Mercurial > repos > blastem
annotate romdb.c @ 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
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Sat, 01 Jan 2022 18:54:46 -0800 |
parents | 8b2ef428d1aa |
children | 3414a4423de1 |
rev | line source |
---|---|
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1 #include <stdlib.h> |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
2 #include <string.h> |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
3 #include "config.h" |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
4 #include "romdb.h" |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
5 #include "util.h" |
1305
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
6 #include "hash.h" |
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:
1091
diff
changeset
|
7 #include "genesis.h" |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
8 #include "menu.h" |
1228
2e6dcb5c11a2
WIP support for XBAND mapper hardware
Michael Pavone <pavone@retrodev.com>
parents:
1221
diff
changeset
|
9 #include "xband.h" |
1259
23c94f5266d1
Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents:
1228
diff
changeset
|
10 #include "realtec.h" |
1414
d94855080529
Move I2C EEPROM and NOR Flash functions out of romdb.c into new files
Michael Pavone <pavone@retrodev.com>
parents:
1413
diff
changeset
|
11 #include "nor.h" |
1415
f7d653bb8899
Move Sega mapper implementation out of romdb.c
Michael Pavone <pavone@retrodev.com>
parents:
1414
diff
changeset
|
12 #include "sega_mapper.h" |
1416
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
13 #include "multi_game.h" |
1513
8f3b6a64b658
Initial work on MegaWiFi support
Michael Pavone <pavone@retrodev.com>
parents:
1470
diff
changeset
|
14 #include "megawifi.h" |
1610 | 15 #include "jcart.h" |
1548
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
16 #include "blastem.h" |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
17 |
1006
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
18 #define DOM_TITLE_START 0x120 |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
19 #define DOM_TITLE_END 0x150 |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
20 #define TITLE_START DOM_TITLE_END |
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
|
21 #define TITLE_END (TITLE_START+48) |
766
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
22 #define ROM_END 0x1A4 |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
23 #define RAM_ID 0x1B0 |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
24 #define RAM_FLAGS 0x1B2 |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
25 #define RAM_START 0x1B4 |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
26 #define RAM_END 0x1B8 |
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
|
27 #define REGION_START 0x1F0 |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
28 |
1395
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
29 char const *save_type_name(uint8_t save_type) |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
30 { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
31 if (save_type == SAVE_I2C) { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
32 return "EEPROM"; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
33 } else if(save_type == SAVE_NOR) { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
34 return "NOR Flash"; |
2027
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
35 } else if(save_type == SAVE_HBPT) { |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
36 return "Heartbeat Personal Trainer"; |
1395
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
37 } |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
38 return "SRAM"; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
39 } |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
40 |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
41 tern_node *load_rom_db() |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
42 { |
875
54ffba3768d6
Make menu stuff work on Android (theoretically)
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
43 tern_node *db = parse_bundled_config("rom.db"); |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
44 if (!db) { |
792
724bbec47f86
Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents:
781
diff
changeset
|
45 fatal_error("Failed to load ROM DB\n"); |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
46 } |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
47 return db; |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
48 } |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
49 |
1411
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
50 void free_rom_info(rom_info *info) |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
51 { |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
52 free(info->name); |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
53 if (info->save_type != SAVE_NONE) { |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
54 free(info->save_buffer); |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
55 if (info->save_type == SAVE_I2C) { |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
56 free(info->eeprom_map); |
1592
31effaadf877
Fix some memory errors (mostly leaks) identified by valgrind
Michael Pavone <pavone@retrodev.com>
parents:
1548
diff
changeset
|
57 } else if (info->save_type == SAVE_NOR) { |
31effaadf877
Fix some memory errors (mostly leaks) identified by valgrind
Michael Pavone <pavone@retrodev.com>
parents:
1548
diff
changeset
|
58 free(info->nor); |
1411
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
59 } |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
60 } |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
61 free(info->map); |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
62 free(info->port1_override); |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
63 free(info->port2_override); |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
64 free(info->ext_override); |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
65 free(info->mouse_mode); |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
66 } |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
67 |
1444
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
68 void cart_serialize(system_header *sys, serialize_buffer *buf) |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
69 { |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
70 if (sys->type != SYSTEM_GENESIS) { |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
71 return; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
72 } |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
73 genesis_context *gen = (genesis_context *)sys; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
74 if (gen->mapper_type == MAPPER_NONE) { |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
75 return; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
76 } |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
77 start_section(buf, SECTION_MAPPER); |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
78 save_int8(buf, gen->mapper_type); |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
79 switch(gen->mapper_type) |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
80 { |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
81 case 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:
1847
diff
changeset
|
82 case MAPPER_SEGA_SRAM: |
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:
2034
diff
changeset
|
83 case MAPPER_SEGA_MED_V2: |
1444
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
84 sega_mapper_serialize(gen, buf); |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
85 break; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
86 case MAPPER_REALTEC: |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
87 realtec_serialize(gen, buf); |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
88 break; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
89 case MAPPER_XBAND: |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
90 xband_serialize(gen, buf); |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
91 break; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
92 case MAPPER_MULTI_GAME: |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
93 multi_game_serialize(gen, buf); |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
94 break; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
95 } |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
96 end_section(buf); |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
97 } |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
98 |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
99 void cart_deserialize(deserialize_buffer *buf, void *vcontext) |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
100 { |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
101 genesis_context *gen = vcontext; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
102 uint8_t mapper_type = load_int8(buf); |
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:
1847
diff
changeset
|
103 if (mapper_type != gen->mapper_type && (mapper_type != MAPPER_SEGA || gen->mapper_type != MAPPER_SEGA_SRAM)) { |
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:
1847
diff
changeset
|
104 warning("Mapper type mismatch, skipping load of mapper state\n"); |
1444
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
105 return; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
106 } |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
107 switch(gen->mapper_type) |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
108 { |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
109 case 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:
1847
diff
changeset
|
110 case MAPPER_SEGA_SRAM: |
1444
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
111 sega_mapper_deserialize(buf, gen); |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
112 break; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
113 case MAPPER_REALTEC: |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
114 realtec_deserialize(buf, gen); |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
115 break; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
116 case MAPPER_XBAND: |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
117 xband_deserialize(buf, gen); |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
118 break; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
119 case MAPPER_MULTI_GAME: |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
120 multi_game_deserialize(buf, gen); |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
121 break; |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
122 } |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
123 } |
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
124 |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
125 char *get_header_name(uint8_t *rom) |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
126 { |
1006
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
127 //TODO: Should probably prefer the title field that corresponds to the user's region preference |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
128 uint8_t *last = rom + TITLE_END - 1; |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
129 uint8_t *src = rom + TITLE_START; |
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:
2034
diff
changeset
|
130 |
1006
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
131 for (;;) |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
132 { |
1006
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
133 while (last > src && (*last <= 0x20 || *last >= 0x80)) |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
134 { |
1006
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
135 last--; |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
136 } |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
137 if (last == src) { |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
138 if (src == rom + TITLE_START) { |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
139 src = rom + DOM_TITLE_START; |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
140 last = rom + DOM_TITLE_END - 1; |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
141 } else { |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
142 return strdup("UNKNOWN"); |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
143 } |
1006
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
144 } else { |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
145 last++; |
1031
219de1d64aa1
Fixed a bug in get_header_name that results in a crash if the "International Name" field is blank
Michael Pavone <pavone@retrodev.com>
parents:
1016
diff
changeset
|
146 char *ret = malloc(last - src + 1); |
1006
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
147 uint8_t *dst; |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
148 uint8_t last_was_space = 1; |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
149 for (dst = ret; src < last; src++) |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
150 { |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
151 if (*src >= 0x20 && *src < 0x80) { |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
152 if (*src == ' ') { |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
153 if (last_was_space) { |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
154 continue; |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
155 } |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
156 last_was_space = 1; |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
157 } else { |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
158 last_was_space = 0; |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
159 } |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
160 *(dst++) = *src; |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
161 } |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
162 } |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
163 *dst = 0; |
9ab35686a025
Improve parsing of game name from ROM header
Michael Pavone <pavone@retrodev.com>
parents:
938
diff
changeset
|
164 return ret; |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
165 } |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
166 } |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
167 } |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
168 |
1195
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
169 char *region_chars = "JUEW"; |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
170 uint8_t region_bits[] = {REGION_J, REGION_U, REGION_E, REGION_J|REGION_U|REGION_E}; |
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
|
171 |
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
|
172 uint8_t translate_region_char(uint8_t c) |
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:
2034
diff
changeset
|
173 { |
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
|
174 for (int i = 0; i < sizeof(region_bits); i++) |
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
|
175 { |
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
|
176 if (c == region_chars[i]) { |
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
|
177 return region_bits[i]; |
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
|
178 } |
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
|
179 } |
1195
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
180 uint8_t bin_region = 0; |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
181 if (c >= '0' && c <= '9') { |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
182 bin_region = c - '0'; |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
183 } else if (c >= 'A' && c <= 'F') { |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
184 bin_region = c - 'A' + 0xA; |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
185 } else if (c >= 'a' && c <= 'f') { |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
186 bin_region = c - 'a' + 0xA; |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
187 } |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
188 uint8_t ret = 0; |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
189 if (bin_region & 8) { |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
190 ret |= REGION_E; |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
191 } |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
192 if (bin_region & 4) { |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
193 ret |= REGION_U; |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
194 } |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
195 if (bin_region & 1) { |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
196 ret |= REGION_J; |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
197 } |
b8ba086b96ed
Improved parsing of cartridge region header
Michael Pavone <pavone@retrodev.com>
parents:
1103
diff
changeset
|
198 return ret; |
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
|
199 } |
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
|
200 |
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
|
201 uint8_t get_header_regions(uint8_t *rom) |
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
|
202 { |
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
|
203 uint8_t regions = 0; |
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
|
204 for (int i = 0; i < 3; i++) |
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
|
205 { |
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
|
206 regions |= translate_region_char(rom[REGION_START + i]); |
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
|
207 } |
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
|
208 return regions; |
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
|
209 } |
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
|
210 |
766
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
211 uint32_t get_u32be(uint8_t *data) |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
212 { |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
213 return *data << 24 | data[1] << 16 | data[2] << 8 | data[3]; |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
214 } |
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
|
215 |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
216 uint32_t calc_mask(uint32_t src_size, uint32_t start, uint32_t end) |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
217 { |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
218 uint32_t map_size = end-start+1; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
219 if (src_size < map_size) { |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
220 return nearest_pow2(src_size)-1; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
221 } else if (!start) { |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
222 return 0xFFFFFF; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
223 } else { |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
224 return nearest_pow2(map_size)-1; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
225 } |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
226 } |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
227 |
1409
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
228 uint8_t has_ram_header(uint8_t *rom, uint32_t rom_size) |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
229 { |
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:
2034
diff
changeset
|
230 return rom_size >= (RAM_END + 4) && rom[RAM_ID] == 'R' && rom[RAM_ID + 1] == 'A'; |
1409
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
231 } |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
232 |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
233 uint32_t read_ram_header(rom_info *info, uint8_t *rom) |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
234 { |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
235 uint32_t ram_start = get_u32be(rom + RAM_START); |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
236 uint32_t ram_end = get_u32be(rom + RAM_END); |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
237 uint32_t ram_flags = info->save_type = rom[RAM_FLAGS] & RAM_FLAG_MASK; |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
238 ram_start &= 0xFFFFFE; |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
239 ram_end |= 1; |
1425
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
240 if (ram_start >= 0x800000) { |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
241 info->save_buffer = NULL; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
242 return ram_start; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
243 } |
1409
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
244 info->save_mask = ram_end - ram_start; |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
245 uint32_t save_size = info->save_mask + 1; |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
246 if (ram_flags != RAM_FLAG_BOTH) { |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
247 save_size /= 2; |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
248 } |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
249 info->save_size = save_size; |
1847
882746581f17
Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents:
1822
diff
changeset
|
250 info->save_buffer = calloc(save_size, 1); |
1409
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
251 return ram_start; |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
252 } |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
253 |
766
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
254 void add_memmap_header(rom_info *info, uint8_t *rom, uint32_t size, memmap_chunk const *base_map, int base_chunks) |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
255 { |
777
79b10b421d3c
Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents:
776
diff
changeset
|
256 uint32_t rom_end = get_u32be(rom + ROM_END) + 1; |
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:
2034
diff
changeset
|
257 uint32_t rom_end_raw = rom_end; |
777
79b10b421d3c
Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents:
776
diff
changeset
|
258 if (size > rom_end) { |
79b10b421d3c
Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents:
776
diff
changeset
|
259 rom_end = size; |
79b10b421d3c
Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents:
776
diff
changeset
|
260 } else if (rom_end > nearest_pow2(size)) { |
79b10b421d3c
Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents:
776
diff
changeset
|
261 rom_end = nearest_pow2(size); |
79b10b421d3c
Support large flat-mapped ROMs like Bad Apple or that Mortal Kombat hack
Michael Pavone <pavone@retrodev.com>
parents:
776
diff
changeset
|
262 } |
1898
ebf124803a93
Make sure save_type is properly initialized
Mike Pavone <pavone@retrodev.com>
parents:
1863
diff
changeset
|
263 info->save_type = SAVE_NONE; |
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:
2034
diff
changeset
|
264 uint8_t is_med_ssf = size >= 0x108 && !memcmp("SEGA SSF", rom + 0x100, 8); |
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:
2034
diff
changeset
|
265 if (is_med_ssf || (size >= 0x400000 && rom_end_raw <= 0x400000)) { |
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:
2034
diff
changeset
|
266 if (is_med_ssf && rom_end < 16*1024*1024) { |
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:
2034
diff
changeset
|
267 info->rom = rom = realloc(rom, 16*1024*1024); |
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:
2034
diff
changeset
|
268 } |
1287
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
269 info->mapper_start_index = 0; |
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:
2034
diff
changeset
|
270 info->mapper_type = is_med_ssf ? MAPPER_SEGA_MED_V2 : MAPPER_SEGA; |
1287
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
271 info->map_chunks = base_chunks + 9; |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
272 info->map = malloc(sizeof(memmap_chunk) * info->map_chunks); |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
273 memset(info->map, 0, sizeof(memmap_chunk)*9); |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
274 memcpy(info->map+9, base_map, sizeof(memmap_chunk) * base_chunks); |
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:
2034
diff
changeset
|
275 |
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:
2034
diff
changeset
|
276 int i; |
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:
2034
diff
changeset
|
277 uint16_t map_flags; |
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:
2034
diff
changeset
|
278 if (is_med_ssf) { |
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:
2034
diff
changeset
|
279 i = 0; |
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:
2034
diff
changeset
|
280 map_flags = info->map[i].flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE; |
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:
2034
diff
changeset
|
281 info->save_type = RAM_FLAG_BOTH; |
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:
2034
diff
changeset
|
282 info->save_size = 256*1024; |
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:
2034
diff
changeset
|
283 info->save_mask = info->save_size - 1; |
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:
2034
diff
changeset
|
284 info->save_buffer = rom + 16*1024*1024 - 256*1024; |
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:
2034
diff
changeset
|
285 } else { |
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:
2034
diff
changeset
|
286 i = 1; |
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:
2034
diff
changeset
|
287 map_flags = info->map[i].flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE | MMAP_FUNC_NULL; |
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:
2034
diff
changeset
|
288 info->map[0].start = 0; |
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:
2034
diff
changeset
|
289 info->map[0].end = 0x80000; |
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:
2034
diff
changeset
|
290 info->map[0].mask = 0xFFFFFF; |
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:
2034
diff
changeset
|
291 info->map[0].flags = MMAP_READ; |
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:
2034
diff
changeset
|
292 info->map[0].buffer = rom; |
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:
2034
diff
changeset
|
293 |
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:
2034
diff
changeset
|
294 if (has_ram_header(rom, size)){ |
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:
2034
diff
changeset
|
295 read_ram_header(info, rom); |
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:
2034
diff
changeset
|
296 } |
1409
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
297 } |
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:
2034
diff
changeset
|
298 static const write_8_fun med_w8[] = { |
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:
2034
diff
changeset
|
299 write_med_ram0_b, |
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:
2034
diff
changeset
|
300 write_med_ram1_b, |
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:
2034
diff
changeset
|
301 write_med_ram2_b, |
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:
2034
diff
changeset
|
302 write_med_ram3_b, |
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:
2034
diff
changeset
|
303 write_med_ram4_b, |
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:
2034
diff
changeset
|
304 write_med_ram5_b, |
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:
2034
diff
changeset
|
305 write_med_ram6_b, |
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:
2034
diff
changeset
|
306 write_med_ram7_b, |
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:
2034
diff
changeset
|
307 }; |
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:
2034
diff
changeset
|
308 static const write_16_fun med_w16[] = { |
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:
2034
diff
changeset
|
309 write_med_ram0_w, |
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:
2034
diff
changeset
|
310 write_med_ram1_w, |
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:
2034
diff
changeset
|
311 write_med_ram2_w, |
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:
2034
diff
changeset
|
312 write_med_ram3_w, |
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:
2034
diff
changeset
|
313 write_med_ram4_w, |
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:
2034
diff
changeset
|
314 write_med_ram5_w, |
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:
2034
diff
changeset
|
315 write_med_ram6_w, |
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:
2034
diff
changeset
|
316 write_med_ram7_w, |
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:
2034
diff
changeset
|
317 }; |
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:
2034
diff
changeset
|
318 |
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:
2034
diff
changeset
|
319 for (; i < 8; i++) |
1287
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
320 { |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
321 info->map[i].start = i * 0x80000; |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
322 info->map[i].end = (i + 1) * 0x80000; |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
323 info->map[i].mask = 0x7FFFF; |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
324 info->map[i].buffer = (i + 1) * 0x80000 <= size ? rom + i * 0x80000 : rom; |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
325 info->map[i].ptr_index = i; |
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:
2034
diff
changeset
|
326 info->map[i].flags = map_flags; |
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:
2034
diff
changeset
|
327 |
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:
2034
diff
changeset
|
328 info->map[i].read_16 = is_med_ssf ? NULL : (read_16_fun)read_sram_w;//these will only be called when mem_pointers[i] == NULL |
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:
2034
diff
changeset
|
329 info->map[i].read_8 = is_med_ssf ? NULL : (read_8_fun)read_sram_b; |
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:
2034
diff
changeset
|
330 if (is_med_ssf) { |
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:
2034
diff
changeset
|
331 info->map[i].write_16 = med_w16[i]; |
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:
2034
diff
changeset
|
332 info->map[i].write_8 = med_w8[i]; |
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:
2034
diff
changeset
|
333 } else { |
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:
2034
diff
changeset
|
334 info->map[i].write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area |
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:
2034
diff
changeset
|
335 info->map[i].write_8 = (write_8_fun)write_sram_area_b; |
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:
2034
diff
changeset
|
336 } |
1287
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
337 } |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
338 info->map[8].start = 0xA13000; |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
339 info->map[8].end = 0xA13100; |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
340 info->map[8].mask = 0xFF; |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
341 info->map[8].write_16 = (write_16_fun)write_bank_reg_w; |
65f03a0a426a
Add Mega Everdrive style header detection for homebrew using the SSF2 mapper, though without the Mega Everdrive extensions. Properly invalidate translated code on a bank switch when using the SSF2/Sega mapper
Michael Pavone <pavone@retrodev.com>
parents:
1281
diff
changeset
|
342 info->map[8].write_8 = (write_8_fun)write_bank_reg_b; |
1425
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
343 return; |
1794
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
344 } else if(!memcmp("SEGA MEGAWIFI", rom + 0x100, strlen("SEGA MEGAWIFI"))) { |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
345 info->mapper_type = MAPPER_NONE; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
346 info->map_chunks = base_chunks + 2; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
347 info->map = malloc(sizeof(memmap_chunk) * info->map_chunks); |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
348 memset(info->map, 0, sizeof(memmap_chunk)*2); |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
349 memcpy(info->map+2, base_map, sizeof(memmap_chunk) * base_chunks); |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
350 info->save_size = 0x400000; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
351 info->save_bus = RAM_FLAG_BOTH; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
352 info->save_type = SAVE_NOR; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
353 info->map[0].start = 0; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
354 info->map[0].end = 0x400000; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
355 info->map[0].mask = 0xFFFFFF; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
356 info->map[0].write_16 = nor_flash_write_w; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
357 info->map[0].write_8 = nor_flash_write_b; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
358 info->map[0].read_16 = nor_flash_read_w; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
359 info->map[0].read_8 = nor_flash_read_b; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
360 info->map[0].flags = MMAP_READ_CODE | MMAP_CODE; |
1847
882746581f17
Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents:
1822
diff
changeset
|
361 info->map[0].buffer = info->save_buffer = calloc(info->save_size, 1); |
1794
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
362 uint32_t init_size = size < info->save_size ? size : info->save_size; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
363 memcpy(info->save_buffer, rom, init_size); |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
364 byteswap_rom(info->save_size, (uint16_t *)info->save_buffer); |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
365 info->nor = calloc(1, sizeof(nor_state)); |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
366 nor_flash_init(info->nor, info->save_buffer, info->save_size, 128, 0xDA45, RAM_FLAG_BOTH); |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
367 info->nor->cmd_address1 = 0xAAB; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
368 info->nor->cmd_address2 = 0x555; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
369 info->map[1].start = 0xA130C0; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
370 info->map[1].end = 0xA130D0; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
371 info->map[1].mask = 0xFFFFFF; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
372 if (!strcmp( |
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:
2034
diff
changeset
|
373 "on", |
1794
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
374 tern_find_path_default(config, "system\0megawifi\0", (tern_val){.ptrval="off"}, TVAL_PTR).ptrval) |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
375 ) { |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
376 info->map[1].write_16 = megawifi_write_w; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
377 info->map[1].write_8 = megawifi_write_b; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
378 info->map[1].read_16 = megawifi_read_w; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
379 info->map[1].read_8 = megawifi_read_b; |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
380 } else { |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
381 warning("ROM uses MegaWiFi, but it is disabled\n"); |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
382 } |
4cd226288958
Added support for detecting Mega WiFi titles based on a header string
Michael Pavone <pavone@retrodev.com>
parents:
1792
diff
changeset
|
383 return; |
1409
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
384 } else if (has_ram_header(rom, size)) { |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
385 uint32_t ram_start = read_ram_header(info, rom); |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
386 |
1425
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
387 if (info->save_buffer) { |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
388 info->map_chunks = base_chunks + (ram_start >= rom_end ? 2 : 3); |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
389 info->map = malloc(sizeof(memmap_chunk) * info->map_chunks); |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
390 memset(info->map, 0, sizeof(memmap_chunk)*2); |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
391 memcpy(info->map+2, base_map, sizeof(memmap_chunk) * base_chunks); |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
392 |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
393 if (ram_start >= rom_end) { |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
394 info->map[0].end = rom_end < 0x400000 ? nearest_pow2(rom_end) - 1 : 0xFFFFFF; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
395 if (info->map[0].end > ram_start) { |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
396 info->map[0].end = ram_start; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
397 } |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
398 //TODO: ROM mirroring |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
399 info->map[0].mask = 0xFFFFFF; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
400 info->map[0].flags = MMAP_READ; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
401 info->map[0].buffer = rom; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
402 |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
403 info->map[1].start = ram_start; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
404 info->map[1].mask = info->save_mask; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
405 info->map[1].end = ram_start + info->save_mask + 1; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
406 info->map[1].flags = MMAP_READ | MMAP_WRITE; |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
407 |
1425
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
408 if (info->save_type == RAM_FLAG_ODD) { |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
409 info->map[1].flags |= MMAP_ONLY_ODD; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
410 } else if (info->save_type == RAM_FLAG_EVEN) { |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
411 info->map[1].flags |= MMAP_ONLY_EVEN; |
2034
8b2ef428d1aa
Implement TMSS ROM and cart mapping register
Michael Pavone <pavone@retrodev.com>
parents:
2027
diff
changeset
|
412 } else { |
8b2ef428d1aa
Implement TMSS ROM and cart mapping register
Michael Pavone <pavone@retrodev.com>
parents:
2027
diff
changeset
|
413 info->map[1].flags |= MMAP_CODE; |
1425
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
414 } |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
415 info->map[1].buffer = info->save_buffer; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
416 } else { |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
417 //Assume the standard Sega mapper |
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:
1847
diff
changeset
|
418 info->mapper_type = MAPPER_SEGA_SRAM; |
1425
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
419 info->map[0].end = 0x200000; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
420 info->map[0].mask = 0xFFFFFF; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
421 info->map[0].flags = MMAP_READ; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
422 info->map[0].buffer = rom; |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
423 |
1425
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
424 info->map[1].start = 0x200000; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
425 info->map[1].end = 0x400000; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
426 info->map[1].mask = 0x1FFFFF; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
427 info->map[1].flags = MMAP_READ | MMAP_PTR_IDX | MMAP_FUNC_NULL; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
428 info->map[1].ptr_index = info->mapper_start_index = 0; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
429 info->map[1].read_16 = (read_16_fun)read_sram_w;//these will only be called when mem_pointers[2] == NULL |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
430 info->map[1].read_8 = (read_8_fun)read_sram_b; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
431 info->map[1].write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
432 info->map[1].write_8 = (write_8_fun)write_sram_area_b; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
433 info->map[1].buffer = rom + 0x200000; |
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:
2034
diff
changeset
|
434 |
1916
6ece1e2c7a15
Make sure fallback memory region is always last
Michael Pavone <pavone@retrodev.com>
parents:
1898
diff
changeset
|
435 //Last entry in the base map is a catch all one that needs to be |
6ece1e2c7a15
Make sure fallback memory region is always last
Michael Pavone <pavone@retrodev.com>
parents:
1898
diff
changeset
|
436 //after all the other entries |
6ece1e2c7a15
Make sure fallback memory region is always last
Michael Pavone <pavone@retrodev.com>
parents:
1898
diff
changeset
|
437 memmap_chunk *unused = info->map + info->map_chunks - 2; |
1425
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
438 memmap_chunk *last = info->map + info->map_chunks - 1; |
1916
6ece1e2c7a15
Make sure fallback memory region is always last
Michael Pavone <pavone@retrodev.com>
parents:
1898
diff
changeset
|
439 *last = *unused; |
6ece1e2c7a15
Make sure fallback memory region is always last
Michael Pavone <pavone@retrodev.com>
parents:
1898
diff
changeset
|
440 last = unused; |
1425
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
441 memset(last, 0, sizeof(memmap_chunk)); |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
442 last->start = 0xA13000; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
443 last->end = 0xA13100; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
444 last->mask = 0xFF; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
445 last->write_16 = (write_16_fun)write_bank_reg_w; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
446 last->write_8 = (write_8_fun)write_bank_reg_b; |
766
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
447 } |
1425
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
448 return; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
449 } |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
450 } |
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:
2034
diff
changeset
|
451 |
1425
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
452 info->map_chunks = base_chunks + 1; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
453 info->map = malloc(sizeof(memmap_chunk) * info->map_chunks); |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
454 memset(info->map, 0, sizeof(memmap_chunk)); |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
455 memcpy(info->map+1, base_map, sizeof(memmap_chunk) * base_chunks); |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
456 |
1425
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
457 info->map[0].end = rom_end > 0x400000 ? rom_end : 0x400000; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
458 info->map[0].mask = rom_end < 0x400000 ? nearest_pow2(rom_end) - 1 : 0xFFFFFF; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
459 info->map[0].flags = MMAP_READ; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
460 info->map[0].buffer = rom; |
49d3c572b3f2
Ignore SRAM in cart header if it is in the upper 8MB of the address space
Michael Pavone <pavone@retrodev.com>
parents:
1416
diff
changeset
|
461 info->save_type = SAVE_NONE; |
766
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
462 } |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
463 |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
464 rom_info configure_rom_heuristics(uint8_t *rom, uint32_t rom_size, memmap_chunk const *base_map, uint32_t base_chunks) |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
465 { |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
466 rom_info info; |
1444
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
467 info.mapper_type = MAPPER_NONE; |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
468 info.name = get_header_name(rom); |
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
|
469 info.regions = get_header_regions(rom); |
1416
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
470 info.is_save_lock_on = 0; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
471 info.rom = rom; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
472 info.rom_size = rom_size; |
766
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
473 add_memmap_header(&info, rom, rom_size, base_map, base_chunks); |
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
|
474 info.port1_override = info.port2_override = info.ext_override = info.mouse_mode = NULL; |
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
|
475 return info; |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
476 } |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
477 |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
478 typedef struct { |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
479 rom_info *info; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
480 uint8_t *rom; |
1016
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
481 uint8_t *lock_on; |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
482 tern_node *root; |
1411
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
483 tern_node *rom_db; |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
484 uint32_t rom_size; |
1016
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
485 uint32_t lock_on_size; |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
486 int index; |
769
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
487 int num_els; |
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:
775
diff
changeset
|
488 uint16_t ptr_index; |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
489 } map_iter_state; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
490 |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
491 void eeprom_read_fun(char *key, tern_val val, uint8_t valtype, void *data) |
769
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
492 { |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
493 int bit = atoi(key); |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
494 if (bit < 0 || bit > 15) { |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
495 fprintf(stderr, "bit %s is out of range", key); |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
496 return; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
497 } |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
498 if (valtype != TVAL_PTR) { |
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
499 fprintf(stderr, "bit %s has a non-scalar value", key); |
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
500 return; |
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
501 } |
769
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
502 char *pin = val.ptrval; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
503 if (strcmp(pin, "sda")) { |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
504 fprintf(stderr, "bit %s is connected to unrecognized read pin %s", key, pin); |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
505 return; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
506 } |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
507 eeprom_map *map = data; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
508 map->sda_read_bit = bit; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
509 } |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
510 |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
511 void eeprom_write_fun(char *key, tern_val val, uint8_t valtype, void *data) |
769
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
512 { |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
513 int bit = atoi(key); |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
514 if (bit < 0 || bit > 15) { |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
515 fprintf(stderr, "bit %s is out of range", key); |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
516 return; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
517 } |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
518 if (valtype != TVAL_PTR) { |
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
519 fprintf(stderr, "bit %s has a non-scalar value", key); |
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
520 return; |
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
521 } |
769
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
522 char *pin = val.ptrval; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
523 eeprom_map *map = data; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
524 if (!strcmp(pin, "sda")) { |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
525 map->sda_write_mask = 1 << bit; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
526 return; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
527 } |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
528 if (!strcmp(pin, "scl")) { |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
529 map->scl_mask = 1 << bit; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
530 return; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
531 } |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
532 fprintf(stderr, "bit %s is connected to unrecognized write pin %s", key, pin); |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
533 } |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
534 |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
535 void process_sram_def(char *key, map_iter_state *state) |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
536 { |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
537 if (!state->info->save_size) { |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
538 char * size = tern_find_path(state->root, "SRAM\0size\0", TVAL_PTR).ptrval; |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
539 if (!size) { |
792
724bbec47f86
Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents:
781
diff
changeset
|
540 fatal_error("ROM DB map entry %d with address %s has device type SRAM, but the SRAM size is not defined\n", state->index, key); |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
541 } |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
542 state->info->save_size = atoi(size); |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
543 if (!state->info->save_size) { |
792
724bbec47f86
Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents:
781
diff
changeset
|
544 fatal_error("SRAM size %s is invalid\n", size); |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
545 } |
775
22728a57d7f3
Populate save mask when SRAM is defined in ROM DB rather than cart header
Michael Pavone <pavone@retrodev.com>
parents:
774
diff
changeset
|
546 state->info->save_mask = nearest_pow2(state->info->save_size)-1; |
1847
882746581f17
Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents:
1822
diff
changeset
|
547 state->info->save_buffer = calloc(state->info->save_size, 1); |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
548 char *bus = tern_find_path(state->root, "SRAM\0bus\0", TVAL_PTR).ptrval; |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
549 if (!strcmp(bus, "odd")) { |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
550 state->info->save_type = RAM_FLAG_ODD; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
551 } else if(!strcmp(bus, "even")) { |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
552 state->info->save_type = RAM_FLAG_EVEN; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
553 } else { |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
554 state->info->save_type = RAM_FLAG_BOTH; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
555 } |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
556 } |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
557 } |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
558 |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
559 void process_eeprom_def(char * key, map_iter_state *state) |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
560 { |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
561 if (!state->info->save_size) { |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
562 char * size = tern_find_path(state->root, "EEPROM\0size\0", TVAL_PTR).ptrval; |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
563 if (!size) { |
792
724bbec47f86
Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents:
781
diff
changeset
|
564 fatal_error("ROM DB map entry %d with address %s has device type EEPROM, but the EEPROM size is not defined\n", state->index, key); |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
565 } |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
566 state->info->save_size = atoi(size); |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
567 if (!state->info->save_size) { |
792
724bbec47f86
Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents:
781
diff
changeset
|
568 fatal_error("EEPROM size %s is invalid\n", size); |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
569 } |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
570 char *etype = tern_find_path(state->root, "EEPROM\0type\0", TVAL_PTR).ptrval; |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
571 if (!etype) { |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
572 etype = "i2c"; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
573 } |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
574 if (!strcmp(etype, "i2c")) { |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
575 state->info->save_type = SAVE_I2C; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
576 } else { |
792
724bbec47f86
Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents:
781
diff
changeset
|
577 fatal_error("EEPROM type %s is invalid\n", etype); |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
578 } |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
579 state->info->save_buffer = malloc(state->info->save_size); |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
580 memset(state->info->save_buffer, 0xFF, state->info->save_size); |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
581 state->info->eeprom_map = malloc(sizeof(eeprom_map) * state->num_els); |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
582 memset(state->info->eeprom_map, 0, sizeof(eeprom_map) * state->num_els); |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
583 } |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
584 } |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
585 |
1395
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
586 void process_nor_def(char *key, map_iter_state *state) |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
587 { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
588 if (!state->info->save_size) { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
589 char *size = tern_find_path(state->root, "NOR\0size\0", TVAL_PTR).ptrval; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
590 if (!size) { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
591 fatal_error("ROM DB map entry %d with address %s has device type NOR, but the NOR size is not defined\n", state->index, key); |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
592 } |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
593 state->info->save_size = atoi(size); |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
594 if (!state->info->save_size) { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
595 fatal_error("NOR size %s is invalid\n", size); |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
596 } |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
597 char *page_size = tern_find_path(state->root, "NOR\0page_size\0", TVAL_PTR).ptrval; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
598 if (!page_size) { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
599 fatal_error("ROM DB map entry %d with address %s has device type NOR, but the NOR page size is not defined\n", state->index, key); |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
600 } |
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:
1513
diff
changeset
|
601 uint32_t save_page_size = atoi(page_size); |
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:
1513
diff
changeset
|
602 if (!save_page_size) { |
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:
1513
diff
changeset
|
603 fatal_error("NOR page size %s is invalid\n", page_size); |
1395
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
604 } |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
605 char *product_id = tern_find_path(state->root, "NOR\0product_id\0", TVAL_PTR).ptrval; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
606 if (!product_id) { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
607 fatal_error("ROM DB map entry %d with address %s has device type NOR, but the NOR product ID is not defined\n", state->index, key); |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
608 } |
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:
1513
diff
changeset
|
609 uint16_t save_product_id = strtol(product_id, NULL, 16); |
1395
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
610 char *bus = tern_find_path(state->root, "NOR\0bus\0", TVAL_PTR).ptrval; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
611 if (!strcmp(bus, "odd")) { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
612 state->info->save_bus = RAM_FLAG_ODD; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
613 } else if(!strcmp(bus, "even")) { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
614 state->info->save_bus = RAM_FLAG_EVEN; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
615 } else { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
616 state->info->save_bus = RAM_FLAG_BOTH; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
617 } |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
618 state->info->save_type = SAVE_NOR; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
619 state->info->save_buffer = malloc(state->info->save_size); |
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:
1513
diff
changeset
|
620 char *init = tern_find_path_default(state->root, "NOR\0init\0", (tern_val){.ptrval="FF"}, TVAL_PTR).ptrval; |
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:
1513
diff
changeset
|
621 if (!strcmp(init, "ROM")) { |
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:
1513
diff
changeset
|
622 uint32_t init_size = state->rom_size > state->info->save_size ? state->info->save_size : state->rom_size; |
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:
1513
diff
changeset
|
623 memcpy(state->info->save_buffer, state->rom, init_size); |
1847
882746581f17
Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents:
1822
diff
changeset
|
624 if (init_size < state->info->save_size) { |
882746581f17
Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents:
1822
diff
changeset
|
625 memset(state->info->save_buffer + init_size, 0xFF, state->info->save_size - init_size); |
882746581f17
Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents:
1822
diff
changeset
|
626 } |
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:
1513
diff
changeset
|
627 if (state->info->save_bus == RAM_FLAG_BOTH) { |
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:
1513
diff
changeset
|
628 byteswap_rom(state->info->save_size, (uint16_t *)state->info->save_buffer); |
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:
1513
diff
changeset
|
629 } |
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:
1513
diff
changeset
|
630 } else { |
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:
1513
diff
changeset
|
631 memset(state->info->save_buffer, strtol(init, NULL, 16), state->info->save_size); |
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:
1513
diff
changeset
|
632 } |
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:
1513
diff
changeset
|
633 state->info->nor = calloc(1, sizeof(nor_state)); |
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:
1513
diff
changeset
|
634 nor_flash_init(state->info->nor, state->info->save_buffer, state->info->save_size, save_page_size, save_product_id, state->info->save_bus); |
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:
1513
diff
changeset
|
635 char *cmd1 = tern_find_path(state->root, "NOR\0cmd_address1\0", TVAL_PTR).ptrval; |
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:
1513
diff
changeset
|
636 if (cmd1) { |
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:
1513
diff
changeset
|
637 state->info->nor->cmd_address1 = strtol(cmd1, NULL, 16); |
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:
1513
diff
changeset
|
638 } |
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:
1513
diff
changeset
|
639 char *cmd2 = tern_find_path(state->root, "NOR\0cmd_address2\0", TVAL_PTR).ptrval; |
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:
1513
diff
changeset
|
640 if (cmd2) { |
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:
1513
diff
changeset
|
641 state->info->nor->cmd_address2 = strtol(cmd2, NULL, 16); |
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:
1513
diff
changeset
|
642 } |
1395
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
643 } |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
644 } |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
645 |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
646 void add_eeprom_map(tern_node *node, uint32_t start, uint32_t end, map_iter_state *state) |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
647 { |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
648 eeprom_map *eep_map = state->info->eeprom_map + state->info->num_eeprom; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
649 eep_map->start = start; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
650 eep_map->end = end; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
651 eep_map->sda_read_bit = 0xFF; |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
652 tern_node * bits_read = tern_find_node(node, "bits_read"); |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
653 if (bits_read) { |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
654 tern_foreach(bits_read, eeprom_read_fun, eep_map); |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
655 } |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
656 tern_node * bits_write = tern_find_node(node, "bits_write"); |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
657 if (bits_write) { |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
658 tern_foreach(bits_write, eeprom_write_fun, eep_map); |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
659 } |
1792
52a47611a273
Avoid printing a bunch of junk to stdout when GDB remote debugging is enabled as this can confuse GDB
Michael Pavone <pavone@retrodev.com>
parents:
1610
diff
changeset
|
660 debug_message("EEPROM address %X: sda read: %X, sda write: %X, scl: %X\n", start, eep_map->sda_read_bit, eep_map->sda_write_mask, eep_map->scl_mask); |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
661 state->info->num_eeprom++; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
662 } |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
663 |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
664 void map_iter_fun(char *key, tern_val val, uint8_t valtype, void *data) |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
665 { |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
666 map_iter_state *state = data; |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
667 if (valtype != TVAL_NODE) { |
792
724bbec47f86
Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents:
781
diff
changeset
|
668 fatal_error("ROM DB map entry %d with address %s is not a node\n", state->index, key); |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
669 } |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
670 tern_node *node = val.ptrval; |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
671 uint32_t start = strtol(key, NULL, 16); |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
672 uint32_t end = strtol(tern_find_ptr_default(node, "last", "0"), NULL, 16); |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
673 if (!end || end < start) { |
792
724bbec47f86
Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents:
781
diff
changeset
|
674 fatal_error("'last' value is missing or invalid for ROM DB map entry %d with address %s\n", state->index, key); |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
675 } |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
676 char * dtype = tern_find_ptr_default(node, "device", "ROM"); |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
677 uint32_t offset = strtol(tern_find_ptr_default(node, "offset", "0"), NULL, 16); |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
678 memmap_chunk *map = state->info->map + state->index; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
679 map->start = start; |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
680 map->end = end + 1; |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
681 if (!strcmp(dtype, "ROM")) { |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
682 map->buffer = state->rom + offset; |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
683 map->mask = calc_mask(state->rom_size - offset, start, end); |
1470
1e3e0205640f
Add support for writeable ROM and an entry for Game no Kanzume Otokuyou using that support as it expects the cart area to be writable
Michael Pavone <pavone@retrodev.com>
parents:
1444
diff
changeset
|
684 if (strcmp(tern_find_ptr_default(node, "writeable", "no"), "yes")) { |
1e3e0205640f
Add support for writeable ROM and an entry for Game no Kanzume Otokuyou using that support as it expects the cart area to be writable
Michael Pavone <pavone@retrodev.com>
parents:
1444
diff
changeset
|
685 map->flags = MMAP_READ; |
1e3e0205640f
Add support for writeable ROM and an entry for Game no Kanzume Otokuyou using that support as it expects the cart area to be writable
Michael Pavone <pavone@retrodev.com>
parents:
1444
diff
changeset
|
686 } else { |
1e3e0205640f
Add support for writeable ROM and an entry for Game no Kanzume Otokuyou using that support as it expects the cart area to be writable
Michael Pavone <pavone@retrodev.com>
parents:
1444
diff
changeset
|
687 map->flags = MMAP_READ | MMAP_WRITE | MMAP_CODE; |
1e3e0205640f
Add support for writeable ROM and an entry for Game no Kanzume Otokuyou using that support as it expects the cart area to be writable
Michael Pavone <pavone@retrodev.com>
parents:
1444
diff
changeset
|
688 } |
1016
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
689 } else if (!strcmp(dtype, "LOCK-ON")) { |
1411
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
690 rom_info lock_info; |
1408
71b6e2298e4a
Better handling of S&K lock on support. Pre-combined ROMs and large (>2MB) S&K hacks should now work. Implemented correct behavior from locking on a 4MB cart
Michael Pavone <pavone@retrodev.com>
parents:
1395
diff
changeset
|
691 if (state->lock_on) { |
1411
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
692 lock_info = configure_rom(state->rom_db, state->lock_on, state->lock_on_size, NULL, 0, NULL, 0); |
1408
71b6e2298e4a
Better handling of S&K lock on support. Pre-combined ROMs and large (>2MB) S&K hacks should now work. Implemented correct behavior from locking on a 4MB cart
Michael Pavone <pavone@retrodev.com>
parents:
1395
diff
changeset
|
693 } else if (state->rom_size > start) { |
71b6e2298e4a
Better handling of S&K lock on support. Pre-combined ROMs and large (>2MB) S&K hacks should now work. Implemented correct behavior from locking on a 4MB cart
Michael Pavone <pavone@retrodev.com>
parents:
1395
diff
changeset
|
694 //This is a bit of a hack to deal with pre-combined S3&K/S2&K ROMs and S&K ROM hacks |
1411
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
695 lock_info = configure_rom(state->rom_db, state->rom + start, state->rom_size - start, NULL, 0, NULL, 0); |
1408
71b6e2298e4a
Better handling of S&K lock on support. Pre-combined ROMs and large (>2MB) S&K hacks should now work. Implemented correct behavior from locking on a 4MB cart
Michael Pavone <pavone@retrodev.com>
parents:
1395
diff
changeset
|
696 } else { |
1016
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
697 //skip this entry if there is no lock on cartridge attached |
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
698 return; |
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
699 } |
1411
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
700 uint32_t matching_chunks = 0; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
701 for (int i = 0; i < lock_info.map_chunks; i++) |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
702 { |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
703 if (lock_info.map[i].start < 0xC00000 && lock_info.map[i].end > 0x200000) { |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
704 matching_chunks++; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
705 } |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
706 } |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
707 if (matching_chunks == 0) { |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
708 //Nothing mapped in the relevant range for the lock-on cart, ignore this mapping |
1593
24508cb54f87
Fix a number of other memory errors (mostly leaks again) identified by valgrind
Michael Pavone <pavone@retrodev.com>
parents:
1592
diff
changeset
|
709 free_rom_info(&lock_info); |
1411
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
710 return; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
711 } else if (matching_chunks > 1) { |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
712 state->info->map_chunks += matching_chunks - 1; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
713 state->info->map = realloc(state->info->map, sizeof(memmap_chunk) * state->info->map_chunks); |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
714 memset(state->info->map + state->info->map_chunks - (matching_chunks - 1), 0, sizeof(memmap_chunk) * (matching_chunks - 1)); |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
715 map = state->info->map + state->index; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
716 } |
1413
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
717 for (int i = 0; i < lock_info.map_chunks; i++) |
1411
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
718 { |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
719 if (lock_info.map[i].start >= 0xC00000 || lock_info.map[i].end <= 0x200000) { |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
720 continue; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
721 } |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
722 *map = lock_info.map[i]; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
723 if (map->start < 0x200000) { |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
724 if (map->buffer) { |
1952
42c12d141f6e
Remove usage of GCC pointer arithmetic on void * extension
Michael Pavone <pavone@retrodev.com>
parents:
1916
diff
changeset
|
725 uint8_t *buf = map->buffer; |
42c12d141f6e
Remove usage of GCC pointer arithmetic on void * extension
Michael Pavone <pavone@retrodev.com>
parents:
1916
diff
changeset
|
726 buf += (0x200000 - map->start) & ((map->flags & MMAP_AUX_BUFF) ? map->aux_mask : map->mask); |
42c12d141f6e
Remove usage of GCC pointer arithmetic on void * extension
Michael Pavone <pavone@retrodev.com>
parents:
1916
diff
changeset
|
727 map->buffer = buf; |
1411
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
728 } |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
729 map->start = 0x200000; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
730 } |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
731 map++; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
732 state->index++; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
733 } |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
734 if (state->info->save_type == SAVE_NONE && lock_info.save_type != SAVE_NONE) { |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
735 //main cart has no save device, but lock-on cart does |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
736 if (state->lock_on) { |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
737 state->info->is_save_lock_on = 1; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
738 } |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
739 state->info->save_buffer = lock_info.save_buffer; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
740 state->info->save_size = lock_info.save_size; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
741 state->info->save_mask = lock_info.save_mask; |
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:
1513
diff
changeset
|
742 state->info->nor = lock_info.nor; |
1411
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
743 state->info->save_type = lock_info.save_type; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
744 state->info->save_bus = lock_info.save_bus; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
745 lock_info.save_buffer = NULL; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
746 lock_info.save_type = SAVE_NONE; |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
747 } |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
748 free_rom_info(&lock_info); |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
749 return; |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
750 } else if (!strcmp(dtype, "EEPROM")) { |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
751 process_eeprom_def(key, state); |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
752 add_eeprom_map(node, start, end, state); |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
753 |
769
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
754 map->write_16 = write_eeprom_i2c_w; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
755 map->write_8 = write_eeprom_i2c_b; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
756 map->read_16 = read_eeprom_i2c_w; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
757 map->read_8 = read_eeprom_i2c_b; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
758 map->mask = 0xFFFFFF; |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
759 } else if (!strcmp(dtype, "SRAM")) { |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
760 process_sram_def(key, state); |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
761 map->buffer = state->info->save_buffer + offset; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
762 map->flags = MMAP_READ | MMAP_WRITE; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
763 if (state->info->save_type == RAM_FLAG_ODD) { |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
764 map->flags |= MMAP_ONLY_ODD; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
765 } else if(state->info->save_type == RAM_FLAG_EVEN) { |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
766 map->flags |= MMAP_ONLY_EVEN; |
2034
8b2ef428d1aa
Implement TMSS ROM and cart mapping register
Michael Pavone <pavone@retrodev.com>
parents:
2027
diff
changeset
|
767 } else { |
8b2ef428d1aa
Implement TMSS ROM and cart mapping register
Michael Pavone <pavone@retrodev.com>
parents:
2027
diff
changeset
|
768 map->flags |= MMAP_CODE; |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
769 } |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
770 map->mask = calc_mask(state->info->save_size, start, end); |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
771 } else if (!strcmp(dtype, "RAM")) { |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
772 uint32_t size = strtol(tern_find_ptr_default(node, "size", "0"), NULL, 16); |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
773 if (!size || size > map->end - map->start) { |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
774 size = map->end - map->start; |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
775 } |
1847
882746581f17
Make sure on-cart memories are fully initialized in all cases
Michael Pavone <pavone@retrodev.com>
parents:
1822
diff
changeset
|
776 map->buffer = calloc(size, 1); |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
777 map->mask = calc_mask(size, start, end); |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
778 map->flags = MMAP_READ | MMAP_WRITE; |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
779 char *bus = tern_find_ptr_default(node, "bus", "both"); |
1394
ae3b1721b226
Small fix to handling of the "bus" option in a RAM type ROM DB memory map
Michael Pavone <pavone@retrodev.com>
parents:
1326
diff
changeset
|
780 if (!strcmp(bus, "odd")) { |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
781 map->flags |= MMAP_ONLY_ODD; |
1394
ae3b1721b226
Small fix to handling of the "bus" option in a RAM type ROM DB memory map
Michael Pavone <pavone@retrodev.com>
parents:
1326
diff
changeset
|
782 } else if (!strcmp(bus, "even")) { |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
783 map->flags |= MMAP_ONLY_EVEN; |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
784 } else { |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
785 map->flags |= MMAP_CODE; |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
786 } |
1395
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
787 } else if (!strcmp(dtype, "NOR")) { |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
788 process_nor_def(key, state); |
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:
2034
diff
changeset
|
789 |
1395
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
790 map->write_16 = nor_flash_write_w; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
791 map->write_8 = nor_flash_write_b; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
792 map->read_16 = nor_flash_read_w; |
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
793 map->read_8 = nor_flash_read_b; |
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:
1513
diff
changeset
|
794 if (state->info->save_bus == RAM_FLAG_BOTH) { |
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:
1513
diff
changeset
|
795 map->flags |= MMAP_READ_CODE | MMAP_CODE; |
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:
1513
diff
changeset
|
796 map->buffer = state->info->save_buffer; |
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:
1513
diff
changeset
|
797 } |
1395
efa7225e0f07
Initial work to support parallel NOR flash and the Magistr 16
Michael Pavone <pavone@retrodev.com>
parents:
1394
diff
changeset
|
798 map->mask = 0xFFFFFF; |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
799 } else if (!strcmp(dtype, "Sega mapper")) { |
1444
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
800 state->info->mapper_type = MAPPER_SEGA; |
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:
775
diff
changeset
|
801 state->info->mapper_start_index = state->ptr_index++; |
1413
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
802 char *variant = tern_find_ptr_default(node, "variant", "full"); |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
803 char *save_device = tern_find_path(node, "save\0device\0", TVAL_PTR).ptrval; |
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:
775
diff
changeset
|
804 if (save_device && !strcmp(save_device, "EEPROM")) { |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
805 process_eeprom_def(key, state); |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
806 add_eeprom_map(node, start & map->mask, end & map->mask, state); |
1409
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
807 } else if (save_device && !strcmp(save_device, "SRAM")) { |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
808 process_sram_def(key, state); |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
809 } else if(has_ram_header(state->rom, state->rom_size)) { |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
810 //no save definition in ROM DB entry, but there is an SRAM header |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
811 //this support is mostly to handle homebrew that uses the SSF2 product ID |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
812 //in an attempt to signal desire for the full Sega/SSF2 mapper, but also uses SRAM unlike SSF2 |
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
813 read_ram_header(state->info, state->rom); |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
814 } |
1413
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
815 if (!strcmp(variant, "save-only")) { |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
816 state->info->map_chunks+=1; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
817 state->info->map = realloc(state->info->map, sizeof(memmap_chunk) * state->info->map_chunks); |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
818 memset(state->info->map + state->info->map_chunks - 1, 0, sizeof(memmap_chunk) * 1); |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
819 map = state->info->map + state->index; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
820 map->start = start; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
821 map->end = end; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
822 offset &= nearest_pow2(state->rom_size) - 1; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
823 map->buffer = state->rom + offset; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
824 map->mask = calc_mask(state->rom_size - offset, start, end); |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
825 map->ptr_index = state->info->mapper_start_index; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
826 map->flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE | MMAP_FUNC_NULL; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
827 if (save_device && !strcmp(save_device, "EEPROM")) { |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
828 map->write_16 = write_eeprom_i2c_w; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
829 map->write_8 = write_eeprom_i2c_b; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
830 map->read_16 = read_eeprom_i2c_w; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
831 map->read_8 = read_eeprom_i2c_b; |
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:
775
diff
changeset
|
832 } else { |
1413
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
833 map->read_16 = (read_16_fun)read_sram_w;//these will only be called when mem_pointers[ptr_idx] == NULL |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
834 map->read_8 = (read_8_fun)read_sram_b; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
835 map->write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
836 map->write_8 = (write_8_fun)write_sram_area_b; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
837 } |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
838 state->index++; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
839 map++; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
840 } else { |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
841 state->info->map_chunks+=7; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
842 state->info->map = realloc(state->info->map, sizeof(memmap_chunk) * state->info->map_chunks); |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
843 memset(state->info->map + state->info->map_chunks - 7, 0, sizeof(memmap_chunk) * 7); |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
844 map = state->info->map + state->index; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
845 for (int i = 0; i < 7; i++, state->index++, map++) |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
846 { |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
847 map->start = start + i * 0x80000; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
848 map->end = start + (i + 1) * 0x80000; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
849 map->mask = 0x7FFFF; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
850 map->buffer = state->rom + offset + i * 0x80000; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
851 map->ptr_index = state->ptr_index++; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
852 if (i < 3) { |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
853 map->flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE; |
1409
b0e0bb20fc41
Fix and enhance Sega/SSF2 mapper support to handle homebrew and hacks that use it in combination with SRAM
Michael Pavone <pavone@retrodev.com>
parents:
1408
diff
changeset
|
854 } else { |
1413
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
855 map->flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE | MMAP_FUNC_NULL; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
856 if (save_device && !strcmp(save_device, "EEPROM")) { |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
857 map->write_16 = write_eeprom_i2c_w; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
858 map->write_8 = write_eeprom_i2c_b; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
859 map->read_16 = read_eeprom_i2c_w; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
860 map->read_8 = read_eeprom_i2c_b; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
861 } else { |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
862 map->read_16 = (read_16_fun)read_sram_w;//these will only be called when mem_pointers[2] == NULL |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
863 map->read_8 = (read_8_fun)read_sram_b; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
864 map->write_16 = (write_16_fun)write_sram_area_w;//these will be called all writes to the area |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
865 map->write_8 = (write_8_fun)write_sram_area_b; |
3d7f668dce3d
Sonic 3 & Knuckles lock-on is now 100% functional with working saves
Michael Pavone <pavone@retrodev.com>
parents:
1411
diff
changeset
|
866 } |
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:
775
diff
changeset
|
867 } |
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:
775
diff
changeset
|
868 } |
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:
775
diff
changeset
|
869 } |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
870 map->start = 0xA13000; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
871 map->end = 0xA13100; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
872 map->mask = 0xFF; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
873 map->write_16 = (write_16_fun)write_bank_reg_w; |
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
874 map->write_8 = (write_8_fun)write_bank_reg_b; |
1822
8500bd987dda
Make libretro target successfully build for Windows and possibly Mac
Mike Pavone <pavone@retrodev.com>
parents:
1810
diff
changeset
|
875 #ifndef IS_LIB |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
876 } else if (!strcmp(dtype, "MENU")) { |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
877 //fake hardware for supporting menu |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
878 map->buffer = NULL; |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
879 map->mask = 0xFF; |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
880 map->write_16 = menu_write_w; |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
881 map->read_16 = menu_read_w; |
1822
8500bd987dda
Make libretro target successfully build for Windows and possibly Mac
Mike Pavone <pavone@retrodev.com>
parents:
1810
diff
changeset
|
882 #endif |
1305
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
883 } else if (!strcmp(dtype, "fixed")) { |
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
884 uint16_t *value = malloc(2); |
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
885 map->buffer = value; |
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
886 map->mask = 0; |
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
887 map->flags = MMAP_READ; |
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
888 *value = strtol(tern_find_ptr_default(node, "value", "0"), NULL, 16); |
1416
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
889 } else if (!strcmp(dtype, "multi-game")) { |
1444
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
890 state->info->mapper_type = MAPPER_MULTI_GAME; |
1416
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
891 state->info->mapper_start_index = state->ptr_index++; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
892 //make a mirror copy of the ROM so we can efficiently support arbitrary start offsets |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
893 state->rom = realloc(state->rom, state->rom_size * 2); |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
894 memcpy(state->rom + state->rom_size, state->rom, state->rom_size); |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
895 state->rom_size *= 2; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
896 //make room for an extra map entry |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
897 state->info->map_chunks+=1; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
898 state->info->map = realloc(state->info->map, sizeof(memmap_chunk) * state->info->map_chunks); |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
899 memset(state->info->map + state->info->map_chunks - 1, 0, sizeof(memmap_chunk) * 1); |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
900 map = state->info->map + state->index; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
901 map->buffer = state->rom; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
902 map->mask = calc_mask(state->rom_size, start, end); |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
903 map->flags = MMAP_READ | MMAP_PTR_IDX | MMAP_CODE; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
904 map->ptr_index = state->info->mapper_start_index; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
905 map++; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
906 state->index++; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
907 map->start = 0xA13000; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
908 map->end = 0xA13100; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
909 map->mask = 0xFF; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
910 map->write_16 = write_multi_game_w; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
911 map->write_8 = write_multi_game_b; |
1513
8f3b6a64b658
Initial work on MegaWiFi support
Michael Pavone <pavone@retrodev.com>
parents:
1470
diff
changeset
|
912 } else if (!strcmp(dtype, "megawifi")) { |
1548
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
913 if (!strcmp( |
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:
2034
diff
changeset
|
914 "on", |
1548
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
915 tern_find_path_default(config, "system\0megawifi\0", (tern_val){.ptrval="off"}, TVAL_PTR).ptrval) |
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
916 ) { |
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
917 map->write_16 = megawifi_write_w; |
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
918 map->write_8 = megawifi_write_b; |
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
919 map->read_16 = megawifi_read_w; |
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
920 map->read_8 = megawifi_read_b; |
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
921 map->mask = 0xFFFFFF; |
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
922 } else { |
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
923 warning("ROM uses MegaWiFi, but it is disabled\n"); |
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
924 return; |
94ba407a5ec1
Allow MegaWiFi support to be toggled in config file. Defaults to off due to security concerns
Michael Pavone <pavone@retrodev.com>
parents:
1519
diff
changeset
|
925 } |
1610 | 926 } else if (!strcmp(dtype, "jcart")) { |
927 state->info->mapper_type = MAPPER_JCART; | |
928 map->write_16 = jcart_write_w; | |
929 map->write_8 = jcart_write_b; | |
930 map->read_16 = jcart_read_w; | |
931 map->read_8 = jcart_read_b; | |
932 map->mask = 0xFFFFFF; | |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
933 } else { |
1016
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
934 fatal_error("Invalid device type %s for ROM DB map entry %d with address %s\n", dtype, state->index, key); |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
935 } |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
936 state->index++; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
937 } |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
938 |
1016
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
939 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) |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
940 { |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
941 uint8_t product_id[GAME_ID_LEN+1]; |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
942 uint8_t *rom = vrom; |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
943 product_id[GAME_ID_LEN] = 0; |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
944 for (int i = 0; i < GAME_ID_LEN; i++) |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
945 { |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
946 if (rom[GAME_ID_OFF + i] <= ' ') { |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
947 product_id[i] = 0; |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
948 break; |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
949 } |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
950 product_id[i] = rom[GAME_ID_OFF + i]; |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
951 |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
952 } |
1792
52a47611a273
Avoid printing a bunch of junk to stdout when GDB remote debugging is enabled as this can confuse GDB
Michael Pavone <pavone@retrodev.com>
parents:
1610
diff
changeset
|
953 debug_message("Product ID: %s\n", product_id); |
1305
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
954 uint8_t raw_hash[20]; |
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
955 sha1(vrom, rom_size, raw_hash); |
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
956 uint8_t hex_hash[41]; |
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
957 bin_to_hex(hex_hash, raw_hash, 20); |
1792
52a47611a273
Avoid printing a bunch of junk to stdout when GDB remote debugging is enabled as this can confuse GDB
Michael Pavone <pavone@retrodev.com>
parents:
1610
diff
changeset
|
958 debug_message("SHA1: %s\n", hex_hash); |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
959 tern_node * entry = tern_find_node(rom_db, hex_hash); |
1305
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
960 if (!entry) { |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
961 entry = tern_find_node(rom_db, product_id); |
1305
5ceb316c479a
Allow games to be specified in ROM DB via sha1 instead of product ID. Added a new ROM DB memory map device type fixed for emulating simple fixed value copy protection registers. Used those two features to support Ya Se Chuan Shuo via a ROM DB entry.
Michael Pavone <pavone@retrodev.com>
parents:
1287
diff
changeset
|
962 } |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
963 if (!entry) { |
1810
73a9d06413bc
Restore some newlines in debug output that got lost when fixing GDB remote debugging issue
Michael Pavone <pavone@retrodev.com>
parents:
1794
diff
changeset
|
964 debug_message("Not found in ROM DB, examining header\n\n"); |
1259
23c94f5266d1
Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents:
1228
diff
changeset
|
965 if (xband_detect(rom, rom_size)) { |
23c94f5266d1
Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents:
1228
diff
changeset
|
966 return xband_configure_rom(rom_db, rom, rom_size, lock_on, lock_on_size, base_map, base_chunks); |
23c94f5266d1
Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents:
1228
diff
changeset
|
967 } |
23c94f5266d1
Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents:
1228
diff
changeset
|
968 if (realtec_detect(rom, rom_size)) { |
23c94f5266d1
Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents:
1228
diff
changeset
|
969 return realtec_configure_rom(rom, rom_size, base_map, base_chunks); |
23c94f5266d1
Support for the Realtec mapper. Needs testing with games besides The Earth Defend
Michael Pavone <pavone@retrodev.com>
parents:
1228
diff
changeset
|
970 } |
766
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
971 return configure_rom_heuristics(rom, rom_size, base_map, base_chunks); |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
972 } |
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
973 rom_info info; |
1444
14a2834d010c
Save/restore mapper state in native save states
Michael Pavone <pavone@retrodev.com>
parents:
1425
diff
changeset
|
974 info.mapper_type = MAPPER_NONE; |
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
|
975 info.name = tern_find_ptr(entry, "name"); |
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
|
976 if (info.name) { |
1810
73a9d06413bc
Restore some newlines in debug output that got lost when fixing GDB remote debugging issue
Michael Pavone <pavone@retrodev.com>
parents:
1794
diff
changeset
|
977 debug_message("Found name: %s\n\n", info.name); |
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
|
978 info.name = strdup(info.name); |
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
|
979 } else { |
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
|
980 info.name = get_header_name(rom); |
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
|
981 } |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
982 |
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
|
983 char *dbreg = tern_find_ptr(entry, "regions"); |
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
|
984 info.regions = 0; |
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
|
985 if (dbreg) { |
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
|
986 while (*dbreg != 0) |
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
|
987 { |
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
|
988 info.regions |= translate_region_char(*(dbreg++)); |
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
|
989 } |
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
|
990 } |
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
|
991 if (!info.regions) { |
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
|
992 info.regions = get_header_regions(rom); |
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
|
993 } |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
994 |
1416
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
995 info.is_save_lock_on = 0; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
996 info.rom = vrom; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
997 info.rom_size = rom_size; |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
998 tern_node *map = tern_find_node(entry, "map"); |
766
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
999 if (map) { |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
1000 info.save_type = SAVE_NONE; |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
1001 info.map_chunks = tern_count(map); |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
1002 if (info.map_chunks) { |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
1003 info.map_chunks += base_chunks; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
1004 info.save_buffer = NULL; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
1005 info.save_size = 0; |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
1006 info.map = malloc(sizeof(memmap_chunk) * info.map_chunks); |
769
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
1007 info.eeprom_map = NULL; |
4638b88bc72d
Initial work on I2C EEPROM implementation
Michael Pavone <pavone@retrodev.com>
parents:
768
diff
changeset
|
1008 info.num_eeprom = 0; |
774
41dc895e85ff
Fix map for NFL Quarterback Club 96. Fix default EEPROM value. Initial work for supporing Sega mapper in ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
772
diff
changeset
|
1009 memset(info.map, 0, sizeof(memmap_chunk) * info.map_chunks); |
1016
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
1010 map_iter_state state = { |
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:
2034
diff
changeset
|
1011 .info = &info, |
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:
2034
diff
changeset
|
1012 .rom = rom, |
1016
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
1013 .lock_on = lock_on, |
1411
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
1014 .root = entry, |
780fbe0b97be
WIP support for handling S3 save RAM when locked on
Michael Pavone <pavone@retrodev.com>
parents:
1410
diff
changeset
|
1015 .rom_db = rom_db, |
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:
2034
diff
changeset
|
1016 .rom_size = rom_size, |
1016
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
1017 .lock_on_size = lock_on_size, |
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:
2034
diff
changeset
|
1018 .index = 0, |
1016
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
1019 .num_els = info.map_chunks - base_chunks, |
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
1020 .ptr_index = 0 |
5fb64487b6e1
Very basic support for S&K lock-on. Needs more work for full functionality.
Michael Pavone <pavone@retrodev.com>
parents:
1006
diff
changeset
|
1021 }; |
768
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
1022 tern_foreach(map, map_iter_fun, &state); |
2f48a3c187c6
Add support for reading cartridge memory map from ROM database, though without EEPROM support for now
Michael Pavone <pavone@retrodev.com>
parents:
767
diff
changeset
|
1023 memcpy(info.map + state.index, base_map, sizeof(memmap_chunk) * base_chunks); |
1416
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
1024 info.rom = state.rom; |
11ac0b511cff
Support a couple of bootleg X-in-1 carts
Michael Pavone <pavone@retrodev.com>
parents:
1415
diff
changeset
|
1025 info.rom_size = state.rom_size; |
766
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
1026 } else { |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
1027 add_memmap_header(&info, rom, rom_size, base_map, base_chunks); |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
1028 } |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
1029 } else { |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
1030 add_memmap_header(&info, rom, rom_size, base_map, base_chunks); |
1b2f8280ba81
WIP changes to support reading cart memory map from ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
765
diff
changeset
|
1031 } |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
859
diff
changeset
|
1032 |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1324
diff
changeset
|
1033 tern_node *device_overrides = tern_find_node(entry, "device_overrides"); |
913
a5a51465f8b0
Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
875
diff
changeset
|
1034 if (device_overrides) { |
a5a51465f8b0
Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
875
diff
changeset
|
1035 info.port1_override = tern_find_ptr(device_overrides, "1"); |
a5a51465f8b0
Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
875
diff
changeset
|
1036 info.port2_override = tern_find_ptr(device_overrides, "2"); |
a5a51465f8b0
Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
875
diff
changeset
|
1037 info.ext_override = tern_find_ptr(device_overrides, "ext"); |
2027
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1038 if ( |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1039 info.save_type == SAVE_NONE |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1040 && ( |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1041 (info.port1_override && startswith(info.port1_override, "heartbeat_trainer.")) |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1042 || (info.port2_override && startswith(info.port2_override, "heartbeat_trainer.")) |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1043 || (info.ext_override && startswith(info.ext_override, "heartbeat_trainer.")) |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1044 ) |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1045 ) { |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1046 info.save_type = SAVE_HBPT; |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1047 info.save_size = atoi(tern_find_path_default(entry, "HeartbeatTrainer\0size\0", (tern_val){.ptrval="512"}, TVAL_PTR).ptrval); |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1048 info.save_buffer = calloc(info.save_size + 5 + 8, 1); |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1049 memset(info.save_buffer, 0xFF, info.save_size); |
0f54a898db03
Implement Heartbeat Personal Trainer peripheral and add ROM DB entry for Outback Joey
Michael Pavone <pavone@retrodev.com>
parents:
1952
diff
changeset
|
1050 } |
913
a5a51465f8b0
Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
875
diff
changeset
|
1051 } else { |
a5a51465f8b0
Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
875
diff
changeset
|
1052 info.port1_override = info.port2_override = info.ext_override = NULL; |
a5a51465f8b0
Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
875
diff
changeset
|
1053 } |
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
|
1054 info.mouse_mode = tern_find_ptr(entry, "mouse_mode"); |
913
a5a51465f8b0
Allow IO device config to be overriden by ROM DB
Michael Pavone <pavone@retrodev.com>
parents:
875
diff
changeset
|
1055 |
764
bb60259e8edf
Initial work on ROM database
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1056 return info; |
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
|
1057 } |