_index;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
78 uint8_t save_type;
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
79 uint8_t save_bus; //only used for NOR currently
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
80 uint8_t mapper_type;
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
81 uint8_t regions;
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1395
diff changeset
82 uint8_t is_save_lock_on; //Does the save buffer actually belong to a lock-on cart?
2054
8ee7ecbf3f21 Implement enough of Sega CD gate array and Sub CPU to pass Sik's Mode 1 test ROM
Michael Pavone <pavone@retrodev.com>
parents: 2053
diff changeset
83 uint8_t wants_cd;
1149
6b0da6021544 Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents: 1016
diff changeset
84 };
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
85
2253
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
86 #define GAME_ID_OFF 0x180
fd68fe5f723e Add support for mapper used in Super Fighter Team release of Legend of Wukong
Michael Pavone <pavone@retrodev.com>
parents: 2054
diff changeset
87 #define GAME_ID_LEN 11
1228
2e6dcb5c11a2 WIP support for XBAND mapper hardware
Michael Pavone <pavone@retrodev.com>
parents: 1149
diff changeset
88
1503
a763523dadf4 Added code for initializing a combined Genesis + Sega CD system when a Sega CD ISO is loaded
Michael Pavone <pavone@retrodev.com>
parents: 1444
diff changeset
89 tern_node *get_rom_db();
1016
5fb64487b6e1 Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents: 956
diff changeset
90 rom_info configure_rom(tern_node *rom_db, void *vrom, uint32_t rom_size, void *lock_on, uint32_t lock_on_size, memmap_chunk const *base_map, uint32_t base_chunks);
766
1b2f8280ba81 WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents: 765
diff changeset
91 rom_info configure_rom_heuristics(uint8_t *rom, uint32_t rom_size, memmap_chunk const *base_map, uint32_t base_chunks);
765
dc54387ee1cd Allow regions to be set in ROM DB. Prefer default region if it is one of the valid regions for the ROM.
Michael Pavone <pavone@retrodev.com>
parents: 764
diff changeset
92 uint8_t translate_region_char(uint8_t c);
1395
efa7225e0f07 Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents: 1228
diff changeset
93 char const *save_type_name(uint8_t save_type);
1411
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1395
diff changeset
94 //Note: free_rom_info only frees things pointed to by a rom_info struct, not the struct itself
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1395
diff changeset
95 //this is because rom_info structs are typically stack allocated
780fbe0b97be WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents: 1395
diff changeset
96 void free_rom_info(rom_info *info);
1595
360d5bab199f Update controller config when changed in UI without restart
Michael Pavone <pavone@retrodev.com>
parents: 1519
diff changeset
97 typedef struct system_header system_header;
1444
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
98 void cart_serialize(system_header *sys, serialize_buffer *buf);
14a2834d010c Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents: 1416
diff changeset
99 void cart_deserialize(deserialize_buffer *buf, void *vcontext);
764
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
100
bb60259e8edf Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
101 #endif //ROMDB_H_